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  • Books  (302)
  • thema EDItEUR::P Mathematics and Science::PH Physics  (171)
  • QC1-999  (157)
  • thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology  (101)
  • QA1-939
  • KIT Scientific Publishing  (302)
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  • Books  (302)
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  • 1
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    Palm theory, mass transports and ergodic theory for group-stationary processes (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2023-12-20
    Description: This work is about random measures stationary with respect to a possibly non-transitive group action. It contains chapters on Palm Theory, the Mass-Transport Principle and Ergodic Theory for such random measures. The thesis ends with discussions of several new models in Stochastic Geometry (Cox Delauney mosaics, isometry stationary random partitions on Riemannian manifolds). These make crucial use of the previously developed techniques and objects.
    Keywords: QA1-939 ; mass-transport principle ; Random measure ; ergodic theory ; Stochastic Geometry ; Palm theory ; bic Book Industry Communication::P Mathematics & science
    Language: English
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  • 2
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    Ein Prognosemodell für die Verwitterung von Sandstein (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Sandstone is the most common kind of natural stone used for historic buildings in Central Europe. During the past century a dramatic increase in different types of damage to historic buildings, monuments and sculptures made from natural stone has been observed. The present work deals with theoretical aspects of strength loss, fracture processes and degradation during the decay processes.
    Keywords: TA1-2040 ; Ermüdung ; weathering model ; Lebensdauer ; finite element methods ; durability ; Verwitterungsmodell ; FEMsandstone ; Sandstein ; fatigue behaviour ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: German
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  • 3
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    Annual Report 2019 of the Institute for Nuclear and Energy Technologies (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-04
    Description: The annual report of the Institute for Nuclear and Energy Technologies of KIT summarizes its research activities and provides some highlights of each working group, like thermal-hydraulic analyses for fusion reactors, accident analyses for light water reactors, and research on innovative energy technologies: liquid metal technologies for energy conversion, hydrogen technologies and geothermal power plants. The institute has been engaged in education and training in energy technologies.
    Keywords: Fusion ; Kernenergie ; Flüssigmetall-Technologien ; Wasserstofftechnologien ; geothermische Energie ; Jahresbericht ; Nuclear energy ; liquid metal technologies ; hydrogen technologies ; geothermal energies ; annual report ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 4
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    Experimentelle Untersuchungen und Bemessungsansätze für faserverstärktes Mauerwerk unter Erdbebenbeanspruchungen (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Several experimental campaigns are conducted to find feasible fiber reinforcements for buildings under earthquake conditions. Therefore tensile tests for the description of the bonding behavior of the fibers, shear tests on three-stone small specimen, small static cyclic shear wall tests, bending tests of wall segments, large format dynamically loaded wall plates and five building experiments were performed under realistic time history acceleration. At the end a calculation method is proposed.
    Keywords: TA1-2040 ; masonry ; Erdbeben ; Verstärkungen ; fiber reinforced concrete ; Bemessung ; Faserverbundwerkstoffe ; earthquake ; Mauerwerk ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: German
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  • 5
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    Influence of elevated temperatures up to 100 °C on the mechanical properties of concrete (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Experiments to characterize the effects of moisture content and temperature on the mechanical properties of concrete were conducted. Based on these experiments, a new overall material model capable of predicting the mechanical behaviour of concrete subject to elevated temperatures up to 100 °C was developed. The material model estimates the time, temperature and moisture dependency of the compressive and tensile strength, creep and shrinkage of concrete.
    Keywords: TA1-2040 ; concrete ; Temperatur ; Beton ; Schwinden ; Temperature ; strength ; Kriechen ; creep ; Festigkeit ; shrinkage ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: English
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  • 6
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    System transferability of public hospital facility management between Germany and Iran (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: The subject of this PhD-thesis is the transferability of Facility Management (FM) by using the example of hospitals in Germany and Iran. The intention is to determine the status and significance of facility management in the project countries, to analyse similarities, semblances and differences in order to develop a system transferability model.
    Keywords: TA1-2040 ; health system ; facility management ; system transferability ; hospital ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: English
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  • 7
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    Analyse des regionalen atmosphärischen Wasserhaushalts unter Verwendung von COSMO-Simulationen und GPS-Beobachtungen (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-04
    Description: Verbesserte Kenntnisse über die Prozesse im regionalen Wasserhaushalt sind wesentlich für das Verständnis von Klimaänderungen sowie die Entwicklung geeigneter Klimaanpassungsstrategien. Diese Arbeit geht der Frage nach, wie sich kurzfristige Änderungen der synoptischen Bedingungen und variierende Landoberflächeneigenschaften auf den atmosphärischen Wasserhaushalt auswirken.
    Keywords: QC1-999 ; Regionale Klimamodellierung ; GPS ; COSMO ; Atmosphärischer Wasserhaushalt ; Einfluss von Wetterlagen und Topographie ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: German
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  • 8
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    A Smoothed Particle Hydrodynamics Method for the Simulation of Centralized Sloshing Experiments (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-04
    Description: The Smoothed Particle Hydrodynamics (SPH) method is proposed for studying hydrodynamic processes related to nuclear engineering problems. A problem of possible recriticality due to the sloshing motions of the molten reactor core is studied with SPH method. The accuracy of the numerical solution obtained in this study with the SPH method is significantly higher than that obtained with the SIMMER-III/IV reactor safety analysis code.
    Keywords: QC1-999 ; CFD ; Sloshing ; Recriticality ; SPH ; Free Surface Flows ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 9
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    Variance Component Estimation for Combination of Terrestrial Reference Frames (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-04
    Description: Combining Terrestrial Reference Frames (TRFs) to frames of superior quality (like the ITRF) usually involves homogenisation by an empirical weighting scheme. Different approaches on variance component estimation have been evaluated for this purpose. The statistically rigorous Helmert estimator has been compared with two other methods: the degree of freedom method and a simplified, approximate estimator. Tests have been performed, covering two elementary types of combinations.
    Keywords: QC1-999 ; Reference Systems ; VLBI ; Geodesy ; SLR ; GPS ; Least Squares Adjustment ; Variance Component Estimation ; ITRF ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: German
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  • 10
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    Perspectives on warm conveyor belts - sensitivities to ensemble configuration and the role for forecast error (2023)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-04
    Description: Warm conveyor belts (WCBs) are weather systems that substantially modulate the large-scale extratropical circulation. As they can amplify forecast errors and project them onto the Rossby wave pattern, they are of high relevance for numerical weather prediction. This work elaborates on two aspects of WCBs in the context of ensemble forecasts: (1) sensitivities of WCBs to the representation of initial condition and model uncertainties, and (2) the role of WCBs for forecast error growth.
    Keywords: Numerische Wettervorhersage ; Vorhersageunsicherheit ; Warmluftförderbänder ; Numerical weather prediction ; Forecast uncertainty ; Warm conveyor belts ; thema EDItEUR::P Mathematics and Science::PH Physics ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 11
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    Internetbasiertes Fachinformationssystem zur Plattenkinematik (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-04
    Description: In der vorliegenden Arbeit wird ein internetbasiertes Fachinformationssystem zur Detektion krustaler Deformationen in den Ostkarpaten vorgestellt, welches im Rahmen des Sonderforschungsbereichs 461 Starkbeben: von wissenschaftlichen Grundlagen zu Ingenieurmaßnahmen entwickelt wurde.Im Vordergrund stehen die Konzeption und Implementierung eines Fachinformationssystems für regionale beziehungsweise globale GPS-Projekte, die zur Aufdeckung von Plattengrenzen und Analyse von Plattenbewegungen eingerichtet wird.
    Keywords: QC1-999 ; Grundlagenforschung ; JavaBeans ; Erdbeben ; Katastrophenschutz ; JBoss 3.0 ; Enterprise ; Informationssystem ; Datenbank ; XML 1.1 ; Middleware ; Ostkarpaten ; bic Book Industry Communication::P Mathematics & science::PH Physics ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: German
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  • 12
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    Korrektur stationsabhängiger Fehler bei GNSS (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-04
    Description: GNSS based positioning techniques have become a standard tool in geodesy. Despite important developments both in receiver and processing technology, site dependent errors, like multipath effects or residual errors in the calibration values of the receiving GNSS antenna, are still a major error source in highly precise GNSS positioning. The method used in this work is based on stacking of observation residuals and therefore able to reduce these error sources effectively.
    Keywords: QC1-999 ; Mehrwegeeffekte ; StackingGNSS ; GNSS ; stationsabhängige Fehler ; multipath effects ; site dependent errors ; stacking ; bic Book Industry Communication::P Mathematics & science::PH Physics ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: German
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  • 13
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    Einfluß der Bodenmakrofauna auf Bodenmikromorphologie und Bodenchemie in zentralamazonischen Agrar- und Waldökosystemen (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-04
    Description: In den kaolinitischen Böden der Terra-firme Amazoniens wird die Bodenfruchtbarkeit stark von der Menge und Qualität der organischen Bodenbestandteile bestimmt. In den Agrar- und Waldökosystemen Zentralamazoniens sind Termiten, Ameisen und Regenwürmer die am häufigsten vorkommenden Vertreter der Bodenmakrofauna und spielen eine wichtige Rolle beim Abbau und Einbau organischer Substanz im Boden.
    Keywords: QC1-999 ; Mikromorphologie ; Amazonien ; Boden ; Bodenfauna ; Bodenchemie ; bic Book Industry Communication::P Mathematics & science::PH Physics ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: German
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  • 14
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    Abschlussbericht für die Jahre 1996 - 2007 mit Berichtsband für die Jahre 2005 - 2007 [mit CD] (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-04
    Description: Sonderforschungsbereich 461 ""Starkbeben : Von geowissenschaftlichen Grundlagen zu Ingenieurmaßnahmen"" von Juli 1996 bis Dezember 2007 an der Universität Karlsruhe. Forschungsfeld des SFB 461 waren Starkbeben mit einem regionalen Fokus auf den Vrancea-Ereignissen in Rumänien, wo sie immer wieder starke Schäden verursachten. Diese Risiken und die Gewissheit, dass Rumänien und seine Städte wieder von einem Starkbeben betroffen werden, bildeten die Motivation der Arbeit, erkennend, dass Schadensminderung mit moderner Wissenschaft und Technik sowie mit konsequenter Implementierung des Wissens möglich und aussichtsreich ist.
    Keywords: QC1-999 ; Erdbeben ; Hochbau ; Katastrophe ; Rettungsmaßnahmen ; bic Book Industry Communication::P Mathematics & science::PH Physics ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: German
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  • 15
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    Spannungsfeld Hochwasserrückhaltung und Trinkwassergewinnung : ein Leitfaden (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Viele Talauen sind sowohl für die Gewinnung von Trinkwasser aus Grundwasser, als auch für die Schaffung von Hochwasserrückhalteräumen geeignet. Im vorliegenden Leitfaden werden die Prozesse des Stofftransports von der fließenden Welle über den Retentionsraum bis zu den Entnahmebrunnen eines Wasserwerks vorgestellt. Es wird deren Einfluss auf ein höheres Risiko der Verunreinigung der Grundwasserressource durch den Eintrag von Schadstoffen aus den Retentionsräumen diskutiert.
    Keywords: TA1-2040 ; Grundwasser ; Hochwasserretentionsraum ; Trinkwassergewinnung ; Schadstofftransport ; Verunreinigungsrisiko ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: German
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  • 16
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    Arsenic in groundwater of West Bengal: Implications from a field study (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-04
    Description: This publication presents results of an interdisciplinary field study assessing the contribution of biological and inorganic processes in the mobilisation and accumulation of arsenic in groundwater of the Bengal Delta Plain, West Bengal. Investigations were focussed on the distribution of arsenic in sediments and shallow groundwater of two representative study sites. All results were combined in an effort to develop a conceptional model describing the mobility of arsenic in West Bengal aquifers.
    Keywords: QC1-999 ; Arsenic ; Groundwater ; Bengal Delta Plain ; Groundwater abstraction ; West Bengal ; bic Book Industry Communication::P Mathematics & science::PH Physics ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 17
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    Ein Ansatz zur Bewertung klimapolitischer Instrumente am Beispiel der Metallerzeugung und -verarbeitung (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-04
    Description: Achieving the ambitious greenhouse gas (GHG) reduction targets set up by German legislation requires political incentives to reduce GHG emissions of energy intensive industries without hampering their international competitiveness. This dissertation therefore analyses the influence of different political instruments (ETS, EEG, EnergieStG, StromStG) on induced emission reductions as well as on relevant economic parameters. Thereby, the focus is set on the metal production.
    Keywords: QC1-999 ; Metallerzeugung ; Treibhausgasemissionen ; climate policy ; energy efficiency ; greenhouse gas emissions ; EnergieeffizienzMetal production ; Klimapolitik ; bic Book Industry Communication::P Mathematics & science::PH Physics ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: German
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  • 18
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    Stochastische Simulation großflächiger, hochwasserrelevanter Niederschlagsereignisse (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-04
    Description: The risk estimation of precipitation events with high recurrence periods is difficult due to the limited time scale with meteorological observations. A homogenous distribution of rain gauges, especially in mountainous terrain, is also hardly convertible. In this study an analytical model with a high spatial resolution, designed for stochastic simulations of flood-related precipitation, is developed, evaluated and applied to different investigation areas in Germany.
    Keywords: QC1-999 ; Niederschlag ; precipitation ; Stochastik ; Meteorologie ; Simulation ; flood risk ; meteorology ; simulation ; stochastic ; Hochwasser ; bic Book Industry Communication::P Mathematics & science::PH Physics ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: German
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  • 19
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    Langfristperspektiven für eine integrierte Raum- und Eisenbahnentwicklung am Hochrhein und Oberrhein. Langfristperspektiven für eine integrierte Raum- und Eisenbahnentwicklung am Hochrhein und Oberrhein (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-04
    Description: Die Erkundung von Möglichkeiten der Leistungsfähigkeitssteigerung des Eisenbahnsystems an Hoch- und Oberrhein, in Abstimmung mit einer nachhaltigen Raumentwicklung, waren Ausgangslage für ein grenzüberschreitendes Kooperationsprojekt, dessen Ergebnisse im Herbst 2004 von den politischen Vertretern der beteiligten Raumschaften präsentiert wurden. Hintergründe aus Sicht der einzelnen Raumschaften und Fachdiszipline werden in vorliegender Publikation dargestellt.
    Keywords: QC1-999 ; Hochrhein ; Raumentwicklung ; Eisenbahn ; Oberrhein ; Bypass 〈Technik〉 ; Verkehrsentwicklung ; bic Book Industry Communication::P Mathematics & science::PH Physics ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: German
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  • 20
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    3D-GIS Visualisierung in der Umweltinformatik (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-04
    Description: 3D-Visualisierungen werden heutzutage in vielen verschiedenen Gebieten eingesetzt. Ein großer Vorteil der 3D-Visualisierung ist, dass sie komplexe räumliche Zusammenhänge leicht verständlich darstellen kann. Die Motivation dieser Arbeit war, Eigenschaften von 3D-Visualisierungen auf ihren Nutzen im Zusammenhang mit der Visualisierung von umweltrelevanten Daten zu untersuchen und generische Lösungsmöglichkeiten für die Realisierung von 3D-Visualisierungen in Umweltanwendungen zu entwickeln.
    Keywords: QC1-999 ; Java 3D ; Geoinformationssystem ; Umweltinformatik ; Visualisierung ; bic Book Industry Communication::P Mathematics & science::PH Physics ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: German
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  • 21
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    Investigation of coherent microscopic defects inside the tunneling barrier of a Josephson junction (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-04
    Description: In disordered solids, two-level atomic-tunneling systems are present in large quantity. Only recently, superconducting qubits opened a door for a detection and individual coherent manipulation of such microscopic quantum systems. We succeeded to tune the resonance frequencies of these systems by applying external strain on the qubit chip. Moreover, we observed and analyzed the interaction between two coupled tunneling systems.
    Keywords: QC1-999 ; two-level systemQuantenbit ; Qubit ; qubit ; Superconducting qubit ; TunnelsystemQuantum bit ; TLS ; tunneling system ; phase qubit ; bic Book Industry Communication::P Mathematics & science::PH Physics ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 22
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    Fast-response measurements of organic trace species in the Earth's atmosphere (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-04
    Description: This work describes the development of an ultra-light-weight Proton-Transfer-Reaction Mass Spectrometer (PTR-MS), its detailed qualification, ground-based and airborne applications and studies on VOC emissions in connection with fossil fuel production. The new system was used aboard a mobile laboratory in order to investigate the chemical fingerprints of the diverse emitters at oil and natural gas well pads. Emissions of aromatic hydrocarbons at a hydraulically fractured well have been studied.
    Keywords: QC1-999 ; PTR-MS Flüchtige organische Verbindungen Hydraulic Fracturing Aromatische Kohlenwasserstoffe Flugzeuggestützte MessungenPTR-MS Volatile organic compounds Hydraulic Fracturing Aromatic hydrocarbons Airborne measurements ; bic Book Industry Communication::P Mathematics & science::PH Physics ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 23
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    Einfluss eines Hochwasserretentionsraums auf den Anteil infiltrierten Flusswassers in Grundwasser-Entnahmebrunnen (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-04
    Description: Es wird ein allgemeingültiges Prozessverständnis der Grundwasserströmung zwischen einem Hochwasserretentionsraum und den Brunnen eines nahen Wasserwerks entwickelt. Auf dieser Grundlage wird eine Methode entworfen, mit der überschlägig abgeschätzt werden kann, ob durch den Retentionsraum infiltriertes Flusswasser in die Brunnen gelangt. Weiterhin werden geeignete Methoden für den Aufbau eines numerischen Aquifersimulators, mit dem der Einfluss bei Bedarf quantifiziert werden kann, aufgezeigt.
    Keywords: QC1-999 ; Wasserwerk ; Grundwasserströmung ; Polder ; Schadstofftransport ; Überflutung ; bic Book Industry Communication::P Mathematics & science::PH Physics ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: German
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  • 24
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    Vernetzt und ausgeglichen : Festschrift zur Verabschiedung von Prof. Dr.-Ing. habil. Dr.-Ing. E.h. Günter Schmitt (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-04
    Description: Im Rahmen der Festschrift zur Verabschiedung von Prof. Schmitt wurden von Mitarbeitern des Geodätischen Instituts sowie von ehemaligen Doktoranden insgesamt 24 Beiträge zu aktuellen Arbeiten der Verfasser erstellt. Das Spektrum dieser Arbeiten liegt in den Bereichen Geodäsie, GIS, GNSS, Netzausgleichung, Geodynamik sowie Wertermittlung. Innovative Arbeiten zu aktuellen Fragestellungen stehen in direktem Zusammenhang mit früheren wissenschaftlichen Arbeiten von Prof. Schmitt.
    Keywords: QC1-999 ; Geodätisches Institut KIT Festschrift Verabschiedung Prof. Schmitt ; bic Book Industry Communication::P Mathematics & science::PH Physics ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: German
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  • 25
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    Anaerobic digestion of organic solid waste for energy production (2021)
    KIT Scientific Publishing
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    Publication Date: 2024-04-04
    Description: Anaerobic digestion of the organic fraction of municipal solid waste as such or together with food waste, press water or patatoes sludge was investigated to equilibrate methane production within a day or over the weekend, when no OFMSW was available. A stable co-digestion process could be achieved with COD degradation between 60 and 80 %. The max. organic loading rates were 28 kg COD/L,d. For stable methane production the OLR during Co-digestion should not excede 22,5 kg/L,d.
    Keywords: QC1-999 ; Food waste ; Potatoes sludge ; Organic fraction of municipal solid waste ; Methane production ; Anaerobic digestion ; Co-digestion ; Press water ; bic Book Industry Communication::P Mathematics & science::PH Physics ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 26
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    Risikoberechnung zum Schadstoffeintrag aus Hochwasserretentionsräumen in einen Grundwasserleiter (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Die Errichtung von Hochwasserretentionsräumen entlang von Flüssen ist eine verbreitete Maßnahme zur Verbesserung des Hochwasserschutzes. Durch die zusätzlichen Überflutungsflächen können vermehrt Schadstoffe aus der Hochwasserwelle in das Grundwasser eingetragen werden. Dies kann zu einer Gefährdung der Trinkwasserressource in den Flussauen führen. In der vorliegenden Arbeit wird eine Methode zur Risikoberechnung für eine Grundwassergefährdung in einem Hochwasserretentionsraum vorgestellt.
    Keywords: TA1-2040 ; Grundwasser ; Hochwasserretentionsraum ; Boden ; Schadstofftransport ; Risikoberechnung ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: German
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  • 27
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    Assessment of an ultramicroelectrode array (UMEA) sensor for the determination of trace concentrations of heavy metals in water [online] (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-04
    Description: The main objectives of this book are (i) to investigate the electrochemical behavior and the analytical performance of a novel ultramicroelectrode array (UMEA); (ii) to assess the analytical parameters of square-wave anodic stripping voltammetric measurements (SWASV) using the UMEA; and (iii) to estimate the potential of the UMEA in developing decentralised analytical equipments for the determination of trace concentrations of heavy metals in natural waters. Surface analytical techniques (SEM, ESEM, and AFM) showed that the UMEA chips are of high quality in manufacture. Cyclic voltammetric and chronoamperometric experiments proved that the electrochemical behavior of the UMEA is dominated by the features characteristic for single microelectrodes.Chronocoulometry was found to be the most suitable method in generating the Hg-film of good quality. A new UMEA chip could be plated at least ten times, corresponding to about 500 measurements of trace metals in synthetic aqueous solutions. Using SWASV, detection limits of 〈0.1 ï¿g/l could be achieved for the metals (Pb, Cd). Precision and accuracy were found to be approx +/-10% of RSD.In natural waters, the results obtained with the UMEA sensor showed a reasonably good agreement with HR-ICP-MS analyses. Different experimental parameters were optimised and investigated. Interferences (e.g., DOC) were significantly reduced through medium exchange and standard addition. Ultrasonic bath proved to be very efficient in resurfacing electrodes in laboratory.The UMEA sensor shows a great potential in developing a portable trace metal analyzer. However, for in situ and on-site measurements, the protection of the UMEA sensor from fouling seems to be inevitable. In order to achieve a pure microelectrode behavior with the UMEA, increasing the ratio of interelectrode distance to electrode diameter is recommended for further developments.
    Keywords: QC1-999 ; Schwermetall ; Geochemie ; Chemischer Sensor ; Elektrochemischer Sensor ; Mikroelektrode ; Sensor ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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    Linear Estimation in Interconnected Sensor Systems with Information Constraints (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2023-12-20
    Description: A ubiquitous challenge in many technical applications is to estimate an unknown state by means of data that stems from several, often heterogeneous sensor sources. In this book, information is interpreted stochastically, and techniques for the distributed processing of data are derived that minimize the error of estimates about the unknown state. Methods for the reconstruction of dependencies are proposed and novel approaches for the distributed processing of noisy data are developed.
    Keywords: QA1-939 ; Schätztheorie ; Kalman Filter ; estimation theory ; Sensornetze ; Verteilte SystemsData fusion ; distributed systems ; Datenfusion ; sensor networks ; Kalman filtering ; bic Book Industry Communication::P Mathematics & science
    Language: English
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  • 29
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    Projektbegleitendes (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Eine zügige, ökologisch-ökonomisch ausgewogene und innovative Umsetzung der erforderlichen Infrastruktur wird mit der bestehenden Herangehensweise in Deutschland bisher nicht erreicht. Mit der vorliegenden Arbeit wurde am Beispiel des Tunnelbaus mit dem ""Projektbegleitenden
    Keywords: TA1-2040 ; Umweltverträglichkeit ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: German
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  • 30
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    Mikroskopische Modellierung des Außenverkehrs eines Planungsraums (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Im Rahmen der mikroskopischen Verkehrsnachfragemodellierung wird ein Modell vorgestellt, das den für den Planungsraum relevanten Verkehr der in den Außenzellen wohnenden Personen abbildet. Voraussetzung dafür ist die Übertragbarkeit von individuellen Mobilitätsdaten, die auf Basis der Daten des Deutschen Mobilitätspanels (MOP) analysiert wird. Darüber hinaus wird eine Methode zur Abgrenzung von Untersuchungsgebieten für beliebige Planungsräume in Deutschland dargelegt.
    Keywords: TA1-2040 ; Mikroskopisch ; Untersuchungsgebiet ; Verkehrsnachfragemodellierung ; Mobilitätsdaten ; Außenverkehr ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: German
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  • 31
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    Adsorption und Mobilisierung wasserlöslicher Kfz-emittierter Platingruppenelemente (Pt, Pd, Rh) an verschiedenen bodentypischen Mineralen (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-04
    Description: Zur Bewertung der Umweltrelevanz der Kfz-emittierten PGE (Pt, Pd, Rh) ist das Verständnis ihres Verhaltens im Boden von grundlegender Bedeutung.In dieser Arbeit wurde das Sorptionsverhalten wasserlöslicher PGE an fünf typischen Bodenmineralen (Mn/Fe-Oxide, Kaolinit, Feldspat, Kalk, Quarz) untersucht.
    Keywords: QC1-999 ; Edelmetallkomplexe ; Adsorption ; Mobilität ; Rhodium ; Platinmetallverbindungen ; Umweltgefährdung ; Palladium ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: German
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  • 32
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    Russisch-Deutsches Wörterbuch für Wasserwirtschaft = Russko-nemezkij slowarj po wodnomu chosjajstwu (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Dieses zweisprachige Wörterbuch zur Wasserwirtschaft ist das Standardwerk bei Kontakten unter Wissenschaftlern und Technikern aus Deutschland und deutschsprachigen Ländern mit Kollegen aus Russland und den russischsprachigen US-Staaten. Es ist als aktuelles und handliches Hilfsmittel vor allem für die Praxis gedacht. Das Wörterbuch enthält ca. 40.000 Begriffe aus den Bereichen Energie- und Wasserwirtschaft, Wasserbau sowie anderer angrenzender Industrie- und Wissenschaftsbereiche.
    Keywords: TA1-2040 ; Wasserwirtschaft ; Umweltschutz ; Wasserbau ; Energiewasserwirtschaft ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: German
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  • 33
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    Prozessverständnis einer Naturkatastrophe: eine geo- und hydrochemische Untersuchung der regionalen Arsen-Anreicherung im Grundwasser West-Bengalens (Indien) (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-04
    Description: Die vorliegende Arbeit untersucht die regionale As-Grundwasseranreicherung in einem 35 km2 Gebiet in Kaliachak I (West-Bengalen, Indien), in dem Anomalien mit As-angereichertem Grundwasser in unmittelbarer Nähe zu unbelasteten Gebieten auftreten. Ziel der Arbeit ist die Charakterisierung des hydrogeochemischen Umfeldes der hohen As-Konzentrationen im Grundwasser und die Bestimmung der mineralogischen Speziation und Verfügbarkeit von Arsen in den Sedimenten des Aquifers.
    Keywords: QC1-999 ; Bengalen ; Grundwasser ; Sequentielle Extraktion ; Arsen ; Redox-Zonierung ; Natürliches organisches Material ; Mikrobieller Abbau ; Altwasser ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: German
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  • 34
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    Adding nonlinearity to an electromagnetic-magnonic quantum hybrid device (2022)
    KIT Scientific Publishing | KIT Scientific Publishing
    Details
    Publication Date: 2024-04-04
    Description: In this book, hybrid systems based on yttrium-iron-garnet (YIG), three dimensional microwave cavity resonators, and superconducting transmon qubits, are investigated by continuous wave and pulsed microwave spectroscopy. Limitations to the magnetic linewidth in the quantum regime are identified and coherent exchange between a magnon and a superconducting qubit are demonstrated. Finally, a first step towards a strongly coupled hybrid system containing all three components is demonstrated.
    Keywords: low temperature physic ; hybrid quantum systems ; quantum magnonics ; Tieftemperaturphysik ; Hybride Quantensysteme ; Quanten-Magnonics ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 35
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    Farbe - Macht - Körper : Kritische Weißseinsforschung in der europäischen Kunstgeschichte (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-04
    Description: From the 16th century to the 18th century skin colors have been stereotyped and stylized as essential characteristics of race. Color is of vital importance for artistic constructions of the body. This publication examines to what extent art has prepared the racist discourse by visual means and thus exercises structural violence. It is shown that the materialization of imaginary images contributes to the construction of difference in artworks.
    Keywords: QC1-999 ; Macht ; Farbe ; Rassismus ; Körper ; Weißsein ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: German
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  • 36
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    Zustandsbestimmung von externen Spanngliedern und Schrägseilen mit Frequenzanalysen (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: In this work, the measurement system ResoCable®, consisting of hardware and software, was developed with the implementation and evaluation of the frequency measurements of external tendons and cables. Numerous measurements at external tendons and cables were conducted. Among them, the behavior of strands and deflection points was investigated with FE calculations.
    Keywords: TA1-2040 ; frequency analysis ; ZfP ; ResoCable ; stay cable ; Schrägseil ; Spannglied ; Frequenzanalyse ; Tendon ; NdT ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: German
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  • 37
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    Urbane Orte: Ein Urbanitätskonzept und seine Anwendung zur Untersuchung transformierter Industrieareale [mit CD] (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-04
    Description: Das Buch Urbane Orte beleuchtet einen der wohl populärsten Begriffe der Stadtplanung: Urbanität. Das Konzept der urbanen Orte ist eine Zusammenfassung der Qualitäten und Elemente, die einen urbanen Ort im europäischen Kontext ausmachen. Eine Anwendung findet dieses Konzept an ausgewählten zwischen- oder umgenutzten Konversionsflächen. Die Untersuchungen geben Einblicke in die Transformationsstrategien und erläutern jene Parameter und Akteure, welche für die Entwicklung entscheidend waren.
    Keywords: QC1-999 ; Umnutzung ; Transformation ; Konversion ; Urbanität ; Strategien ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: German
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  • 38
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    Spintronics with individual metal-organic molecules (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-04
    Description: In this work two ideas of using individual metal organic molecules in applications for data storage are presented. On the one hand, metal-free phthalocyanine is used to form a GMR contact consisting of one single molecule leading to the world smallest magnetic sensor. On the other hand, chromium acetylacetonate was used to study the properties of magnetic molecules adsorbed on surfaces in order to build magnetic bits for date storage.
    Keywords: QC1-999 ; spintronics ; nanotechnology ; magnetic sensors ; giant magneto resistance ; organic electronics ; bic Book Industry Communication::P Mathematics & science::PH Physics ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 39
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    Wind Systems in the Dead Sea and Footprints in Seismic Records (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-04
    Description: Atmospheric processes, such as wind, impact the ground motion of the earth and have the potential to induce strong broad-band noise in seismological records. In order to quantify the influence of wind on ground motion velocity joint seismological and meteorological measurements were conducted at the Dead Sea.Results reveal a pronounced impact of wind on seismological records. A methodology is presented to account for the dependency of PSD of ground motion velocity on the horizontal wind field.
    Keywords: QC1-999 ; Wind ; Microseisms ; Wind speed ; Topography ; Totes Meer ; TopographieSeismology ; Seismologie ; Rauschspektrum ; Dead Sea ; bic Book Industry Communication::P Mathematics & science::PH Physics ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 40
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    High-resolution sensitivity studies with the regional climate model COSMO-CLM (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-04
    Description: High-resolution regional ensemble climate simulations with the regional climate model COSMO-CLM are performed for Southwest Germany to study the sensitivity of meteorological and hydrological variables to parameter settings. The soil-vegetation model VEG3D is implemented into COSMO-CLM to assess the impact of the lower atmospheric boundary on simulation results. A statistical-dynamical downscaling method is tested to shorten the simulation time for regional climate studies.
    Keywords: QC1-999 ; regional climate modelling ; climate ; sensitivity studies ; COSMO-CLM ; bic Book Industry Communication::P Mathematics & science::PH Physics ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 41
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    Optimale Beschichtung von Laserspiegeln zur Erzeugung ultrakurzer Laserpulse (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2023-07-05
    Description: Das Problem des Spiegel-Designs für Laseranordnungen im Femtosekundenbereich ist ein aktuelles Forschungsgebiet mit großen Anwendungsmöglichkeiten.Der Autor präsentiert ein neues Verfahren, das zu vorgegebenen Spektraleigenschaften die optimale Beschichtung eines Laserspiegels liefert, mit dessen Hilfe ultrakurze Laserpulse erzeugt werden können. Ausgehend von einer mathematisch-physikalisch motivierten Modellbildung wurden die einzelnen Schritte des Spiegel-Design-Algorithmuses hergeleitet, dessen Kern die Lösung des inversen Problems für die eindimensionale Schrödinger-Gleichung ist.
    Keywords: QA1-939 ; Laserspiegel ; Schrödinger-Gleichung ; Reflexionskoeffizient ; inverses Streuproblem ; Laserimpuls
    Language: German
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  • 42
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    Factorization methods for photonics and rough surfaces (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2023-07-05
    Description: This thesis investigates non-destructive testing problems for rough and periodic surfaces, where the task is to determine such structures from scattered waves. Such problems are non-linear and ill-posed. We are interested in the analysis of the Factorization method applied to this class of inverse scattering problems. This method does not attempt to solve a non-linear operator equation for the unknown object but computes a binary criterion characterizing points inside and outside the structure.
    Keywords: QA1-939 ; Factorization method ; inverse scattering problem ; surface scattering
    Language: English
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  • 43
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    Efficient Radar Forward Operator for Operational Data Assimilation within the COSMO-model (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-04
    Description: Doppler radars provide unique 3D information about precipitating clouds in high spatial and temporal resolutions. However, the observed quantities (reflectivity, Doppler velocity and polarization properties) are not directly comparable to the variables of numerical prediction models. In order to enable radar data assimilation, a comprehensive modular radar forward operator has been developed.
    Keywords: QC1-999 ; NWP model ; radar simulator ; parallelized and vectorized code ; weather forecast ; data assimilation ; bic Book Industry Communication::P Mathematics & science::PH Physics ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 44
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    Quantum simulation experiments with superconducting circuits (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-04
    Description: While the universal quantum computer seems not in reach for the near future, this work focusses on analog quantum simulation of intriguing quantum models of light-matter interactions, with the goal of achieving a computational speed-up as compared to classical hardware. Existing building blocks of quantum hardware are used from superconducting circuits, that have proven to be a very suitable experimental platform for the implementation of model Hamiltonians at a high degree of controllability.
    Keywords: QC1-999 ; Festkörperphysik ; superconductivity ; quantum bit ; solid state physics ; Quantensimulation ; Quantenbits ; Quantenmechanik ; Supraleitung ; quantum computation ; Quantum simulation ; bic Book Industry Communication::P Mathematics & science::PH Physics ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 45
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    Parameterisation of electromagnetic showers and search for large extra dimensions in pp collisions at s = 14 TeV (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-04
    Description: The emission of dibenzofurans and dioxins from industrial processes is a major environmental concern. Focussing on dibenzofuran, this study tend to improve our understanding of the general oxidation chemistry and to provide a mechanism suitable for future modelling studies. Based on quantum chemical methods, energies, chemical structures and reactions are calculated numerically. Not only stable molecules and radicals, but also transition states are reported in this work.
    Keywords: QC1-999 ; ADD ; Shower parametrization ; extra dimensions ; shower parameterisation ; bic Book Industry Communication::P Mathematics & science::PH Physics ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 46
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    Änderung des Gewitter- und Hagelpotentials im Klimawandel (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-04
    Description: In der vorliegenden Arbeit wird untersucht, inwieweit sich die Häufigkeit und Intensität von Gewitter- und Hagelereignissen in den vergangenen Jahren in Deutschland und Europa verändert hat. Mit Hilfe von regionalen Klimasimulationen wird abgeschätzt, mit welchen Änderungen des Hagelpotentials - bedingt durch den anthropogenen Klimawandel - in der Zukunft zu rechnen ist.
    Keywords: QC1-999 ; Hagel ; Atmosphärische Risiken ; Klimawandel ; Klimatologie (Zukunft ; Konvektion) ; Gewitter ; bic Book Industry Communication::P Mathematics & science::PH Physics ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: German
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  • 47
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    Deutsch-Russisches Wörterbuch für Wasserwirtschaft = Nemeckij-russko slovar' po vodnomu chozjajstvu (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Das Deutsch-Russische Wörterbuch für Wasserwirtschaft ist ein unentbehrliches Hilfsmittel für den Aufbau von Kontakten und Kooperationen zwischen den Fachleuten und Wissenschaftlern aus russischsprachigen GUS-Staaten und deutschsprachigen Ländern. Das Wörterbuch enthält rund 40.000 Stichwörter und nahezu die gleiche Anzahl Bedeutungen aus den Bereichen Energie- und Wasserwirtschaft, Wasserbau,
    Keywords: TA1-2040 ; Energiewirtschaft ; Wasserwirtschaft ; Wasserbau ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: German
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  • 48
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    Bau- und Wohnflächenreserven in kleinen Kommunen Baden-Württembergs. Innenentwicklungspotenziale vor dem Hintergrund einer sich ändernden Bevölkerungsstruktur (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-04
    Description: Zentrales Thema der vorliegenden Arbeit ist die Untersuchung der vorhandenen innerörtlichen Bauflächen-Potenziale in kleinen Gemeinden Baden-Württembergs und die Erarbeitung von Möglichkeiten zu deren Aktivierung und Nutzung. Tendenzen der Bevölkerungsentwicklung und die daraus abzuleitende Nachfrage werden - auch anhand zahlreicher Fallbeispiele - aufgezeigt und konkrete Handlungsempfehlungen für unterschiedliche Akteure und Planungsebenen abgeleitet.
    Keywords: QC1-999 ; Leerstand ; Baulücke ; Demographie ; Stadtplanung ; Regionalplanung ; Bauland ; Brachfläche ; Bevölkerungsrückgang ; Dorfentwicklung ; Innenentwicklung ; bic Book Industry Communication::P Mathematics & science::PH Physics ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: German
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  • 49
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    Charakterisierung polarer stratosphärischer Wolken mittels hochauflösender Infrarotspektroskopie (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-04
    Description: Polare stratosphärische Wolken (PSCs) spielen für die Ozonchemie der winterlichen Stratosphäre eine herausragende Rolle. Wechselwirkungen zwischen der abkühlenden Stratosphäre und der Existenz von PSCs können die zukünftige Entwicklung der Ozonschicht beeinflussen. Die vorliegende Arbeit zeigt auf, wie aus Fernerkundungsmessungen im Infraroten globale Bilder über Verteilung und chemische Zusammensetzung von PSCs gewonnen und daraus Schlüsse über deren Entstehung abgeleitet werden können.
    Keywords: QC1-999 ; Spektroskopie ; Fernerkundung ; Wolken ; Stratosphäre ; Ozonloch ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: German
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  • 50
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    Heat kernel estimates and L p -spectral theory of locally symmetric spaces (2021)
    KIT Scientific Publishing
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    Publication Date: 2023-12-20
    Description: In this work we derive upper Gaussian bounds for the heat kernel on locally symmetric spaces of non-compact type. Furthermore, we determine explicitly the Lp-spectrum of locally symmetric spaces M whose universal covering is a rank one symmetric space of non-compact type if either the fundamental group of M is small (in a certain sense) or if the fundamental group is arithmetic and M is non-compact.
    Keywords: QA1-939 ; Laplace-Beltrami-Operator ; Wärmeleitungskern ; Lokal symmetrischer Raum ; Spektrum ; bic Book Industry Communication::P Mathematics & science
    Language: English
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    Hamburger Backstein- und Klinkerbauten : Gestalt, Konstruktion, Material (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-04
    Description: Die Text- und Quellensammlung entstand als Arbeitsgrundlage für eine Exkursion nach Hamburg. Studierende der Architektur setzten sich mit der Frage auseinander, inwiefern sich der Umgang mit den Baumaterialien Ziegel und Klinker in konstruktiver und gestalterischer Hinsicht im Laufe der Zeit gewandelt hat. Der Fokus der Analysen wurde auf die Zeitspanne zwischen 1880 und 1930 gerichtet, da in diesen Dekaden das Bauen mit ""Backstein"" besonders starken Veränderungen unterworfen war.
    Keywords: QC1-999 ; Backstein ; Ziegel ; Klinker ; Hamburg ; thema EDItEUR::P Mathematics and Science::PH Physics
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  • 52
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    Baustoffe und Betonbau : Lehren, Forschen, Prüfen, Anwenden - Festschrift zum 60. Geburtstag von Prof. Dr.-Ing. Harald S. Müller (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Die vorliegende Festschrift ""Baustoffe und Betonbau - Lehren, Forschen, Prüfen, Anwenden"" ist Herrn Prof. Dr.-Ing. Harald S. Müller zum 60. Geburtstag gewidmet. Sie würdigt die Tätigkeit von Herrn Prof. Müller als Hochschullehrer und Forscher, seinen unermüdlichen Einsatz für die Materialprüfung und Normung von Baustoffen sowie sein umfangreiches und langjähriges Engagement in vielen für die Betonbauweise relevanten Gremien und Vereinigungen.
    Keywords: TA1-2040 ; Beton ; Bauwesen ; Baustoffe ; Zement ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: German
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  • 53
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    Strategie und Praxis der Umnutzung von Kirchengebäuden in den Niederlanden (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: The Netherlands have a long-termstanding experience concerning regarding the reuse of churches. The work delivers an in-depth analysis of current re-use practises and strategies that is following a mixed methods approach. Based on an initial policy analysis, 35 re-used churches were investigated by mapping their spatial and structural characteristics, complemented by governance and planning process related attributes. The work provides conditions, enablers and barriers for the German situation.
    Keywords: TA1-2040 ; Umnutzung ; Kirchengebäude ; Netherlands ; Niederlande ; Strategie ; Strategy ; Church buildings ; Re-Use ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: German
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    Methode zur Klassifizierung von Tragfähigkeitsmessergebnissen des Falling Weight Deflectometers bei Asphaltbefestigungen (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Mit dem Falling Weight Deflectometer können Tragfähigkeitsmuster als Merkmal für die strukturellen Gegebenheiten einer Straßenkonstruktion erfasst werden. Zur Bewertung dieser Tragfähigkeitsmuster (Deflexionsmulden) wurde durch Generierung theoretischer Deflexionsmulden eine bereits vorhandene Datenbank erweitert und dieser Datenbestand klassifiziert. Durch den Einsatz von Künstlichen Neuronalen Netzen wurde außerdem eine pragmatische Anwendung des klassifizierten Datenbestandes dargestellt.
    Keywords: TA1-2040 ; Substanzbewertung ; Zustandserfassung ; Erhaltung ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: German
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    Dreidimensionale und tiefengemittelte Large-Eddy-Simulation von Flachwasserströmungen (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: In dieser Arbeit wird ein tiefengemitteltes Large-Eddy-Simulationsverfahren für Flachwasserströmungen entwickelt. Dazu liefern umfangreiche dreidimensionale LES-Rechnungen Informationen über die in den tiefengemittelten Gleichungen zu modellierenden Terme.Als Anwendungen werden unter anderem die ausgebildete Gerinneströmung, die Zylinderumströmung, eine Mischungsschicht sowie die Strömung in einem Buhnenfeld betrachtet.
    Keywords: TA1-2040 ; LES ; Flachwasser ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: German
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  • 56
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    High-resolution analysis of the initiation of deep convection forced by boundary-layer processes (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-04
    Description: The initiation of atmospheric convection is investigated using the synergy of different instruments. The impact of increased spatial data resolution on the detection of the initiation of deep convection is analysed, and a methodology is developed to determine the likelihood of deep convection over flat and complex terrains. Intensive Observation Periods (IOPs) are used from the Convective Storm Initiation Project (CSIP), and the Convective and Orographically-Induced Precipitation Study (COPS).
    Keywords: QC1-999 ; COPS ; Wasserdampf ; atmosphärische Grenzschicht ; Konvektion ; deep convection ; water vapour ; CSIP ; COPSatmospheric boundary layer ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 57
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    Proliferation-Proof Uranium/Plutonium Fuel Cycles: Safeguards and Non-Proliferation (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-04
    Description: After description of the uranium / plutonium fuel cycle results are reported for various isotopic compositions of reactor-grade plutonium for usability in hypothetical nuclear explosive devices. It is shown that it is mainly thermal analyses, besides neutron physics analyses, which indicate the limits of concentration of the Pu-238 plutonium isotope. Above these limits, such hypothetical nuclear explosive devices are not feasible technically. In the light of this finding, future proliferation-proof fuel cycles are proposed which make use of recent methods of actinide transmutation.The author is honorary professor at the Karlsruhe Institute of Technology (KIT) and emeritus director of the former Institute for Neutron Physics and Reactor Engineering of the former Karlsruhe Research Center. For many years he was a member and, for some time, chairman of the German Advisory Committee on Reactor Safeguards (RSK).He is a member of the European Nuclear Society (ENS) and a member and fellow of the American Nuclear Society (ANS).
    Keywords: QC1-999 ; Non-Proliferation ; Nuclear Fuel Cycle ; Proliferation-proof ; Plutonium ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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    Chemical, Physical and Mineralogical Properties of Atmospheric Particulate Matter in the Megacity Beijing (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-04
    Description: The scope of this work is to develop a comprehensive understanding of the aerosol pollution in the megacity Beijing. The focus lies on the interaction of anthropogenic and geogenic aerosol particles, their spatio-temporal variation, the most important pollution sources as well as the impact of particulate aerosols on human health and the environment. Furthermore, the bioavailable fraction of metal concentrations and the effect of mitigation measures during the 2008 Olympic Games were evaluated.
    Keywords: QC1-999 ; Urban aerosols ; Single particle analyses ; Anthropogenic and geogenic particles ; Bioavailable metal concentrations ; Mitigation measures ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 59
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    Ökologische und ökonomische Bewertung von Co-Vergärungsanlagen und deren Standortwahl (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-04
    Description: Sowohl in landwirtschaftlichen als auch in abfallwirtschaftlichen Co-Vergärungsanlagen wird Biogas zur Strom- und Wärmeerzeugung energetisch genutzt. In dieser Arbeit werden, aufbauend auf einer Stoff- und Energiestrommodellierung, verschiedene Anlagentypen zur Co-Vergärung ökologisch und ökonomisch bewertet. Mit einem gemischt-ganzzahligen linearen Planungsmodell werden exemplarisch für die Region Heilbronn optimale Standorte hinsichtlich ökologischer und ökonomischer Zielkriterien bestimmt.
    Keywords: QC1-999 ; Stoffstrommodellierung ; Biogas ; Stoff- und Energiestrommodellierung ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: German
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  • 60
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    Der gesellschaftliche Umgang mit zunehmender Verwundbarkeit: eine Analyse der sozialen Bedingungen für vulnerabilitätsorientierte räumliche Planung in den Küstenzonen von Bangladesch (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-04
    Description: How respond the societies in developing countries to natural hazards, particularly in the areas of prevention and management? Which of the identified adaptation measures are socially acceptable and which are critical weaknesses of the existing spatial planning processes? How can this be solved? With the help of an empirical survey in the southwestern coastal area the present study aimed at to answer these questions.
    Keywords: QC1-999 ; Zyklon in Bangladesch ; Raumplanung ; Küstenregion ; Gesellschaftlicher Wandel ; Vulnerabilitätsanalyse ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: German
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  • 61
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    Assessing the Aerosol Impact on Southern West African Clouds and Atmospheric Dynamics (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-04
    Description: By using COSMO-ART, highly resolved process study simulations for 2-3 July 2016 are conducted to assess the aerosol effect on the meteorological conditions of southern West Africa. The meteorological phenomenon Evening Monsoon Flow Enhancement (EMFE) is identified as highly susceptible to the aerosol direct effect, leading to a spatial shift of the EMFE front. In a second aerosol feedback chain the aerosol variation leads to a temporal shift of the stratus-to-cumulus transition.
    Keywords: QC1-999 ; COSMO-ART ; Wolken ; Aerosol ; Westafrikanischer Monsun ; clouds ; West African monsoon ; Nächtlicher Stratus ; COSMO-ARTaerosol ; nocturnal stratus ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 62
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    Einfluss der Boden-Vegetation-Atmosphären Wechselwirkungen auf die dekadische Vorhersagbarkeit des Westafrikanischen Monsuns (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-04
    Description: In this work, the influence of the interactions between the soil, the vegetation and the atmosphere on the variability of the West African Monsoon is investigated. Therefore climate simulations with the regional climate model COSMO-CLM, coupled to two different Soil-Vegetation-Atmosphere-Transfer Models, are performed. Based on the simulation results sensitive processes in the West African Monsoon system are identified and their impact on its decadal variability is evaluated.
    Keywords: QC1-999 ; OASIS3-MCT ; OASIS3-MCTCOSMO-CLM ; VEG3D ; West African Monsoon ; Westafrikanischer Monsun ; decadal predictability ; COSMO-CLM ; dekadische Vorhersagbarkeit ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: German
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  • 63
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    Anpassungsrelevante Klimaänderungen für städtische Baustrukturen und Wohnquartiere (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-04
    Description: The influence of climate change on urban heat island intensity is analyzed for the city of Karlsruhe, southwestern Germany. First, its present diurnal and seasonal as well as spatial modes of variability are characterized by means of different meteorological observation datasets. One focus is on temperature differences during heat events. Second, high-resolution regional climate model data allow for projecting the future development of the urban heat island.
    Keywords: QC1-999 ; urban heat island ; Klimawandel ; climate change adaptation ; Stadtklima ; Karlsruhe ; urban climate ; Germany ; städtische Wärmeinsel ; Klimaanpassung ; climate change ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: German
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  • 64
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    Modellunterstützte Beurteilung der Verkehrsqualität auf Netzabschnitten von Bundesautobahnen (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: An efficient highway capacity design is becoming an increasingly important topic, thanks to recurring congestions and unreliable travel times in the German highway network. This work provides a new methodology for the analysis of oversaturated freeway facilities. A Cell Transmission Model was used as an underlying traffic flow model for modeling oversaturated freeway facilities and tailor-fitted to represent the HBS manual faithfully.
    Keywords: TA1-2040 ; freeway ; Bundesautobahn ; HCM ; traffic flow model ; Verkehrsqualität ; HBS ; level of service ; Cell Transmission Model ; Verkehrsflussmodell ; Zellenmodell ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: German
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  • 65
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    Modellsimulationen zur Strömungsverstärkung von orographischen Grundstrukturen bei Sturmsituationen (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-04
    Description: In dieser Arbeit wird der Einfluss orographischer Geländestrukturen hinsichtlich ihrer windverstärkenden Wirkung untersucht. Dies erfolgt mit Hilfe des mesoskaligen meteorologischen Modells KAMM2, welches atmosphärische Strömungen numerisch berechnet. Die Ergebnisse zeigen Regionen mit erhöhten Windgeschwindigkeiten für idealisierte orographische Strukturen sowie für komplexes Gelände auf.
    Keywords: QC1-999 ; Sturmgefährdung ; orographisch bedingte Strömungsverstärkung ; Wind ; Umweltaerodynamik ; Modellierung ; Orographie ; Numerisches Modell ; Sturm ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: German
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  • 66
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    STM Characterization of Phenylene-Ethynylene Oligomers on Au(111) and their Integration into Carbon Nanotube Nanogaps (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-04
    Description: Molecular electronics requires both profound knowledge of a molecule's structure and functionality on a surface and controlled positioning between electrodes with nanometer-sized gaps. In the first part of this work, a detailed scanning tunneling microscope study of two variants of oligo(phenylene ethynylene) molecules is presented. In the second part, methods of fabricating carbon nanotube nanogap electrodes as direct contacts to these molecules are explored.
    Keywords: QC1-999 ; Nanoelektronik Molekulardrähte Rastertunnelmikroskopie Kohlenstoffnanoröhren Nanogap-ElektrodenNanoelectronics Molecular wires Scanning tunneling microscopy Carbon nanotubes Nanogap electrodes ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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    Time-efficient Simulation of Surface-excited Guided Lamb Wave Propagation in Composites (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-04
    Description: The methods of time-efficient simulation of surface-excited wave propagation in plate-like multilayered composites are presented. The mathematical model of wave propagation in laminated plate based on the elasticity theory is transformed and then solved in wavenumber-frequency domain. The numerical methods for computation of inverse transform in time-space domain are developed and used for analysis of wave and energy propagation phenomena occurring in composite plates due to surface excitation.
    Keywords: QC1-999 ; Lamb waves ; composites ; wave propagation ; piezoelectric actuators ; structural health monitoring ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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    Spectroscopic investigations of delaminated and intercalated phyllosilicates (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: The characteristic feature of phyllosilicates like muscovite (KAl2[Si3AlO10(OH)2] is their layered structure. Due to the resulting anisotropic optical and electrical properties this mineral is an important raw material in paint industries and polymer composites.Crucial for many of these properties is on one hand a high aspect ratio of the stacks, which will be enhanced by delamination of the mineral. On the other hand the exchange of the interlayer cations like potassium changes the chemical properties of the muscovite, its refraction behaviour and surface properties. But these interlayer cations are difficult to access and are not exchangeable under normal conditions.Thus a process for the intercalation of cations like Cu2+, Mg2+ or Zn2+ from super saturated nitrate solutions in autoclaves was developed to reveal a chemically modified mica phase.The extensive modification of the muscovite structure, due to the intercalation is monitored by X-ray diffractometry and several spectroscopic methods. The XRD results strongly suggest the formation of an intercalated irregular mixed-layer phase. This is proven by far infrared spectroscopy which show the simultaneous occurrence of both K+ and Cu2+ in the interlayer region, strongly increasing the interlayer space.1Investigations in the mid infrared region using diffuse reflectance spectroscopy (DRIFT) suggest a further migration of the intercalated cations deep into the ditrigonal holes of the tetrahedral sheet and their fixation within these holes close to the OH groups.
    Keywords: TA1-2040 ; Spektroskopie ; Interkalation ; Phyllosilicate ; Delamination ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: English
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    Symbiosen, Rituale, Routinen (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-04
    Description: not yet available
    Description: Die sozialkonstruktivistischen Essays über Technikrituale und Technikakzeptanz bieten an ausgewählten Beispielen und Quellen der 1920er bis 1960er Jahre einen Blick auf einige, zum Teil bislang wenig beachtete Quellenformen aus der Nähe, getragen von dem erkenntnisleitenden Interesse an ihrer identitätsstiftenden, also soziokulturellen Bedeutung, ihrem sozialen Leben in unserem Leben. Dabei geht es um eine Umsetzung der Ansätze der social construction of technology (SCOT).
    Keywords: history of technology ; technikgeschichte ; sozialkonstruktivismus ; constructivism ; Deutsche Reichsbahn (1920–1945) ; thema EDItEUR::P Mathematics and Science::PD Science: general issues::PDR Impact of science and technology on society ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: German
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    Hydrodynamic processes at the water-sediment interface of streambeds (2021)
    KIT Scientific Publishing
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    Publication Date: 2024-04-11
    Description: Simultaneous 2D pressure and 2D velocity information at the rough water-sediment interface of streambeds were gained by a newly developed measurement setup. In the bed the pressure fluctuations decay exponentially within the first 1-2 equivalent sand roughnesses. Structural findings concerning coherent flow structures are consistent with models originally developed for smooth walls. A significant bed destabilizing flow-pressure pattern was identified for the first time.
    Keywords: TA1-2040 ; open channel flow ; pressure sensors ; coherent structures ; gravel bed ; PIV ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: German
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  • 71
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    Einfluss der Leitungselektronen auf die Dynamik atomarer Tunnelsysteme in ungeordneten Festkörpern: Relaxationsprozesse in metallischen Gläsern und ungeordneten dünnen Aluminiumoxid-Schichten (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-04
    Description: The speed of sound in metallic glasses and the permittivity of dielectric alumina layers show the typical low-temperature behavior of amorphous solids. Acoustic measurements from a few kHz to GHz show the influence of the conduction electrons in a massive bulk metallic glass. Measurements of the permittivity at a few kHz surprisingly show an influence of the electrons on the properties of an insulating layer.
    Keywords: QC1-999 ; ultrasonic attenuation ; metallisches Glas ; Ultraschall-Dämpfung ; amorhpous solids ; Atomare Tunnelsysteme ; metallic glas ; atomic tunneling systems ; Amorphe Festkörper ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: German
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    Schnittdichten inhomogener Poissonprozesse (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2023-12-20
    Description: Für inhomogene Poissonprozesse mit konvexen Partikeln wird eine Klasse von Maßen auf der Einheitssphäre definiert. Nach geeigneter Normierung kann jedes dieser Maße als Verteilung der äußeren Normalen der Partikel des zugrundeliegenden Prozesses interpretiert werden. Wir benutzen diese Maße nun, um Stützfunktionen von Zonoiden zu definieren, deren innere Volumina dann als Dichten spezieller Schnittprozesse interpretiert werden können.
    Keywords: QA1-939 ; Partikelprozess ; Poissonprozess ; Konvexe Geometrie ; Integralgeometrie ; Schnittdichten ; Stochastische Geometrie ; bic Book Industry Communication::P Mathematics & science
    Language: German
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  • 73
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    Schädigungsmodell für die Hydroabrasionsbeanspruchung zur probabilistischen Lebensdauerprognose von Betonoberflächen im Wasserbau (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Hydraulic structures are exposed to multifaceted exposures. Particular the hydro-abrasive wear of the concrete edge zones represents a key exposure. The knowledge about the abrasive mechanisms of concrete and its degradation process is still insufficient. Relating to the hydro-abrasive test method, the relevant material parameter and degradation model incomplete knowledge existed which was removed.
    Keywords: TA1-2040 ; Beton ; Lebensdauer ; Test method ; Hydroabrasionsverschleiß ; Concrete ; SchädigungsmodellHydro-abrasion ; Prüftechnik ; Life-time ; Deterioration model ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: German
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    Steigungen höherer Ordnung zur verifizierten globalen Optimierung (2021)
    KIT Scientific Publishing
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    Publication Date: 2023-12-20
    Description: In dieser Arbeit wird die automatische Berechnung von Steigungstupeln zweiter und höherer Ordnung behandelt. Die entwickelten Techniken werden in einem Algorithmus zur verifizierten globalen Optimierung verwendet. Anhand von Testbeispielen auf einem Rechner wird der neue Algorithmus mit einem Algorithmus aus der Literatur verglichen.
    Keywords: QA1-939 ; Globale Optimierung ; Automatische Differentiation ; Intervallalgebra ; bic Book Industry Communication::P Mathematics & science
    Language: German
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    From Sperner's Lemma to Differential Equations in Banach Spaces : An Introduction to Fixed Point Theorems and their Applications (2021)
    KIT Scientific Publishing
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    Publication Date: 2023-12-20
    Description: Based on Sperner's lemma the fixed point theorem of Brouwer is proved. Rather than presenting also other beautiful proofs of Brouwer's fixed point theorem, many nice applications are given in some detail. Also Schauder's fixed point theorem is presented which can be viewed as a natural generalization of Brouwer's fixed point theorem to an infinite-dimensional setting. Finally, Tarski's fixed point theorem is applied to differential equations in Banach spaces.
    Keywords: QA1-939 ; Banachräume ; Brouwer ; SchauderFixed points ; Fixpunkt ; Anwendungen ; Banach spaces ; verification methods ; bic Book Industry Communication::P Mathematics & science
    Language: English
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  • 76
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    Über eine Faktorisierungsmethode für stochastische Evolutionsgleichungen in Banachräumen (2021)
    KIT Scientific Publishing
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    Publication Date: 2023-12-20
    Keywords: QA1-939 ; Funktionalanalysis ; Stochastische lineare Differentialgleichung ; Stochastische nichtlineare Differentialgleichung ; bic Book Industry Communication::P Mathematics & science
    Language: German
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    Berichte vom Wiederaufbau der Frauenkirche zu Dresden (2021)
    KIT Scientific Publishing
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    Publication Date: 2024-04-11
    Description: In den Jahren 1993 bis 2005 wurde in Dresden die Frauenkirche wieder aufgebaut. Am Ende der Bauzeit wurden in einer Vortragsreihe in Dresden und Karlsruhe die dabei gewonnenen Einsichten und Erfahrungen wiedergegeben und zur Diskussion gestellt. Die Referenten der Vortragsreihe waren alle unmittelbar und direkt am Wiederaufbau der Frauenkirche beteiligt.Das Buch befasst sich mit Fachfragen, die fachlich korrekt und gleichzeitig verständlich für den baufachlichen Laien wiedergeben werden.
    Keywords: TA1-2040 ; Dokumentation ; Dresden / Frauenkirche ; Wiederaufbau ; Vortragsreihe ; Kirchenbau ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: German
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    Hydraulische Steuerung einer Wasser-Alkohol-Zirkulation mittels Grundwasser-Zirkulations-Brunnen (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Derzeit existiert keine Alternative mit DNAPL kontaminierte Böden hydraulisch sicher und mit hoher Effizienz zu reinigen. Die untersuchte neue in-situ Sanierungstechnologie jedoch verspricht dies: Die Kombination des Verfahrens der Alkohol-Spülung mit der Sanierungstechnik des Grundwasser-Zirkulations-Brunnen (GZB).
    Keywords: TA1-2040 ; Grundwasser ; Chlorkohlenwasserstoffe ; Grundwassersanierung ; Brunnen ; Zirkulation ; Alkohol ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: German
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    Quantitative phase-field model for phase transformations in multi-component alloys (2021)
    KIT Scientific Publishing
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    Publication Date: 2024-04-04
    Description: Phase-field modeling has spread to a variety of applications involving phase transformations.While the method has wide applicability, derivation of quantitative predictions requires deeper understanding of the coupling between the system and model parameters. The book highlights a novel phase-field model based on a grand-potential formalism allowing for an elegant and efficient solution to problems in phase transformations.
    Keywords: QC1-999 ; eutectic ; grand-potential ; solidification ; monotectic ; multi-component ; peritectic ; phase-field ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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    Monitoring the water content evolution of dikes (2021)
    KIT Scientific Publishing
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    Publication Date: 2024-04-04
    Description: The water content evolution of model dikes is monitored with geophysical methods. Water content changes are successfully quantified using electrical resistivity tomography. Numerical simulation of water flow in a dike model is used to estimate the variability of water content. Modeling of synthetic data sets is used to evaluate the quality of resistivity quantification using ERT. An ensemble approach is proposed to improve the interpretation of ERT inversions.
    Keywords: QC1-999 ; electrical resistivity tomography ; modeling ; water content ; hydrogeophysics ; monitoring ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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    Convective precipitation simulated with ICON over heterogeneous surfaces in dependence on model and land-surface resolution (2021)
    KIT Scientific Publishing | KIT Scientific Publishing
    Details
    Publication Date: 2024-04-04
    Description: The impact of land-surface properties like vegetation, soil type, soil moisture, and the orography on the atmosphere is manifold. These features determine the evolution of the atmospheric boundary layer, convective conditions, cloud evolution and precipitation. The impact of model grid spacing and land-surface resolution on convective precipitation over heterogeneous surfaces is investigated using ICOsahedral Nonhydrostatic (ICON) simulations within the framework of the HD(CP)2 project.
    Keywords: ICON ; LES ; Wärme- und Feuchtehaushalt ; HD(CP)2 ; Verdunstungskälte ; Entrainment ; Wolkenaggregation ; LAGRANTO ; Auslösemechanismen der Konvektion ; heat and moisture budgets ; evaporative cooling ; entrainment ; cloud aggregation ; triggering mechanisms of convection ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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    Einfluss von suspendierten und immobilisierten Mikroorganismen auf die Eigenschaften des Kapillarsaumes : Untersuchungen im Rahmen der DFG-Forschergruppe 'Dynamic Capillary Fringes, A Multidisciplinary Approach' (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-04
    Description: Experiments with capillary fringes (CF) in quartz sand were conducted. The respiratory activity, cell growth or the biofilm formation by different soil bacteria in the CF were examined. Highest bacterial activity and cell adsorption on the sand particles were detected between the almost water saturated and unsaturated CF-region. Primarily in this transition zone the bacteria strongly influenced the vertical oxygen diffusion and reduced the hydraulic conductivity due to biological clogging.
    Keywords: QC1-999 ; Biofilmbildung ; Sauerstoff-Diffusionslimitierung ; bakterielle Atmungsaktivität ; Zellbeweglichkeit ; Kapillarsaum ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: German
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  • 83
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    Verantwortung in Technik und Ökonomie (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-03-30
    Description: not yet available
    Description: 'Vertrauen' spielt in fast allen Bereichen menschlichen Lebens eine wichtige Rolle. Von 'Vertrauen' wird gesprochen in Bezug auf Personen, Unternehmen, Institutionen, Technik usw. Es gibt das Urvertrauen, die vertrauensvolle Zusammenarbeit im Betrieb, die Vertrauensfrage im Parlament, den Vertrauensschaden im Recht. Der Band "Vertrauen - zwischen sozialem Kitt und der Senkung von Transaktionskosten" soll die Bandbreite der Thematik aufzeigen und der Frage nach dem 'Vertrauen' in ausgewählten Wissenschaften nachgehen.
    Keywords: history of technology ; ethics of business ; technikgeschichte ; umweltgeschichte ; wirtschaftsethik ; Ethik ; thema EDItEUR::K Economics, Finance, Business and Management::KJ Business and Management::KJG Business ethics and social responsibility ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: German
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  • 84
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    Untersuchung des elektronischen Oberflächenzustands von Ag-Inseln auf supraleitendem Niob(110) (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-04
    Description: Im Rahmen dieser Arbeit wurden Ag-Inseln auf supraleitendem Niob(110) mit Hilfe der Rastertunnelmikroskopie untersucht. Die Ag-Inseln weisen einen elektronischen Oberflächenzustand auf, welcher durch die mechanische Verspannung modifiziert wird und ein Abbilden der lokalen mechanischen Verspannung bzw. Dehnung auf Nanometerskala ermöglicht. Es wurde weiterhin untersucht, inwiefern das zweidimensionale Elektronengas supraleitende Eigenschaften aufgrund des Proximity-Effekts erhält.
    Keywords: QC1-999 ; Rastertunnelmikroskopie ; Oberflächenzustand ; Proximity Effekt ; mechanische Verspannung ; Supraleitung ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: German
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  • 85
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    Quantum Sensing Experiments with Superconducting Qubits (2021)
    KIT Scientific Publishing | KIT Scientific Publishing
    Details
    Publication Date: 2024-04-04
    Description: Quantum sensing is a vast and emerging field enabling in-situ studies of quantum systems and hence the development of quantum hybrid systems. This work creates the fundament of direct superconducting-magnetic hybrid systems by developing a local microwave sensing scheme and studying the influence of a static magnetic field on a superconducting qubit. Finally, a proof-of-principle hybrid system is demonstrated, which opens the path towards superconducting-magnetic quantum circuits.
    Keywords: Quantensensorik ; Supraleitung ; Quantenbits ; Tieftemperaturphysik ; Hybridsysteme ; Quantum sensing ; superconductivity ; quantum bits ; low temperature physics ; hybrid systems ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 86
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    Cross (CLT) and diagonal (DLT) laminated timber as innovative ma-terial for beam elements (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Cross laminated timber (CLT) is a plate-like multi layer element with crosswise arrangement of lamellas. CLT could be used for long-span beams in particular with tensile stresses perpendicular to the beam axis. Within this work, CLT beams were optimised, resulting in diagonal orientated timber (DLT). Both CLT and DLT beams were tested in edgewise bending. Their load-carrying behaviour was studied using experimental results and finite element analysis.
    Keywords: TA1-2040 ; Cross laminated timber ; Diagonal laminated timber ; CLT ; DLT ; Diagonal oriented timber ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: English
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  • 87
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    Mechanismen der Auslösung hochreichender Konvektion im südwestdeutschen Mittelgebirgsraum (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-04
    Description: The study discusses the occurrence of precipitation induced by deep convection in Germany's southwestern low mountain range in summer of 2007. Based on statistical methods and a case study, the mechanisms triggering the precipitation are described. The complex terrain proved to be a significant factor (divergent flow regimes), among others.
    Keywords: QC1-999 ; precipitation ; Konvektion ; Niederschläge ; Mittelgebirge ; deep convection ; Konvektionsauslösung ; low mountain range ; Gewitter ; thunderstorm ; deep convection initiation ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: German
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  • 88
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    p-adische Rankin-Selberg-Faltungen (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2023-12-20
    Description: Das Studium spezieller Werte von L-Funktionen hat eine lange Geschichte in der Zahlentheorie, welche bis zu Kummer und Euler zurückgeht. Gegenstand dieser Arbeit ist das Studium spezieller Werte von Rankin-Selberg-Faltungen kohomologischer cuspidaler automorpher Darstellungen auf GL(n) und GL(n-1) über einem beliebigen Zahlkörper und eine hieraus abgeleitete Konstruktion eines p-adischen Maßes, welches im Sinne Mazurs einer p-adischen L-Funktion entspricht.
    Keywords: QA1-939 ; Rankin-Selberg-Faltungen ; lokale Zeta-Integrale ; p-adische Interpolation ; modulare Symbole ; automorphe L-Funktionen ; bic Book Industry Communication::P Mathematics & science
    Language: German
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  • 89
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    Zur Rheologie und den physikalischen Wechselwirkungen bei Zementsuspensionen (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Gegenstand dieses Buches ist die Untersuchung des Fließverhaltens von Zementsuspensionen. Hierbei wird insbesondere auf die dem Fließverhalten zugrundeliegenden Mechanismen der Partikelwechselwirkung eingegangen. Auf dieser Grundlage wird ein Materialmodell vorgestellt, dass es gestattet, das rheologische Verhalten von Zementleimen unter Kenntnis ausgewählter Zementparameter vorherzusagen.
    Keywords: TA1-2040 ; Beton ; Bauwesen ; Suspension ; Rheologie ; Zement ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: German
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  • 90
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    Spaltversagen von Holz in mehrreihigen Verbindungen - Erweiterung des Rechenmodells für die Rissbildung beim Eindrehen von Holzschrauben (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Ein bestehendes Rechenmodell zur Abschätzung der Rissbildung im Holz beim Eindrehen einer selbstbohrenden Holzschraube wurde so erweitert, dass das Spaltverhalten für unterschiedliche Schraubenbilder ermittelt werden kann. Die resultierenden Rissflächen können für mehrere, faserparallel hintereinander angeordnete Schrauben in Abhängigkeit unterschiedlicher Abstände und Holzdicken berechnet werden. Des Weiteren wurde das Modell auf Anschlüsse mit mehreren Schraubenreihen übertragen.
    Keywords: TA1-2040 ; Rechenmodell ; Holzschrauben ; Holzbau ; Verbindungen ; Spaltversagen ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: German
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  • 91
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    Development of an Air Coil Superconducting Fault Current Limiter (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-04
    Description: Electrical power grids are the lifeline of technical infrastructure and fundamental for industry and modern lives. Fault Currents can disrupt the continuous supply of electrical energy, cause instable grid conditions and damage electrical equipment. The Air Coil Superconducting Fault Current Limiter (AC-SFCL) is a measure to effectively limit fault currents. The concept is investigated and proven experimentally by designing, building and successfully testing a 60 kV, 400 V, z = 6% demonstrator.
    Keywords: QC1-999 ; Netzsicherheit ; energy supply ; EnergieversorgungSuperconductivity ; Kurzschlussstrombegrenzung ; Drosselspule ; fault current limitation ; power grids ; Supraleitung ; air coil ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 92
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    Organisation der Bauproduktion nach dem Vorbild industrieller Produktionssysteme : Entwicklung eines Gestaltungsmodells eines Ganzheitlichen Produktionssystems für den Bauunternehmer (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Im Bauwesen wurde Mitte der 90er Jahre begonnen, singuläre Gestaltungsprinzipien und Methoden der Lean Production zu adaptieren sowie neue bauspezifische Methoden zu entwickeln (Lean Construction). In der vorliegenden Arbeit werden die bisweilen einzeln betrachteten Methodenbausteine zu einem Ganzheitlichen Produktionssystem Modell für Bauproduktions-Unternehmen zusammengeführt und vervollständigt. Dieses Bau-PSM ist ein Ordnungsrahmen für die Transformation in ein ""leanes"" Bauunternehmen.
    Keywords: TA1-2040 ; Lean Management ; Produktionssysteme ; Lean Construction ; Baubetrieb ; Bauorganisation ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: German
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  • 93
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    Numerische Integration von Satellitenbahnen unter Berücksichtigung der Anisotropie des Gravitationsfeldes der Erde (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-04
    Description: The present investigation deals with the numerical integration of satellite orbits. As the major contribution to the forces acting on an earth orbiting satellite the anisotropic part of the gravitational field of the earth is given special consideration. The equations of motion are described by a system of first order ordinary differential equations in cartesian earth-fixed coordinates. The main point of the problem is the computation of the gradient of the gravitational potential in the earth-fixed system and the subsequent transformation into the celestial system. The steps which are necessary for this purpose are described in detail. The gravitational potential is approximated by a spherical harmonic expansion of degree and order 360. On this basis a MATLAB program was developed. Several methods for the integration of the equations of motion, available in the MATLAB toolbox, are tested and compared. The comparisons are carried out for two different satellite orbit types, a near-earth orbiting satellite and a high altitude GPS satellite. The final computations are made with the multistep method (predictor-corrector) using the routine ode113 of ""The MATLAB Ode Suite"". The resulting orbital disturbances are represented as disturbances in the time-dependent corresponding Keplerian orbit elements.
    Keywords: QC1-999 ; Umlaufbahn ; Anisotropes Gravitationsfeld ; Anisotropie ; Erde ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: German
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    Techniknostalgie und Retrotechnologie (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-04
    Description: not yet available
    Description: Nostalgie wurde bisher als allgemeine kulturelle Erscheinung, aber kaum in ihrer Relation zur technologischen Entwicklung betrachtet. Der Band enthält neben Beiträgen zur Relevanz von alten Technologien Analysen zu drei technischen Feldern: Mobilität (Auto und Bahn), Architektur und Städtebau (reale und virtuelle Retro-Räume, Historismen in Konstruktion und Design sowie postapokalyptische nostalgiegeladene Utopien) und technische Medien (Photographie, Film und Videospiele).
    Keywords: history of technology ; cultural studies ; techniknostalgie ; technikgeschichte ; kulturwissenschaft ; Architektur ; Retrowelle ; thema EDItEUR::P Mathematics and Science::PD Science: general issues::PDR Impact of science and technology on society ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: German
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    Local Investigation of Single Magnetic Molecules with Scanning Tunneling Microscopy (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-04
    Description: We worked on different magnetic molecules containing 3d and 4f magnetic centers. Their growth on metallic surfaces, topographies, spin states, magnetic properties and electron transport were locally investigated by using scanning tunneling microscopy (STM) at temperatures down to 30mK. The main achievement of this dissertation reveals the abrupt switching of crystal fields during formation of molecular contacts.
    Keywords: QC1-999 ; Rastertunnelmikroskopie ; inelastic excitation ; molecular contact ; molekularer Kontakt ; einzelnes magnetisches Molekül ; single magnetic molecule ; Spinzustand ; scanning tunneling microscopy ; spin state ; unelastische Erregung ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 96
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    Lexikon zur Kernenergie. Ausgabe Juli 2013 (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-04
    Description: The scope of the Glossary of Nuclear Terms (Lexikon zur Kernenergie) is intended to focus on the key terms concerning the public debate about the peaceful use of nuclear energy, in order to explain the meanings of technical terms that may be unfamiliar to many people.
    Keywords: QC1-999 ; Kerntechnik ; Radioaktivität ; Strahlenschutz ; Dosimetrie ; Reaktortechnik ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: German
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  • 97
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    Schulbildung für Mädchen im ländlichen Süden Malis : Analyse der sozialen und ökonomischen Voraussetzungen am Beispiel der Gemeinde Siby = Scolarisation des filles dans la région rurale au sud du Mali : analyse des conditions sociales et économiques en prenant l'exemple de la commune de Siby (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Die Voraussetzungen für Schulbildung von Mädchen im ländlichen Westafrika werden hinsichtlich Sozialstatus von Frauen und Investitionsverhalten einer Subsistenzgesellschaft basierend auf qualitativen und quantitativen Daten analysiert und an einem konkreten Beispiel beleuchtet. = Basées sur des données qualitatives et quantitatives, les conditions de scolarisation des filles en Afrique de l'ouest rural sont analysées par rapport au statut social des femmes et au comportement d'investissement d'une société de subsistance et illustrées par un exemple concret.
    Keywords: TA1-2040 ; Investitionsverhalten = Afrique de l'ouest ; soziale Stellung ; Bildung ; comportement d'investissement ; éducation ; Westafrika ; situation sociale ; Feldforschung ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: German
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  • 98
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    Einfluss von Bäumen auf die Durchlüftung von innerstädtischen Straßenschluchten (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-11
    Description: Die Auswirkungen von Baumpflanzungen auf die Durchlüftung von innerstädtischen Straßenzügen wurden in Windkanalexperimenten und in numerischen Simulationen untersucht. Die Baumpflanzungen führten zu geringeren Windgeschwindigkeiten und höheren verkehrsbedingten Schadstoffbelastungen aufgrund eines verminderten Luftaustausches mit der Umgebung. Ein Modell zur Bestimmung der Auswirkungen von Baumpflanzungen auf die verkehrsbedingte Schadstoffbelastung in Straßenschluchten wurde entwickelt.
    Keywords: TA1-2040 ; Baumpflanzungen ; Windkanal ; Straßenschluchten ; Schadstoffausbreitung ; Verkehrsemissionen ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Language: German
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  • 99
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    Claus Köpcke 1831-1911 : Netzwerke; Biographie eines Ingenieurs (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-04
    Description: Der 100. Todestag von Claus Köpcke ist Anlass der Monografie. Vom Alten Land über Hannover und Berlin führt sein Weg ans sächsische Finanzministerium, wo er für den Ausbau des Eisenbahnnetzes verantwortlich ist. Parallel zu J.W. Schwedler berechnet er versteifte Hängebrücken als Dreigelenksystem, das er dem ""Blauen Wunder"" in Dresden zugrunde legt. Gutachten zur Wuppertaler Schwebebahn, zu Schmalspurbahnen, Patente, Glockenstühle und mehr als 50 Beiträge in Fachzeitschriften zählen zum Werk.
    Keywords: QC1-999 ; Ingenieurausbildung ; Gründerzeit ; Eisenbahnbau ; Glockenstühle ; Brückenbau ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: German
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  • 100
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    Veech Groups and Translation Coverings (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2023-12-20
    Description: A translation surface is obtained by taking plane polygons and gluing their edges by translations. We ask which subgroups of the Veech group of a primitive translation surface can be realised via a translation covering. For many primitive surfaces we prove that partition stabilising congruence subgroups are the Veech group of a covering surface. We also address the coverings via their monodromy groups and present examples of cyclic coverings in short orbits, i.e. with large Veech groups.
    Keywords: QA1-939 ; cyclic covering ; monodromy group ; Kongruenzgruppe ; zyklische Überlagerung ; Translationsüberlagerung ; translation coveringVeechgruppe ; congruence subgroup ; Monodromiegruppe ; Veech group ; bic Book Industry Communication::P Mathematics & science
    Language: English
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