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  • 1
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    Cappelen Damm Akademisk/NOASP (Nordic Open Access Scholarly Publishing)
    Publication Date: 2024-04-04
    Description: The Stone Age in Southeastern Norway. The Academic Program for Stone Age Research at the Museum of Cultural History comprises a general overview of excavations, carried out between 2000–2017, of 430 sites, graves, depots, hunting pits and other sites, and presents a broad and updated report on the status of research relating to the Stone Age (c. 9500–1700 BC) in the region.Insufficient knowledge has been the impetus for identification of four main areas for concerted prospective effort:• Technology• Settlement and land use• Subsistence and economy• Rituals and their practiceAlso presented in this program for Stone Age research are concrete strategies and initiatives that will contribute to filling in these knowledge gaps, advancing the field, and laying foundations for further research.The Stone Age in Southeastern Norway has been written with researchers, managers of cultural heritage and students in mind, as well as all others interested in a deep dive into our earliest history. This book will be an important reference for planning and carrying out future Stone Age excavations under the museum’s aegis. It will also serve as a foundation for guidelines the museum provides regarding conservation of our oldest cultural heritage.; Steinalderen i Sørøst-Norge. Faglig program for steinalderundersøkelser ved Kulturhistorisk museum inneholder en helhetlig oversikt over utgravinger av 430 boplasser, begravelser, depoter, fangstanlegg m.m. fra år 2000 til 2017, og presenterer en bred og oppdatert redegjørelse for forskningsstatus knyttet til steinalderen (ca. 9500–1700 f.Kr.) i regionen.I presentasjonen av forskningsstatus synliggjøres ikke bare det vi vet per i dag, men også betydelige kunnskapshull. Den manglede kunnskapen har dannet utgangspunkt for formuleringen av fire framtidige satsingsområder:- Teknologi- Bosetning og landskapsbruk- Ressursgrunnlag og økonomi- Ritualer og ritualisert praksisI dette faglige programmet for steinalderundersøkelser presenteres konkrete forslag til strategier og tiltak som vil bidra til å tette disse kunnskapshullene, skape faglig utvikling og danne grunnlag for videre forskning.Steinalderen i Sørøst-Norge er skrevet for forskere, forvaltere, studenter og andre som vil gjøre dypdykk i vår eldste forhistorie. Boken vil være et viktig verktøy for planlegging og gjennomføring av kommende steinalderutgravninger ved Kulturhistorisk museum. Den vil også danne et grunnlag for de rådene museet gir i forbindelse med forvaltningen av våre eldste kulturminner.
    Keywords: The Stone Age ; Academic Program ; Museum of Cultural History ; Southeastern Norway ; Steinalderen ; faglig program ; Kulturhistorisk museum ; Sørøst-Norge ; thema EDItEUR::N History and Archaeology::NK Archaeology::NKD Archaeology by period / region ; thema EDItEUR::3 Time period qualifiers::3B Prehistory ; thema EDItEUR::N History and Archaeology::NK Archaeology::NKX Archaeological science, methodology and techniques
    Language: Norwegian
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    Format: image/jpeg
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  • 2
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Journal of agricultural and food chemistry 28 (1980), S. 1344-1344 
    ISSN: 1520-5118
    Source: ACS Legacy Archives
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Journal of the American Chemical Society 117 (1995), S. 5089-5104 
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Calcified tissue international 52 (1993), S. 460-464 
    ISSN: 1432-0827
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine , Physics
    Notes: Summary Young male rats (100 g body weight) were fed diets containing varying amounts of calcium. Body weight and bone development were studied together with various endocrine parameters, including blood levels of Ca2+, calcitonin, parathyroid hormone, vitamin D, and gastrin, and the enterochromaffin-like (ECL) cell-related parameters gastric mucosal histidine decarboxylase activity and histamine concentration. A diet containing 0.5% calcium resulted in ontimum body weight gain and bone development. A lower calcium intake impaired body weight gain and bone development. The impairment was manifested in reduced bone calcium content whereas the size of the bones was unaffected. The net absorption of calcium seemed to be proportional to the calcium intake. A low calcium diet (0.03%) raised the circulating levels of 1,25(OH)2D and parathyroid hormone and lowered 25(OH)D3 and Ca2+, whereas a high calcium diet (5.46%) raised calcitonin, Ca2+, 25(OH)D3, and 1,25(OH)2D. In addition, the low calcium diet lowered the circulating gastrin concentation and the histidine decarboxylase activity and histamine content of the ECL cells in the gastric mucosa. A high calcium diet raised the circulating gastrin concentration, but the rise was not associated with an increase in the histidine decarboxylase activity and histamine content.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 66 (1989), S. 4736-4742 
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A constitutive model is developed for the shock Hugoniot of porous materials in the incomplete compaction regime. The model is based on a comparison between the shock compaction and quasi-isostatic compaction and utilizes empirical data of material strength and compaction characteristics. The model requires only well-documented material constants as inputs. It accurately predicts porous Hugoniots for a wide range of materials.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 69 (1998), S. 1188-1190 
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: The requirements for negative ion sources designed for accelerator mass spectrometry (AMS) are, e.g., a high and stable beam current, a high efficiency, a low memory effect, and a quick system for switching between different samples. For the AMS program at the Lund 3 MV Pelletron tandem accelerator a new caesium sputtering source was constructed and installed a few years ago. Some new mechanical features of the source, as well as tests of how well the requirements are fulfilled are reported. © 1998 American Institute of Physics.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 65 (1989), S. 3852-3856 
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: An empirical equation of state is proposed for accurate extrapolation of high-pressure shock Hugoniot states to other thermodynamic states. The proposed equation of state complements the Mie–Grüneisen equation of state and allows extrapolating a reference state to much different energy states where knowledge of the Grüneisen function is still uncertain. Examples are given of extrapolations of porous Hugoniots from corresponding solid Hugoniot data.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    International journal of earth sciences 76 (1987), S. 389-406 
    ISSN: 1437-3262
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Description / Table of Contents: Abstract Three reddish granites from the Gneiss Complex of south-western Sweden have been dated with the U-Pb and one of them also with the Rb-Sr method. The Gneiss Complex consists of two mega-units separated by a tectonic discontinuity. The two granites from the western mega-unit (»the Western Gneiss Segment«) yield zircon upper-intercept ages of 1552 −36 +38 and 1499 −36 +36 Ma (2σ). These ages are minimum estimates of the intrusion ages, but the difference between the obtained and the true age is probably small. This assumption is based on studies of the morphology and internal structures of the zircons and also on air abrasion experiments. The third granite is located in the eastern mega-unit (the »Eastern Gneiss Segment«) and forms a number of small massifs, 50 m in diameter. The U-Pb and Rb-Sr ages agree within the limits of the errors — 1140 −52 +54 Ma (upper intercept) and 1104 ± 100 Ma, respectively — but the obtained age is nevertheless dubious. Thin-section studies reveal that the zircons are heterogeneous with different types of material making up the inner and outer parts. Electron-microscopic studies as well as air abrasion and leaching experiments were performed to establish possible differences in age and chemistry between the inner and outer parts. The central parts are made up of almost pure ZrSiO4 whereas the outer parts are layered with alternating pure ZrSiO4 layers and layers rich in trace elements. The leaching and air abrasion data do not indicate any age difference between the inner and outer parts. This supports the validity of the upper-intercept age as an intrusion age. The Rb-Sr age is questionable since the obtained initial87Sr/86Sr ratio is as low as 0.7027. This cannot possibly be true for a felsic, late Proterozoic granite. A plausible explanation could be a rotation of the isochron due to migration of Rb and Sr during a low-grade event. This event is also responsible for the alteration of the biotites and plagioclases. These data provide additional evidence for extensive ensialic magmatism in the period succeeding the lithosphere-forming event.
    Abstract: Résumé Trois granites rougeâtres provenant du complexe gneissique du sud-ouest de la Suède ont été datés par la méthode U-Pb et, pour l'un d'entre eux, également par la méthode Rb-Sr. Le complexe gneissique consiste en deux grandes unités séparées par une discontinuité tectonique. Les zircons de deux granites provenant de l'unité occidentale (»Western Gneiss Segment«) fournissent des âges (intersection supérieure) de 1552 −36 +38 et 1499 −36 +36 Ma (2σ). Ces âges constituent des estimations minimales des âges d'intrusion, la différence entre l'âge mesuré et l'âge véritable étant probablement minime. Cette supposition se base sur l'étude de la morphologie et des structures internes des zircons, ainsi que sur des expériences d'abrasion à l'air. Le troisième granite est situé dans l'unité orientale (»Eastern Gneiss Segment«) et se présente en plusieurs massifs d'une cinquantaine de mètres de diamètre. Les âges U-Pb et Rb-Sr coÏncident dans les limites des erreurs (1140 −52 +54 (point d'intersection supérieur) et 1104±100 Ma) l'âge obtenu étant néanmoins incertain. L'étude en coupes minces montre que les zircons sont hétérogènes, leurs parties centrales et périphériques présentant des constitutions différentes. Des examens au microscope électronique, ainsi que des essais d'abrasion à l'air et de corrosion à l'acide ont eté effectués afin de mettre en évidence des différences éventuelles d'âge et de composition chimique entre les parties contrales et périphériques. Tandis que les parties centrales consistent en ZrSiO4 pratiquement pur, les parties extérieures se composent de couches de ZrSiO4 pur alternant avec des couches contenant de multiples éléments en traces. Les données obtenues sur les grains corrodés à l'acide ou soumis à une abrasion à l'air n'indiquent cependant pas de différence d'âge entre les parties centrales et périphériques. Ceci confirme la validité de l'âge obtenu (point d'intersection supérieur) comme âge d'intrusion. L'âge Rb-Sr est douteux, étant donné que le rapport initial87Sr/86Sr n'est que de 0,7027, valeur improbable pour un granite felsique du ProtérozoÏque supérieur. Il paraÎt raisonnable de supposer une rotation de l'isochrone, due à une migration de Rb et Sr durant un événement à basse température. Cet événement serait également responsable de l'altération des biotites et des plagioclases. Ces données fournissent un argument supplémentaire en faveur d'un magmatisme ensialique pendant la période qui suit la formation de la lithosphère.
    Notes: Zusammenfassung Drei rötliche Granite aus dem Südwestschwedischen Gneiskomplex sind mit der U-Pb Methode und einer davon zusätzlich mit der Rb-Sr Methode datiert worden. Der Gneiskomplex besteht aus zwei Haupteinheiten, die tektonisch voneinander getrennt sind. Zwei Granite aus der westlichen Haupteinheit (dem sogenannten »Western Gneiss Segment«) ergeben obere Schnittpunktsalter der Zirkone von 1552 −36 +38 bzw. 1499 −36 +36 Ma (2σ). Diese Alter stellen Minimumalter für die Instrusionen dar, die nur geringfügig jünger sind als die wahren Instrusionsaltern. Diese Vermutung stützt sich auf Untersuchungen der Morphologie und der internen Struktur der Zirkone sowie auf Experimente mit Hilfe der Luftabriebstechnik (air abrasion technique). Der dritte Granit stammt aus der östlichen Haupteinheit (dem sogenannten »Eastern Gneiss Segment«), in der er kleine Körper von etwa 50 m Durchmesser bildet. Die U-Pb und Rb-Sr Alter von 1140 −52 +54 Ma (oberer Schnittpunkt), bzw. 1104 ± 100 Ma stimmen innerhalb des Fehlers überein. Trotzdem ist dieses Alter fragwürdig. Dünnschliffuntersuchungen zeigen, da\ die Zirkone heterogen sind, und da\ Rand und Kern unterschiedlich zusammengesetzt sind. Um Unterschiede in Alter und Chemismus zwischen Rand und Kern festzustellen, wurden Untersuchungen mit dem Elektronenmikroskop, Luftabriebsexperimente und Anätzexperimente durchgeführt. Die Kerne bestehen fast aus reinem ZrSiO4, wogegen die äu\eren Ränder aus Wechsellagerungen von reinem ZrSiO4 und Lagen mit hohem Spurenelementgehalt bestehen. Die Anätzversuche und die Luftabriebsexperimente brachten keinen Altersunterschied zwischen Rand und Kern. Diese Tatsachen sprechen dafür, da\ das obere Schnittpunktsalter dem Instrusionsalter entspricht. Das Rb-Sr Alter ist fragwürdig, zumal das87Sr/86Sr-Initialverhältnis einen sehr niedrigen Wert von 0,7027 aufweist, der für einen spätproterozoischen Granit viel zu niedrig ist. Eine mögliche Erklärung ist die Rotation der Isochrone wegen einer Migration von Rb und Sr während eines Ereignisses bei niedriger Temperatur, ein Ereignis, das auch für die Umwandlung von Biotit und Plagioklas verantwortlich zu sein scheint. Die oben aufgeführten Daten geben zusätzliche Hinweise für einen sialischen Magmatismus im Zeitraum des fortschreitenden Ereignisses der Bildung der Lithosphäre.
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Hydrobiologia 86 (1982), S. 161-164 
    ISSN: 1573-5117
    Keywords: flavour ; geosmin ; 2-methylisoborneol ; Oscillatoroa agardhii ; actinomycetes ; hypereutrophy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The results of a 4-year study in a hypereutrophic bay, Kaupunginselkä Bay at Porvoo on the south coast of Finland, indicated a significant correlation between muddy odour in bream (Abramis brama) and the amount of the blue-green alga Oscillatoria agardhii in the phytoplankton. This algal strain has previously been shown to produce the muddy-smelling compound geosmin. The numbers of muddy-smelling actinomycetes in the water and sediments of the study area were not clearly related to muddy odour in fish, nor to phytoplankton biomass. In the hypereutrophic L. Tuusulanjärvi, muddy odour in bream and pikeperch (Stizostedion lucioperca) was also related to the amounts of blue-green algae in the phytoplankton.
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  • 10
    ISSN: 1573-4943
    Keywords: Enzymatic cleavage ; fusion protein ; parathyroid hormone ; thrombin ; H64A subtilisin
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract Human parathyroid hormone, hPTH, an 84 amino acid polypeptide, was produced intracellularly inEscherichia coli as a fusion protein, linked to the C-terminus of a 15 kD IgG-binding protein. Approximately 100 mg fusion protein was obtained per liter fermentation medium. To test the efficiency of two alternative enzymatic cleavage methods, two fusion proteins differing only in the linker region were constructed. Cleavage of a Phe-Phe-Pro-Arg linker was obtained with bovine thrombin and cleavage of a Phe-Ala-His-Tyr linker with recombinant H64A subtilisin. Both enzmes yielded the correct N-terminus and cleaved their respective linkers quantitatively, although additional internal cleavage sites in hPTH were detected and characterized. The linker cleavage conditions were optimized and hPTH was purified to homogeneity. Thrombin cleavage resulted in a final yield of 5 mg hPTH/L, while H64A subtilisin cleavage was more specific and gave 8 mg/L. The purified recombinant product was identical to native hPTH and exhibited full biological activity in an adenylate cyclase assay.
    Type of Medium: Electronic Resource
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