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  • thema EDItEUR::P Mathematics and Science::PD Science: general issues  (22)
  • thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TJ Electronics and communications engineering::TJK Communications engineering / telecommunications::TJKW WAP (wireless) technology  (15)
  • thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TT Other technologies and applied sciences::TTD Space science::TTDS Astronautics  (14)
  • bic Book Industry Communication::J Society & social sciences::JK Social services & welfare, criminology::JKS Social welfare & social services::JKSW Emergency services::JKSW3 Ambulance & rescue services  (9)
  • CO2
  • InTechOpen  (58)
  • Leiden University Press  (2)
  • English  (60)
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  • English  (60)
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  • 1
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    Chapter Pumped-Storage and Hybrid Energy Solutions Towards the Improvement of Energy Efficiency in Water Systems (2021)
    InTechOpen
    Details
    Publication Date: 2024-04-11
    Description: Communications engineering / telecommunications
    Keywords: Technology, engineering, agriculture ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TJ Electronics and communications engineering::TJK Communications engineering / telecommunications::TJKW WAP (wireless) technology
    Language: English
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  • 2
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    Chapter 8 Computational Modelling of the Steps Involved in Photodynamic Therapy (2021)
    InTechOpen | Molecular Photochemistry - Various Aspects
    Details
    Publication Date: 2024-04-04
    Description: Photodynamic therapy (PDT) is a branch of phototherapy that has seen a surge of interest in the last few decades, due to its potential in the treatment of various cancers, infections and heart disease.(Bonnett, 2000) This chapter aims to give an overview of the various photochemical steps involved in PDT as a cancer therapy, and in particular the challenges and insight gained from their theoretical description. After a brief review of PDT in general, in a biological and chemical context, the photochemical steps involved will be discussed, detailing the computational techniques required to model these chemical pathways theoretically. We will detail the methodologies that can currently be applied, as well as their limitations of use at present, and areas requiring further development.
    Keywords: computational modelling ; photodynamic therapy ; computational modelling ; photodynamic therapy ; Electron ; Excited state ; Ground state ; Molecule ; Multi-configurational self-consistent field ; Pacific Time Zone ; Photosensitizer ; Porphyrin ; Wave function ; thema EDItEUR::P Mathematics and Science::PD Science: general issues
    Language: English
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  • 3
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    Chapter 5 Plasma Modified Textiles for Biomedical Applications (2021)
    InTechOpen | Advances in Bioengineering
    Details
    Publication Date: 2024-04-04
    Description: In the textile market industry, technical textiles are one of the fastest growing businesses. Part of that industry consists of textiles for medical and healthcare applications and are responsible for a continuous increase in its market potential [1]. Next to their need in hospital environments, there is a growing demand in other sectors such as the food and hotel industry, due to stricter hygiene regulations. In most cases biomedical textile meets a well-defined set of requirements such as minimizing non-specific protein adsorption, drug delivery coatings or the presence of active functional coatings and most importantly excellent biocompatibility (blood-, tissue-or cyto-compatibility) [2]. In general there are very few materials meeting all these characteristics, while at the same time offering the needed structural and mechanical properties. Furthermore, depending on the application, the production process has to be cost-effective and approved by local legislation.
    Keywords: plasma modified textiles ; biomedicine ; plasma modified textiles ; biomedicine ; Blood plasma ; Electrospinning ; Nonwoven fabric ; Surface modification of biomaterials with proteins ; Tissue engineering ; thema EDItEUR::P Mathematics and Science::PD Science: general issues
    Language: English
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  • 4
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    Chapter Optical Wireless and Millimeter Waves for 5G Access Networks (2021)
    InTechOpen
    Details
    Publication Date: 2024-04-11
    Description: Growing bandwidth demands are driving the search for increased network capacity leading to the exploration of new wavelength ranges for future communication systems. Therefore, we consider two technologies that offer increased transmission bandwidths by virtue of their high carrier frequencies, namely optical wireless and millimeter-wave transmission. After highlighting the relevant electromagnetic (EM) spectrum region, we briefly describe the applications and properties of each approach coupled with a short history of their development. This is followed by a performance comparison in two possible 5G links: outdoor point-to-point and indoor hotspots. We find that in both cases, there are regions where optical wireless communications (OWC) are better, but others where millimeter waves are to be preferred. Specifically, the former outperforms the latter over distances up to approximately 50 meters outdoors and a 10-meter hotspot radius indoors.
    Keywords: optical wireless communications (OWC), visible light communications (VLC), free space optics, infrared (IR) communications, millimeter-wave communications, 5G access ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TJ Electronics and communications engineering::TJK Communications engineering / telecommunications::TJKW WAP (wireless) technology
    Language: English
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  • 5
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    Chapter On Efficiency of ARQ and HARQ Entities Interaction in WiMAX Networks (2021)
    InTechOpen
    Details
    Publication Date: 2024-04-14
    Description: Space science
    Keywords: Technology, engineering, agriculture ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TT Other technologies and applied sciences::TTD Space science::TTDS Astronautics
    Language: English
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  • 6
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    Chapter Adaptive Automation and the Third Pilot (2021)
    InTechOpen
    Details
    Publication Date: 2024-04-14
    Description: Currently, automation does not take into consideration the cognitive and emotional state of the crew. Rather, automation provides assistance based on explicit and static task assignments, with no adaptive capabilities, even though it is capable of providing higher or lower levels of support depending on the crew state and/or complexity of the operational situation. This chapter presents a new adaptive automation concept which offers an innovative ‘team’ centred approach to solving crew awareness/workload management problems and enhancing flight safety. Partnership underpins the ‘Third Pilot’ approach. The crew (pilot flying and pilot monitoring), automation and the ‘Third Pilot’ are in charge together. Overall, partnership is proposed. This replaces existing paradigms involving dynamic changes in control function, where changes can be autonomously controlled by the system. Moreover, a new multimodal cockpit concept is advanced providing enhanced assessment of crew state/workload.
    Keywords: adaptive automation, teamwork, workload, human factors, situation awareness, pilot decision making, stakeholder evaluation, cockpit ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TT Other technologies and applied sciences::TTD Space science::TTDS Astronautics
    Language: English
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  • 7
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    Chapter Optical fibers and optical fiber sensors used in radiation monitoring (2021)
    InTechOpen
    Details
    Publication Date: 2024-04-11
    Description: Communications engineering / telecommunications
    Keywords: Technology, engineering, agriculture ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TJ Electronics and communications engineering::TJK Communications engineering / telecommunications::TJKW WAP (wireless) technology
    Language: English
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  • 8
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    Chapter 9 Poisson Noise Removal in Spherical Multichannel Images: Application to Fermi Data (2021)
    InTechOpen | Wavelet Transforms and Their Recent Applications in Biology and Geoscience
    Details
    Publication Date: 2024-04-04
    Description: The Fermi Gamma-ray Space Telescope, which was launched by NASA in June 2008, is a powerful space observatory which studies the high-energy gamma-ray sky Atwood (2009). Fermi’s main instrument, the Large Area Telescope (LAT), detects photons in an energy range between 20 MeV to greater than 300 GeV. The LAT is much more sensitive than its predecessor, the EGRET telescope on the Compton Gamma Ray Observatory, and is expected to find several thousand gamma-ray point sources, which is an order of magnitude more than its predecessor EGRET Hartman et al. (1999).
    Keywords: spherical ; poisson noise removal ; spherical ; poisson noise removal ; Algorithm ; Curvelet ; Fermi Gamma-ray Space Telescope ; Gamma ray ; HEALPix ; Shot noise ; Standard deviation ; Wavelet ; thema EDItEUR::P Mathematics and Science::PD Science: general issues
    Language: English
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  • 9
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    Chapter 11 Photoacoustics — A Novel Tool for the Study of Aquatic Photosynthesis (2021)
    InTechOpen
    Details
    Publication Date: 2024-04-04
    Description: The photoacoustic method allows direct determination of the energy-storage efficiency of photosynthesis by relating the energy stored by it to the total light energy absorbed by the plant material (Canaani et al., 1988; Malkin & Cahen, 1979; Malkin et al., 1990). These authors applied the photoacoustic method to leaves in the gas phase, where brief pulses caused concomitant pulses of oxygen that caused a pressure transient detected by a microphone. This method is based on the conversion of absorbed light to heat. Depending on the efficiency of the photosynthetic system, a variable fraction of the absorbed light energy is stored, thereby affecting the heat evolved and the resulting photoacoustic signal. The higher the photosynthetic efficiency, the greater will be the difference between the stored energy with and without ongoing photosynthesis (Cha & Mauzerall, 1992). These authors collected microalgal cells onto a filter and studied them by an approach similar to that previously used with leaves. In both cases, the oxygen signal is combined with that of thermal expansion resulting from conversion of the fraction of the light energy in the pulse that is not stored by photochemistry.
    Keywords: photosynthesis ; photoacoustics ; photosynthesis ; photoacoustics ; Algae ; Chlorophyll ; Nannochloropsis ; Phaeodactylum tricornutum ; Thermal expansion ; thema EDItEUR::P Mathematics and Science::PD Science: general issues
    Language: English
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  • 10
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    Chapter Tool-Based Design and Evaluation of Resilient Flight Control Systems (2021)
    InTechOpen
    Details
    Publication Date: 2024-04-11
    Description: Communications engineering / telecommunications
    Keywords: Technology, engineering, agriculture ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TJ Electronics and communications engineering::TJK Communications engineering / telecommunications::TJKW WAP (wireless) technology
    Language: English
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