Mathematisch-Naturwissenschaftliche Fakultät: Auflistung Mathematisch-Naturwissenschaftliche Fakultät nach Titel
Anzeige der Dokumente 3545-3564 von 4323
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Spatio-Temporal Estimation and Validation of Remotely Sensed Vegetation and Hydrological Fluxes in the Rur Catchment, Germany
(2018-03-07)Operational availability of spatio-temporal vegetation and hydrological estimates are becoming increasingly attractive for hydrologic studies from local through regional and global scales, especially in remote areas and ... -
Spatio-temporal patterns of tree-growth response to climatic change
(2008)Trees growing under temperate climate conditions are affected by numerous growth influences. Dendroclimatological analyses of tree-ring chronologies in which the long-term growth/climate relations are investigated, help ...
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Spatiotemporal dynamics of stress factors in wheat analysed by multisensoral remote sensing and geostatistics
(2007)Plant stresses, in particular fungal diseases, basically show a high variability in space and time with respect to their impact on the host. Recent ‘Precision Agriculture’ techniques allow for a spatially and temporally ... -
Spätkänozoische Reliefentwicklung der Schweizer Alpen
(2004)Die Reliefstruktur der Schweizer Alpen ist das Resultat einer über Jahrmillionen andauernden Wechselwirkung zwischen tektonischen Hebungsprozessen und erosiven Oberflächenprozessen. Letztere werden maßgeblich durch das ... -
Species Identification and Delimitation in Nemerteans
(2017-01-24)The accurate identification and delimitation of species constitute the basis for assessing the biodiversity and phylogenetic relationships within the taxon Nemertea. However, working on nemertean taxonomy is challenging ... -
Spectral Data of Avian Plumage
(2007)Plumage coloration of museum bird skins provides significant morphometrical data, although it is difficult to objectively access the latter. Among the different methods of analyzing coloration, reflection-spectrophotometry ... -
Spectral Evolution in Blazars: The Case of CTA 102
(2013-02-05)Active Galactic Nuclei (AGN) are among the most powerful objects in the universe. In their centre they host a supermassive black hole (BH) with up to 1010 solar masses and an accretion disk is formed around them ... -
Spectral Properties of the Kernel Matrix and their Relation to Kernel Methods in Machine Learning
(2005)Machine learning is an area of research concerned with the construction of algorithms which are able to learn from examples. Among such algorithms, so-called kernel methods form an important family of algorithms which have ... -
Spectro-spatial observations of galaxy clusters with Planck and CCAT-prime
(2020-07-07)The Sunyaev-Zeldovich (SZ) effect is a spectral distortion of the cosmic microwave background (CMB) caused by inverse Compton scattering of CMB photons by free electrons in the hot intracluster medium (ICM) of galaxy ... -
Spectrophotometric Studies of Avian Plumage Coloration with Special Emphasis on the Ultraviolet Range
(2007)In my survey, altogether 1439 (15 %) of the 9702 bird species listed in Sibley & Monroe’s taxonomic list (1990, 1993) were measured by means of reflection spectrophotometry at different museum collections in Europe, the ... -
Spectroscopic Gas Sensor Based on a Fiber Fabry-Perot Cavity
(2022-10-17)Optical spectroscopic sensors are powerful tools for analyzing gas mixtures in industrial and scientific applications. Whilst highly sensitive spectrometers tend to have a large footprint, miniaturized optical devices ... -
Spectroscopy of Xenon and Xenon-Noble Gas Mixtures for Bose-Einstein Condensation of Vacuum-Ultraviolet Photons
(2024-01-03)Bose-Einstein condensation of photons has first been observed in 2010 by the group of Martin Weitz in Bonn. In the experimental scheme, a photon gas is confined to a wavelength-size microcavity filled with a liquid dye ... -
Spektakel und Gewalt in der „Wunderbaren Stadt“: Raumproduktionen in der ältesten Favela Rio de Janeiros im Kontext von Megaevents und Hafenrevitalisierung
(2014-10-01)Mega-events connect state agendas of image production with private sector's aspirations to valorise urban spaces. In the case of Rio de Janeiro mega-events may be scrutinised in the context of Brazil's rise to the league ... -
Spektraläquivalente Vorkonditionierung lokaler Operatoren mittels H-Matrizen und das Landau-Lifschitz-Modell als Anwendung
(2013-03-25)Diese Arbeit beschäftigt sich mit der optimalen Vorkonditionierung von Gleichungssystemen resultierend aus der finite Elemente Diskretisierung von elliptischen Differentialgleichung zweiter Ordnung. Anschließend wird ein ... -
Spektroskopische Untersuchungen zum Adsorptions- und Desorptionsverhalten von Methanol auf Palladium(111) und Pd-Sn/Pd(111)-Oberflächenlegierungen
(2007)In der vorliegenden Arbeit wurden Zerfallsstudien von Methanol auf verschiedenen Oberflächen, insbesondere auf Palladium(111), und zwei unterschiedlich strukturierten Pd-Sn-Legierungen durchgeführt. Die vier angewandten ... -
Sperm competition and female remating rate in the scorpionfly Panorpa germanica, L. (Mecoptera, Panorpidae)
(2005)Sperm competition can be a powerful selective force in the evolution of reproductive strategies and mating systems. In the last decades many insect species have been studied in terms of sperm competition (for reviews see ... -
Sperm competition in the scorpionfly Panorpa communis (Mecoptera, Insecta)
(2007)The aim of the present study was to investigate the basal mechanism of sperm competition in the European scorpionfly Panorpa communis. Within three laboratory experiments, I used five newly developed microsatellite ... -
Spermidin Metabolismus in Plasmodium falciparum und Plasmodium vivax: Biochemische und molekularbiologische Untersuchungen der Deoxyhypusinsynthase und des eukaryontischen Translationsinitiationsfaktors 5A
(2005)Im Rahmen der Arbeit wurde der Spermidin Metabolismus in Plasmodium falciparum und Plasmodium vivax molekularbiologisch und biochemisch untersucht. Ziel war es mögliche "molekulare Targets" für neue ... -
Sphärische Lyophilisate zur pulmonalen Proteinapplikation
(2019-07-12)Die pharmazeutische Sprüht-Gefrier-Trocknung (Spray-Freeze-Drying) umfasst ein heterogenes Feld von Technologien mit primären Anwendungen in den Bereichen Löslichkeitsverbesserung, pulmonale und nadelfreie intra-dermale ... -
SPI-6 Expression Protects Embryonic Stem Cells from Lysis by Antigen-Specific CD8+ Cytotoxic T Lymphocytes
(2008)Embryonic stem (ES) cells are defined by their capacity of self renewal and the potential to give rise to any differentiated cell type of the entire organism. These properties have made ES cells promising tools for future ...
