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Anzeige der Dokumente 6924-6943 von 12406
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Is population growth conducive to the sustainability of cooperation?
(2011-07)This paper asks whether population growth is conducive to the sustainability of cooperation. A simple model is developed in which farmers who live around a circular lake engage in trade with their adjacent neighbors. The ... -
Is the world becoming a more risky place?: Trends in disasters and vulnerability to them
(2002-05)Numerous publications about disasters are implying that disaster vulnerability is growing. The main reasons given for this are growing populations, climate change and increasing poverty. However, maybe the current perception ... -
Is there Unrecognized Potential in Neglected Livestock Species?
(2021-12)Population growth and changing consumption patterns have resulted in an increasing demand for animal protein, especially in Sub-Saharan Africa (SSA). In meeting this demand, efforts have been geared towards intensifying ... -
Is There Variation in the Morphology of the Frontal Sinus in Individuals with Different Craniofacial Patterns?: A Systematic Review with Meta-Analysis
(2024-05-15)To evaluate differences in the morphology of the frontal sinus in adolescents and adults with different craniofacial patterns, searches up to April 2024 were conducted in six databases and other information sources to ... -
Islamic Culture in the Khanate of Kazan: A Report Sent from Kazan in 1550 during the Reign of <Süleyman> the Lawgiver
(2022-11-14)The article presents the renowned Bashkir-Turkish historian A.Zeki Velidi Togan’s (1890-1970) article on the unsuccessful 1549-1550 siege of the city of Kazan by Ivan IV in English translation with an extensive introduction. ... -
Isogeometric Approximation of Variational Problems for Shells
(2016-05-27)The interaction of applied geometry and numerical simulation is a growing field in the interplay of com- puter graphics, computational mechanics and applied mathematics known as isogeometric analysis. In this thesis we ... -
Isolation and Flow Cytometry Analysis of Macrophages from White Adipose Tissue
(2023-08-29)Macrophages are one of the prominent leukocyte populations in white adipose tissue (WAT) and play an important role during WAT homeostasis and remodeling. Macrophage function in WAT is determined by ontogeny and the local ... -
Isolation of secondary fungal metabolites and their influence on sphingolipid metabolism
(2007)Development of new drugs, especially in the area of oncological and infectious diseases, represents today one of the most important research fields. The marine environment is a tremendous source of natural products. Drug ... -
Isolation, characterization and interactions of soil microorganisms involved in the enhanced biodegradation of non-fumigant organophosphate nematicides
(2009-08-25)The most widely used pesticides utilized for the management of plant-parasitic nematodes belong to the organophosphorus group. Their efficacy may be reduced in areas where adapted microorganisms accumulate that are capable ... -
Isolierte laterale Dens axis Asymmetrie im Trauma-CT: Diagnostische Wertigkeit der ergänzenden MRT zur Beurteilung ligamentärer Verletzungen
(2024-02-01)Nach zervikalen Traumata stellt die CT Bildgebung der HWS einen entscheidenden Bestandteil der Primärdiagnostik zur Abklärung möglicher Verletzungsfolgen dar. Trotz einer hohen Sensitivität für knöcherne Verletzungen ist ... -
Isolierung und Strukturaufklärung von Xanthon-Derivaten, Anthrachinonen, Angucyclinen und anderen Sekundärmetaboliten aus terrestrischen und marinen Bakterien
(2008)In dieser Arbeit wurden marine und terrestrische Streptomyceten sowie Bakterien aus der Nordsee nach Auswahl aufgrund eines chemischen und biologischen Vorscreenings hinsichtlich ihres Sekundärmetabolitenspektrums genauer ... -
Isolierung von kleinen funktionalen Peptiden durch mRNA Display: Eine neue Klasse von Effektoren des humanen α-Thrombins
(2002)In der vorliegenden Arbeit wurde das mRNA Display zur Selektion von kleinen funktionalen Peptiden eingesetzt. Diese in vitro Selektionstechnik ermöglicht die kovalente Verknüpfung von Genotyp und Phänotyp eines Proteins. ... -
Isoprene Secondary Organic Aerosol in a Global Chemistry Climate Model
(2018-09-26)Atmospheric aerosol influences the climate system, modifying atmospheric radiation directly and indirectly. Up to 90% to the total organic aerosol is formed through the oxidation of hydrocarbons and subsequent nucleation, ... -
Isotopes for fundamental research 83mKr for KATRIN and 101Rh and 109Cd for XRD studies on planets
(2011-03-15)The feasibility of production of <sup>83</sup>Rb from liquid, natural Br at the Bonn Cyclotron was shown. Production of <sup>83</sup>Rb/<sup>83m</sup>Kr generators for KATRIN Collaboration was optimized. <sup>83m</sup>Kr ... -
The isotropy of the Universe as seen through galaxy clusters
(2021-07-07)The cosmological principle (CP) postulates that the Universe is isotropic and homogeneous. This implies that the Universe has the same expansion rate toward every direction and holds similar amounts of matter when averaged ... -
Ist die Herzfrequenz-Turbulenz geeignet, bei Patienten mit Diabetes mellitus Veränderungen der autonomen kardialen Modulation zu quantifizieren?
(2010-07-08)Erkrankungen des Herz-Kreislauf-Systems stehen in den westlichen Industrienationen an erster Stelle der Todesursachenstatistik. Eine besondere Problematik spielt hierbei der plötzliche Herztod, besonders bei bekanntem ... -
Ist die Versorgung zahnloser Kiefer mit konventionellen Totalprothesen heute noch zeitgemäß?
(2006)Mit dem immer umfassenderen Einsatz von Implantaten in der Zahnmedizin stellte sich die Frage, ob konventionelle Totalprothesen heute noch die zeitgemäße Versorgung zahnloser Kiefer darstellen.<br /> Das Ziel dieser Arbeit ... -
Ist die Zystographie nach roboter-assistierter radikaler Prostatektomie noch erforderlich?
(2023-11-16)Die roboter-assistierte radikale Prostatektomie (RARP) gilt als Therapie der Wahl für die lokale Behandlung des Prostatakarzinoms. Bei ca. einem Drittel der operierten Patienten treten mittelschwere bis schwere ...
