Browsing Naturwissenschaften, Mathematik und Informatik by Title
Now showing items 5549-5568 of 5605
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Zeitlich modulierte Statistik der periodisch gestörten turbulenten Kanalströmung
(2002-03-25)The turbulent channel flow is subjected to a temporal change of the boundary conditions, either by periodic variation of a longitudinal wall speed or, alternatively, by periodic variation ... -
Zeitwahrnehmung in isochronen Sequenzen
(2009-09-03)The predictions of three different psychological models for time perception were compared with the results of seven experiments. In each experiment the participants listened to a sequence ... -
Zellbiologie der Knochenresorption
(2002-12-04)Recently, several lines of evidence suggested that activated fibroblasts might contribute to bone resorption in rheumatoid arthritis and also in aseptic prosthesis loosing. Till now, only ... -
Zellbiologische Untersuchung α-Mannosidase-defizienter und Enzym-behandelter Mäuse
(2009-11-04)The deficiency of the lysosomal α-mannosidase leads to the lysosomal storage disease α-mannosidosis. A feasible option for the treatment of this disease is the substitution of the missing ... -
Zellspezifische Funktionen des Typ 1 Interferonrezeptors bei der experimentellen autoimmunen Enzephalomyelitis
(2007-11-22)Multiple sclerosis (MS) is considered to be an inflammatory demyelinating disease of the central nervous system (CNS), the etiology of which remains unclear. It is generally held that ... -
Zelltyp-spezifische Interaktionen von Toxoplasma gondii und murinen Skelettmuskelzellen in vitro
(2014-06-26)Toxoplasma gondii is one of the most common intracellular protozoan parasites worldwide and an important human pathogen. Its life cycle includes three stages: sporozoites, tachyzoites and bradyzoites. While sporozoites are ... -
Zentrale und periphere Populationen von Hornungia petraea: Biodiversität und Demographie auf unterschiedlichen raum-zeitlichen Skalenebenen
(2004-06-14)Hornungia petraea is a winter annual species of the Brassicaceae. The species has a submediterranean-subatlantic distribution. On the basis of H. petraea populations, different ... -
Zerstörungsfreie Wurzelortung mit geophysikalischen Methoden im urbanen Raum
(2013-10-08)The aim of the work was to analyse whether Ground Penetrating Radar (GPR) and Electrical Resistivity Tomography (ERT) are suitable to detect tree roots in urban areas. The non-destructive visualisation of roots was ... -
Zertifizierungssysteme im Agribusiness - Bewertung aus Anwendersicht und internationale Entwicklungen
(2009-10-28)The dissertation consists of four different parts which focus on the overall topic of certification schemes in agribusiness. After an introduction the first part refers to the evaluation ... -
Die Zirconiumalkoxid-katalysierte Aldol-Tishchenko-Reaktion von Keton-Aldolen
(2005-05-18)In the first part of the current thesis the aldol-Tishchenko reaction of ketone aldols as enol equivalents has been developed as an efficient strategy to furnish differentiated 1,3-anti ... -
Zirkulierende Nukleinsäuren als molekulare Marker zur Trächtigkeitsbestimmung beim Rind
(2012-07-12)Circulating nucleic acids (CNAs) are specified as DNAs and RNAs outside cells that are circulating in the blood free or wrapped in membrane vesicles of healthy and diseased individuals. In this study CNA profiles from serum ... -
Zu den gesundheitsfördernden Effekten von Waldaufenthalten
(2018-04-11)According to a forecast people of the high-income countries will suffer most on the two civilization diseases heart diseases and depression in year 2030. Currently, these diseases already lead to considerable financial ... -
Zuchtplanerische Bewertung verschiedener Strategien für die nachhaltige Zucht ökologischer Milchrinder
(2007-08-31)The number of organic dairy farms in Germany increased considerably in the past years. This growth is affected predominantly by the increased demand of consumers for products of organic ... -
Zuckerrübenanbau unter veränderten Klimabedingungen - Trockenstresstoleranz und Stickstoffnutzungseffizienz von Zuckerrübengenotypen
(2022-05-18)Natural resources such as water and nitrogen are essential for plant growth. In the future, water will be limited more frequently due to climatic changes. Therefore, varieties are needed that can tolerate periods of drought ... -
Zugang zu Agrar- & Pharmawirkstoffen durch organische Synthese
(2015-07-30)This thesis contains the design of new spinosyn analogues via two subsequent heck reactions as well as the modification of a beta-selective glycoslylation method and the synthesis of six new potential Hsp47 inhibitors based ... -
Zukünftige Anforderungen an Produktinnovationen unter Berücksichtigung globaler Megatrends am Beispiel von biofortifizierten Obst- und Gemüseprodukten
(2023-03-15)Consumer behavior analysis is an essential part of the innovation process for the new product development. Due to the increasing complexity, high-level structures can be reviewed for evaluating the framework conditions ... -
Zukünftige regionale Wettbewerbsfähigkeit des Zuckerrübenanbaus und Entwicklungsperspektiven ausgewählter Rübenanbaubetriebe an Standorten Norddeutschlands und Osteuropas
(2009-03-18)The reform of the sugar market organisation enacted on November, 24th 2005 by the European ministers of agriculture reduces the extent of protectionism of the European sugar market. The ... -
Zum Einfluss der elastischen Verzerrungsenergie auf die Frühstadien der Entmischung von Cu2at.%Co
(2005-10-07)In the present work the decomposition in the Cu2at.%Co system was characterized at 703K, 763K und 853K by means of Field Ion Microscopy (FIM), Tomographic Atom Probe (TAP) and Field Ion ... -
Zum Einfluss unterschiedlicher Behandlungsverfahren und Zusatzstoffe auf ernährungsphysiologische Parameter und Leistung wachsender Broiler nach Verabreichung weizenbetonter Futtermischungen
(2001-11-13)A 2 x 2 x 4 factorial experimental design was used to investigate the main effects of grinding (hammer mill vs. roller mill), hydrothermal treatment (conditioning 70°C vs. expanding* 100°C) ...