E-Dissertationen: Browsing E-Dissertationen by Title
Now showing items 961-980 of 1006
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Validation of major QTL conferring salt stress tolerance in winter wheat
Mohamed, Maisa Ahmed Hussin (2023-10-16)Wheat is the third most important crop grown extensively worldwide, with global production and use estimated at 775.6 and 755.8 million tons, respectively. Despite its importance for global food security, its productivity ... -
Vehicle Tracking and Motion Estimation Based on Stereo Vision Sequences
Barth, Alexander (2010-12-13)In this dissertation, a novel approach for estimating trajectories of road vehicles such as cars, vans, or motorbikes, based on stereo image sequences is presented. Moving objects are detected and reliably tracked in ... -
Verfahrenstechnische Bewertung mehrstufiger Abluftreinigungssysteme in der Mastschweinehaltung und deren Zertifizierbarkeit
Schier, Felix (2005)Ziel der Arbeit war es, die Leistungsfähigkeit einer mehrstufigen Abluftreinigungsanlage, im Rahmen einer Zertifizierungsmessung zu überprüfen und verfahrenstechnisch zu Bewerten. Die Messungen umfassten die Ammoniak- und ... -
Vergleich verschiedener Anbausysteme des Organischen Landbaus für Mais und zwei Leguminosenarten
Hödtke, Marco (2013-02-12)In den Jahren 1995 bis 1998 wurden am Institut für Agrarbiologie der EMBRAPA in Seropédica, Rio de Janeiro, Brasilien, Feldversuche zum gemeinsamen Anbau von Mais und Körnerleguminosen unter den Anbaubedingungen des ... -
Vergleichende Untersuchungen zum Lactoferrin und dem Bindungsprotein-2 insulinartiger Wachstumsfaktoren (IGFBP-2) in Kuh- und Ziegenmilch
Meyer, Tanja (2006)Ziel der vorliegenden Arbeit war es, valide Testsysteme zum Messen von Lactoferrin (Lf) und IGFBP-2 in der Milch von Kühen und Ziegen zu entwickeln. Damit sollten Einflüsse verschiedener physiologischer Zustände d.h. der ... -
Vermarktung der den Kokaanbau ersetzenden Alternativen Produkte der Tropen von Cochabamba (Bolivien)
Barrientos Fuentes, Juan Carlos (2005)1986 begann in den Tropen Cochabambas die Reduktion von Kokapflanzungen und 1994 die massive Einführung bzw. Ausweitung des Anbaus der sog. Alternativen Produkte als Ersatz des Kokaanbaus. Obwohl gegenwärtig diese ... -
Vermicomposting of Organic Solid Wastes as a Biological Treatment for Sanitation
Nguyễn, Phương-Nam (2012-09-11)More than 38 billion m<sup>3</sup> of organic solid wastes (OSW) are produced annually from human, livestock and crop activities worldwide. To achieve the Millennium Development Goal for sanitation (MDG7), several alternatives ... -
Visual Odometry and Sparse Scene Reconstruction for UAVs with a Multi-Fisheye Camera System
Schneider, Johannes (2019-06-13)Autonomously operating UAVs demand a fast localization for navigation, to actively explore unknown areas and to create maps. For pose estimation, many UAV systems make use of a combination of GPS receivers and inertial ... -
Visual Place Recognition in Changing Environments
Vysotska, Olga (2019-10-10)Localization is an essential capability of mobile robots and place recognition is an important component of localization. Only having precise localization, robots can reliably plan, navigate and understand the environment ... -
Visual SLAM from image sequences acquired by unmanned aerial vehicles
Steffen, Richard (2009-12-08)This thesis shows that Kalman filter based approaches are sufficient for the task of simultaneous localization and mapping from image sequences acquired by unmanned aerial vehicles. Using solely direction measurements to ... -
Visualisierung der Krankheitsentwicklung von Falschem Mehltau an Gurken durch Pseudoperonospora cubensis mittels Thermografie
Lindenthal, Miriam (2005)Der Epidemieverlauf des Falschen Gurkenmehltaus durch den obligat biotrophen Erreger <i>Pseudoperonospora cubensis</i> ist in starkem Maße von Umweltbedingungen abhängig. In der vorliegenden Arbeit ermöglichte die kleinräumige ... -
Vitamin D status and risk of anemia in patients with cardiovascular disease
Ernst, Jana Barbara (2018-03-26)Vitamin D deficiency and anemia are prevalent in patients with cardiovascular disease (CVD), and both are independent risk factors for increased morbidity and mortality. Epidemiological studies suggest an inverse association ... -
Vitamin K dependent γ-carboxylation in chronic kidney disease
Kaesler, Nadine (2014-01-10)Vascular calcification is present in atherosclerosis, ageing, chronic kidney diseases and diabetes and is strongly associated with an increased morbidity and mortality. Calcification of arteries occurs at the tunica intima ... -
VLBI observations of the Chang’E-3 lunar lander
Zhang, Zhongkai (2019-11-08)Diese Dissertation beschäftigt sich mit dem Konzept und der Analyse geodätischer VLBI-Beobachtungen des Chang’E-3-Mondlanders. VLBI ist eine hochpräzise Messtechnik, die in der Geodäsie, Astrometrie und bei Weltraumerkundungen ... -
Volatility of International Food Prices: Impacts on Resource Allocation and on Food Supply Response
Haile, Mekbib Gebretsadik (2015-06-08)Uncertainty is a quintessential feature of agricultural commodity prices. After about three decades of low and relatively stable price levels, we have experienced a dramatic rise and volatility in international food prices ... -
Vulnerability and adaptation to salinity intrusion in the Mekong delta of Vietnam
Binh, Nguyen Thanh (2015-06-29)The overall objective of this study is aimed at measuring the vulnerability of different social groups to salinity intrusion and related issues in coastal communities of the Mekong delta to improve our understandings on ... -
Wasserversorgung in Benin unter Berücksichtigung sozioökonomischer und soziodemographischer Strukturen: Analyse der Wassernachfrage an ausgewählten Standorten des Haute Ouémé
Schopp, Marion (2005)Ziel der Studie war die Untersuchung der Wassernachfrage auf lokaler Ebene. Um dieses Ziel zu erreichen, wurde zum einen die aktuelle Literatur diskutiert und zum anderen mit Hilfe empirischer Untersuchungen der „Wasserverbrauch“ ... -
Water availability and demand analysis in the Kabul River Basin, Afghanistan
Akhtar, Fazlullah (2017-08-08)Kabul River Basin (KRB), the most populated and highly heterogenic river basin of Afghanistan is the lifeline of millions of people in terms of supplying them with water for agricultural, municipal, and industrial as well ... -
Water Policy in South Africa: Effects, impacts, and the associated transaction costs in the Olifants Basin
Njiraini, Georgina Wambui (2016-06-24)South Africa as a water scarce country recognizes that it is no longer possible to augment existing water supplies. The country has therefore intensified efforts to implement its comprehensive National Water Act, which ... -
Water productivity in medium and small reservoirs in the Upper East Region (UER) of Ghana
Mdemu, Makarius Victor (2008)Improving water productivity (WP) is one important strategy for addressing future water scarcity, which is driven particularly by population growth and potential climate changes. Although an understanding of WP is required ...