نتایج جستجو برای: 2009
تعداد نتایج: 147708 فیلتر نتایج به سال:
Anesthesia is an inevitably important component of diagnosis and treatments examining the health condition of wild animals. Not only does anesthesia become an essential tool in minimizing stress of the patients and providing an opportunity to deliver accurate and safe procedures, but it also ensures the safety of the medical crew members. This study was conducted to investigate the dose-respons...
We study the issue of radion stabilization within five-dimensional supersymmetric theories compactified on the orbifold S 1 /Z 2. We break supersymmetry by the Scherk-Schwarz mechanism and explain its implementation in the off-shell formulation of five dimensional supergravity in terms of the tensor and linear compensator multiplets. We show that radion stabilization may be achieved by radiativ...
Grazing mortality of the marine phytoplankton Synechococcus is dominated by planktonic protists, yet rates of consumption and factors regulating grazer-Synechococcus interactions are poorly understood. One aspect of predator-prey interactions for which little is known are the mechanisms by which Synechococcus avoids or resists predation and, in turn, how this relates to the ability of Synechoco...
As land resources and ecosystems provide necessary materials and conditions for human development, land use change and ecological security play increasingly important roles in sustainable development. This study aims to reveal the mutual-influence and interaction between land use change and ecological security in Wuhan, based on the coupling coordination degree model. As such, it provides strat...
توسعه اقتصادی و اجتماعی چین، به دلیل اهمیّت آن، مورد توجّه و تحلیل بسیاری از صاحب نظران قرار گرفته است. آدریان لفت ویچ، عامل اصلی توسعه چین و کشورهای مشابه آن را در دو کتاب اصلی خود یعنی توسعه و دمکراسی(1382) و توسعه و سیاست در جهان سوم (1384) وجود دولت توسعه گرا در این کشورها دانسته است. این پایان نامه نشان داده است که ویژگی هایی را که لفت ویچ برای دولت های توسعه گرا برشمرده است از جمله وجود نخب...
The metaphysical assumptions of cognitive science are explored with the goal to develop a problem-centered science relevant to the design and engineering of effective products and technologies. Radical Empiricism is suggested as an ontological foundation for pursuing this goal. This ontology poses a single reality where mind and matter come together to shape experience. Peirce’s triadic semioti...
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