نتایج جستجو برای: negative control

تعداد نتایج: 1791223  

Journal: :علوم دامی 0
محمد حسین نعمتی استادیار، مرکز تحقیقات کشاورزی زنجان هوشنگ لطف الهیان استادیار، موسسه تحقیقات علوم دامی کشور محمد حسین شهیر دانشیار، دانشکده کشاورزی دانشگاه زنجان محمد طاهر هرکی نژاد استادیار، دانشکده کشاورزی دانشگاه زنجان سید عبداله حسینی استادیار، موسسه تحقیقات علوم دامی کشور

this experiment was performed to determine the role of vitamin e and coenzyme q10 antioxidants on performance and ascites parameters of broiler chicks in cold stress conditions using a completely randomized design with 5 treatments and 5 replicates in each treatment. treatments were: positive control (pc, normal thermal conditions without antioxidants), negative control (nc, cold stress without...

Journal: :Management Science 2012
Kenan Arifoglu Sarang Deo Seyed M. R. Iravani

We study the impact of yield uncertainty (supply side) and self-interested consumers (demand side) on the inefficiency in the influenza vaccine supply chain. Previous economic studies, focusing on demand side, find that the equilibrium demand is always less than the socially optimal demand since self-interested individuals do not internalize the social benefit of protecting others via reduced i...

2008
Quan Pan Xiong Wang Yong-mei Cheng Yong Liu

This paper describes the guiding principles, criteria and methodology of the education quality evaluation on master of engineering degree in control engineering of China. The practice of two-year long “point, line and plane” comprehensive evaluation methods (PLPEM) is summarized, which includes the self-evaluation within every university, evaluation on selected universities and evaluation on a ...

1993
J. S. Shamma

This paper considers 61 optimal control problems with full state feedback. In contrast to ,~ optimal control, previous work has shown that linear {1 optimal controllers can be dynamic and of arbitrarily high order. However, this paper shows that continuous memoryless nonlinear state feedback performs as well as dynamic linear state feedback. The derivation , which is nonconstructive, relies on ...

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