نتایج جستجو برای: biology

تعداد نتایج: 163115  

Journal: :international journal of aquatic biology 0
sandipan gupta aquaculture research unit department of zoology university of calcutta samir banerjee aquaculture research unit department of zoology university of calcutta

studies on reproductive biology are essential to assess culture potential of a fish species. mystus tengara is a popular food fish as well as preferred as an ornamental fish in west bengal. till date detailed report on reproductive biology of this fish species in the agro-climatic context of west bengal is lacking. therefore, the present work was aimed to study the detailed reproductive biology...

Emmanuel Ugwa Kofi Aduo-Adjei Mohammad-Kazem Rahimi-Zarchi, Tahereh Shafaghat

Background: The quantity and quality of manpower, especially in health systems, are major factors affecting speed of service delivery, cost, and accuracy, or, in other words, the quality of service. Objective: This study purposed to investigate the manpower required in various units of the laboratory at Shiraz Faghihi Hospital. Methods</stro...

Introduction: A variety of educational strategies appropriate for medical student learning have been introduced. Problem- based learning is a major, complex and widespread strategy in medical education, especially in basic science education. In the SPICES model PBL is presented as continuums (from information oriented learning to problem-based learning). In this study, we developed a questionna...

Cleistocactus winteri is a succulent plant of the Cactaceae family, commonly known as the golden rat tail. Many members of the Cactaceae family are the focus of chemical and biological studies as they contain bioactive compounds, well known for their health-related properties. We aimed to investigate Cleistocactus winteri stems both phytochemically and biologicallyfor the firs...

Journal: :journal of sciences, islamic republic of iran 2010
h salehi fathabadi

the pupose of this paper is modeling of partial digest problem (pdp) as a mathematical programming problem. in this paper we present a new viewpoint of pdp. we formulate the pdp as a continuous optimization problem and develope a method to solve this problem. finally we constract a linear programming model for the problem with an additional constraint. this later model can be solved by the simp...

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