نتایج جستجو برای: energy concept analysis
تعداد نتایج: 3566253 فیلتر نتایج به سال:
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in this investigation the effect of external field on the electron density of nanostructures of cds, cdse, cdte, gaas and polymeric structure of three, four, five and six units of cds as a kind of nanosolar cells has been studied theoretically. as modeling this system in nanodimension, molecular structures has used. specific properties of molecular structures permit us to consider different sym...
introduction: systems-based practice (sbp) is one of the six competencies introduced by the acgme for physicians to provide high quality of care and also the most challenging of them in performance, training, and evaluation of medical students. this concept analysis clarifies the concept of sbp by identifying its components to make it possible to differentiate it from other similar concepts. fo...
a bstract background: nurses’ infl uence on health policy protects the quality of care by access to required recourses and opportunities.this is a new and important concept for nursing; however, research studies on policy infl uence of nurses in health care sector are lacking a basic conceptual understanding of what this concept represents. the aim of this paper is to clarify the concept of nur...
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