نتایج جستجو برای: in a longer term perspective
تعداد نتایج: 20444372 فیلتر نتایج به سال:
power transformers are important equipments in power systems. thus there is a large number of researches devoted of power transformers. however, there is still a demand for future investigations, especially in the field of diagnosis of transformer failures. in order to fulfill the demand, the first part reports a study case in which four main types of failures on the active part are investigate...
methodologies adopted by the conventional management accounting in selecting between two or more alternative courses of action, both in the long-term and short-term decision-making, conflict with the overall objective of islamic enterprises. the paper explores the relevant literature (including the quran and the hadith) to ascertain the objective of an islamic enterprise and suggests an alterna...
let h be a separable hilbert space and let b be the set of bessel sequences in h. by using several interesting results in operator theory we study some topological properties of frames and riesz bases by constructing a banach space structure on b. the convergence of a sequence of elements in b is de_ned and we determine whether important properties of the sequence is preserved under the con...
Introduction: Increasing international travel to low-income areas is confronting travelers with new health threats. This study investigated international travelers’ health advice, behavior, and information needs in a low-income setting.Methods: This is a descriptive and cross-sectional study. Between October 27–31, 2014, 127 semi-structured surveys were c...
abstract: in this thesis, we focus to class of convex optimization problem whose objective function is given as a linear function and a convex function of a linear transformation of the decision variables and whose feasible region is a polytope. we show that there exists an optimal solution to this class of problems on a face of the constraint polytope of feasible region. based on this, we dev...
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