نتایج جستجو برای: the theoretical s
تعداد نتایج: 16168452 فیلتر نتایج به سال:
one very decisive factor in students’ academic destiny is the result they get at final term examinations. because of its importance, both students and teachers are curiously anxious about them. as normally it is the case, these final term tests are prepared hurriedly in short time by teachers which result in students’ dissatisfaction, complaining on how the test was different from their expecta...
make or buy decision is one of the main areas of decision making for managers. transaction cost economics (tce), as an influential economic approach to the theory of the firm, tries to put forward a theoretical framework for this important decision. from tce perspective, the greater the asset specificity, the more the behavioral uncertainty and the more the transaction frequency, the more will ...
abstract chickpea is weak in competition of weeds that damages to it at between 40 t0 60 percent. kermanshah province is one of the most important region for chickpea fields in iran. for these reosons, weed management is necessary in this crop. in order to evaluate of herbicides and stubble control on broad leave weeds control in chickpea. experiment was conducted in agricultural research stat...
representation the nature of power among women's principals: developing a theoretical framework
the present research investigated the nature of power among women's principals in order to develop a theoretical framework. relying on critical epistemology and qualitative approach, we used grounded theory to study the problem. using a purposeful and theoretical sampling, we selected women and men's principals as well as the men whose spouses were employed in schools. we collected da...
Eigenvectors of large matrices (and graphs) play an essential role in combinatorics and theoretical computer science. The goal of this survey is to provide an up-to-date account on properties of eigenvectors when the matrix (or graph) is random.
بررسی وجود و چندگانگی جوابهای معادلات دیفرانسیل به ویژه با شرایط مرزی اغلب بسی دشوار بوده و همراه با گام های ملالت آور می باشد بطوریکه همواره نیاز به پیش شرط هایی می باشد که معادلات دیفرانسیل با شرایط مرزی مورد نظر باید داشته باشد. بنابراین اثبات آنالیزی وجود و چندگانگی جوابهای مسائل مقدار مرزی غیر خطی اغلب غیر ممکن می باشد. روشهای تقریبی- تحلیلی یا روشهای عددی صرفاً برای بدست آوردن جواب موجود ...
در این پایان نامه خواص مولدها و مولدهای تصویری دوری را در رسته ی s-سیستم های مرتب جزئی مورد مطالعه قرار می دهیم که در آن s یک تکواره مرتب جزئی است. نشان می دهیم برای هر a در رسته ی pos نگاشت pos(-,a) با عملی که روی آن تعریف می کنیم یک تابعگون مرتب جزئی با این ویژگی است که هر شیء از pos(s) پس از قرار گرفتن در آن می تواند به یک شیء در رسته ی (t)pos و بالعکس تبدیل شود. این ویژگی تحت شرایطی به ارتب...
We update the theory predictions for the mass difference ∆M s , the width difference ∆Γ s and the CP asymmetry in flavour-specific decays, a s fs , for the B s −B s system. In particular we present a new expression for the element Γ s 12 of the decay matrix, which enters the predictions of ∆Γ s and a s fs. To this end we introduce a new operator basis, which reduces the troublesome sizes of the...
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