نتایج جستجو برای: s model
تعداد نتایج: 2701210 فیلتر نتایج به سال:
چکیده روش های متعددی برای برآورد رواناب حاصل از بارش در حوضه های آبریز وجود دارد. یکی از این روش ها استفاده از مدل های هیدرولوژیکی است. با استفاده از مدل های هیدرولوژیکی و شبیه سازی فرآیندهای هیدرولوژیکی می توان با صرف کمترین زمان و هزینه، رواناب و مولفه های دیگر چرخ? هیدرولوژیکی را برآورد کرد. از آنجا که در حوضه های آبریز اندازه گیری تمام کمیت های مورد نیاز برای تحلیل رواناب ممکن نیست، انتخاب...
the geopolitics of afghanistan after september 11, 2001, and its impact on iranian national security
abstract u.s. attack to afghanistan after 9/11 provided opportunities for us who tried to become the dominant power after collapse of ussr and bipolar world. thinkers like fukuyama believed american liberal democrats thought would be universally accepted without resistances. liberal democracy is the best and final model of governance; in this regard, united state has moral responsibilities for...
the main purpose of this study was to investigate the relationship between organizational culture and knowledge management in hamedan's jihad- agriculture applied-scientific higher education center (hjaas). denison's organizational culture model and the building blocks of knowledge management model were used for finding this relationship. a descriptive correlative methodology was used...
In this paper, a new T-S fuzzy hyperbolic delay model for a class of nonlinear systems with time-varying delay, is presented to address the problems of stability analysis and feedback control. Fuzzy controller is designed based on the parallel distributed compensation (PDC), and with a new Lyapunov function, delay dependent asymptotic stability conditions of the closed-loop system are derived v...
It follows from algebraic results of Maddux that every multi-modal logic L such that [S5,S5, . . . ,S5] ⊆ L ⊆ S5 is undecidable, whenever n ≥ 3. This implies that the product logic S5×S5×S5 does not have the product finite model property. Here we answer a question of Gabbay and Shehtman by showing that S5×S5×S5 also lacks the ‘real’ finite model property (fmp). We prove that every logic L from ...
warranty as a kind of service contract today plays a role key in business and legal transactions. in this paper, we present a manufacturer, an agent and a customer's model under different service contracts suggestions. the manufacturer's profit is maximized by determining sale price, warranty period and warranty price. in addition we obtain optimal maintenance cost or repair cost for ...
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