نتایج جستجو برای: multi non
تعداد نتایج: 1730084 فیلتر نتایج به سال:
simplification universal as a universal feature of translation means translated texts tend to use simpler language than original texts in the same language and it can be critically investigated through common concepts: type/token ratio, lexical density, and mean sentence length. although steps have been taken to test this hypothesis in various text types in different linguistic communities, in ...
In this paper, it is tried to find an approximate single layer equivalent for multi-layer graphene sheets based on third order non-local elasticity theory. The plates are embedded in two parameter Winkler-Pasternak elastic foundation, and also the thermal effects are considered. A uniform transverse load is imposed on the plates. Applying the non-local theory of Eringen based on third order she...
A numerical framework has been proposed to model the interacting effects of mixture non-ideality and mass transfer on hydrodynamics of a multiphase system using CFD methods.Mass transfer during condensation and vaporization is modeled by chemical potential at the liquid-vapor interface. Species mass transfers are related to the diffusion at the interface which in turn is related to the conc...
Background: A high prevalence of human T-cell lymphotropic virus type 1 (HTLV-1) infection among general population in the northeast of Iran has been reported. Multi-transfused patients are known as ‘at-risk’ group for the infection. This systematic review and meta-analysis was conducted to estimate the prevalence of HTLV-1 infection among Iranian multi-transfused patients. Materials and Meth...
for an indoor non-directed line of sight optical wireless communication (nlos-owc) system we investigate the optimized lambertian order (olo) of light-emitting diodes (leds). we firstly derive an expression for the olo from a conventional lambertian led model. then, we analyze the indoor multi-cell nlos-owc channel characteristics including the optical power distribution and the multipath time ...
این پایان نامه به بررسی نقش مثبت یا منفی احساسات روی کارایی عامل های یادگیرنده در یک محیط multi-agent می پردازد. در این راستا مدلی برای عامل های یادگیرنده دارای احساس معرفی می شود. برای بررسی نقش احساسات، یک محیط فرضی multi-agent شبیه سازی شده و حالت های گوناگونی در آن نظر گرفته می شوند. در حالت نخست، کارایی عامل هایی بررسی می شود که دارای احساس نیستند و فقط قابلیت یادگیری دارند. در دومین حالت...
امروزه با گسترش روزافزون ارتباطات و شبکه های مخابراتی در تمام عرصه های زندگی بشر و نیاز مبرم به ارتباطات با نرخ و کیفیت بالا، تحقیقات بنیادی و کاربردی در زمینه ی علم و مهندسی مخابرات جزو اولویت های اصلی جوامع پیشرفته و در حال توسعه است. بنا به ضرورت مذکور در این پایان نامه به بررسی تحقیقات انجام -شده در زمینه تئوری اطلاعات شبکه های مخابراتی خصوصا شبکه های رله در تئوری اطلاعات که بسیار مورد توجه...
in present study, thermo-elastic buckling analysis of multi-layer orthotropic annular/circular graphene sheets is investigated based on eringen’s theory. the moderately thick and also thick nano-plates are considered. using the non-local first and third order shear deformation theories, the governing equations are derived. the van der waals interaction between the layers is simulated for multi-...
in this study, a bi-objective model for integrated planning of production-distribution in a multi-level supply chain network with multiple product types and multi time periods is presented. the supply chain network including manufacturers, distribution centers, retailers and final customers is proposed. the proposed model minimizes the total supply chain costs and transforming time of products ...
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