نتایج جستجو برای: model base
تعداد نتایج: 2317511 فیلتر نتایج به سال:
Recently, stochastic geometry models for wireless communication networks have been attracting much attention. This is because the performance of such networks critically depends on the spatial configuration of wireless nodes and the irregularity of node configuration in a real network can be captured by a spatial point process. However, most analyses of such stochastic geometry models for wirel...
this paper presents a macro model to predict unreinforced masonry structures in plane behavior. the model is based on the concept of multilaminate theory. in the past, the method has been used to model behavior of soil, disregarding the cohesion and the tensile strength. regarding its mathematical base, and the possibility of applying in other cases, this method is used to predict the ultimate ...
Roads are subjected to vehicle traffics with different loads and velocities. Geogrid reinforcement is of the best methods for road improvement due to the ease of construction, delay in damage development and financial efficiency. This study evaluates pavement response under different loads and velocities, before and after geogrid reinforcement. A finite element software (ABAQUS) is used for num...
The increase in routine clinical data collection coupled with an expectation to exploit this in support of evidence based decision making creates the requirement for a system to support clinicians in this analysis. This paper looks at applying argumentation to this problem, by collating all the relevant statistical approaches and their assumptions into a statistical knowledge base and then repr...
در فصل اول این پایان نامه، تهیه دی آریل کتون ها از آریل بورونیک اسیدهای متنوع با مشتقات مختلف بنزوئیل کلرید در حضور کاتالیزور ناهمگن pd-schiff-base@mwcnts انجام گردید. در فصل دوم، جفت شدن آلکن ها با آریل هالیدها در حضور سیستم کاتالیزوری ناهمگن pdiic22-sio2@fe3o4 و باز et3nدر حلال dmf تحت شرایط هوازی انجام گردید.
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