نتایج جستجو برای: physical model
تعداد نتایج: 2649977 فیلتر نتایج به سال:
rivers and runoff have always been of interest to human beings. in order to make use of the proper water resources, human societies, industrial and agricultural centers, etc. have usually been established near rivers. as the time goes on, these societies developed, and therefore water resources were extracted more and more. consequently, conditions of water quality of the rivers experienced rap...
physical characteristics of agricultural products are the most needed parameters in the design of grading, handling, processing and packing systems. among physical characteristics; dimensions, mass, volume, projected area as well as surface area are the important factors in sizing systems. for an assessment of morphological and physical characters in walnut, four genotypes of sizable kernels, l...
abstract one of the most important sources of drinking and agricultural water needs is rivers. one of the oldest methods of getting water from rivers that still has the greatest use is the gravity intake. in this type of intake, due to the disproportionate velocity at the upstream and downstream mouth of intake, occur flow separation and following sedimentation at the upstream mouth. in this st...
چکیده ندارد.
conclusions the basnef model could be effective in encouraging the adoption of nutritious eating habits and more active lifestyles at an early age in order to foster long-term health and well-being. results results from the intervention study reveal that the beliefs and attitudes about nutrition of the intervention group, calculated in terms of scores, improved significantly for both male and f...
جهت بررسی تاثیر فعالیتهای گروهی کاردرمانی ( گروههای ورزشی physical exercise group ، و گروههای بحث discussion group ) بر کاهش میزان افسردگی معتادین مرکز بازپروری تهران، معتادینی که در ده روز متوالی در مرکز بازپروری فوق پذیرش شدند. با آزمون سنجش افسردگی بک beck depression scale مورد ارزیابی قرار گرفتند و تعداد 60 نفر از آنها که در آزمون فوق نمره بالاتر از 15 را کسب نمودند براساس ویژگی...
One of the critical issues related to sustainable urban twenty-first century urban growth pattern, and today most researchers believe a significant relationship between physical development of the city (urban form) and urban sustainability. So far as the organizing body of the cities under the framework of sustainable development is necessary. The aim of this study is to unde...
in this thesis, we consider a mathematical model of cancer with completely unknown parameters. we study the stability of critical points which are biologically admissible. then we consider a control on the system and introduce situations at which solutions are attracted to critical points and so the cancer disease has auto healing. the lyapunov stability method is used for estimating the un...
since its introduction in 1959, translation quality assessment (tqa) has been among the most addressed research topics in translation studies. during recent years, there has been a crucial increase on the study of tqa. various methods have come on scene. although these methods are based on scientific theories, most of them have remained at the level of theory. juliane house’s model is among tho...
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