نتایج جستجو برای: independent parameters
تعداد نتایج: 996510 فیلتر نتایج به سال:
واژه “چپگرد”، به ساختار هایی اطلاق می شود که ضریب شکست آنها در یک بازه فرکانسی منفی باشد. این ساختار ها ابتدا با استفاده از حلقه های شکافدار و میله های موازی در فرکانسهای ماکروویو تحقق یافته و سپس به فرکانسهای نوری تعمیم پیدا کرده است. در این پایان نامه، پس از بررسی عملکرد الکترومغناطیسی ساختارهای چپگرد در فرکانسهای ماکروویوو نوری و مطالعه در منشا ایجاد ضریب شکست منفی، نشان داده می شود که با اس...
many studies have been conducted focusing on the effects of friction coefficient or texture depth on the highway accident risk. however, combined effects of these parameters have not been still addressed. in this research the interaction between friction coefficient, texture depth and accident rate in 30 freeway sections were examined. the accident data were gathered and an apparatus was design...
the purpose of the present article is to consider the independent single girl’s life style. first, it has been considered the single girl’s life style utilizing the ideas of theorizers like torstein veblen, george zimel, max weber, adler and pierre bourdieu and then it has been done an experimental study through a mixed approach. this research was done via quantitative and qualitative methods. ...
The local structure of vanadium oxide supported on nanostructured SiO2 (VxOy/SBA-15) was investigated by in situ X-ray absorption spectroscopy (XAS). Because the number of potential parameters in XAS data analysis often exceeds the number of "independent" parameters, evaluating the reliability and significance of a particular fitting procedure is mandatory. The number of independent parameters ...
the main assumptions in liner mixed model are normality and independency of random effect component. unfortunately, these two assumptions might be unrealistic in some situations. therefore, in this paper, we will discuss about the analysis of bayesian analysis of non-normal and non-independent mixed model using skew-normal/independent distributions, and finally, thi...
progressive collapse is defined as the spread of an initial failure from element to element, eventually resulting in the collapse of an entire structure or a disproportionately large part of it. the current progressive collapse analyses and design methods in guidelines and codes focus on the alternate load path method. this method is suitable especially in the case of blast-induced progressive ...
This paper presents results of an experimental investigation on stability of reshaping breakwaters. Results of 82 test cases have been used to study the reshaped profile condition of such breakwaters during the process of wave attacks. In this research, first 7 independent parameters having significant effects on structure stability have been identified and their consequence on geometric parame...
Guided by the assumption that the preferences for a particular type of living arrangement are influenced by values of privacy and the level of needs/resources among the elderly, this study investigates how the socioeconomic and demographic characteristics of the Korean elderly are associated with their preferences for independent living over coresidence with their children. A logit model analys...
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