نتایج جستجو برای: r value
تعداد نتایج: 1134488 فیلتر نتایج به سال:
Research and development functions are fundamental drivers of value creation in technology-based enterprises. Successful R&D is a function of invention and R&D management. This paper studies R&D management issues from the perspective of their effect on value creation. The particular issues studied are: (i) How does one attach a value to a particular proposed R&D activity, and (ii) how does one ...
In this paper, we describe a new version (≥ 2.0) of the R (R Core Team 2013) package extRemes (Gilleland and Katz 2011), which is a major redesign from previous versions. Weather and climate applications are the intended focus of the package, although the functions could be used in other applications. The new version of the package is a command-line package for implementing various methods from...
The r-value of a sheet metal is a measure of plastic anisotropy frequently used for prediction of performance in deep-drawing. It has also gured prominently in the literature for validation of theories where the predicted angular dependence of r is compared with the measured dependence. As plastic anisotropy in sheet metals is caused mainly by the preferred orientations of grains within the pol...
چکیده فارسی عنوان : بررسی تغییرات سرمی سدیم در پیش آگهی ضربه مغزی در سن یک ماه تا 18 سال استاد راهنما : دکتر کیاندخت کریمیان، متخصص طب اورژانس، استادیار دانشگاه اساتید مشاور : دکتر پارسا یوسفی، فوق تخصص کلیه کودکان ، دانشیار دانشگاه دکتر محمد رفیعی، دکترای آمار حیاتی، دانشیار دانشگاه نگارش و پژوهش : مینا شیخی دزفولی مقدمه : ضربه مغزی بعنوان دوره ای کوتاه از فقدان هوشیاری است که چند...
The purpose of this study was to rank the obstacles to the establishment of smart cities projects in terms of energy in Iran, based on the DEMATEL technique. The purpose of this research is applied and is descriptive-survey based on research method. The statistical population of the study was senior managers and experienced experts in the Tehran Electric Power Distribution Company and the gas c...
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