نتایج جستجو برای: distribution network
تعداد نتایج: 1231772 فیلتر نتایج به سال:
یکی از مباحث مهم در اقتصاد دنیا بحث صادرات غیر نفتی و محصولات کشاورزی است. کشور ایران با توجه به شرایط اقلیمی مناسب جایگاه ویژه ای را در پرورش محصولات کشاورزی به خود اختصاص داده است ،که در این میان زعفران جایگاه ویژه ای دارد ، به طوریکه ایران به عنوان بزرگترین تولید کننده زعفران جهان شناخته شده است ، اما در بحث صادرات محصول زعفران با چالشهایی مواجه است به طوریکه کاهش میزان صادرات آن در سال های ...
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this paper proposes a hybrid method to find cumulative distribution function (cdf) of completion time of gert-type networks (gtn) which have no loop and have only exclusive-or nodes. proposed method is cre-ated by combining an analytical transformation with gaussian quadrature formula. also the combined crude monte carlo simulation and combined conditional monte carlo simulation are developed a...
Estimating spatial distribution of precipitation is vital to execute water resources plans, drought, land-use plans environment, watershed management, and agricultural master plans. High variation in amount of precipitation in various parts, lack of measurement stations, and the complexity of relationship between precipitation and parameters affecting it have doubled the importance of developin...
Synchrony is significant in brain neural network. In this study we investigate the collective firing in an excitable media and modeling the brain network by an small-world one. The Gaussian white noise is taken to the system of phase oscillators, and then to the frequency distribution. An order parameter in non stationary situation and other usefull statistical parameters such as firing are co...
In this research, modeling tree height distributions of beech in natural forests of Masal that is located in Guilan province; was investigated. Inventory was carried out using systematic random sampling with network dimensions of 150×200 m and area sample plot of 0.1 ha. DBH and heights of 630 beech trees in 30 sample plots were measured. Beta, Gamma, Normal, Log-normal and Weibull prob...
Numerous studies show that most known real-world complex networks share similar properties in their connectivity and degree distribution. They are called small worlds. This article gives a method to turn random graphs into Small World graphs by the dint of random walks.
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