نتایج جستجو برای: point sources meanwhile

تعداد نتایج: 828616  

, , fasihiyan, moein, jalaliyan, shadi, rasuli, mahin,

Introduction: One of the most important pandemic factors in recent years has been the Covid-19 virus, which according to the World Health Organization has increased the number of deaths worldwide. Due to the effect of Covid-19 virus on various organs of the body, one of the most important sites for destructive activity of this virus are kidneys and blood vessels. Materials and Methods: In o...

2014
Qingbing Liu Guoliang Chen Caiqin Song C. Q. SONG

A new HSS-like iterative method is first proposed based on HSS-like splitting of nonHermitian (1,1) block for solving saddle point problems. The convergence analysis for the new method is given. Meanwhile, we consider the solution of saddle point systems by preconditioned Krylov subspace method and discuss some spectral properties of the preconditioned saddle point matrices. Numerical experimen...

Journal: :محیط شناسی 0
شروین جمشیدی دانشکده محیط زیست دانشگاه تهران محمدحسین نیک سخن دانشکده محیط زیست دانشگاه تهران مجتبی اردستانی دانشکده محیط زیست دانشگاه تهران

introduction water quality trading (wqt) is an economically incentive-based strategy that focuses on finding the optimal discharge permit market for surface water quality management. the amounts of traded discharge permits determine the interactions of emission sources in the market. pollutantsthat are able to provide extra permits can satisfy the demands of other participants for credits. find...

Nowadays the position of the renewable energy is so important because of the environment pollution and the limitation of fossil fuels in the world. Energy can be generated more and more by the renewable sources, but the fossil fuels are non-renewable. One of the most important renewable sources is the wind energy. The wind energy is an appropriate alternative source of fossil fuel. The replacem...

Journal: :IEICE Transactions 2017
Takeshi Chujoh

In video coding, layered coding is beneficial for applications, because it can encode a number of input sources efficiently and achieve scalability functions. However, in order to achieve the functions, some specific codecs are needed. Meanwhile, although the coding efficiency is insufficient, simulcast that encodes a number of input sources independently is versatile. In this paper, we propose...

Journal: :SIAM J. Scientific Computing 2013
Jianbing Chen Shenghan Zhang

Reasonable point set selection is of paramount importance to the accuracy of highdimensional integrals that will be encountered in various disciplines. In the present paper, to improve the point selection and to overcome the computational complexity of evaluating classical discrepancies, the concept of extended F-discrepancy (EF-discrepancy) and generalized F-discrepancy (GF-discrepancy) of a p...

ژورنال: سنجش و ایمنی پرتو 2019

Analyzes of environmental samples regarding their radioactivity is of important concern for health purposes. We need standard sources to determine radioactive components and their activities. These sources are usually produced regarding type of the sample. One of the fundamental and precise tools to recognize radioactive materials and their activities is HPGe detector. To reach this goal, the d...

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