نتایج جستجو برای: concentrated and distributed sources
تعداد نتایج: 16874395 فیلتر نتایج به سال:
Application of Tabu Search to Optimal Placement of Distributed Generation and Reactive Power Sources
Introducing distributed generation into a power system can lead to numerous benefits including technical, economic, environmental, etc. To attain these benefits, distributed generators with proper rating should be installed at suitable locations. Given the similar effects of distributed generators and capacitor banks on operation indices of a distribution system, simultaneous assignment of best...
Dynamics of distributed sources is described by nonlinear partial differential equations. Lagrangian analytical solutions of these (and associated) equations are obtained and discussed in the context of the Lagrangian mod-eling-from the Lagrangian Invariants to dynamics. Possible applications of distributed sources and sinks to geophysical fluid dynamics and to gravitation are indicated. Singul...
We examine the question of whether living in a disadvantaged neighborhood damages health, over and above the impact of personal socioeconomic characteristics. We hypothesize that (1) health correlates negatively with neighborhood disadvantage adjusting for personal disadvantage, and that (2) neighborhood disorder mediates the association, (3) partly because disorder and the fear associated with...
Abstract Researchers must decide on how they will model the non-linear material response in a Finite Element simulation to assess seismic vulnerability. This paper aims at giving an insight into these modelling decisions by comparing Fiber and Lumped Plasticity Models static dynamic analysis RC frame. The methodology is based performance-based earthquake engineering determine expected damage st...
در سال های اخیر طرح های پیش توزیع کلید برای شبکه های حسگر توزیع شده با توجه به کاربرد فراوان این شبکه ها در دو حوزه نظامی و غیر نظامی، مورد توجه قابل ملاحظه ای قرار گرفته است. در این طرح ها کلیدها قبل از استقرار این شبکه ها در داخل هر گره حسگر قرار می گیرند. در این پایان نامه یک روش ساخت جدید برای این طرح ها بر پایه ترکیبی از دوگان طرح های بلوکی استاندارد را بررسی می کنیم. این روش دارای طیف گ...
background : cockroaches are found as the most common urban pests of tropical countries, prompting economic and serious health risk problem for humans by carrying microbes and allergens, acting as vector for various pathogens of diseases. the present study was conducted from april 2013 to march 2014 in various human dwelling localities of urban area of district lahore, pakistan. methods : coc...
the following null hypothesis was proposed: h : there is no significant difference between the use of semantically or communicatively translates scientific texts. to test the null hypothesis, a number of procedures were taken first, two passages were selected form soyrcebooks of food and nutrition industry and gardening deciplines. each, in turn, was following by a number of comprehension quest...
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