نتایج جستجو برای: metropolis of tehran
تعداد نتایج: 21165304 فیلتر نتایج به سال:
land use is often referred as the basis for urban planning. perhaps the main reason is that the discussion of fundamental related to urban planning objectives has play the first role in the land use studies. basic topics such as proper location, optimal allocation, diversification, functionality and … which are in direct contact with comfort goals, are the last objectives of urban planners and ...
ارزش در معرض ریسک یکی از مهمترین معیارهای اندازه گیری ریسک در بنگاه های اقتصادی می باشد. برآورد دقیق ارزش در معرض ریسک موضوع بسیارمهمی می باشد و انحراف از آن می تواند موجب ورشکستگی و یا عدم تخصیص بهینه منابع یک بنگاه گردد. هدف اصلی این مطالعه بررسی کارایی روش copula-garch شرطی در برآورد ارزش در معرض ریسک پرتفویی متشکل از دو سهام می باشد و ارزش در معرض ریسک بدست آمده با روشهای سنتی برآورد ارزش د...
I show how one can modify the random-walk Metropolis MCMC method in such a way that a sequence of modified Metropolis updates takes little computation time when the rejection rate is outside a desired interval. This allows one to effectively adapt the scale of the Metropolis proposal distribution, by performing several such “short-cut” Metropolis sequences with varying proposal stepsizes. Unlik...
the process of spatial distribution of urban services in order to provide equitable access to opportunities and reduced regional disparities, and earning the highest citizen satisfaction are among the main challenges facing urban management. this requires knowledge of the current status of spatial distribution of public services in the city, followed by optimal resource allocation under varying...
Introduction and Purpose: Nowadays, the air quality in many major cities is one of the most important environmental problems that seriously compromises the health of residents and causes a range of acute and chronic health effects. herefore, this study was aimed to quantify and estimate the health effects related to the pollutants NO2 and O3 in metropolis of Tehran in 2014 was done ...
1- introduction transportation and traffic is one of the major issues and challenges that are facing urban managers. so that it has become one of the major challenges in the political area. transport is one of the most important elements of urban development which is used for people and goods moving from a different geographical place to other places. in order to achieve efficient productive in...
abstract tehran, the largest metropolis of iran, due to specific physical, demographical, social, economical and cultural situations generates larger crime rate than other cities of iran. in central business district of tehran, which sits in the area no.12, and no.11 of tehran municipality, crime occurs more than other part of the city. this paper aimed at identifying the spatial distribution o...
The process of spatial distribution of urban services in order to provide equitable access to opportunities and reduced regional disparities, and earning the highest citizen satisfaction are among the main challenges facing urban management. This requires knowledge of the current status of spatial distribution of public services in the city, followed by optimal resource allocation under varying...
the quest for power has formed much of the world history especially in 20th and 21st centuries. oil (energy) particularly after industrial revolution has been a tool for conquest and power and has been transformed to a geopolitical issue. from a geopolitical point of view this has been the case for the last two centuries in central asia and caucasus. central asia and caucasus has always been...
Background and objective: Informal settlements are self-motivated settlements with minimal and insignificant facilities that have been formed in a deplorable situation in the corners of the cities and continue to expand. Certainly, one of the obvious aspects of this deplorable situation is the inappropriate body and social and economic poverty of the residents of these domiciles. Therefore, in ...
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