نتایج جستجو برای: urban region of tehran
تعداد نتایج: 21212209 فیلتر نتایج به سال:
following rapid and explosive population growth in urban settlements that was result of immigration, urban servicing as an important issue in urban planning has been studied equality in services distribution in urban areas causes equality and social justice. this paper investigates urban services distribution pattern ( educational, health, cultural, religious and sport) in 5th region of tehran ...
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...
abstract: in this thesis, we focus to class of convex optimization problem whose objective function is given as a linear function and a convex function of a linear transformation of the decision variables and whose feasible region is a polytope. we show that there exists an optimal solution to this class of problems on a face of the constraint polytope of feasible region. based on this, we dev...
introduction the current environmental challenges one of the main concern of is humanity. the issue of when more added concern has been associated with complications. research suggests the environmental challenges are rooted in factors in the different levels of global, regional and local levels are considered. in this case although many studies have been in different aspects of urban environme...
The term “physical development and land use” was primarily raised in the Western countries so that governments could monitor the way the land is used and to maintain property rights. However, with rapid growth of urbanization and development of urban and regional planning the dimensions and the contents of the concept have expanded day by day. The central and practical core of urban planning is...
abstract in aggregate, active forms of reactive silica with mineral names are sometimes associated with sand and gravel in concrete mixture. alkali hydroxides originated from alkalis in the cement or other resources form an alkaline silica gel with this reactive silica which becomes swallowed and expanded during time causing damage to concrete. there have been growing researches on alkaline r...
Worldwide, metropolises of today are often prone to damage from natural hazards by various reasons. One of the slope instabilities that causes financial and human losses annually on socio-economics and the environment are landslides. There are tens of landslides that occur in different parts of the country each year, which threaten more residential areas, roads and facilities. In this study we ...
in order to examine the ecological conditions and characteristics of fraxinus excelsior l. in the northern forests of iran 6 main areas as well as some miscellaneous ones , have been selected in the region respectively in : lomir2, shafaroud , park - e-noor , ahlam , alandan and noor.
since, in the same vein as public spaces, urban green spaces play a significant role in establishing social interactions in the iranian cities, security concerns need to be taken more seriously in such places than other social environments, the insufficiency of which could diminish their functional capacity. this could in turn lead to a source of subsequent difficulties in urban spaces. therefo...
Today participation considers one of the main concepts of sustainable development. One aspect of participation is citizen participation in urban affairs that the people have much more intercommunity in the city affairs that it provides the possibility of further success, as well as makes easy preparation and implementation of urban projects and consequently improves living standards. The purpos...
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