نتایج جستجو برای: located in developed urban areas
تعداد نتایج: 17054531 فیلتر نتایج به سال:
Road pricing has been promoted by transport economists for decades as a means of solving congestion problems in big cities. Congestion causes enormous costs to society in a number of ways; for example, overall transport costs rise, polluting emissions increase, the demand for infrastructure is artificially driven up. The social benefits of solving the congestion problem would therefore be enorm...
Introduction: due to importance of poverty reduction in reducing social problems, sustainable development of a country and increase of social welfare level or to detect qualified persons using welfare programs, to study the poverty phenomenon has to be studied This can help policy makers in poverty elimination. Method: we used the statistical data on household budgets for measuring povert...
Background: Nowadays, extensive technological advancements have made it possible to use nanopaints which show exciting properties. In IR Iran excessive radon levels (up to 3700 Bq m–3) have been reported in homes located in radon prone areas. Over the past decades, concerns have been raised about the risk posed by resi- dential radon exposure.Objective: This study aims at investigating the ef...
fuzzy logic has been developed over the past three decades into a widely applied techinque in classification and control engineering. today fuzzy logic control is one of the most important applications of fuzzy set theory and specially fuzzy logic. there are two general approachs for using of fuzzy control, software and hardware. integrated circuits as a solution for hardware realization are us...
To determine the prevalence of intestinal parasites in school children of Shariar, 1902 students (58 % male, 42 % female) were randomly selected from 22 schools in rural and urban regions of Shahriar. After filling out a questionnaire from the selected students, fresh stool samples were examined for the presence of intestinal parasites and determining this tynos. The age of study population wa...
Urban sprawl, or the unplanned and uncontrolled spreading out of built-up areas in Zaria urban area causes problems of congestion, poor urban basic infrastructure delivery and poor urban planning. This paper analyzed the pattern and implications of urban sprawl using GIS and Remote sensing as an improved approach to analyze and explain sprawling beyond the traditional spatial or cartographic ma...
natural hazards in the form of floods, quakes, cyclones, and the like have existed since the earth has come to being. in recent decades, in spite of scientific and technological developments in forecasting incidents, building construction and crisis management have imposed heavy expenses on human societies. the importance of many natural hazards is so great that to predict the very occurrence a...
In response to the failure of modernist approach in the new urban ideas, attention to the public spaces in cities has become as a basic necessity in terms of planning and urban design. Study on the concept of urban space as a structural element in the cities, is developing and expanding. Multiple authors have done many studies in this area, and the results indicate that urban areas play a key r...
the goal of this article is mapping urban management science. the main question of the research is “what are the subject areas of urban management science and how is the relation between these subject areas?” the map of urban management science can help to recognize urban management and its subject areas and can help policy makers to get familiar with the priorities in this subject area. for th...
the hastening increase in the population of the cities ,lack of urban infrastructures ,shifting the land use and the consequent vanish of ecologically valuable lands in the countries ,industrial pollutions ,illegal settlement in the suburbs and other human activities which have influenced the growth of cities in iran too ,make it necessary to study and analyze the growth of rasht(the capital of...
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