نتایج جستجو برای: 96 for irans urban system hence
تعداد نتایج: 11057380 فیلتر نتایج به سال:
Urban traffic management problems have taken an important place in most of transportation research fields, hence the emergence of vehicular ad-hoc network (VANET) as an essential part of the intelligent transportation system ITS, that intervenes to improve and facilitate traffic management also control as far as improve global driving experience in the future. Indeed the concept of smart city o...
Heterogeneity between urban structure and the requirements of the population has given way to cultural and social problems which are sometimes insurmountable in a way that the range of social, economic, and cultural changes has extended to political domains. The absence of a management and planning system and of a democratic supervision, in a centralized one-way approach, affects planning and s...
land cover classification is one of the most important applications of polarimetric radar images, especially in urban areas. there are numerous features that can be extracted from these images for the use of their high potential, hence feature selection plays an important role in polsar image classification. in this study, three main steps are used to improve the classification: 1) feature extr...
Challenges and developments of bioretention facilities in treating urban stormwater runoff; A review
Bioretention or rain garden is a preferable low impact development (LID) approach due to its characteristics which reflect natural water cycle processes. However, this system is still little understood and quite complicated in terms of design and implementation due to many technical considerations. Hence, this paper gives a review of the challenges and developments for the use of bioretention f...
The agricultural sector is one of the most important economic sectors in Iran’s economy which has a high share of gross national product. This sector has also a significant contribution to the country's employment and process of economic development. On the other hand, agricultural sector plays an important role in creating employment for villagers and it also prevent the acceleration of migrat...
In recent years, the complexities of urbanization in Iran and raising such issues as urban sustainable development, human development, city economy reinforcement, emphasis on social justice, environment preservation, etc. all in all, have made urban management a more complex and sophisticated issue. As a result, with regard to the extent of variables, a need for a new approach to urban manageme...
among the low–dimensional allotropes of carbon, nanotubes and graphene have attracted very much attention from nano–science and nanotechnology specialists. they have been proposed as building blocks in nanometer device engineering. however, these structures are not defect–free. in this thesis, we focused on defective carbon nanotubes and graphene, and studied the effect of couple of very common...
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