نتایج جستجو برای: 96 for irans urban system hence
تعداد نتایج: 11057380 فیلتر نتایج به سال:
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...
â â â the investigation of urban land use illustrates designation of urban space at various land use during time and achieving to urban development goals. present research investigates urban land use distributions and effective factors on urban land use special distribution in dogonbadan city. this research follows two main purposes: firstly, achieving to system of desirable urban land use for...
The urban ecosystem is a complex system hat are compounded of environment –economic-social ,the factors of urban ecosystem affect the decision of the floating population to chose city .In this paper ,we according to the urban ecosystem to design the questionnaire ,and study the weights of the factors that influence the decision by AHP ,and find that economy is most important which is 0.6806, th...
abstract type-ii fuzzy logic has shown its superiority over traditional fuzzy logic when dealing with uncertainty. type-ii fuzzy logic controllers are however newer and more promising approaches that have been recently applied to various fields due to their significant contribution especially when the noise (as an important instance of uncertainty) emerges. during the design of type- i fuz...
today, the route for economic development in most countries is the same as international open competitive economy. economic institutes well known that supportive public economy belonged on the past and they may compete in the global economy. it is obvious that if they have no competitive potency or not familiar with competition technique, they may be devastated. banking system aims to collect t...
a novel and ultra low cost isfet electrode and measurement system was designed for isfet application and detection of hydronium, hydrazinium and potassium ions. also, a measuring setup containing appropriate circuits, suitable analyzer (advantech board), de noise reduction elements, cooling system and pc was used for controlling the isfet electrode and various characteristic measurements. the t...
in this investigation the effect of external field on the electron density of nanostructures of cds, cdse, cdte, gaas and polymeric structure of three, four, five and six units of cds as a kind of nanosolar cells has been studied theoretically. as modeling this system in nanodimension, molecular structures has used. specific properties of molecular structures permit us to consider different sym...
Purpose Air quality and its assessment in urban areas has become a necessity. This is attributed to the increasing air pollution landscape from anthropogenic activities necessary for economic growth development. study investigates potential health risk posed nitrogen dioxide (NO 2 ) residents of low town Mohammedia city, Morocco. Design/methodology/approach The NO concentration was measured on ...
We present and elaborate on a method for analyzing and interpreting data from an Urbanistics project. A fuzzy Hassefication technique was applied to data gathered from this project. Then an algorithm that compares Hasse diagrams was u~d. The resulting mappings are evaluated for their "goodness of fit." These results were then interpreted and summarized in order to determine if the methodology i...
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