نتایج جستجو برای: in an urban area

تعداد نتایج: 17781141  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تهران 1376

‏‎‏‎utopia has, for four centuries, accompanied that hope of progress and that striving for betterment. it now straggles against a widespread sense that this has been an illusion, or an impossible dream. the utopian idea can never entirely disappear, but utopia as a form of the social imagination has clearly weakened. if it cannot instill its vision in the public consciousness, the consequences...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تحصیلات تکمیلی علوم پایه زنجان - دانشکده فیزیک 1392

in the first part of this thesis we explored wetting and its dynamics for small droplets. first, we showed how a simple feature of water droplets on a surface, i.e. laplace pressure, can be exploited to build a micropump. we investigated capillary pumping in microchannels both experimentally and numerically. putting two droplets of different sizes at the in/outlet of a microchannel, will ge...

Journal: :acta medica iranica 0
m. h. lotfi s. charkhatti s. shobairi

breast cancer is the most common malignancy in women in many parts of the world. the risk factors for breast cancer cover a broad range of conditions, from age to complex genetic alterations. present data is showing an increase in the annual incidence rates of disease and it is ranked as the first recorded malignancies among iranian women after 1999. to study the association of reproductive and...

Journal: :فیزیک زمین و فضا 0
وحید ابراهیم زاده اردستانی مؤسسه ژئوفیزیک دانشگاه تهران، دانشیار

micro gravity data was collected in a crowded street in tehran where a subway terrain tunnel is to be excavated. the data is corrected for the gravity effects of the surrounding densely built up area with diverse buildings and the bouguer gravity anomalies are computed. the residual gravity anomalies are prepared by removing a trend surface. upward continuation is used to remove the gravity eff...

Journal: :middle east journal of digestive diseases 0
mohammad javad zahedi sodaif darvish moghadam mehdi hayat bakhsh abbasi masood dehghani sara shafiei pour hamideh zydabady nejad

background the incidence of inflammatory bowel disease (ibd) varies among different societies. the aim of this study is to determine the incidence rate of ibd in kerman, a city in southeast iran. methods all medical records that indicated a new diagnosis of ulcerative colitis (uc) or crohn`s disease (cd) were retrieved from the gastrointestinal endoscopy and pathology departments of 12 centers ...

B. Tamir G. Abebe K. Zaralis W. Tsega,

This study was initiated to characterize urban and peri-urban sheep production systems and their economic importance in and around the towns of Debre Berhan and Dessie, Ethiopia. The study was undertaken using group discussions, structured questionnaire and personal observations. In both locations the majority of sheep producers were male household heads and predominantly traders in urban and f...

Journal: :مرتع و آبخیزداری 0
شهرام خلیقی استادیار دانشکدة منابع طبیعی دانشگاه تهران، کرج محمد رستمی خلج دانشجوی دکتری آبخیزداری، دانشکدة منابع طبیعی دانشگاه تهران، کرج محمد مهدوی استاد دانشکدة منابع طبیعی دانشگاه تهران، کرج علی سلاجقه استاد دانشکدة منابع طبیعی دانشگاه تهران، کرج

large impervious surfaces and man-made waterways are the characteristic of urban area. increasing urbanization and rapid growth of cities in recent decades towards the upstream watershed, has been severely affected on rainfall-runoff processes in urban area. therefore, to computer models in order to illustrate these processes the proper design or assessment of urban drainage systems has special...

Journal: :تحقیقات جغرافیایی 0
زیبا پرنون دانشگاه شهید بهشتی لیلا واحدیان بیکی دانشگاه تهران حسین حاتمی نژاد دانشگاه تهران

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 ...

Hassanali Laghai, Seyedeh Maryam Gilani

One of the most important natural factors and critical facilities in Tehran is presence of AlborzSlopes River-Valleys which have been considered as natural tourist places for citizens since a long time ago, especiallyin hot summers and play effective role in creating a balance between manmade and natural spaces. Importance ofthese river-valleys as ecological pathways is enhanced with the increa...

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