نتایج جستجو برای: 96 for irans urban system hence

تعداد نتایج: 11057380  

Journal: :IEEE Trans. Circuits Syst. Video Techn. 2002
Peter J. Cherriman Ee-Lin Kuan Lajos Hanzo

Since wireless channels exhibit dramatic near-instantaneous channel-quality fluctuations, it is unrealistic to expect that a transceiver relying on time-invariant modulation and coding modes is capable of delivering as good a performance as a near-instantaneously adaptive arrangement. Hence, a near-instantaneously adaptive joint-detection code division multiple access (CDMA)-based video transce...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور استان مازندران - دانشکده جغرافیا 1393

چکیده پیشرفت های روزافزون در دهه های اخیر در زمینه تکنولوژی، جمع آوری و ذخیره اطلاعات سبب گشته که کاربران و برنامه ریزان با حجم بسیار زیادی از اطلاعات مواجه گردند. در شهرداری های ما نیز یک سیستم مدیریت اطلاعات کارآمد صورت نمی گیرد و انواع اطلاعات مکانی را که در شهرداری ها جمع آوری می شود انبوهی از اطلاعات است که به صورت سنتی استفاده می شود. در روش سنتی فعلی، اطلاعات در قالب اسناد و نقشه های ک...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد علوم دارویی - پژوهشکده علوم 1392

purpose a metabolic abnormality such as obesity is a major obstacle in the maintenance of the human health system and causes various chronic diseases including type 2 diabetes, hypertension, cardiovascular diseases, as well as various cancers. this study was designed to summarize the recent scientific knowledge regarding the anti-obesity role of curcumin (diferuloylmethane), which is isolated f...

2018
Jordan Cambe Patrice Abry Julien Barnier Pierre Borgnat Marie Vogel Pablo Jensen

We study how individual use of Vélo’v a bike sharing system located in Lyon, France evolves over time, using a 5-year dataset covering 121,000 long-term distinct users. Users follow two main trajectories. About 60% stay in the system at most one year, showing a low median activity (47 trips). The remaining 40% correspond to more active users (median activity of 96 trips on their first year) tha...

Mahmoudiani, Serajeddin,

The spatial distribution of cities, as well as their management in Iran, has not taken place within the framework of a national program. Hence, the problems caused by the rapid extend of urbanization have complex dimensions. The present study using analysis of census data seeks to show the status and changes of urbanization in Iran. The results show that the urban population of the country has ...

پایان نامه :دانشگاه تربیت معلم - تهران - دانشکده علوم انسانی 1390

abstract al- muntazam by ibn al -jawzi is one of the greatest the book ancient book of texts on history of islam in the 6th century.it is very important one;because of including rare reports which are not found any where.in addition to historical reports,his outlook , in which embodies information on mythologies, milal wa nihal (sects and creeds), geography, and political, social and religiou...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده مدیریت 1392

data envelopment analysis (dea) is a powerful tool for measuring relative efficiency of organizational units referred to as decision making units (dmus). in most cases dmus have network structures with internal linking activities. traditional dea models, however, consider dmus as black boxes with no regard to their linking activities and therefore do not provide decision makers with the reasons...

2003
Sandra Martin

The biphenyl-bridged. chiral zirconocene complex rac-2.2' -biphenyl-bis( 3.4-dimethylcyclopentadienyl I zirconium dichloride catalyzes the reaction of 1.6and 1,7 -dienes with excess dibutyl magnesium to bis( butyl-magnesio-methyl '-substituted cycloalkanederivatives. Analogous reactions occur with butyl magnesium chloride and with heteroatom-t.:Ontaining dienes. The preference of 1.6-dienes for...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده مدیریت و اقتصاد 1391

abstract nowadays, industries cannot play a crucial role in national and international competitions. the tourism industry is no exception. tourism industry development as the most important economic sector and income generation is one of the key challenges of economic development in the world. therefore, countries were successful that take advantage of the capabilities of tourism sector using ...

2016
M. Joanicot P. Pieranski

2014 Recently we have developed a Couette viscosimeter for studying the shearing of colloidal crystals. We report here that with increasing shear rate the colloidal crystal melts (for 03C9crit) and above a critical shear rate, 03C9T0, Taylor instabilities develop. After stopping the shearing flow the suspension recrystallizes in a special texture which preserves the pattern of the Taylor rolls....

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