نتایج جستجو برای: scale phenomenon

تعداد نتایج: 723481  

Implicit pressure-explicit saturation method (IMPES) is widely used in oil reservoir simulation to study the multiphase flow in porous media. This method has no complexity compared to the fully implicit method, although both of them are based on the finite difference technique. Water coning is one the most important phenomenon that affects the oil production from oil reservoirs having a water d...

Journal: :iranian economic review 0

alternative theoretical perspectives have been presented to explain internationally effective factors affecting immigration. for example, the orthodox explanation of migration is based on the concept of wage differentials as an important factor of international immigration. the world system approach declines to interpret theoretically international migration as a phenomenon between independent ...

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2009
R D Narhe M D Khandkar P B Shelke A V Limaye D A Beysens

Water droplets can jump during vapor condensation on solid benzene near its melting point. This phenomenon, which can be viewed as a kind of micro scale steam engine, is studied experimentally and numerically. The latent heat of condensation transferred at the drop three phase contact line melts the substrate during a time proportional to R (the drop radius). The wetting conditions change and a...

فخرزاده, حسین , لاریجانی, باقر ,

The behavior of tissue fragments in permissive jells is like liquid drops. Under appropriate conditions this phenomenon could be used to print tissues of prescribed shape. Application of the principles of rapid prototyping to tissue engineering or robotic biofabrication is a novel technology that holds promising future in producing suitable human organs in large scale. An introductory discussio...

Journal: :مدیریت دولتی 0
سید جلیل لاجوردی استادیار مدیریت دولتی، دانشکدۀ مدیریت، دانشگاه شهید بهشتی، تهران، ایران علی ملاجان کارشناس‎ارشد مهندسی سیستم‎های اقتصادی ـ اجتماعی، دانشکدۀ مدیریت و اقتصاد، دانشگاه صنعتی شریف، تهران، ایران

today, “civil order” may be regarded as one of the most important “functional requirements” (fr) of any city, as a real, complex, large-scale system. in this regard, learning about dynamic behavior of the civil order phenomenon and analysis of all information obtained from “operational environment” associated with the system of interest may be considered an essential step in the process of “cri...

Journal: :iranian journal of science and technology transactions of mechanical engineering 2015
r. ansari r. gholami

a nonlocal beam model based on the bernoulli–euler beam theory is presented to investigate the dynamic stability of embedded single-walled carbon nanotubes (swcnts) in thermal environment under combined static and periodic axial loads. the dynamic stability analysis is carried out by including the effects of small-scale parameter, temperature change and elastic medium. the equation of motion is...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده علوم انسانی و اجتماعی 1389

today the image of a permanent skeletal space of cities affected by some forces or mechanisms is put in time with social-economic development and while imposes a new face and perspective to physical anatomy of cities, and prepares field to changes in content and social- economic structures of cities too. simultaneously with quitting villages in order to settle in cities by villagers, the phen...

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