نتایج جستجو برای: tehran geosystem consist of boundary
تعداد نتایج: 21184725 فیلتر نتایج به سال:
Many real networks have cliques as their constitutional units. Here we present a family of scale-free network model consist of cliques, which is established by a simple recursive algorithm. We investigate the networks both analytically and numerically. The obtained analytical solution shows that the networks follow a powerlaw degree distribution, with degree exponent continuously tuned between ...
به طور کلی در فرآیندهای مارکوف ارگودیک دو بعدی یافتن فرم بسته توزیع ایستا، تنها برای حالات خیلی خاص امکان پذیر است. با توجه به این مشکل و نیز با توجه به اهمیت توزیع ایستا، بررسی و مطالعه رفتار مجانبی توزیع ایستای این فرآیندها مورد توجه قرار گرفته است. زنجیر قدم زدن تصادفی دو بعدی که در برخی متون به آن، فرآیند qbd دو طرفه نیز می گویند، یکی از این فرآیندها است. یک فرآیند qbd زمان گسسته یک زنجیر م...
This paper presents an exact analytical solution for two-dimensional conductive heat transfer in spherical composite pressure vessels .The vessels are in spherical shape and fibers are winded in circumferential direction. The analytical solution is obtained under the general boundary conditions which consist of convection, conduction and radiation inside/outside of vessel. The heat transfer equ...
New strategies for preservation of geodiversity and geosystem services need to be developed mountain areas that are vulnerable climate change human activities. Detailed geomorphological ...
abstract the primary purpose of this study was to explore the actual practices and cognitions of two groups of iranian eap teachers, i.e. language teachers and content teachers, with respect to teaching reading-comprehension and vocabulary. to this end, tehran university of medical sciences which authorizes both groups of teachers to teach eap courses was selected as the context of the study s...
this paper presents an exact analytical solution for two-dimensional conductive heat transfer in spherical composite pressure vessels .the vessels are in spherical shape and fibers are winded in circumferential direction. the analytical solution is obtained under the general boundary conditions which consist of convection, conduction and radiation inside/outside of vessel. the heat transfer equ...
FORMATION OF GULLIES BY AVALANCHES OF GRANULAR CO2 ICE PARTICLES. T. Ishii, H. Miyamoto, S. Sasaki and E. Tajika, Department of Earth and Planetary Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan, ([email protected]), Department of Geosystem Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan, National Astronomical Observa...
Department of materials-process Engineering & Applied Chemistry for Environments Faculty of Engineering and Resource Science, Akita University, Akita 010-8502, Japan Korea Resources Corporation (KORES), 646-48, Shindaebang-Dong, Dongjak-Gu, Seoul, 156-706, Korea Venture Business Laboratory, Akita University, Akita 010-8502, Japan Kubota Corporation, Hanshin Office, Amagasaki 661-8567, Japan RAC...
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