نتایج جستجو برای: physical parameter

تعداد نتایج: 863777  

2012
Mark Shortis

This paper describes close-range calibrations of multiple Sony Alpha NEX 5 consumer digital cameras with multiple interchangeable lenses. The standard physical parameter set and a standard parameter set with affinity and orthogonality terms are tested with both block-invariant and photo-invariant principal point parameters. The impact of the parameter sets is analysed to determine the effective...

2004
Monika Lundell

This paper presents work on modelling the qualitative behaviour of physical systems of spatially distributed parameters. The distribution of each parameter is given as a set of observation points. A metric diagram is constructed by defining a connectivity structure on the point set. The metric diagram is used to construct a topological map that represents the distribution of the parameter as a ...

Journal: :international journal of nanoscience and nanotechnology 2011
n. farhadian

in this work, a molecular dynamics simulation of the transport of water - methanol mixture through the single wall carbon nanotube (swcnt) is reported. methanol and water are selected as fluid molecules since water represents a strongly polar molecule while methanol is as an intermediate between polar and strongly polar molecules. some physical properties of the methanol-water mixture such as r...

Journal: :iranian journal of radiation research 0
f. tabeie i. neshandar asli s.m. aghamiri k. arbabi

background: annual patient effective dose equivalent can be considered as a quantitative physical parameter describing the activities performed in each nuclear medicine department. annual staff dose equivalent could be also considered as a parameter describing the amount of radiation risk for performing the activities. we calculated the staff to patient dose equivalent ratio to be used as a phy...

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

جهت بررسی تاثیر فعالیتهای گروهی کاردرمانی ( گروههای ورزشی ‏‎physical exercise group‎‏ ، و گروههای بحث ‏‎discussion group‎‏ ) بر کاهش میزان افسردگی معتادین مرکز بازپروری تهران، معتادینی که در ده روز متوالی در مرکز بازپروری فوق پذیرش شدند. با آزمون سنجش افسردگی بک ‏‎beck depression scale‎‏ مورد ارزیابی قرار گرفتند و تعداد 60 نفر از آنها که در آزمون فوق نمره بالاتر از 15 را کسب نمودند براساس ویژگی...

Journal: :نشریه مهندسی عمران و نقشه برداری 0
امیدرضا صفی یاری دانشگاه تهران محمدعلی بنی هاشمی دانشگاه تهران

in this research, using an expansive channel in plan and along the longitudinal profile, deltaic reservoir sedimentation was studied. sedimentation in bed load governed conditions and delta formation in reservoir environment is a function of various parameters such as: geometrical shape of reservoir, bottom slope, hydrological properties and hydraulic conditions of inflowing stream, sediment lo...

Journal: :Physical review letters 2000
Kotliar Lange Rozenberg

In the context of the dynamical mean-field theory of the Hubbard model, we identify microscopically an order parameter for the finite temperature Mott end point. We derive a Landau functional of the order parameter. We then use the order parameter theory to elucidate the singular behavior of various physical quantities which are experimentally accessible.

Journal: :آب و خاک 0
لاله پرویز مجید خلقی پرویز ایران نژاد شهاب عراقی نژاد خلیل ولیزاده

abstract land surface hydrological models has importance in the determination of soil moisture and temperature, the rate of evapotranspiration, stream flow by emphasis on the land surface physical and dynamic process descriptions. in this research, vic land surface hydrological model has been used for the land surface temperature and stream flow determination. the vic runoff simulation in each ...

Journal: :IACR Cryptology ePrint Archive 2011
ZiJie Xu Ke Xu

We had found functions can be used to fix bits [2] by given differences. We use these functions build a message expansion function. In the message expansion function, there are some bits include message bits and incremental bits produced from message bits, these bits will be used as parameter of date-depend function. This message expansion function will fixed at lease n × 5 . 5 bits with given ...

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