نتایج جستجو برای: open channels

تعداد نتایج: 524199  

B Keshavarzi D Bastani H Mobasheri MJ Abdekhodaie

Cardiac sodium channels are integral membrane proteins whose structure is not known at atomic level yet and their molecular kinetics is still being studied through mathematical modeling. This study has focused on adapting an existing model of cardiac Na channel to analyze molecular kinetics of channels at 9-37°C. Irvine et al developed a Markov model for Na channel using Neuronal Network Model ...

B Keshavarzi D Bastani H Mobasheri MJ Abdekhodaie

Cardiac sodium channels are integral membrane proteins whose structure is not known at atomic level yet and their molecular kinetics is still being studied through mathematical modeling. This study has focused on adapting an existing model of cardiac Na channel to analyze molecular kinetics of channels at 9-37°C. Irvine et al developed a Markov model for Na channel using Neuronal Network Model ...

Journal: :journal of agricultural science and technology 2010
m. m. ahmadi s. a. ayyoubzadeh m. montazeri namin j. m. v. samani

the purpose of this paper is to present a 2d depth-averaged model for simulating and examining unsteady flow patterns in open channel bends. in particular, this paper proposes a 2d depth-averaged model that takes into account the influence of the secondary flow phenomenon through calculation of the dispersion stresses. the dispersion terms which arose from the integration of the product of the ...

Journal: :تحقیقات آب و خاک ایران 0
کاوه بیجاد صلاح کوچک زاده سیدعلی ایوب زاده

secondary flow investigation could be regarded as an important issue in open channel flow, in spite of its lower quantity compared to the base flow in the water course. it should be given special consideration because of the influence on some hydraulic factors in open channel, specifically in compound channels. in compound channels' due to the difference in the flow velocity of the main ch...

Journal: :avicenna journal of neuro psycho physiology 0
alireza komaki neurophysiology research center, hamadan university of medical sciences, hamadan, ir iran; neurophysiology research center, hamadan university of medical sciences, hamadan, ir iran. tel: +98-8118380267, fax: +98-8118380131 aezam haghgooyan neurophysiology research center, hamadan university of medical sciences, hamadan, ir iran siamak shahidi neurophysiology research center, hamadan university of medical sciences, hamadan, ir iran abdolrahman sarihi neurophysiology research center, hamadan university of medical sciences, hamadan, ir iran iraj salehi neurophysiology research center, hamadan university of medical sciences, hamadan, ir iran

conclusions ip injection of cb1 receptor antagonist might have an anxiogenic profile in rat, whereas calcium channel blocker attenuated the anxiogenic effect of am251. our results suggest that there is an interaction between functions of l-type ca2+ channels and cannabinoid system in anxiety. background the elevated plus-maze (epm) has been broadly used to investigate anxiolytic and anxiogenic ...

Journal: :Current Biology 2002

Journal: :Journal of General Physiology 1988

Gholamreza Mohammadi Mohammad Abdolahipour-Haghighi Seyyed Ali Akbar Moosavi

An innovative Volumetric Current Meter (VCM) was designed in order to allow quick velocity measurements in open channels. At first, the coefficient of velocity (Cv) of the device was determined through calibration under different water velocities in the laboratory. The measurement performance was verified by measurements performed in similar flows in irrigation channels using an ordinary curren...

Journal: :پژوهش آب در کشاورزی 0
جمشید پیری مربی گروه مهندسی آب، دانشکده آب وخاک، دانشگاه زابل. حسین انصاری دانشیار گروه مهندسی آب، دانشگاه فردوسی مشهد. سمیه شیرزادی لسکوکلایه دانش آموخته دکترای اقتصاد کشاورزی دانشگاه زابل.

water distribution method based on the type of water conduits can be divided into two groups, namely, open and closed systems, while on the basis of the energy of the water flow, the two groups are gravity flow and pressurized flow. open channel type conveyance and distribution is achieved by gravity and includes channels made by embankment construction, excavation, or construction of prefabric...

This study makes use of the Tsallis entropy to predict the shear stress distribution. Given a definition of the Tsallis entropy, it is maximized by using the probability density function, which then is used to attain a novel shear stress equation. This is then employed for calculating the shear stress distribution in rectangular channels in different aspect ratios and finally, for viability, th...

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