نتایج جستجو برای: s electrical model

تعداد نتایج: 2846852  

2015
Sung Hee Park Sang-Gi Min Yeon-Ji Jo Ji-Yeon Chun

In the dairy industry, natural plant-based powders are widely used to develop flavor and functionality. However, most of these ingredients are water-insoluble; therefore, emulsification is essential. In this study, the efficacy of high pressure homogenization (HPH) on natural plant (chocolate or vanilla)-based model emulsions was investigated. The particle size, electrical conductivity, Brix, p...

Journal: :فیزیک زمین و فضا 0
محمدکاظم حفیظی مؤسسه ژئوفیزیک دانشگاه تهران، دانشیار بهمن عباسی مؤسسه ژئوفیزیک دانشگاه تهران- دانشجوی کارشناسی ارشد احمد اشتری تلخستانی مؤسسه ژئوفیزیک دانشگاه تهران- دانشجوی کارشناسی ارشد

introduction: occurrence of landslides depends on several factors such as the composition and structure of earth materials, rainfall level, temperature, groundwater regime and cover crops. landslides are a main natural hazard in iran, because of its special geological conditions and its mountainous active tectonic regime. linear civil structures, such as roads, highways and railways, face serio...

Journal: :BioMedical Engineering OnLine 2005

2014
Abdennaceur Jarray Mahdi Abdelkrim Mohamed Bouchiba Abderrahman Boukricha

Starting from an electrical dissipative illuminated one-diode solar cell with a given model data at room temperature (I sc , V oc , R s0 , R sh0 , I max ); we present under physical considerations a specific mathematical method (using the Lambert function) for unique determination of the intrinsic electrical parameters (n, I s , I ph , R s , R sh ). This work proves that for a given arbitrary f...

Journal: :تحقیقات مهندسی کشاورزی 0
بهزاد جمالی دانشجوی کارشناسی ارشد مهندسی منابع آب دانشگاه تهران کیومرث ابراهیمی استادیار گروه مهندسی آبیاری و آبادانی دانشگاه تهران

in the management of river basins, prediction of river water quality is essential to maintain water quality within standard limits. this study performed a time-series analysis of the prediction of chlorine concentration and electrical conductivity time series data for the period of 1991-2005 from sefidrood river in northern iran. the seasonal prediction of chlorine and electrical conductivity t...

ژورنال: علوم آب و خاک 2019

The aim of this study was to evaluate the spatial distribution of soil infiltration using geostatistics methods in a regional scale on 400 hectares of Mansour Abad Plain, in Larestan region, Fars Province. Sampling and parameters measurement were done for 78 points in a regular grid with a distance of 100*100 meters; for these variables, the best variogram model between linear, exponential, Gau...

جلال‌آبادی, اسماعیل , رحیمی‌کیان, اشکان ,

In this paper, a detailed mathematical model of a grid-connected micro-grid including wind-turbine, photo voltaic cells, CHP and Fuel Cell with respective uncertainties in electrical loads, thermal loads, PV and wind outputs are presented. Moreover, the effects of the considered uncertainties on the micro-grid’s operation cost are modeled as risk and this risk is reduced using Monte-Carlo...

Introduction: Donepezil (DON), an Acetylcholinesterase Inhibitor (AChEI), is widely used in the treatment of Alzheimer’s Disease (AD). The current study aimed at evaluating the effect of donepezil hydrochloride on pyramidal neuron response in CA1 region of a rat model of AD. Methods: In the current experimental study, adult male Wistar rats were randomly divided into four groups: Nucleus Basal...

M Niyazi N Atapour

Kindling is a very suitable animal model for studying basis mechanisms of epilepsy. In this model , repeated exposure to weak electrical or chemical increases neuronal excitability and there fore decreases the threshold for induction of epileptic seizures. According to abundant distribution of opioid peptides and their receptors in different brain structures and also the role of these receptors...

Pitch control is one of t he  major aspects of wind turbine control, particularly over high wi nd s p e e d  a n d  oscillations. General El e c t r i c  (GE) model of  wi n d  t ur bi ne  i s practically compatible with the structure of the wind turbines. I t  h a s  b e e n  p r o v e d t h a t  simulation results using this model are closer to the actual case, compared to other available mod...

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