نتایج جستجو برای: electrical field
تعداد نتایج: 954775 فیلتر نتایج به سال:
in order to assess drought stress and planting date effects applied on original plant, on the electrical conductivity rate of the subsequent seeds, this research was performed in two parts at the research field and laboratory during spring 2008. the field experiment was performed as a completely randomized block design (crbd) with 20 treatments and three replications. treatments included the se...
در کار حاضر روش جدید ترکیبی برای کنترل جریان اطراف استوانه ارائه شده است. در این روش جدید کاربرد همزمان محرک های الکتروهیدرودینامیکی و صفحه جداکننده بررسی شده است که این روش می تواند به طور همزمان لایه مرزی و گردابه های پشت استوانه را تحت تاثیر قرار دهد. برای ایجاد پایه های نظری و تحلیل معادلات حاکم بر جریان در کار حاضر ابتدا به شناسایی پدیده ehd و اثرات آن در حرکت سیال پرداختیم که برای الکترو...
Introduction: It has been reported that cardiovascular effects are among the possible health effects of being exposed to extremely low frequency electromagnetic fields (ELF EMSs). Material and Methods: This study has been conducted to evaluate the long term effects of exposure to magnetic and electric fields on electrocardiogram signal changes. Nine power transmission posts having different vol...
Background and Objectives: Epilepsy is a chronic neurological disorder that requires long treatment with less side effects. Therefore, this study aimed to determine the effect of sodium valproate and electrical stimulation of the brain with low frequency (LFS) on the motor activity of male rat during hippocampus rapid kindling. Material and Methods: In this experimental study, 56 male adult ra...
this study investigates the relationship between field-related cognitive styles and global reading comprehension of hypertext. technically, field dependency is prevailing dominance of field on perception of parts, while global comprehension is skim-like reading to grasp the general content. in this research project, 60 senior and junior students of arak university majoring in english literature...
Application of a direct-current electrical field for very short times can serve as a practical nonthermal procedure to reduce or modify the microbial distribution in gel beads. The viability of Escherichia coli and Serratia marcescens entrapped in alginate and agarose beads decreases as the field intensity and duration of electrical field increase.
The effect of extracellularly applied electrical fields on neuronal excitability and firing behavior is attributed to the interaction between neuronal morphology and the spatial distribution and level of differential polarization induced by the applied field in different elements of the neuron. The presence of voltage-gated ion channels that mediate persistent inward currents (PICs) on the dend...
The effects of field strength and multiple thermal treatments on electrical conductivity of strawberry products were investigated. Electrical conductivity increased with temperature for all the products and conditions tested following linear relations. Electrical conductivity was found to depend on the strawberry-based product. An increase of electrical conductivity with field strength was obvi...
Testing of the coincidence of a linear accelerators X-ray field and the light field as a quality control test is often done in a subjective method, involving the manual marking of pieces of film and the visual inspection of the film after irradiation. The purpose of this study was to develop an objective method for performing this test, while also increasing the accuracy, precision and the spee...
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