نتایج جستجو برای: active performance
تعداد نتایج: 1454797 فیلتر نتایج به سال:
Introduction: The ability to attain high level of speed is an essential component of success in many sports fields. However, physical qualities that underpin this ability remain unclear. The purpose of this study was to investigate the role of leg stiffness and vertical stiffness in predicting sprint running. Methods: 50 healthy females were selected among physical education students. The requi...
Background and aims: : Background and Aim: The aim of this study was to investigate the effect of sodium bicarbonate supplementation on the performance of continuous and intermittent anaerobic function in active girls. Materials and Methods: The present study was a quasi-experimental, applied and single-blind cross-sectional study. In this study, 12 active girls from Ahvaz participated in this ...
This paper deals with the control and stability enhancement of a wind power generation system feeding active load with constant power characteristic. The under study system is a combined wind-battery generation system with permanent magnet synchronous generator (PMSG) supplying active load by using interfaced power electronics converters. The employed active load is indeed an active rectifier b...
With the dramatic growth of nonlinear loads, it is desired to improve active filters performance and enhance their capacity. One of the most favorable methods is applying distributed active filter system (DAFS) in which leads to minimizing the cost, weight & size .The main purpose of this paper is to determine the locations and sizes of distributed active filter system (DAFS) With emphasis on r...
Accurate protein function prediction is an important subject in bioinformatics, especially wheresequentially and structurally similar proteins have different functions. Malate dehydrogenaseand L-lactate dehydrogenase are two evolutionary related enzymes, which exist in a widevariety of organisms. These enzymes are sequentially and structurally similar and sharecommon active site residues, spati...
Background and objectives: The cholinergic deficit correlates with the severity of Alzheimer’s disease. The cholinergic function can be improved by AChE inhibitors blocking this key enzyme in the breakdown of acetylcholine. Based on traditional medicine, during two last decades the use of herbal medicinal substances in dementia therapy has been studied. The fruit extract of <em...
Introduction: The gap between theory and practice in clinical fields, including nursing, is one of the main problems that many solutions have been suggested to eliminate it. In this article, we have tried to investigate its solution through active learning. Methods: In this review article, searching articles published during 2000-2012 was done through library references, scientific databases. ...
An effective wide band active control law through one kind of the Dynamic Vibration Absorber (DVA) is proposed and studied in this paper. With the help of mechanical impedance method, active DVA control law is formulated based on the passive mechanical model. The electrical DVA can generate multi-mode active damping to the structure. The host structure is an aluminum plate and acceleration sign...
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