نتایج جستجو برای: performance test
تعداد نتایج: 1750805 فیلتر نتایج به سال:
laboratory data, which relate the liquefaction resistance of firoozkooh sand and non-plastic silt mixtures to shear wave velocity are presented and compared to liquefaction criteria derived from seismic field measurements by andrus and stokoe [1]. in the work described herein, cyclic triaxial and resonant column tests were conducted on specimens of clean sand and sand-silt mixtures with silt co...
Hover performance of a twin-rotor test model in terms of rotor overlap sweep, blade collective pitch, and blade tip speedwasexaminedexperimentally.The experimental setup consisted of two three-bladed rotors (tandem rotor configuration) with a diameter of1,220 mm and constant chord of 38 mm, giving a blade aspect ratio of 16.05. The blades were of a rectangular planform with NACA 0012 cross-sect...
In this study, the Draw-A-Man Test was administered to 183 Iranian children, 96 boys and 87 girls from age of 36 to 119.5 months. The subjects were selected randomly from middle-class families in Tehran. The results show that younger Iranian children scored higher than the older ones. In addition to the age differential on performance, sex differences on drawing a man were tested by means ...
The growing demand for quality and performance has become a discriminating factor in the field of software applications. Specifically in the area of web applications, performance has become a key factor for success creating the need for new types of performance evaluation models and methods capable of representing the dynamic characteristics of web environments. In this paper we will recall sem...
Introduction: The utility and discriminatory pattern of the clock face drawing test in ADHD is unclear. This study therefore compared Clock Face Drawing test performance in children with ADHD and controls. Methods: 95 school children with ADHD and 191 other children were matched for gender ratio and age. ADHD symptoms severities were assessed using DSM-IV ADHD checklist and their intellectua...
Each year, over 1 million Americans experience a nonfatal or fatal myocardial infarction or sudden death from coronary heart disease (CHD) [1]. Unfortunately, death or myocardial infarction is the first symptom in 55% of patients with coronary artery disease [2] and is usually due to dislodgement of a plaque causing acute coronary occlusion. However, about 30% of these patients present with isc...
Selection of components in contemporary computer networks is extremely important, not only because of the project budget but also because of the network performance. Therefore, it is necessary to perform tests before deploying devices. In this paper the authors show that the performance of test network devices is dependent on the nature of network traffic including its statistical properties. A...
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