نتایج جستجو برای: speed factor
تعداد نتایج: 1038602 فیلتر نتایج به سال:
Background and Aim: Musculoskeletal abnormalities are among the factors affecting on physical activities. The aim of this study was to compare degree of agility, speed, and power between 3 groups of male junior high school students having unnatural out-toeing (i.e. two groups, one with 16-23 degrees and one with 0-6 degrees) and one natural group (7-15 degrees of out-toeing). Materials a...
development and validity of the persian handwriting assessment tool for primary school-aged children
conclusions the persian handwriting assessment tool as a comprehensive and quickly scored tool that can help therapists identify primary school students with handwriting problems so that appropriate interventions for these students can be implemented. methods this methodological study was conducted in tehran, iran during 2015 - 2016. measurement items were selected by reviewing the past literat...
Introduction: Emotional reactivity has a role in the creation and continuation of many psychological disorders, but the measurement tools of this component are limited. The purpose of this study was to assess the psychometric adequacy of the Persian version of the Emotional Reaction Scale (ERS). Method: This is a descriptive cross-sectional study. The sample consisted of 300 students of Kas...
Direct torque control (DTC) is a fast and simple torque control method for induction motor without speed sensor. Conventional AC-DC-AC converter has a large DC link capacitor and low power factor in the input power line. In the matrix converters the DC link capacitor can be reduced and the unity input power factor can be obtained. In this paper a new method for direct torque and stator flux con...
In the paper the data from the 9 countries participating in the IEA 10-Year Trend Study of reading literacy was reanalyzed using multivariate methods. In the first step a three-factor latent-variable model was fitted to the scores from the 15 textblocks included in the reading test. One factor was a reading comprehension factor, another was interpreted as a speed factor, and the third factor re...
Studies on human perception have identified pelvis and torso motion as key discriminators between male and female gaits. However, while most observers would advocate that men and women walk differently, consistent findings and explanations of sex differences in gait kinematics across modern empirical studies are rare. In the present study we evaluated sex differences in whole body gait kinemati...
The purpose of this study was to increase our understanding of Traffic Safety Culture (TSC) by identifying its constituent components. A review of existing safety culture literature was conducted. Next, 18 international experts participated in a Delphi Technique to rate candidate TSC components. Corresponding survey items were then developed and pretested. Our final survey instrument was mailed...
The aim of the study was to assess the impact of motor abilities and morphological characteristics on junior judoka performance. A set of 14 morphological parameters and a set of 14 motor tests as predictor variables, and 3 variables evaluating judo performance as criteria were applied in a sample of 40 judoists aged 17 years +/-6 months. Three factors were isolated by factor analysis in morpho...
this thesis is presented 10 ghz voltage controlled ring oscillator for high speed application. the voltage controlled ring oscillator was designed and fabricated in 0.13یm cmos technology. the oscillator is 7-stages ring oscillator with one inverter replaced by nand-gate for shutting down in the ring oscillator during idle mode. tri-state inverter was used to control of 126 bit vector in ri...
We have previously shown that 21-day chronic restraint stress impacts instrumental learning, but overall few studies have examined sex differences on the impact of stress on learning. We further examined sex differences in response to extended 42-day chronic stress on instrumental learning, as well as recovery from chronic stress. Rats were tested in aversive training tasks with or without prio...
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