نتایج جستجو برای: athletes growth and instruction
تعداد نتایج: 16941419 فیلتر نتایج به سال:
از فرآیند گرمای القائی در تکنولوژی و صنعت در موارد زیادی مانند جوش فلزات، بازپخت، متالورژی ]1[ رشد بلور ]4-2[، و ... استفاده می شود. در این روش ماده فلزی مورد نظر (قطعه کار مانند بوته)، داخل یک پیچه ی القائی قرار می گیرد. سپس با ایجاد یک جریان الکتریکی متناوب فرکانس بالا درپیچه (جریان رانشی)، میدان های الکتریکی و مغناطیسی متناوبی در اطراف پیچه ایجاد می شوند. با نفوذ این میدان ها در ماده فلزی مو...
nowadays, air pollution is a global problem that has had significant growth by technology development, population growth andindustrial development. industrial development brought natural resources deterioration, more manufacturing products, and more environmental pollutants. if pollutant won’t be controlled, human-being and wildlife will face the critical risks. significant release and critical...
the present study aimed to examine the relationship between coaches' leadership styles and some personal characteristics with group cohesion and team success. out of 135 athletes who participated in female volleyball championships of azad universities, 116 athletes (86%) completed the demographic questionnaire, leadership scale for sport (lss) and group environment questionnaire (geq). the...
the aim of this study was to investigate the effect of different sport fields, different training levels and their interactive effects on indicators of growth and sexual maturation of adolescent female athletes. the population consisted of all adolescent female athletes (aged 17-9) in gymnastics, volleyball and table tennis in arak city and the sample included 49 gymnasts, 82 volleyball players...
this study investigated the impact of explicit instruction of morphemic analysis and synthesis on the vocabulary development of the students. the participants were 90 junior high school students divided into two experimental groups and one control group. morphological awareness techniques (analysis/synthesis) and conventional techniques were used to teach vocabulary in the experimental groups a...
This study was undertaken as an attempt to compare the motivational needs of two groups of disabled athletes, i.e. war veterans and ordinary ones (non-veterans). The article tries to dig up proper and plausible answers for the following queries: Do the level of existence needs of war veteran disables athletes and other disabled athletes differ from one another? Are there any differences in the ...
Objective: The purpose of this investigation was to compare the levels of GH, IGF1, insulin, estradiol, serum lipids and CBC between prepubertal female athletes and non-athletes. Materials & Methods: Experimental group included 15 prepubertal gymnasts (10.89±1.6 y, 141.73±12.26 cm, 34.93±6.84 kg), 7 prepubertal fighters (12.14±2.03 y, 146.71±5.79 cm, 38.29±5.06 kg), 11 prepubertal swimmers ...
Drawing upon the methodology developed by Kenny and Acitelli (2001), this study examined empathic accuracy and assumed similarity in both parties' perceptions of coach-athlete relationships. One hundred and twenty-one coaches and athletes reported on their direct-perceptions and meta-perceptions of closeness, commitment and complementarity (3 Cs; Jowett & Cockerill, 2002), and of satisfaction w...
CONTEXT There is increased growth in sports participation across the globe. Sports specialization patterns, which include year-round training, participation on multiple teams of the same sport, and focused participation in a single sport at a young age, are at high levels. The need for this type of early specialized training in young athletes is currently under debate. EVIDENCE ACQUISITION No...
nowadays,tourism industry considered as one of the main sources of income of a country.unfortunately and despite of owning plenty of cultural historical and natural attractions, iran has not reached to a proper position in this field. besides, the historical cities of a country are considered as the income resource and national wealth of it. qazvin with a rich cultural precedent, have suitable ...
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