نتایج جستجو برای: physical activity in water
تعداد نتایج: 17297895 فیلتر نتایج به سال:
occupational burnout leads to a negative self-concept, and negative attitude toward the job. the role of physical activity in physical and mental health of community has been recognized as an integral component. this paper aims to determine the effect of physical activity training on occupational burnout. in this semi-experimental study carried out in the city of aghghalain the north of iran in...
attempts have been made to study the thermodynamic behavior of 1,3 butadiene purification columns with the aim of retrofitting those columns to more energy efficient separation schemes. 1,3 butadiene is purified in two columns in series through being separated from methyl acetylene and 1,2 butadiene in the first and second column respectively. comparisons have been made among different therm...
abstract this study was carried out to compare disinfecting effects of nanosilver with other feed disinfectants on layer hen performance, immune system, gastrointestinal microflora and intestinal morphology. total of 90 layers (lsl) were divided into five groups consisting: 1-control, 2- formalin (200 ppm), 3- formaycin (200 ppm), 4- nanosilver in drinking water (7.5 ppm) and 5-nanosilver in f...
abstract childhood and adolescence are critical periods for the skeleton. mechanical load has then been shown to be one of the best stimuli to enhance not only bone mass, but also structural skeletal adaptations, as both contributing to bone strength. exercise prescription also includes a window of opportunity to improve bone strength in the late pre- and early peri-pubertal period. there is so...
abstract english language learning in iran has become significant in recent years, and english has been included in the curriculum of iranian schools and universities, and considerable attention has been paid to this language in our society. nevertheless, teaching and learning english in iranian schools has not been able to satisfy the specified goals, so different efl institutes have been est...
increased level of stress has negative effects on cognitive functions. thus, it is necessary to identify appropriate strategies to prevent cognitive and motor performance decline. the aim of this research was to study the effect of immobilization stress on learning and memory and the protective role of physical activity in them. from male albino-wistar rats of pastor institute, 32 rats were ran...
we have two part in this thesis, at first: the interaction of native calf thymus dna (ct-dna) with two anthraquinones including quinizarin (1,4- dihydroxy anthraquinone) and danthron (1,8- dihydroxy anthraquinone) in a mixture of 0.04 m brittone-robinson buffer and 50% of ethanol were studied at physiological ph by uv-vis absorption, florescence, circular dichroism spectroscopic methods, viscos...
purpose : the aim of this study was to examine the influence of selected exercises on motor development in elementary school third grade girl students in ahwaz city, iran . methods : the present study was semi-experimental, performed as field and using experimental and control groups. the statistical population included all third grade girl students of elementary schools of ahvaz city (10,5...
background: reduced level of physical activity, as an important problem of urbanization and industrial development, has a considerable impact on the population morbidity and mortality. the rate of inactivity has been reported to be 60-85% in adults worldwide. considering the importance of physical activity among youth, the aim of this study was to evaluate the physical activity among university...
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