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language learning courseware has been receiving growing attention by english educators since its advent. a variety of softwares have been designed by software designers and resorted to by language educators to supplement language textbooks. this experimental study investigated how the application of computerized version of language textbooks and the reception of the entire course through comput...
Background and Aim: Heart rate variability used as a non-invasive method to investigate the effect of aerobics exercise on the cardiac autonomic system. The aim of this study was the nonlinear analysis of the effect of aerobic exercise in the water on the cardiac autonomic system in academic youngchr('39')s males. Materials and Methods: A total of 28 young men were purposefully selected and ra...
a phase-locked loop (pll) based frequency synthesizer is an important circuit that is used in many applications, especially in communication systems such as ethernet receivers, disk drive read/write channels, digital mobile receivers, high-speed memory interfaces, system clock recovery and wireless communication system. other than requiring good signal purity such as low phase noise and low spu...
Introduction: Ischemic preconditioning (IPC) protects skeletal muscles from ischemia-reperfusion injury and improves physical exercise performance. The purpose of the present study was to determine whether application of remote ischemic preconditioning (RIPC) of upper limbs would affect the pulmonary function tests and the maximal oxygen consumption (VO2max). Methods: Twenty healthy trained...
the aim of this study was to investigate the effect of endurance, resistance and concurrent training on plasma leptin levels of male students. for this purpose, 48 male university students (mean age 21.45 years) participated in this study. subjects were randomly assigned to three exercise groups: endurance group (n=12), resistance group (n=12) and concurrent group (n=12) and a control group (n=...
the effect of clonidine, a central alpha2-adrenoreceptor agonist on reduction of anxiety, producing sedation and attenuation hemodynamic changes, were assessed during thissemi-experimental study in one of the hospitals of iran medical sciences university in tehran, 1994. fifty surgical patients of either sex, 18-60 years of age, with asa physical status i or ii, gave informed consent to enter...
Aims: The aim of this study was to evaluate the effect of stress inoculation on laboratory markers such as heart rate variability and salivary cortisol and clinical outcomes (anxiety, stress and depression) of patients undergoing coronary artery bypass graft surgery. Methods & Materials: The research is a semi experimental study with the pre, post-test and experimental and control groups. The...
background: resveratrol has beneficial effects on cardiovascular system. this study aimed at examining antidiabetic and antihypertensive effects of resveratrol in rats with simultaneous type 2 diabetes and renal hypertension. methods: eight groups (8-10 each) of male spargue-dawley rats, including a control, a diabetic (induced by streptozotocin and nicotinamide), a renal hypertensive (induced ...
abstract this study aimed at investigating the impact of etymology strategy instruction on the development of vocabulary of iranian intermediate efl learners. etymology, knowledge of origin of words, roots, and affixes, has proved to be a controversial issue and a question of long debate with regard to its impact on the process of vocabulary learning. this study employed etymology strategy in ...
The effect of clonidine, a central alpha2-adrenoreceptor agonist on reduction of anxiety, producing sedation and attenuation hemodynamic changes, were assessed during thissemi-experimental study in one of the hospitals of Iran medical sciences university in Tehran, 1994. Fifty surgical patients of either sex, 18-60 years of age, with ASA physical status I or II, gave informed consent to ent...
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