نتایج جستجو برای: experimental stress analysis
تعداد نتایج: 3723468 فیلتر نتایج به سال:
Abstract Introduction: Various studies have shown that stress is one of the environmental factors affecting the symptoms of patients with inflammatory bowel disease. Objective: The purpose of this study was to determine the effectiveness of mindfulness-based cognitive therapy on perceived stress in patients with ulcerative colitis. Materials and Methods: This study was a quasi-experimental s...
The size and length effects of an inclusion on multi-pass copper shaped-wire drawing were investigated. For this purpose, an experimental investigation on optimal die half-angle was conducted. Based on experimental data of optimal die half-angle, wire and inclusion deformations, drawing and hydrostatic stress of copper shaped-wires that contain an inclusion were calculated by two-dimensional fi...
The aim of this study is to investigate the effect of "life-skills" training on stress and Youths' stress-coping methods in pseudo family centers. 50 individuals (30 girls and 20 boys) were selected from the available sample in the youth pseudofamily centers: 15 centers in Isfahan, 25 in Khomeini Shahr and 10 in Shahr Reza. These samples were randomly divided into two groups, as control and exp...
aims and background: sleep disorders are one of most common of comorbid problem in irritable bowel syndrome (ibs) patients the purpose of this research, was the determine the efficacy of dialectical behavioral group therapy on sleep problems and stress of ibs patients. materials and methods: therefore, 52 ibs patients who received this diagnosis, according the rome ii criteria, were selected a...
aim and background: stress is one of the risk factors for heart diseases. it also reduces general health in patients with heart diseases. the aim of this research was to evaluate the effectiveness of cognitive-behavioral stress management interventions on general health among patients with heart diseases. methods and materials: a total number of 26 patients with heart diseases were selected by ...
abstractof two mcall programs introducing 100 vocabulary items through two im the researcher of the present study was intrigued to compare the effects age modalities (pictures and streaming video) with those of a conventional method (teacher instruction) in an efl context. she set out to investigate whether such multimedia environments could provide a more effective environment for vocabulary...
loading conditions and complex geometry have led the cylinder heads to become the most challenging parts of diesel engines. one of the most important durability problems in diesel engines is due to the cracks valves bridge area. the purpose of this study is a thermo-mechanical analysis of cylinder heads of diesel engines using a two-layer viscoplasticity model. in this article, mechanical prope...
magnetic resonance imaging (mri) is a notable medical imaging technique that makes of phenomenon of nuclear magnetic resonance. because of the resolution and the technology being harmless, mri has considered as the most desirable imaging technique in clinical applications. the visual quality of mri plays an important role in accuracy of medical delineations that can be seriously degraded by exi...
The intent of this paper is to apply the discrete Fourier transform to the computation of eigenstress and eigenstrain fields around heterogeneities in composite materials. To this end the discrete Fourier transform is first briefly reviewed and then used to solve the basic equations of linear elasticity as pertinent to eigenstrained bodies under external loads. The results of this procedure are...
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