all the producing and assembling processes exert residual stress on the pieces that may lead to structural failure. therefore, calculating the residual stress in such structures has been common in recent years. in this article, distribution of temperature and residual stress resulting from arc welding in three-pass butt joint in p91 austenitic stainless steel pipes is calculated and estimated u...

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. The results of the thermo-mechani...

Background: Job stress is defined as the harmful physical and emotional responses happening when the requirements of the job do not match the capabilities, resources, or needs of the worker. Some jobs such as nursing are stressful. The aim of this study was to investigate the effects of group acceptance and commitment therapy (ACT) on job stress and burnout among pediatric oncology and special ...

the goal of this study was to assess the result of solution- based group counseling in reducing job stress in the female employees of the educational foundation  of ghalamchi in 2009.the target group included the entire female employees of that foundation. a group of 24 women were selected  and  randomly grouped as the control and experimental groups. the data was collected using pillip l-rice`...

This study aimed at investigating the effect of visual (Cuisenaire Rods) and auditory nonsensical monosyllables using Pratt speech processing software as teaching techniques on retention of word stress. To this end, 60 high school participants made the two experimental groups of the study each having 30 students on the basis of their proficiency scores on KET (Key English Test). In one experime...

A series of tests were performed to investigate the creep characteristics of soil in interactive marine and terrestrial deposit of Pearl River Delta. The secondary consolidation test results show that the influence of consolidation pressure on coefficient of secondary consolidation is conditional, which is decided by the consolidation state. The ratio of coefficient of secondary consolidation a...

background: the aim of present study was to determine the influence of stress management on affective control and distress tolerance in mothers of children with sensory-motor disabilities. methods: this current study was a study with pretest-posttest and treatment group. the thirty mothers of children with sensory-motor disabilities were selected from sensory-motor disabilities center in qum by...