نتایج جستجو برای: stress life method
تعداد نتایج: 2680494 فیلتر نتایج به سال:
Life testing often is consuming a very long time for testing. Therefore, the engineers and statisticians are looking for some approaches to reduce the running time. There is a recommended method for reducing the time of failure, such that the stress level of the test units will increase, and then they will fail earlier than normal operating conditions. These approaches are called accelerated li...
Welded beam-to-column connections of high-rise steel structures are susceptive to fatigue damage under wind loading. However, most fatigue assessments in the field of civil engineering are mainly based on nominal stress or hot spot stress theories, which has the disadvantage of dependence on the meshing styles and massive curves selected. To address this problem, in this paper, the equivalent s...
the aim of this study was to compare overall life satisfaction, subjective well-being, family stress, and stress symptoms of wives of three groups of iranian disabled veterans.participants included 97 wives of three groups of disabled veterans (group 1with 25-49% disability; group 2 with 50-69% disability; and group 3 with larger or equal to 70% disability). the participants were selected rando...
Background: Breast cancer according to global statistics, is the most commonly diagnosed cancer in women throughout the world. The most obvious outcomes of breast cancer are psychological problems such as stress in patients which this lead to reduce the quality of life in patients. The purpose of this study is to determine the relationship of perceived stress with the quality of life in women s...
BACKGROUND Daily-life stress sensitivity is associated with depression, but prospective data are lacking. AIMS To examine associations between baseline ecological daily-life stress sensitivity and later depression, and to identify genetic and non-genetic factors moderating the transition from stress sensitivity to depression. METHOD Daily-life stress sensitivity was assessed at baseline in ...
Background Borderline Personality Disorder (BPD) affects 0.9%-3.2% of adolescents, and more than 20% of inpatient adolescents. Life stress has been linked to BPD across the lifespan, and previous research in adults has linked BPD to dependent stress (i.e., stress induced by the individual). However, prior research has not examined dependent stress alongside BPD in adolescents. Additionally, the...
Constant-stress procedure based on parametric lifetime distribution and model is often used for accelerated life testing in product reliability experiment. Maximum likelihood estimation is the typically statistical inference method. This paper presents a new inference method, named random variable transformation (RVT) method for Weibull constant-stress accelerated life test with progressively T...
Objective: The aim of present study was to investigate the effectiveness of stress management program on quality of life among methadone maintenance treatment members. Method: In this pre-test, post-test experimental study, 30 individual who referred to Saba MMT center in Pakdasht were randomly divided into experimental group (n=15 participants) and control group (n=15 participants). The experi...
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