نتایج جستجو برای: stress analysis

تعداد نتایج: 3186417  

دهقانی, حمید, علیزاده, بهرام , ملک شاهی, فرنوش,

Canola (Brassica napus L.) as one of the oilseed crops has recently received lots of attention due to its suitable oil quality and high oil percentage. To evaluate the effect of water deficit stress on canola genotypes with regard to yield, drought tolerance quantitative indices and identify drought tolerant genotypes, an experiment was conducted in research farm of seed and plant improvement I...

ژورنال: علوم آب و خاک 2009
دهقانی, حمید, علیزاده, بهرام , ملک شاهی, فرنوش,

Canola (Brassica napus L.) as one of the oilseed crops has recently received lots of attention due to its suitable oil quality and high oil percentage. To evaluate the effect of water deficit stress on canola genotypes with regard to yield, drought tolerance quantitative indices and identify drought tolerant genotypes, an experiment was conducted in research farm of seed and plant improvement I...

Journal: :practice in clinical psychology 0
hadise heydari organizationسازمان behrooz dolatshahi substance abuse and dependence research center, university of social welfare and rehabilitation sciences, tehran, iran.سازمان alireza mahdaviani organizationسازمان alireza eslaminejad organizationسازمان

objective: this study aimed to investigate the prediction of asthma control on the basis of perceived stress, locus of control, and self-efficacy in adult patients with asthma.  methods: this was a descriptive-correlative and cross-sectional study.the solecty of this study is all asthmatic patients in tehran. our sample consisted of 100 participants who were selected by purposeful sampling meth...

ژورنال: رویش روانشناسی 2020

Research literature has suggested that mindfulness affects stress that an analytical study of this effect can be useful in preventing stress. In recent years, the third wave of cognitive-behavioral and paradigmatic interventions, known as mindfulness, has attracted many researchers' attention. Therefore, this study aimed to investigate, systematic review, and meta-analysis about the effect of m...

ژورنال: Journal of Research and Health 2019

Stress is a type of person-environment relationship which is appraised by the individual as stressful or beyond one’s own resources and, as a results, threatens the individual’s wellbeing and welfare. The aim of the present study was to investigate the variables of resilience, coping strategies, and social support as predictors of vulnerability to stress among students. The participants consist...

Journal: :journal of midwifery and reproductive health 0
masoumeh kordi lecturer, department of midwifery, school of nursing and midwifery, mashhad university of medical sciences, iran soheila mohamadirizi lecturer, department of midwifery, school of nursing and midwifery, isfahan university of medical sciences, iran; graduate, msc in midwifery, school of nursing & midwifery, mashhad university of medical sciences, mashhad, iran mohamad taghi shakeri associate professor, department of biostatistics, school of medicine, mashhad university of medical sciences, mashhad, iran morteza modares gharavi assistant professor, research centre of psychiatry and behavioural sciences, department of psychiatry, mashhad university of medical sciences, mashhad, iran javad salehi fadardi assistant professor, department of psychology, school of education and psychology, ferdowsi university of mashhad, mashhad, iran.

background and aim: occupational stress is one of the key factors in reducing staff productivity in organizations with physical and psychological impacts on employees. nursing and midwifery are among the most stressful professions. therefore, this study aimed to determine the relationship between occupational stress and work ability of midwives in mashhad, iran in 2011. materials and methods: t...

Hassan Haddadpour,

A method is presented for the stress analysis of flight vehicles under different flight conditions including gust and control surface deflection (or maneuver) using the governing equations of rigid-body motions and elastic deformations. The Lagrangian approach is used to derive the governing equations of motions. For this purpose, the basic equations of motions are derived in terms of potential...

This article demonstrates a new approach for nonlinear finite element analysis. The methodology is very suitable and gives very accurate results in linear as well as in nonlinear range of the material behavior. Proposed methodology can be regarded as stress based finite element analysis as it is required to define the stress distribution within the structural body with structural idealization a...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه بوعلی سینا - دانشکده مهندسی 1387

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