نتایج جستجو برای: phast risk
تعداد نتایج: 943218 فیلتر نتایج به سال:
abstract background: the increase in breast cancer incidence has enhanced attention towards breast cancer risk. the aim of this study was to determine the risk of breast cancer and risk perception of women, factors that affect risk perception, and to determine differences between absolute risk and the perception of risk. methods: this cross-sectional study was carried out among 346 women whose ...
در ارزیابی پیامد ابتدا به تقسیم بندی و شناسایی مناطق پر خطرمی پردازیم و سپس با استفاده از استانداردها و داده های آماری و کتابهای راهنمای ارزیابی پیامد به تعیین سناریوها خواهیم پرداخت.در این واحد امکان رخداد حوادث نشتی، آتش و انفجار محتمل می باشد و بعد از انتخاب سناریوها با استفاده از نرم افزار phast 6.54 مدلسازی حوادث انجام شده است. نتایج بیانگر آن است که در فصل بهار و تابستان نسبت به فصل پاییز...
Introduction: Being aware of the explosion, fire radius, and their damages, has an important role in accident prevention methods. Therefore, the aim of this study was modeling and evaluation of the consequences of propylene oxide spill in a petrochemical company. Material and Method: The QRA method including seven steps was used in this study. In the present study, in order to examine and...
prematurity is the most common cause of neonatal death. risk factors of premature birth can be related with ethnicity and genetic. there is no comprehensive high sample size study in kurdish ethnicity to determine risk factors related to prematurity. this study evaluated risk factors of preterm labor in kurdish ethnicity.this case-control study was conducted in 200 preterm infants (case group) ...
background: research project risks are uncertain contingent events or situations that, if transpire, will have positive or negative effects on objectives of a project. the management of health and safety at work (mhsw) regulations 1999 require all employers and the self-employed persons to assess the risks from their work on anyone who may be affected by their activities. risk assessment is the...
background & aim: aids is one of the major public health challenges all over the world. perceived risk is a significant predictor of high-risk behaviors related to aids. women constitute more than half of the hiv patients, and the rate of female sex workers with aids is more than the rest of female population. therefore, the present study aimed to evaluate aids risk perception and its related f...
cost by considering earnings quality for accepted companies in tehran stockexchange. this survey investigates a population of 76 companies during the timeperiod of 2009-2014. the results show that under high earnings quality, the marketrisk factor, the book risk to market factor, and the size risk factor have positiveeffects, and the profit risk factor has negative effects on shareholders equit...
background: research project risks are uncertain contingent events or situations that, if transpire, will have positive or negative effects on objectives of a project. the management of health and safety at work (mhsw) regulations 1999 require all employers and the self-employed persons to assess the risks from their work on anyone who may be affected by their activities. risk assessment is the...
changes in credit risk may arise when either the value or the risk of corporate assets changes. changes in the equity value associated with the changes in the asset value and changes in asset risk can be characterized into potentially countervailing direct and indirect effects. the indirect effect of risk on equity value is a function of factors that affect the debt value of including leverage,...
in this paper data were collected from 120 farmers in north khorassan province for the two periods (2005-2007) in order to survey the role of rain-fed lentil risk profile for designing an insurance model. to evaluate looses of each risk, risk frequency, risk impact criteria’s as well as risk matrix were used. results showed that low risk was the largest risk area. during study period, a decreas...
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