نتایج جستجو برای: مدل های safety first
تعداد نتایج: 2181604 فیلتر نتایج به سال:
Introduction: In recent years, the rapid growth of nanotechnology has posed challenges related to health and safety of nanomaterials. Standardization is one of the first steps in assessing and controlling the risks posed by nanotechnology. Therefore, this study was conducted to review the national standards of Iran regarding the safety, health and environmental aspects of nanotechnology. Metho...
چکیده : . یکی از بهترین و بزرگترین سیستمهایی که در دنیا به منظور افزایش ایمنی و کاهش حوادث تحت عنوان استاندارد شناخته شده است سیستم مدیریت ایمنی و بهداشت شغلی ( ohsas ) میباشد . این سیستم به مدت 7 سال است که در ایران جا افتاده و در صنایع جاری است . وزارت صنایع از سال 1388 کلیه صنایع را ملزم به گرفتن این استاندارد نموده و این صنایع نیز از سال 1390 مقدمات استقرار این سیستم را شروع کرده و در نها...
buildings with high degree of importance such as hospitals, police stations, fire stations and other vital facilities play a crucial role in crisis and risk management of cities. therefore, special attention should be paid to design and construction of these buildings in order to maintain their performance during and after the earthquake. important buildings in iran is designed according to the...
background: to increase safety of patients and staffs in hospitals, safety standards and regulations must be considered. this study was conducted to evaluate safety conditions in hospitals affiliated to kerman university of medical sciences. methods: this cross-sectional descriptive study was conducted in various wards and units of four hospitals affiliated to kerman university of medical sci...
objective infantile spasms (is) is one of the catastrophic epileptic syndromes of infancy.the purpose of this study was to evaluate clinical efficacy and safety oftopiramate (tpm) as the first -line drug in the treatment of infantile spasms. materials and methods in a quasi- experimental study, efficacy and safety of tpm in rteatment of fortychildren with is who were referred to pediatric neuro...
background: one of the necessities of industrial societies is the application of developed measures/strategies for the prevention of occupational incidents in industrial companies. the present study was conducted with the aim of determining the role of the safety management system on safety culture of an oil and gas exploration and production company. materials and methods: this study was condu...
Introduction: Electrocutions have a low frequency and severe consequences. The purpose of this study was to analyze the parameters related to electrical accidents, and evaluation of electrical safety performance of small-scale industries. Method: This study was conducted in 2019 on 232 small-scale industries. Electrical accidents over a 7-year period were studied. The tools used included elect...
موضوع مقاله حاضر تاثیر حافظ بر فدریکو گارسیا لورکا یکی از بزرگترین شعرای اسپانیایی است. این پژوهش ابتدا در گذر مختصری معرفی دو شاعر خواننده را با چارچوب فکری و سبک ادبی آشنا میسازد چگونگی آشنایی او طریق ترجمههایی که دیوان اسپانیا انجام شده، نشان می دهد. بخش دیگری برای اثبات تاثیرحافظ گفته هایی خود دوستان نزدیک نقل قول میشوند؛ آخر تطبیق نمونههایی اشعار میزان مورد ارزیابی قرار میگیرد. پذیری...
in this paper, efforts are made to compare the safety of steel moment resistant frames designed according to different editions of the iranian code of practice for seismic resistant design of buildings. also, failure risk of a low and medium height frame which designed for high and low seismicity regions according to three editions of the code are evaluated. first, the testing cases were design...
background: plasmapheresis is a well-recognised method for harvestingplasma. it was introduced in the 1950s and is currently employed worldwide. this method has been in use in iran since 1979. objective: to evaluate the efficacy of donor safety program used at the iranian blood transfusion organization. methods: a comparison is made of the protein concentrations between the first-time and...
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