نتایج جستجو برای: petrochemical company

تعداد نتایج: 104385  

Journal: :journal of biotechnology and health sciences 0
maryam khorasani department of nutrition, qazvin university of medical sciences, qazvin, ir iran asghar mohammadpoorasl tabriz health services management research center, tabriz university of medical sciences, tabriz, ir iran; tabriz health services management research center, tabriz university of medical sciences, tabriz, ir iran maryam javadi department of nutrition, qazvin university of medical sciences, qazvin, ir iran; children growth research center, qazvin university of medical sciences, qazvin, ir iran

conclusions people with a poor sleep quality had a higher bmi, waist circumference and serum triglyceride levels and a lower hdl-c concentration. furthermore, bmi and serum triglyceride concentration are independently associated with the score of sleep quality. indeed, it is recommended for people to screen for sleep quality to start necessary interventions. background several studies have show...

Journal: :پژوهش های مدیریت منابع سازمانی 0
الناز ایقانی اردبیلی دانشگاه آزاد اسلامی تهران شمال محمد منصور ریاحی کاشانی رئیس گروه کارشناسی ارشد مهندسی کامپیوتر دانشگاه آزاد اسلامی تهران شمال احمد آقامحمدی استاد دانشگاه جامع علمی کاربردی بیمه ایران کارمند واحد عملیات ارزی بانک پارسیان

the lack of a structured anticipating about high usage product of the national petrochemical company, has forced this company to buy forecasted price from foreign countries. prevent the outflow of foreign exchange and tolerance of political factors such as sanctions in this field requires a forecast of prices in our country. due to the chain-like nature of the petrochemical products, and the ab...

ژورنال: اقتصاد مالی 2020
طیبه علی‌نیا اسبوکلائی مهدی علی نژادساروکلائی

امروزه با توجه به فضای رقابتی و تغییر شرایط کسب وکار، مهم ترین موضوع برای شرکتها، اعتبار و سطح مقبولیت آنها می‌باشد. یکی از ابزارهای مهم برای نشان دادن این موضوع، رتبه بندی شرکتهاست. در واقع رتبه شرکتها می‌تواند نشان دهنده میزان اعتبار و قدرت آنها باشد. از این رو اغلب کشورها اقدام به رتبه بندی شرکتهای موجود در بازار سرمایه خود کرده اند. لذا موضوع پژوهش حاضر رتبه بندی شرکت‌های خودروسازی، پتروشیم...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده مهندسی شیمی 1391

attempts have been made to study the thermodynamic behavior of 1,3 butadiene purification columns with the aim of retrofitting those columns to more energy efficient separation schemes. 1,3 butadiene is purified in two columns in series through being separated from methyl acetylene and 1,2 butadiene in the first and second column respectively. comparisons have been made among different therm...

Journal: : 2023

The paper discusses measures to improve the efficiency of plant for production methyl tert-butyl ether at JSC "Angarsk Petrochemical Company"

Journal: :Health promotion perspectives 2014
Ahmad Bazazan Yahya Rasoulzadeh Iman Dianat Abdolrasoul Safaiyan Zohreh Mombeini Ehsan Shiravand

BACKGROUND Shift workers may be exposed to fatigue and mental disorders due to various work-related risk factors. This study evaluated the impact of demographic characteristics on fatigue and mental disorders among 12-hour shift workers in petrochemical industries. METHODS This study was conducted among 290 shift workers of Pardis Petrochemical Company in Iran. Data were collected using a gen...

Journal: :Work 2012
Leonardo Quintana Cesar Lizarazo Oscar Bernal Jorge Cordoba Claudia Arias Magda Monroy Carlos Cotrino Olga Montoya

This paper shows the general design conditions about ergonomics and safety for control centers in the petrochemical process industry. Some of the topics include guidelines for the optimized workstation design, control room layout, building layout, and lighting, acoustical and environmental design. Also takes into account the safety parameters in the control rooms and centers design. The conditi...

2017
Fabio De Felice Federico Zomparelli Antonella Petrillo

The human unreliability is the main cause of industrial accidents. In the petrochemical field, about 90% of accidents are due to human errors. Over the years, several models of Human Reliability Analysis have been developed. The major limitation of these models is due to their static nature. Thus, the present research aims to propose a new innovative approach to evaluate the variability of the ...

Today, HSE (health, safety, and environment) systems play a vital role in green and sustainable aspects of the companies. However, performance evaluation of HSE systems is a crucial issue in industry and academia. This paper tries to identify and prioritize the effective factors in HSE performance in Iran Khodro (the largest automotive company in Iran) and Tabriz Petrochemical (one of the bigge...

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