نتایج جستجو برای: refinery and petrochemical companies
تعداد نتایج: 16836538 فیلتر نتایج به سال:
In the current unstable business environment, it is necessary to change the organization's strategy in a way that organizations can adapt to the new conditions. To cope with these changes, the organizations need features called dynamic capabilities. In multi-business organizations, portfolio strategies are formulated, implemented and controlled for the strategic management of the diverse busine...
tabriz petrochemical complex is located in northwest of iran and west of tabriz oil refinery and mostly produces raw plastics. in this study the implementation of reduction of hazardous waste contact in this complex with special emphasis on personal protective equipment (ppe) is discussed. accordingly different hazards threatening personnel, indoor and outdoor environment were determined. in or...
This article models and forecasts the domestic and exports demand of products of Persian Gulf Petrochemical Industries Company (PGPIC) using a dynamic panel data model. The model is estimated using GMM method and domestic and export price index, the quantity demanded of the company's products, the global price index of alternative products and the income of demandant companies for the PGPIC'...
The importance of energy crisis and global warming necessitates presenting strategies in order to decrease the amount of emissions as well as fuel consumption in large and complex industries such as refineries and petrochemical industries. Generally, refinery steam networks are regarded as units which consume fuel enormously. In this paper, the steam network of Tehran Oil Refinery is considered...
Background and Aim: Shift work may induce adverse effects such as health problems on human life. The purpose of this study was to investigate shift work-related health problems and their associated risk factors among workers of petrochemical industries. Materials and Methods: This cross-sectional study was carried out in 21 petrochemical companies affiliated to the National Petrochemical Indu...
Zeolite FAU type-Y is one of the most studied framework of all zeolites, and has been used as catalysts for number of reactions in the refinery and petrochemical industry. In this research, nanocrystalline zeolite Y was synthesized by hydrothermal method. The crystal size of zeolite Y is influenced by temperature, aging time, alkalinity, and water content. The synthesized zeolite NaY is identif...
Background and Aim: After conducting a comprehensive study on shift work systems in petrochemical companies and recommending appropriate shift schedules, some companies changed shift patterns. After a year, the present study was carried out at a petrochemical company which changed its shift pattern from 4-4-4 to 3-3-3. The objective of the study was evaluation of effectiveness of shift schedu...
The purpose of the present paper is that of researching the impact of corporate governance on financial performance, on a sample of 3 companies (Tamin Petroleum & Petrochemical Investment Co., Persian Gulf Petrochemical Industries Company and Parsian Oil and Gas Development Group), mainly from the chemical industry area, listed at Tehran Stock Exchange index, during the period 2011-2016. In thi...
Introduction: A two-shift work schedule with different rotations is common among firefighters in Iranian petrochemical companies. This study compared salivary melatonin and sleepiness on the last night before turning to day shift at 19:00, 23:00, 3:00, and 7:00 among petrochemical firefighters (PFFs) working seven and four consecutive night shifts. Methods: Sixty four PFFs working in the petroc...
Pyrolysis is perceived as the missing link between management of end-of-life tires (ELTs) and tire industry because it strikes directly in transition from a linear to circular economy model toward defossilization diverse economic sectors. Tire pyrolysis oil (TPO) one most valuable interesting fractions derived ELTs. It contains chemicals including, among others, benzene, toluene, ethylbenzene, ...
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