نتایج جستجو برای: Refinery and Petrochemical companies

تعداد نتایج: 16836538  

2011
Dong-Hee Koh Tae-Woo Kim Yong-Hoon Yoon Kyung-Seok Shin Seung-Won Yoo

OBJECTIVES The purpose of this retrospective cohort study was to investigate the relationship between exposure of Korean workers to petrochemicals in the refinery/petrochemical industry and lymphohematopoietic cancers. METHODS The cohort consisted of 8,866 male workers who had worked from the 1960s to 2007 at one refinery and six petrochemical companies located in a refinery/petrochemical com...

Business expansions along with number of new companies being engaged in variety of industries aimed at getting bigger market share, underscored the role of corporate governance within the financial sphere. One of the important issues in corporate governance is acquisition. Due to the significant impact of companies in refining and petrochemical sectors on capital market and whole economy, their...

Journal: :thrita 0
mohammad mahdi zamani students' scientific research center, tehran university of medical sciences, ir iran; department of pharmacology, school of medicine, tehran university of medical sciences, poorsina ave, ghods st, enghelab st, p. o. box: 13145 - 784, ir iran +98-2166402569, [email protected];[email protected] seyedeh hamideh mortazavi students' scientific research center, tehran university of medical sciences, ir iran marzieh aligholi department of microbiology, school of medicine, tehran university of medical sciences, ir iran hodiseh mahmoud janlou department of microbiology, school of medicine, tehran university of medical sciences, ir iran samira khodi aghmiuni department of microbiology, school of medicine, tehran university of medical sciences, ir iran malihe sadat pormasjedi-meibod department of biotechnology, institute of advanced technology (iat), iranian research organization for science and technology (irost), ir iran

background heat, chemical and organic pollution are three types of environmental pollution, caused by refinery and petrochemical industries. problems caused by hear and chemical pollutants are currently resolved to some extent but organic pollution such as poly aromatic hydrocarbons (pahs) are still considered as important problems of industry and environment. objectives a laboratory study was ...

2009
Neil White Rodney Ehrlich Anita van der Walt Wesley Roberts

Title: Meteorologically estimated exposure but not distance predicts asthma symptoms in schoolchildren in the environs of a petrochemical refinery: a cross-sectional study Jim te Water Naude Dr ([email protected]) Anita van der Walt Dr. ([email protected]) Grant Ravenscroft Mr.

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده مدیریت 1391

one of the most important factors in study of project’s , is the study of environmental opportunities factors the permanent study of environmental opportunity factors . the study of permanent environmental changing and knowing golden threats’ cooperate with possible threats and at the result in structure forming and future skeleton of organization has a vital effects . the petrochemical industr...

2015
Patrick M. Wright Blaine McCormick W. Scott Sherman Gary C. McMahan

This study examined the impact of Human Resource (HR) practices (selection, training, compensation, and appraisal) and participation on the financial performance of U.S. petrochemical refineries. Survey results from HR and Operations respondents indicated that appraisal and training were significantly related to workforce skills and that training and compensation were marginally related to work...

Journal: :World Journal of Advanced Engineering Technology and Sciences 2023

The main objective of this study is to identify the inherent benefits associated with integrating a new petrochemical facility existing refinery. Petrochemical complexes heavily rely on feedstocks like naphtha and refinery gases, which are frequently produced in oil refineries, ensuring reliable supply essential raw materials. Integration between becomes necessary due their downstream position ...

2006
P. Tyszko W. M. Wierzba

The course of 20-year studies on the health of the population of Ptock and its neighbourhood has been discussed as regards environmental pollution generated by refinery-petrochemical plant. Analysis of environmental factors and general principles of health-promoting phenomena were of particular concern. This paper demonstrates an increase in options of environmental factors in studies on health...

2008
Rodrigo J. S. Jacques Eder C. Santos Renato Haddad Rodrigo R. Catharino Marcos N. Eberlin Fátima M. Bento Flávio A. de Oliveira Camargo

In this work we investigated the structure of the iron-stimulated surface tension reducing substances produced by P. citronellolis 222A isolated from a 17-years old landfarming used for sludge treatment in petrochemical industries and oil refinery. Its mass spectrum differs from P. aeruginosa spectrum, indicating that the surface tension reducing substances produced by P. citronellolis can be a...

Journal: Iranian Economic Review 2017

While the relationship between stock market return and oil price is of great interest to researchers, previous studies do not investigate stock market return with petrochemical products market. In this paper, we analyzed the relationship between prices of main petrochemical products and stock returns of petrochemical companies in Tehran stock exchange. Using a panel data model and GLS estimatio...

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