نتایج جستجو برای: tabriz petrochemical complex
تعداد نتایج: 789768 فیلتر نتایج به سال:
Abstract This study aims to explore the environmental impacts of solid and liquid wastes Petrochemical Industries Complex in Al-Zubair district (southern Iraq) on groundwater areas surrounding complex. The waste emerging from industrial complex is buried soil near factories which has become a major threat area. objectives were determine impact petrochemical level damage caused neighboring as we...
This study was performed to evaluate the prevalence of respiratory symptoms in workers in a petrochemical complex and to elucidate the relationship between the prevalence and work-related factors. A questionnaire was distributed to 5,983 male workers working in a petrochemical complex. As for the respiratory symptoms, cough was present in 2.4%, phlegm in 8.1%, wheezing in 2.8% and shortness of ...
Background & Aims of the Study: Petrochemical industry is an important industry in the economic development of the country that causes employees have exposure with several kinds of contamination. The aim of this study was Semi-quantitative assessment of the health risk of occupational exposure to chemical materials and investigation of spirometry in...
This paper presents a computer tool for tuning PID controllers. What makes this tool different to others available in the market is the ability to model the most important load disturbances. The MISO calculated model enables a better tuning of the PID loop, both for the servo and regulatory cases. This is of special interest in the Petrochemical Industry where most of the PID controllers have a...
this work is presented in five parts. in the first part preparation of the starting complex [pt(c^n)cl(dmso)], 1, in which c^n = n(1),c(2?)-chelated, deprotonated 2-phenylpyridine, and dmso = dimethylsulfoxide, and its reaction with 1 equiv of the biphosphine ligands bis(diphenylphosphino)amine, dppa, or bis(diphenylphosphino)methane, dppm, to give the complex [pt(c^n)cl(dppa)], 2, or [pt(c^n)c...
Introduction: The performance of respirator-face piece is depending on a good contact between the worker's face and the respirator. Improper sealing can cause reduction in performance of respirators to protect health and safety of workers against risks related to chemical agents at work. This study is aimed to evaluate the fitness of half-face respirators and other related factors on it in an...
Objectives: Cinnamon as an antioxidant is able to reduce oxidative stress. Previous study confirmed antioxidant enzymes have beneficial and essential effects on male infertility by their role against reactive oxygen species. Material and methods: Wistar male rats (n=20) were allocated into two groups, control group (n=10) and cinnamon group (n=10) that received 75mg/kg by gavage method, daily f...
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...
Mining and deforestation in the early 20th century, the development of petrochemical industries during the 1950s, and the constant weathering of natural deposits of cinabrium (HgS) have made Golfo Triste, Venezuela, a region impacted by mercury (Hg). We studied the chronology of Hg in coral skeletons of Siderastrea siderea (1 colony, 1900-1996) and Montastraea faveolata (2 colonies, 1930-1999) ...
1 Assistant Professor, Department of Oral and Maxillofacial Radiology, Faculty of Dentistry, Tabriz University of Medical Sciences, Iran 2 Doctor of dentist, Faculty of Dentistry, Tabriz University of Medical Sciences,
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