We propose a mean-risk decision model for a steel company facing emission limits and trading with emission allowances. The model is calibrated using data of a real-life steel company and is subsequently solved for five different scenarios of demand and different levels of risk aversion. It is found that while the limits are never reached, permit trading influences the decision to a great extent...

BACKGROUND Cancer is an increasing cause of mortality and morbidity worldwide. Incidences of common cancers has been growing in different provinces of Iran in recent years but trends in Khuzestan which shares a border with Iraq and is located in south west of Iran have not been investigated. This study aimed to assess secular changes in incidences of common cancers in Khuzestan province from 20...

LEVEL: INTRODUCTORY A s disposables become increasingly important in biopharmaceutical manufacturing, more companies are replacing rigid stainless steel and glass components with f lexible, single-use plastics. Mixing tanks, filter assemblies, and tubing are some types of components that have successfully been replaced by disposable elements for cell-culture production of high-value compounds. ...

Objectives: An effective safety management requires paying attention to human factors. One of the most important methods for achievement to accident prevention is using safety climate or safety culture. Moreover, some studies suggest that in most organizations behavior contributes to 86-96% of all injuries. This cross-sectional study was performed on the functional units’ workers of Khuzestan P...

EAF plants normally consume coal and coke as reactants, alloying elements, or fuel. The price of these materials varies from € 0.20-0.35/kg. This is while nearly 10 million pieces of tires are annually discarded in Iran. The present study shows that scrap tires can be used as a substitute for coal and coke in EAF plants. Thirteen grades of steel including low, medium, and high carbon steels as ...

Department of Plant Production and Genetics, Khuzestan Agricultural Sciences Natural Resources University, Ahvaz, Iran

  Background: Nowadays job stress is one of the most important health problems that health and safety professionals are facing with. Much of previous studies have focused on interventions such as stress management and, they have ignored the role of psychosocial factors in occurrence of job stress. This study investigated the mediator role of supervisor support on the association between wo...

ABSTRACT: It is commonly recognized that knowledge is the only source of core competence in the knowledge based companies, but the productivity rate of Knowledge Workers is always Low. Based on Knowledge Workers’ characteristics, in this paper, we seek to identify factors influencing the Productivity of Knowledge Workers, and then strategies present for improvement of theirs Productivity. Final...