Sludges, particularly clay-enriched fluid tailings, are major waste streams disposed from mining and mineral processing industries. To improve the separation of sludges into water stackable solids, a novel flocculant was developed in this study using peptides specified risk materials (SRMs), proteinaceous animal rendering industries; synthesis accomplished with polyamidoamine epichlorohydrin (P...

Crude oil is one of the most important energetic resources in the world. It is used as raw material in numerous industries, including the refinery-petrochemical industry, where crude oil is refined through various technological processes into consumer products such as gasoline, oils, paraffin oils, lubricants, asphalt, domestic fuel oil, vaseline, and polymers. Oil-derived products are also com...

This study analyzes a barrier of developing Exchange named lack of information related to performance of organization. This paper proposes a combined approach to decision making that Examine companies financial performance and offers an optimal way to solve the problem of ranking and efficiency survey. FAHP-TOPSIS approach is used to rating companies and FAHP-DEA approach is used for efficiency...

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...

In recent years, the importance of branding has dramatically increased on the ground that brands have the potential to be a source of long-term competitive advantages for any businesses. Although it seems that brand value, theoretically, has a significant impact on corporate profits, evaluating the brand value's influence level on corporate profits can give clear signals to both managers and in...

This paper examines how an industry’s productivity is changed by inward FDI occurring in affiliated downstream industries those buying from the focal industry. While controlling for FDI into the focal industry, I find that FDI in downstream industries has a significant negative influence on U.S. manufacturing industries in 1987-1991. Downstream FDI reduces productivity by lowering the demand fo...