toxicity has occurred in workers exposed to nickel dust or nickel carbonyl formed in refining. increased risk of nasal and lung cancers was linked to occupational nickel exposure before current workplace safety standards were set. activated carbon with nano holes used for removing contaminants in environment. the purpose of this work is preparation a new nano-absorber, gz-baki-tac-ni-88, for th...

media can be a good representation of dominant ideologies in society. the analysis of such discourse can shed light on the mental and social structures of people in society. adopting van dijk’s (1995) layout of discourse ideology and his (2000) practical and general outline of ideological analysis, this study analyzes the iranian movie a separation, the winner of the 84th annual academy award f...

Chronic media multitasking is quickly becoming ubiquitous, although processing multiple incoming streams of information is considered a challenge for human cognition. A series of experiments addressed whether there are systematic differences in information processing styles between chronically heavy and light media multitaskers. A trait media multitasking index was developed to identify groups ...

Media multitasking, the concurrent use of multiple media forms, has been shown to be related to greater self-reported impulsivity and less self-control. These measures are both hallmarks of the need for immediate gratification which has been associated with fast, intuitive 'system-1' decision making, as opposed to more deliberate and effortful 'system-2' decision making. In Study 1, we used the...

On the basis of flow characteristics and material balance principle, a one-dimensional theoretical model of heavy-oil migration in porous media was established. The model considered micro-compressible property and nonNewtonian behavior of heavy oil. A new method, the transient method, was introduced to calculate the threshold pressure gradient in porous media. The method was designed to measure...

Open cell polyurethanes (PUF) find wide range of applications as good column materials for the concentration and removal of both organic and inorganic pollutants because of their high efficiency for sorption of various ionic and neutral materials. Ammonium pyrrolidine (APDC) loaded PUF were found to ct as good sorption materials which can be applied to develop commercially viable and highly eff...