there is no doubt that human being needs to become integrated with industry and industry needs to be progressed, daily. on the other hand, serious events in industrial units specially in oil industries has been shown that such damages and events are industry related ones. the consequence of such events and damages which resulted in chemical and poisoned explosions and loss of life and property ...

attempts have been made to study the thermodynamic behavior of 1,3 butadiene purification columns with the aim of retrofitting those columns to more energy efficient separation schemes. 1,3 butadiene is purified in two columns in series through being separated from methyl acetylene and 1,2 butadiene in the first and second column respectively. comparisons have been made among different therm...

Introduction: Learning management system is one of the most effective methods in teaching and learning The present study aims to identify and categorize effective factors on the effectiveness of this system from students' point of view. Methods: The present study uses exploratory and '' Q method'. The study participants were Students of Isfahan University of Medical Sciences in academic year 2...

Introduction: Children who are affected by chronic diseases such as thalassemia have more mental and social problems in compare with healthy people. Adopting to such conditions needs awareness of the ways to overcome these problems. Gaining life skill together with knowledge and science and appropriate change of attitudes, values and reinforcement of appropriate behaviors lead to normal behavio...

this dissertation has six chapter and tree appendices. chapter 1 introduces the thesis proposal including description of problem, key questions, hypothesis, backgrounds and review of literature, research objectives, methodology and theoretical concepts (key terms) taken the literature and facilitate an understanding of national security, national interest and turkish- israeli relations concepts...

the present study was an attempt to compare the effect of peer metalinguistic corrective feedback on elementary and intermediate efl learners speaking ability to see which level benefits more from this type of feedback. to this end, 117 female efl learners at grade 3, al-zahra high school in kermanshah, iran were non-randomly chosen. the homogeneity of the participants was attained through a pi...