the aim of the current study was to investigate the relationship among efl learners learning style preferences, use of language learning strategies, and autonomy. a total of 148 male and female learners, between the ages of 18 and 30, majoring in english literature and english translation at islamic azad university, central tehran were randomly selected. a package of three questionnaires was ad...

a one dimensional dynamic model for a riser reactor in a fluidized bed catalytic cracking unit (fccu) for gasoil feed has been developed in two distinct conditions, one for industrial fccu and another for fccu using various frequencies of microwave energy spaced at the height of the riser reactor (fccu-mw). in addition, in order to increase the accuracy of component and bulk diffusion, instanta...

Background and purpose: Business Information is among the important sources for companies, especially for those located in Science and Technology Park which intend to launch a technological business and enter the market. To this end, different aspects of business information behavior of the companies need to be investigated. The aim of this article is to study business information behavior of c...

In this study, the relationship between structure of democracy and dictatorship firms, structure of non-competitive market and abnormal returns is assessed. For this purpose, we evaluate relationship the main criteria of the democracy structure in research literature on Iran's financial market- institution investors- and product market competition with abnormal return. It uses data that extract...