in this research, the activity of mno, produced during steel making in aluminate-rich slags, was investigated.according to thermodynamic equations and mathematical calculation, a series of relations was obtained forevaluation of oxide activity using masson’s theory. the obtained relations were solved according to levenberg- marquardt method and using matlab software. the results were correlated...

background: reduction of physical activity among people is one of the most important problems of society which is resulted from life industrialization. the aim of this study was to survey knowledge and theory of planned behavior constructs inclusive attitude, intention, subjective norms and perceived behavioral control regarding girl student’s physical activity in naein payam noor university in...

the quantitative structure–activity relationship of a series of novel thiazoline derivatives with anticancer activity has been studied by using the density functional theory by b3lyp/ 6-31g. descriptors of quantum mechanics of 21 thiazoline derivatives with known activity were obtained. multiple linear regressions were employed to model the relationships between molecular descriptors and biolog...

background: physical activity regularly is one of the important aspects of healthy lifestyle, which has an essential role in reducing the burden of disease and death. diabetes is a typical general health problem. the aim of this study to determine the effect of education based on social cognitive theory on promoting physical activity among women with diabetes ii in iran. methods: in this random...

dependence on computers and internet has given birth to digital literacy. however, research into its influences on the reading process is still in its infancy. to fill the gap, this study was designed to investigate the ways in which text presentation mode (paper vs. digital) affects reading comprehension, as well as reading attitudes. to this end, a sample of 30 male and female english major s...

this article proposes an optimization model for preventing the waste of time in the educational and research activities' cycle of an organization such as a university. for this purpose and in order to increase efficiency and prevent the waste of time; the graph theory models have been used. the educational and research activities diagrams of a supposed university is drawn by the use of graphs t...

Reading comprehension has recently been reconceptualized in EFL reading instruction to foreground the importance of putting a social perspective on learning. Developed as a crucial aspect of Vygotskian sociocultural theory, activity theory views reading as a socially-mediated activity, for which the prerequisite cognitive processes are distributed among teacher, individual reader, other student...