نتایج جستجو برای: variables such as gender
تعداد نتایج: 6173867 فیلتر نتایج به سال:
Nowadays internet is one of the main instruments for accessing to information. Social groups use different motivations, but this phenomenon has a special situation among students. Students in addition of amusement, fun and keen motivation to be familiar with unknown world, for educational-science purposes and finding job and educational choices are among main users of internet. The main purpose...
nowadays,tourism industry considered as one of the main sources of income of a country.unfortunately and despite of owning plenty of cultural historical and natural attractions, iran has not reached to a proper position in this field. besides, the historical cities of a country are considered as the income resource and national wealth of it. qazvin with a rich cultural precedent, have suitable ...
Background: Health is a state of complete physical, mental and social well-being and not merely the absence of disease or infirmity. Social, economic and cultural factors are main effective factors on person’s health. As university students are the spiritual resources of each society and the future manufacturers of their own country, the present study aimed to determine the predictive factors f...
popular novels are among recentphenomena in literary trends with a large number of audience and high salerates. this paper is an attempt to analyze the degree and reasons forreading popular novels by students of university of isfahan. we studied popularnovels in three different dimensions: appearance, content and literary qualities.variables such as gender, level of education, socio-economic s...
abstract: in this thesis, we focus to class of convex optimization problem whose objective function is given as a linear function and a convex function of a linear transformation of the decision variables and whose feasible region is a polytope. we show that there exists an optimal solution to this class of problems on a face of the constraint polytope of feasible region. based on this, we dev...
investigating sociological factors affecting job alienation this research is a study on the efficient sociological factors on job alienation across elementary school teacher of tehran. the research data was collected through a surveying method, and participants were 380 persons out of 18452 among elementary school teacher of tehran. with consideration of previous research and the theoretical fo...
the aim of this study is to find causes of cardiac disrhytmias during ophthalmic surgeries in patients under general anesthesia with no history of heart disease in iran’s educational hospitals. this was a univarient study. a sample of 250 patients selected randomly. data were gathered by four resources: interview, patient’s documents, kind of treatment selected by anesthesiologist and monitorin...
run-out-table (rot) is located between last finishing stand and down coiler in a hot strip mill. as the hot steel strip passes from rot, water jets impact on it from top and bottom and strip temperature decreases approximately from 800-950 °c to 500-750°c. the temperature history that strip experience while passing through rot affects significantly the metallurgical and mechanical properties, s...
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