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تعداد نتایج: 5205645 فیلتر نتایج به سال:
the main purpose of this research was to:1.develop a coking model for thermal cracking of naphtha.2.study coke inhibition methods using different coke inhibitors.developing a coking model in naphtha cracking reactors requires a suitable model of the thermal cracking reactor based on a reliable kinetic model.to obtain reliable results all these models shall be solved simultaneously.for this pu...
the purpose of this research was to investigate the relationship between job involvement and organizational climate in physical education teachers in high schools of ahvaz city. the statistical population consisted of all male and female physical education teachers in the city of ahvaz who were selected as the sample of this study (n=n=146). methodology of this field study was descriptive – cor...
this study investigated the potential role of age in inductive and deductive grammar learning among iranian foreign language learners. the experimental population consisted of our randomly selected samples including two groups of children (with age of exposure to english within 8-13), and two groups of adults (with age of exposure to english within 11-13). thus, the comparison was between ch...
the aim of this study was to evaluate the effectiveness of the coaching and referreeing courses from the viewpoints of those university students who participated in these courses. the research method used in this study was descriptive. the population consisted of the students of physical education faculties of tehran state universities (n=2000) and the sample was determined as 322 subjects base...
this study has been done with the aim of determining the effect of financial and nonfinancial compensation satisfaction on employee engagement considering mediator role of perceived organizational justice. the research statistical population included eight hundred sixty two isfahan municipality employees. three hundred fourtheen persons were selected as the research sample by stratified random ...
the present study is an attempt to investigate the potential impact of inspirational quotes on improving english abstract vocabulary recall. to achieve this goal, a multiple choice language proficiency test of 60 items including vocabulary and grammar component was administered to a sample of 63 second-semester male and female students whose age ranged between 17 to 22 and they were studying en...
even though, to date, a lot of studies have been conducted on the subject of politeness theory, there are very few studies regarding the applicability of this theory to translation between english and persian which shows the reason behind conducting the present study. this study was carried out with the aim of highlighting whether there is any difference between english and persian methods of u...
individuals participate in sport events with different motivations. one of the elements that influence physical activity participation is a difference in cultures. so, in order to test this claim, 279 iranian and 310 russian students were investigated. they were from guilan, mazandaran, gorgan, and russian universities who attended the third sport olympiad in caspian sea in summer 2004. a resea...
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