the subjects of the study are only the tefl teachers and students at gilan university. to obtain the desired data, a questionnaire which was based on the theories and disecussions gathered, was used as the main data gathering instrument. to determine the degree of relationship between variables, covariance and pearson product moment correlation coefficient were the formulas applied. the data we...

the aim of this paper is eliminating cr(vi) by natural hap. hap is a inexpensive material which is used from bovine critical bone ash in order to remove heavy metal ions like cr(vi). some experiments in different ph are performed (ph=2,3,7). maximum adsorption was appeared at ph=2, dosage=0.3 gr, c0=10 mg/l. cr(vi) removal depends on ph value and initial amount of cr(vi) result of experiments w...

from 1950s onward, new theories and critical approaches burgeoned across humanities. these theories were context-oriented; as a result, the analysis of discursive practices gained significance. thus, social, political, historical and cultural discourses that have been hitherto marginalized and considered inferior to literary texts, were introduced as important texts to be analyzed by critics. o...

This study was aimed to investigate the direct and indirect effect of social support on mental and physical health which was analyzed according to a structural equation modeling method in a propositional model. The target populations of this research were undergraduate students of Tarbiat Moallem University. Three hundred and twenty students (188 females, 132 males) were included in this study ...

AbstractObjectives: The aim of this study was to measure the reliability and validity of the Buss and Perry's Aggression Questionnaire. This ques-tionnaire includes 29 questions which was used by psychologists after being translated to Farsi.Method: In a cross-sectional study 492 18-22 years old students (248 male, 244 female) from Shiraz University, who were selected using the random-cluster s...

Background and purpose: Human leptospirosis is prevalent and endemic in north of Iran, especially in Guilan and Mazandaran provinces as temperate regions. The purpose of this study was to survey the epidemiologic and sero-prevalence nature of leptospirosis in healthy people in Mazandaran province. Materials and methods: A cross sectional study was carried out in three rural regions in Ghaems...