Introduction: Specific changes during adolescence make them more vulnerable to experiencing suicidal thoughts and behaviors. The present study was conducted with the aim to determine the role of victimization by peers and school connectedness in predicting the suicidal thoughts of adolescent girls. Methods: The present study was a descriptive correlation. The population of this research include...

a semi-empirical mathematical model for predicting physical part of ignition delay period in the combustion of direct - injection diesel engines with swirl is developed . this model based on a single droplet evaporation model . the governing equations , namely , equations of droplet motion , heat and mass transfer were solved simultaneously using a rung-kutta step by step unmerical method . the...

abstract this study aimed at investigating the effect of bilingual teaching of cognate words (persian-english) on iranian upper intermediate efl learners’ knowledge of lexical development. for this purpose,100 subjects participated in this study out of which 40 learners were selected for this study and they were assigned into two groups, control and experimental. cross-language cognates (wor...

    Substance use disorder is the second most common psychiatric disorders and is far more prevalent among young adults (ages;18-34y/0). Because of its importance and main effect in society, this study performed for evaluation of association fourteen childhood and adoleseence pathologic factors with substance use disorder among a group of abuser (20-30/0)that&...