nowadays in trade and economic issues, prediction is proposed as the most important branch of science. existence of effective variables, caused various sectors of the economic and business executives to prefer having mechanisms which can be used in their decisions. in recent years, several advances have led to various challenges in the science of forecasting. economical managers in various fi...

this research has been taken among the students of high school in karaj city during the years 1391 and 1392. this is a survey research and data gathering is through questionnaires. studying the “an analysis of students’ tendency toward non-native reference groups in karaj”. the questionnaire was distributed among 260 of these students who were chosen through multi step cluster sampling. conside...

abstract deviation or in other words committing a crime is literally a social problem. this research that was conducted in 1389 and 1390 has tried to investigate the causes of crimes committed by young male inmates qazvin central prison and effective variables on their tendency to deviation. accordingly after collecting theoretical framework and offering theoretical model including both hirsch...

اختلال دوقطبی یک ناهنجاری روانی جدی است که جزء مهمترین عوامل ناتوانی در میان بیماری های روانی محسوب می شود و حدود یک درصد از جمعیت را تحت تاثیر قرار می دهد. استرس اکسیداتیو در فیزیولوژی آسیب بیماران مبتلا به اختلال دوقطبی نقش مهمی بازی می کند و مطالعات از افزایش آسیب های dna ناشی از این استرس در این بیماران خبر می دهند. xrcc4 و xrcc5 پروتئین های درگیر در مسیر ترمیمی non-homologous end joining (...