employees always concern about losing their job , or in other word , losing their income resources. for this purpose, every government requires strong system for covering these concerns. the unemployment insurance (ui) program’s can be used for achieving this goal. in this thesis, we price ui based on the insurance history of employee and the duration of being unemployed. we use the weibull dis...

the study of air infiltration into the buildings is important from several perspectives that may be noted to energy and design of hvac systems, indoor air quality and thermal comfort and design of smoke control systems. given the importance of this issue, an experimental and numerical study of air infiltration through conventional doors and windows has been explored in iran. to this end, at fir...

This research wants to compare mental Health of students in Masal – shanderman and Rezwanshahr high schools – 300 male and female students were selected as sample group through a multi- stage cluster. Sampling . GHQ – 28 questionnaire , which consists of four sub-scales of somatic symptom anxiety, social dysfunction and depression, was used for screening and determining prevalence rate of th...