نتایج جستجو برای: qom
تعداد نتایج: 1312 فیلتر نتایج به سال:
1-Interoduction: Air pollution has been considered as one of the global challenges. According to world health organization (WHO), dust particles are the 5th most dangerous cause of death 4.2 million in the world. According to the world meteorological organization (WMO), when the wind speed increases more than 15 m/s and the visibility decreases because of dust particles less than 1 km, it is c...
Background: High-risk behaviors are among the most frequent in adolescents compared with other age ranges. Objectives: The epidemiology and etiology of high-risk high school girls boys Qom was aim this study. Methods: This survey research carried out using Rashid Questionnaire (2015). questionnaire given to 1000 middle students 8 schools (4 boys’ 4 girls' schools) south north (two from each are...
concessionaire: ayatollah ahmad beheshti managing editor: mohsen izadi editor in chif: saeid beheshti executive manager: mahdi behshti editorial board editorial board hasan ebrahimi: assistant professor, tehran university. saeid behshti: associate professor, allameh tabatabaei university. mansoor pahlavan: professor, tehran university. mohammad zabihi: associate professor qom university. ab...
concessionaire: ayatollah ahmad beheshti managing editor: mohsen izadi editor in chif: saeid beheshti executive manager: mahdi behshti editorial board hasan ebrahimi: assistant professor, tehran university. saeid behshti: associate professor, allameh tabatabaei university. mansoor pahlavan: professor, tehran university. mohammad zabihi: associate professor qom university. abdolmajid talebtash...
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