background: reducing drug-related issues less than 18 years of age and increasing population of this group of addiction emphasizes importance of educating social skills for reinforcing drug assistance self-efficiency in this social group. the study was aimed to measure impact of social skills on drug abstinence self-efficacy amongst male students in ahwaz city, southwest iran. methods: with sem...

Journals as one of the most important information carriers are useful resources for libraries and information centers. As publishers more fully actualize the e-journal, it soon will be as insufficient to offer only print journals as it is to provide only print abstracts and indexes. Using journals especially scholarly journals, scientists can contact together in scientific communities. Impact o...

this article presents a transient model of a solar adsorption cooling system. a computer program has been developed to simulate the operation of a two bed silica gel- water adsorption cooling system as well as flat plate collectors and the hot water storage tank. this program is then utilized to simulate the performance of a sample solar adsorption cooling system used for cooling a set of rooms...

entamoeba gingivalis and trichomonas tenax are protozoans that live in/on the teeth, gums and sometimes tonsils, and may cause periodontitis and gingivitis. the aim of this research was studying the frequency of buccal protozoa in patients referred to dentistry clinics of jundishapur university of medical sciences. in this cross-sectional study, samples were collected from the mouth of 200 pati...

background: considering health and public health risks, particulate matters are the main pollutants of air and are associated with high rates of mortality and morbidity in long and short term exposures. hence, the present study was performed with the aim of estimating the health impacts attributable to pm10 in the 7 cities of mashhad, tabriz, isfahan, shiraz, arak, ahwaz, and urmia (iran) durin...