speciated samples of pm2.5 were collected at the hamshire and orange sites in golden triangle of texas by us epa (environmental protection agency) from july of 2003 to august of 2005. a total of 269 samples for the hamshire site and 293 samples for the orange site with 52 species were measured; however, 22 species were excluded because of too many below-detectionlimit data. among the 22 species...

this study was focused on removal of various parameters in paper mill effluent using a method called bioremediation by azolla caroliniana.  the experimental investigations have been carried out using azolla caroliniana for conducting the sorption study with various dilution ratios (2, 4, 6, 8, and 10), ph (3, 4, 5, 6, 7, 8 and 9) and biomass (200, 400, 600, 800 and 1000 g). the maximum removal ...

background: there are many reports regarding to effects of granulocyte colony-stimulating factor (g-csf) and stem cell factor (scf)alone in liver repair .but conflicting data have been reported regarding the role of growth factors such as g-csf and scf in the liver regeneration system. also, there is not such data regarding to effects of co-administration both of g-csf and scf in the liver dama...

factor analysis is one of the most advanced multivariate statistical techniques applying to attain a variety of scientific and research goals such as model-building, hypothesis-building lest validation, identifying subtests and development conditions in order to perform the other advanced methods as multiple regression and structural equation models. while there are difficulties and complexitie...

background: drug abuse is a major health problem in many countries. noticing the different patterns of drug abuse in different areas, we evaluated the epidemiology of drug abuse and related factors in fars province, southern iran. materials and methods: in a one-year cross-sectional study, from march 21st, 2009 to 2010, all subjects referring to addiction treatment clinic of shiraz university w...

background: a recent study at the maroua provincial hospital revealed that hypertension in pregnancy was the first cause of maternal death, representing 17.5% of the 63 maternal deaths recorded between 2003 and 2005. knowing little about the causes, this study was to identify the possible risk factors for hypertensive disorders in pregnancy. methods: this case-control study was-done at the maro...

objective: psychiatric hospitalization of patients imposes heavy burdens on caregivers, but little is known about this issue in iran. the present cross-sectional study aimed to investigate the risk factors associated with psychiatric hospitalization of patients with schizophrenia who were the regular clients for the educational programs of the iranian society for supporting individuals with sch...

background: the use of psychology in the workplace and accurate scientific findings in this field, in addition to reducing work-related diseases, can promote the performance of employees. nursing is a stressful job and can be the cause of physical and mental disorders. this study investigates the relationship of personality traits and demographic factors with occupational stress. materials and ...

purpose: to determine the prevalence and risk factors for retinopathy of prematurity (rop) in high risk premature infants admitted to nicu wards in isfahan from 2003 to 2008. methods: in this retrospective case series, 604 records of high risk infants were reviewed in terms of gestational age, birth weight, oxygen supplementation, delivery method, history of consanguineous marriage, single or m...