center pivot irrigation system is used as a modern irrigation method in different parts of iran. unfortunately due to lack of proper design and hydraulic shortcomings of the system in several agricultural lands in iran, the efficiency of the center pivot irrigation system is low or unacceptable. low system efficiency results in non-uniformity of water distribution along the lateral and on the c...

background: given the high prevalence of addiction in iran and its social and health problems, addiction is considered as one of the few national health priority. this study compared the views of addicts and their families about the causes of drug abuse that referred to addiction centers in khorramabad, iran. methods: this cross-sectional study was conducted on addicts and their families who re...

the purpose of this study is to investigate the relationship between stress & time management skills. in this descriptive study, 103 personnel were selected from sari health center, by stratified random sampling, and data was gathered by two questionnaires from samples. results: there is a significant negative relationship in two component study. also, females´ stress level was higher than in m...

The Mashhad drug and poison information center (MDPIC) was officially established in 2000 to provide up-to-date information on medications. The objective of this study is to provide an epidemiologic profile of drug inquiry and poisoning-related phone calls to MDPIC from 2007 to 2017. This article is a descriptive retrospective study in which all inquiries about drugs and poisoning cases receive...

location-allocation is a combinatorial optimization problem, and is defined as non deterministic polynomial hard (np) hard optimization. therefore, solution of such a problem should be shifted from exact to heuristic or meta heuristic due to the complexity of the problem. locating medical centers and allocating injuries of an earthquake to them has high importance in earthquake disaster managem...

background: aggressive fibromatosis is a rare benign tumor with no potential for metastasis; however, its aggressive nature causes treatment failure and episodes of recurrence. there is no report from iran about the treatment of this tumor, and all published articles are single-case reports, therefore in this study, we report our experience from two of the largest referral centers of the south ...