in this study, application ofweap model (soil moisture method) have been investigated for simulating hydrological behavior in ahar-chai basin. according to the development of pressurized irrigation systems in this basin, since 2005, two models were carried out for two periods, pre-pressurized period (1998-2006) and pressurized period (2006-2013). irrigation method in first model was surface irr...

to study the role of preoperative intravenous magnesium sulphate in decreasing post-cesarean pain and opioid requirement during first 24hrs.in a double blind randomized clinical trial, prior to induction of general anesthesia, fifty elective cesarean candidates were randomly assigned to one of the two groups of placebo or magnesium sulfate. after surgery visual analogue scale (vas) and infused ...

background: increase in intraocular pressure (iop) following tracheal intubation during general anesthesia can be troublesome. we compared the influence of two muscle relaxants, cisatracurium and atracurium, on iop in patients undergoing general anesthesia. methods: this randomized, double-blind, comparative trial was conducted on 90 candidates for elective non-ophthalmic surgery under general ...

background selection of anesthetic approach for lower extremity operations is often a controversial issue for anesthesiologists. objectives the aim of this study was to compare the incidence and severity of back pain between general and spinal anesthesia, and to find effective factors in developing postoperative back pain. patients and methods in a randomized clinical trail, 148 patients with e...