during natural gas processing, water in natural gas may cause to hydrates formation in pipelines which may lead to serious damages to process equipments. given the problems raised by present of water in natural gas, glycol solvent uses to remove water.in contact of glycol with gas always an amount of btex and voc absorb along with water, which on glycol recovery process, these substances separa...

the west of esfahan province, iran, is one of the most important agricultural areas throughout the country due to the climate variability and life-giving water of zayanderood river. rice is one of the major and economic crops in this area. the most important climatic elements in agricultural activities which should be considered include temperature, relative humidity, precipitation and wind. so...

This article is to verify mortality rate, cause of death, severity of injury (ISS),GCS, patient fate in hospital, pattern of specific organ injuries and some other characteristics among injured pedestrians and car occupants referred to three trauma centers in Tehran (Sina hospital, Shohada Tajrich hospital, Fayazbakhsh hospital) from May 1996 until May 1997.Materials and Methods: 57367 patients...

Background: Trauma is a common problem in the world, predominately affecting young adults. Considering the high mortality rate in patients suffering from thoracic trauma, the condition is considered to be extremely important. The purpose of this study was to evaluate the prevalence and the epidemiology of chest trauma as well as the severity of the resulted injury in Tehran, Iran. Methods: Thi...

one of the most important number sequences in mathematics is fibonacci sequence. fibonacci sequence except for mathematics is applied to other branches of science such as physics and arts. in fact, between anesthetics and this sequence there exists a wonderful relation. fibonacci sequence has an importance characteristic which is the golden number. in this thesis, the golden number is observed ...