نتایج جستجو برای: Chemical gas
تعداد نتایج: 602938 فیلتر نتایج به سال:
there is no doubt that human being needs to become integrated with industry and industry needs to be progressed, daily. on the other hand, serious events in industrial units specially in oil industries has been shown that such damages and events are industry related ones. the consequence of such events and damages which resulted in chemical and poisoned explosions and loss of life and property ...
دریزو فرایندی است برای افزایش خلوص گلایکول که معمولا از یک حلال هیدروکربنی استفاده می کند. این پروسه از کمک گاز عریانگر (stripping gas ) بی نیاز بوده و با هزینه کمتر می تواند گاز خشک با نقطه شبنم پایین تر را به وجود بیاورد. شرکت dow chemical co. توانست این پروسه را در سال 1970 به صورت رسمی به بازار معرفی کند. شرکت opc نیز این تکنولوژی را در سال 1985 به کار برد و با ارائه کارهای جدیدتردر این ...
abstract background: mustard gas, lethal in high doses, affects multiple organs such as skin, eye and respiratory system. we studied the development of late onset mustardinduced polyneuropathy among chemically wounded iranian veterans. methods: in this descriptive study, 100 chemically wounded iranian veterans with severe eye involvement were examined for any signs and symptoms of polyneuropath...
purpose : to review ocular surface abnormalities caused by exposure to mustard gas and current approaches to manage its delayed-onset complications methods : a total of 198 medical articles related to mustard gas were reviewed using known international medical databases, 114 articles were more relevant to the main aim were selected. results : mustard gas-related ocular injuries can be divided i...
objective: mental disorders are more common among the chemically injured veterans rather the than the normal population. the main aim of this study was to evaluate the effects of mustard gas (mg) on mental health and quality-of-life (qol) in the people exposed to it based on reviewing valid published articles. methods: we searched english databases including medline, isi and scopus as well as f...
background: about 100,000 iranian have been exposed to chemical weapons during iraq‑iran conflict (1980‑88). after being spent of more than two decades, still about 30,000 of them are under follow‑up treatment. the main aim of this study was to review various preventive and therapeutic methods for injured patients with sulfur mustard in different phases. methods: for gathering information, we h...
the main aim in this study was to collect the experiences of iranian researchers about sulfur mustard (sm) and provide a guideline for the prevention of abuse for this dangerous agent. we searched valid national and international databases using related key words in the two languages. we found 193 articles which had been published in medical journals. among them, 25 articles had some implicatio...
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...
thin films of sno2 nanowires were successfully prepared by using chemical vapor deposition (cvd) process on quartz substrates. afterwards, a thin layer of palladium (pd) as a catalyst was coated on top of nanowires. for the deposition of pd, a simple and low cost technique of spray pyrolysis was employed, which caused an intensive enhancement on the sensing response of fabricated sensors. prep...
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