نتایج جستجو برای: high temperature low time

تعداد نتایج: 4426284  

Journal: :journal of arthropod-borne diseases 0
shabab nasir department of zoology, government college university, faisalabad, pakistan farhat jabeen department of zoology, government college university, faisalabad, pakistan sadia abbas department of zoology, government college university, faisalabad, pakistan iram nasir department of statistics, government college university, faisalabad, pakisatn mustapha debboun harris county public health and environmental services, houston, tx, usa

background : the population of mosquitoes is mainly influenced by the biotic and abiotic factors. although aedes aegypti was reported until 1960’s in the punjab, pakistan, the population has increased dramatically since 2009 and caused severe epidemics in 2011 due to heavy floods and rains. thus, this study was carried out to know the effect of biotic and abiotic factors on the population of ae...

Journal: :iranian chemical communication 2014
ahmad reza moosavi-zare mahdi pouraskar-borazjani zahra naz

1-carboxymethyl-3-methylimidazolium chloride {[cmmim]cl} is utilized as a highly efficient and reusable catalyst for the synthesis of bis(indolyl)methanes by the condensation reaction of indole with arylaldehydes under solvent-free conditions at room temperature. in summary, the presented method have several advantages including simplicity, low cost, generality, efficiency, clean reaction profi...

Journal: :archives of anesthesiology and critical care 0
valiolah hasani iran university of medical sciences reza safaeian iran university of medical sciences gholamreza movasaghi iran university of medical sciences abolfazl rahimizadeh ishagh bahrami iran university of medical sciences fatemeh sadat mostafavi mobasher iran university of medical sciences

background: long surgery causes hypothermia and increased bleeding and can increase the arterial blood lactate levels during anesthesia. it causes cellular hypoxia and its complications. considering the core temperature of the patient during surgery it can prevent hypoxia. this study aimed to compare the effects of different temperatures on the core temperature and the concentrations of lactate...

Journal: :محیط شناسی 0
مهدی کارگر مربی مرکز تحقیقات بهداشت محیط دانشگاه علوم پزشکی گلستان امیر حسین محوی استادیار گروه مهندسی بهداشت محیط دانشگاه علوم پزشکی تهران

in biological wastewater treatment large quantities of sludge are produced. this sludge is highly putrescible.for disposal and safe usage should be stabilized. the anaerobic digestion is a standard technique for stabilization. due to the rate imiting step of sludge hydrolysis, anaerobic degradation is a slow process with high digestion time. due to high retention time and sludge dewatering prob...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2010
kiomars abbasi khazaei ali asghar hamidi masoud rahimi

this paper reports a cfd modeling study on the possibility of using high temperature and low oxygen content exhaust gases as oxidant for combustion in an industrial furnace by a written computer program. under these conditions,the predicted results for the flow and heat transfer properties are compared with those under the several cases of conventional and highly preheated and diluted air combu...

Journal: :Journal of Thermal Science and Technology 2011

ژورنال: سلامت کار ایران 2013

  Background and aims: Carbon monoxide (CO) is a highly toxic, colorless, and odorless gas with a density close to the air, which is produced by natural processes and anthropogenic sources and is well known for its potential harmful and poisonous effects on humans. Inhalation of carbon monoxide gas can impair the heart and central nervous system. Diatomite supported nano copper oxide catalyst w...

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