نتایج جستجو برای: water resourse system

تعداد نتایج: 2700237  

Journal: :journal of basic research in medical sciences 0
heshmatollah nourmoradi department of environmental health engineering, school of health, ilam university of medical sciences, ilam, iran. seyed ahmad mirbagheri department of environmental engineering, school of energy and environment, tehran azad university, branch of sciences and researches, tehran, iran kambiz moradnejadi department of environmental engineering, school of energy and environment, tehran azad university, branch of sciences and researches, tehran, iran faroogh kazembeigi department of environmental health engineering, school of health, ilam university of medical sciences, ilam, iran mashallah shamsizad department of environmental engineering, school of energy and environment, tehran azad university, branch of sciences and researches, tehran, iran

introduction: corrosion and scaling of water in distribution systems in spite of imposing economic and aesthetic problems can lead to adverse effects on consumers' health. the present study was conducted to evaluate the corrosion and scaling of water distribution system of sarableh city (ilam, iran) during summer and winter seasons in 2014. materials and methods: totally, 60 samples of wat...

Journal: :jundishapur journal of health sciences 0
shahram moshashaian khouzestan water and wastewater company, ahvaz, ir iran abdolkazem neisi department of environmental health engineering and environmental technologies research centre, ahvaz jundishapur university of medical sciences, ahvaz, ir iran afshin takdastan department of environmental health engineering and environmental technologies research centre, ahvaz jundishapur university of medical sciences, ahvaz, ir iran afshin takdastan department of environmental health engineering and environmental technologies research centre, ahvaz jundishapur university of medical sciences, ahvaz, ir iran

based on langelier, corrosion index of water in the distribution system was balanced. shadegan is a city and the capital of shadegan county in khuzestan province, iran. it has an area of 3197 m2 and located 84 km south of ahvaz. water distribution system serves 70,000 people in the city and the total consumed drinking water is 28525 m3per day (3,4).this descriptive, cross sectional study examin...

Journal: :نشریه علمی - پژوهشی هیدرولوژی کاربردی 0

coastal areas usually involves in several kinds of water use, such as agricultural, industrial, and drinking, which are needed to be considered as important in water management systems. there is a need to study the sustainable water resources management in different terms. a combined methodology, which considers the human activities, as well as environmental problems according to some criteria,...

Journal: :iranian journal of radiation research 0
a. binesh physics department, payam nour university of fariman, fariman, iran a.a. mowlavi physics department, sabzevar tarbiat moallem university, sabzevar, iran s. mohammadi physics department, payam nour university of mashhad, mashhad, iran

background: radon concentration was measured in 50 drinking water samples in mashhad - iran. b the tap water used for drinking and other household usages can increase the indoor radon level. drinking water samples were collected from various places and supplies of public water used in mashhad. then radon concentration has been measured by portable radon gas surveyor silena (prassi) system. resu...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده حقوق و علوم سیاسی 1390

چکیده : نظام انتخاباتی قواعد و چار چوب های به رسمیت شناخته شده ای است که بیانگر چگونگی تبدیل آرای مردم به مناصب و پست های سیاسی است. این نظام انتخابات باید به گونه ای عمل کند که نتیجه آن فراهم شدن مکانیسم و ساز و کار مطلوب و مناسب برای برگزاری انتخابات سالم و رقابتی باشد. به نظر می رسد نظام انتخاباتی جمهوری اسلامی ایران دارای ضعف ها و نواقصی است که به سبب آن ها نمی توان انتخابات مطلوب را برگزا...

Journal: :SOCIETY, INTEGRATION, EDUCATION. Proceedings of the International Scientific Conference 2015

Journal: :journal of water sciences research 2010
m.a bayat h babazadeh m manshouri

water use productivity is one of the most important factors in scientific agriculture. it is equal to 0. 7 kg of production per cubic meter of irrigation water (kg/m3) in iran which is very low in comparison with advanced countries (1 to 2 kg/m3). current research studies temporal and spatialchanges of water use productivity in hamedan province in iran using geographic information system (gis),...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان 1390

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...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت معلم تهران - دانشکده علوم 1370

determination of uranium in natural water and complex solutions using ion exchange chromatography: a combined procedure using ion exchange chromatography and uv-vis spectrophotometry techniques has been developed to measure uranum in natural water and complex solutions. after conditicing , one hundred milli liters of sample solutions have been passed through an ion exchange column,pachked with ...

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