نتایج جستجو برای: providing drinking and hygienic water

تعداد نتایج: 16939674  

Journal: :international journal of environmental research 2014
b. poyraz f. taspinar

since they may expose to inorganic pollutants, drinking waters should be investigated andmonitored in industrialized regions. in this study, drinking water samples taken from eight different locationsin heavily industrialized region of turkey, namely marmara region, were analyzed to determine heavy metaland harmful trace element (fe, co, cd, hg, pb, zn, sb, cu, ba, mo, cr, mn and v) concentrati...

Journal: :iranian journal of health sciences 0
hajar boudaghi malidareh department of environmental health .water & wastewater laboratory amin alinezhad master of water resources .water and wastewater company . qaemshahr . water & wastewater parisa boudaghi malidareh asico.mazandaran . graduate student of applied chemistry . islamic azad university, qaemshahr,iran amir hossein mahvi school of public health & center for solid waste research, institute for environmental research &

abstract background and purpose fluoride is one of the fundamental and required components in human body. the current study intends to survey the status of fluoride in drinking water supplies ( underground water source and drinking water) in qaemshahr city from 2006 (march/21) to 2012(march/19) and comparison with universal standards, national and climatic conditions. materials and methods this...

Journal: :iranian journal of radiation research 0
s.a. hosseini department of medical physics, school of medicine, zahedan university of medical sciences, zahedan, iran

background: the present research has focused on the effect of radioactivity on drinking water from five sites in the region of zahedan city. materials and methods: the measurement of water activity in wells, river and spring has been used as a screening method. the determination of gamma emitters was performed by use the application of gamma spectrometry. results: the values of radium concentra...

Journal: :Revista medica de Chile 2006
Iris Díaz A Zulbey Rivero R Angela Bracho M María Castellanos S Ellen Acurero Marinella Calchi L Ricardo Atencio T

BACKGROUND Yupkpa community in Perijá Sierra does not have drinking water or sewage elimination systems. Thus it becomes a propitious place for infection with intestinal parasites. AIM To determine the prevalence of intestinal parasites in children, ages 0 to 14 years, in the Yukpa ethnic population of Toromo in the Perijá Mountains, Zulia State, Venezuela. MATERIAL AND METHODS Ninety one f...

Journal: :تحقیقات نظام سلامت 0
محمدباقر میران زاده دانشیار، گروه مهندسی بهداشت محیط، دانشکده بهداشت، دانشگاه علوم پزشکی کاشان، کاشان، ایران. محسن حیدری دانشجوی دکتری مهندسی بهداشت محیط، مرکز تحقیقات محیط زیست، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران. سمانه دهقان دانشجوی کارشناسی ارشد مهندسی بهداشت محیط، دانشکده بهداشت، دانشگاه علوم پزشکی کاشان، کاشان، ایران. مجتبی حسن زاده دانشجوی کارشناسی ارشد مهندسی بهداشت محیط، دانشکده بهداشت، دانشگاه علوم پزشکی کاشان، کاشان، ایران.

during the past two centuries, production and consumption of nitrate, especially in agricultural field, have been increased considerably. currently many countries in the world including iran encounter to a high nitrate level in drinking water. the main reason is the seepage of agricultural runoff and municipal and industrial wastewater to water resources, particularly groundwater. from the old ...

Background and Objective: Road transportation and specifically bus travel accounts for the bulk of travel. Contaminated drinking water consumption is one of the issues that threaten health, and always there is pollution possibility in drinking water in buses. This study evaluated the microbial quality of consumed drinking water in buses and also compared it with available standards. Materials a...

Background & Aims of the Study: Corrosion and scaling play undesirable effects on transmission and distribution system of drinking water. The aim of this study was to assess the corrosion and scaling potential of drinking water resources in Babol city, Iran. Materials and Methods: Totally, 54 water samples were collected from 27 wells in spring and autumn. Calcium har...

ژورنال: سلامت و محیط زیست 2008
برقعی, مهدی, تقی پور, حسن, حسنی, امیر حسام, قدیرزاده, ایوب, مسافری, محمد, کمالی کردآباد, زهره,

Background and Objectives: Conducted studies about arsenic have shown that consumption of water contaminated with arsenic can causes different adverse health effects in consumers. World Health Organization (WHO) has enacted 10µg/L arsenic in drinking water as a guideline value. Regarding some reports about arsenic presence in a village of Hashtrood county and related health effects and also con...

Journal: :journal of dentistry, tehran university of medical sciences 0
b seraj associate professor, dental research center and department of pediatric dentistry, dental school, tehran university of medical sciences, tehran, iran. m shahrabi m shadfar r ahmadi m fallahzadeh h farrokh eslamlu

prolonged excessive intake of fluoride during child's growth and development stages has been associated with mental and physical problems. the aim of this study was to investigate the effect of excessive fluoride intake on the intelligence quotient (iq) of children living in five rural areas in makoo/iran.in this cross-sectional study, 293 children aged 6-11 years were selected from five villag...

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