نتایج جستجو برای: drinking water quality

تعداد نتایج: 1275719  

Journal: :New South Wales Public Health Bulletin 1994

Journal: :Agricultural and Resource Economics Review 2016

2014
Alina Nescerecka Janis Rubulis Marius Vital Talis Juhna Frederik Hammes

The purpose of a drinking water distribution system is to deliver drinking water to the consumer, preferably with the same quality as when it left the treatment plant. In this context, the maintenance of good microbiological quality is often referred to as biological stability, and the addition of sufficient chlorine residuals is regarded as one way to achieve this. The full-scale drinking wate...

Journal: :اکو هیدرولوژی 0
یونس نوراللهی دانشکدة علوم و فنون نوین دانشگاه تهران حسین یوسفی دانشکدة علوم و فنون نوین دانشگاه تهران سعیده صادقی دانشکدة علوم و فنون نوین دانشگاه تهران سعید محمد زاده بینا دانشکدة انرژی و محیط زیست، دانشگاه آزاد اسلامی واحد علوم و تحقیقات تهران سارا صادقی دانشکدة علوم و فنون دریایی، دانشگاه آزاد اسلامی واحد تهران شمال

in this paper, the results of surface and ground water quality monitoring during drilling of three deep exploratory wells in geothermal project in north west of sabalan in meshkinshahr are analyzed. the region has been investigated by various researchers to generate electricity using geothermal energy. drilling in deep geothermal projects, a variety of materials such as cement, bentonite, barit...

Journal: :Journal of Engineering Materials and Technology 1987

Journal: :Journal of water and health 2015
Suma George Mulamattathil Carlos Bezuidenhout Moses Mbewe

Mafikeng, the capital of the North West Province, receives water from two sources, namely the Molopo eye and the Modimola dam. Once treated, the potable water is mixed and supplied to the city via distribution systems. This study was designed to assess the quality of drinking water in Mafikeng and also to determine whether the water from the two sources has an impact on the mixed water quality....

عسگری, علیرضا, محوی, امیرحسین, مرادنیا, مریم, ناظمی, سعید, پناهی‌فرد, مسعود,

Background and Objective: Physical and chemical quality of water is necessary for consumer’s acceptance, health promotion, and guarding of water distribution systems. The aim of this study was to determine the physical and chemical quality of drinking water in Qazvin. Material and Methods: This cross-sectional study was conducted in 2014-2015. During three seasons a total of 150 sample...

The quality of water in different usages especially drinking water has an important role on human health. As increasing the urban population and developing the industries, the releasing different materials into water cause various pollutions and problems for human cycles. The important goal of the present study is analyzing the mercury existence and pollution on different part of urban built en...

ژورنال: Hormozgan Medical Journal 2014
Ahmadizadeh Fini, Akram, Razmand, Navab, Zamani, Amanollah,

Introduction: Groundwater resources, including the most important sources of drinking water are based on studies of underground aquifers provide the main source of drinking water to more than 1.5 billion people around the world.Groundwater contamination by pollutants affecting the quality of these resources will be useless and even likely in some areas. Therefore, the present study aims at the ...

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