نتایج جستجو برای: providing drinking and hygienic water
تعداد نتایج: 16939674 فیلتر نتایج به سال:
background; providing safe drinking water is a prime concerninany community. this analytical study was carried out to evaluate the microbial quality of drinking water in rural areas of northeastern iran. methods;the water microbial quality was determined in all villages (a population of 53047 people), in 3 rounds and based on 3 measurements, i.e. total coliform, fecal coliform, and heterotrophi...
Abstract Background: One of the most important components of community’s health is providing clean drinking water. The aim of this study is evaluation of the quality of inlet and outlet water from desalination plants in Qeshm obtained by reverse osmosis (RO) and Multistage flash (MSF) processes and to compare the outlet water quality with National and International standards of drinking wat...
Although the Japanese water sector is economically and socially important, few empirical studies are available to help analysts and policy-makers understand the performance patterns in the industry. This study applies non-parametric methods to 5,538 observations on 1144 utilities that supplied drinking water between 2004 and 2007. With a comprehensive census of utilities, the present study cont...
The right to water and sanitation is an inextricable human right. Water and sanitation are critical determinants for survival in the initial stages of a disaster. An adequate amount of safe water is necessary to prevent death from dehydration, to reduce the risk of water-related disease and to provide for consumption, cooking and personal and domestic hygienic requirements. The main objective o...
Previous evidence has suggested an association between consumption of unfiltered water from Loch Lomond, Scotland, and cryptosporidiosis. Before November 1999, this water had been only microstrained and disinfected with chlorine; however, since that time, physical treatment of the water (coagulation, rapid gravity filtration) has been added. To determine risk factors, including drinking water, ...
OBJECTIVE To assess the bacteriological and physical quality of locally packaged drinking water sold for public consumption. METHODS This was cross-sectional study where a total of 60 samples of bottled water from 10 brands and 30 samples of sachet water from 15 brands purchased randomly were analyzed for bacteriological contamination (total coliform and faecal coliform per 100 mL) using memb...
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