نتایج جستجو برای: domestic water

تعداد نتایج: 613284  

Journal: :The Journal of tropical medicine and hygiene 1984
F D Miller

Although the potential adverse health impact of domestic water storage vessels that are used frequently in developing countries has been widely recognized, a search for systemic investigations found little data. This report describes the use of water storage vessels in rural Egyptian homes. This system of storage was found to have a number of implications: (1) for quality and quantity of water ...

2008
Hülya Boyacioglu Hayal Boyacioglu

In this study, multivariate statistical methods including factor, principal component and cluster analysis were applied to surface water quality data sets obtained from the Tahtali River Basin, Turkey. Factor and principal components analysis results revealed that surface water quality was mainly controlled by agricultural uses and domestic discharges. Cluster analysis generated two clusters. B...

Journal: :Journal of water and health 2007
D Kay J Watkins C A Francis A P Wyn-Jones C M Stapleton L Fewtrell M D Wyer D Drury

Some 1% of the UK population derives their potable water from 140,000 private water supplies (PWSs) regulated by Local Authorities. The overwhelming majority of these are very small domestic supplies serving a single property or a small number of properties. Treatment for such supplies is rudimentary or non-existent and their microbiological quality has been shown to be poor in every published ...

Journal: :CoRR 2017
Gal Oren Nerya Y. Stroh

In this article we introduce the principles to detect leakage using a mathematical model based on machine learning and domestic water consumption monitoring in real time. The model uses data which is measured from a water meter, analyzes the water consumption, and uses two criteria simultaneously: deviation from the average consumption, and comparison of steady water consumptions over a period ...

2016
Thomas Breu Christoph Bader Peter Messerli Andreas Heinimann Stephan Rist Sandra Eckert

This study examines the validity of the assumption that international large-scale land acquisition (LSLA) is motivated by the desire to secure control over water resources, which is commonly referred to as 'water grabbing'. This assumption was repeatedly expressed in recent years, ascribing the said motivation to the Gulf States in particular. However, it must be considered of hypothetical natu...

Journal: :The New Zealand medical journal 2012
Nick Wilson Jonathan Jarman Bill Brander Michael Keall

Background Scalds from domestic hot water are an important public health problem in New Zealand (NZ). Aims We aimed to study the hot water hazard in a yet unstudied setting: that of campgrounds. Methods Convenience sampling was performed involving 25 NZ campgrounds. These were sampled during summer months over a 4-year period (2008–2011) and in five different regions. We measured the temperatur...

2007
S. J. Tarek S. Sayed

Direct Capillary Nanofiltration (Direct CNF) is a new technique used for surface water and wastewater treatment in one step without pre-treatment. The CNF membrane module combines the favourable cleaning properties of capillary ultrafiltration membranes with the favourable separation properties of nanofiltration membranes in terms of removal of DOC, colour, bacteria, viruses and pesticides. Dir...

2005
A. T. Spinks R. H. Dunstan P. Coombes G. Kuczera

Rainwater harvesting within the urban environment is being increasingly recognised for its important role in reducing pressures on mains water supply and reducing stormwater runoff. The extent to which rainwater tanks can improve our management of the urban water cycle depends on the level of usage of the rain-harvested water. By incorporating the hotwater service into the suite of uses of harv...

2012
A. Galadima

One hundred and twenty samples of drinking water sourced from wells and boreholes from eight local governments that comprise Kaduna north senatorial district of Kaduna state were randomly collected and subjected to Arsenic elucidation using standard laboratory method. The wells have the following results; 0.28, 0.25, 0.25, 0.40, 0.20, 0.30, 0.25 and 0.34 mg/L while the results obtained from the...

2017
W M Dimuthu Nilmini Wijeyaratne Suvendran Subanky

Chunnakam and Vadamaradchi are two major aquifer systems in Jaffna Peninsula, Sri Lanka. This study was performed to compare water quality in the domestic wells in these aquifers and to assess the efficacy of household water treatments for treating contaminated water. Replicate well water samples were collected from each aquifer and pH, dissolved oxygen (DO), conductivity, total dissolved solid...

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