منابع مشابه
Chemical contamination of water supplies.
Man-made organic chemicals have been found in drinking water for many years. Their numbers and varieties increase as our analytical capabilities improve. The identified chemicals comprise 10 to 20% of the total organic matter present. These are volatile or low molecular weight compounds which are easily identified. Many of them are carcinogenic or mutagenic. Chlorinated compounds have been foun...
متن کاملApproach on Safeguard Mechanism of Emergency Supplies
Unexpected events require a lot of emergency supplies, such as severe natural disasters, public health emergencies, public safety incidents and military conflict. Materials for emergency and war constraints play a key role in the success or failure. In this paper, the collection and purchasing, storage and management, transportation and distribution of emergency supplies as three aspects of the...
متن کاملRising temperatures and dwindling water supplies
In this paper we discuss the results of a survey on the perception of climate change in the 14 “tourist zones” (as defined by the Spanish Statistical Institute, INE) that stretch from the French border to Gibraltar alongside the Spanish Mediterranean coast, including the Balearic Islands. Our sample consisted of 1014 telephone interviews stratified according to the number of tourists staying in...
متن کاملProblems of treatment process selection for relief agency water supplies in an emergency.
There is currently limited public information available concerning methods for the selection of appropriate water treatment technologies for application in acute phase emergency water and sanitation responses. Considering the number of available emergency water treatment and supply options, it is speculated that a framework methodology offering guidance in the form of a selection process would ...
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ژورنال
عنوان ژورنال: Nature
سال: 1934
ISSN: 0028-0836,1476-4687
DOI: 10.1038/133725a0