منابع مشابه
Drinking water standards in South American countries: convergences and divergences.
In this paper we present a comparative assessment of drinking-water standards from almost all South American countries, using the USA and the Canadian standards and the World Health Organization (WHO) Guidelines as references. Similarities and discrepancies between standards/guidelines were identified through descriptive analyses and, in the case of chemical standards, clustering techniques. In...
متن کاملDetermination of Trace Metals, Volatile Organic Compounds, and Other Water Standards in WMU Drinking Water
متن کامل
International Standards for System Integration
The growing complexity of manufacturing systems and the desire to more tightly couple business processes with manufacturing operations is resulting in many efforts to understand the mechanisms and opportunities for system integration in industrial enterprises. To improve the efficiency of beneficial interactions between systems and system components, the international community is adopting a wi...
متن کاملInternational Standards for Gm Foods
The introduction of biotechnology into the agri-food world in the 1990s complicated an already difficult regulatory and trade system. At one level, biotechnology and genetically modified (GM) foods increase the potential for trade and the need for a fully functioning international trading system. At another level, the products of this new technology have precipitated a large and difficult debat...
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ژورنال
عنوان ژورنال: Nature
سال: 1959
ISSN: 0028-0836,1476-4687
DOI: 10.1038/183867b0