7. Does the evidence about health risks associated with nitrate ingestion warrant an increase of the nitrate standard for drinking water? [O] . Hans JM van Grinsven, Mary H Ward, Nigel Benjamin, 2006 机译:与摄入硝酸盐有关的健康风险的证据是否需要增加饮用水中硝酸盐的标准? 8. Use of Microb...
Standard test method for methasone, carbofuran, glyphosate, 2,4 - drops, atrazine, pentachlorophenol, and methyl parathion in drinking water - liquid chromatography tandem mass spectrometry Standard test method for 11 phenyl urea insecticides in drinking water - liquid chromatography tandem mass spectrom...
本标准与GB5749-85相比主要变化如下:TherehavebeensomesignificantchangesinthisnationalstandardoveritsGB5749-85editioninthefollowingtechnicalaspects:——水质指标由GB5749-85的35项增加至106项,增加了71项;修订了8项;其中:Thewater-qualityindexincreaseto106itemsfrom35ofGB5749-85,up71items.8ofthepreviousitemshave...
本标准与GB5749-85相比主要变化如下:TherehavebeensomesignificantchangesinthisnationalstandardoveritsGB5749-85editioninthefollowingtechnicalaspects:——水质指标由GB5749-85的35项增加至106项,增加了71项;修订了8项;其中:Thewater-qualityindexincreaseto106itemsfrom35ofGB5749-85,up71items.8ofthepreviousitemshave...
waterindian饮用水drinkingpermissibleosmosis WATER QUALITY STANDARD Indian Standard Drinking Water - Specification IS 10500 : 1991 Technical Terms • BIS (Bureau of Indian Standards) • Desirable limits • Permissible limit • PPM • NTU • Hazen Units Colour, Hazen Units IS 10500-1991 Desira...
Standard Status: currently valid This is GB5749-2006, Standards for Drinking Water Quality, a food quality standard of the People's Republic of China. It is issued by the Ministry of Health of the People's Republic of China and the National Standardization Administration. ...
In the U.S. the majority are employed in community, social, and personal services, followed by wholesale and retail trade, in restaurants, commerce, and manufacturing industry. When the female economically active population is analyzed by marital status, it is found that married women constitute ...
aThe Council for International Organizations of Medical Sciences II line listing 委员会为医学II线目录的国际组织[translate] aVulnerability of shallow groundwater and drinking-water wells to nitrate in the United States 硝化处理的浅地水和饮用水井的弱点在美国[translate]...
Hot sale Nitrate Nitrite drinking water tester strips for swimming pool aquarium, You can get more details about Hot sale Nitrate Nitrite drinking water tester strips for swimming pool aquarium from mobile site on Alibaba.com
硝酸盐饮用水nitratenitrogendrinking测定方法 生活饮用水中硝酸盐氮的3种测定方法的比较彭莎莎灵宝市疾病预防控制中心,河南灵宝472500摘要:目的比较3种不同方法(麝香草酚分光光度法、紫外分光光度法和离子色谱法)测定生活饮用水中的硝酸盐氮。方法通过3种不同方法的测试,分别从检出限、准确度、精密度和加标回收率进行...