HJ 666-2013.Water quality-Determination of ammonium nitrogen by flow injection analysis (FIA) and Sa...
HJ 670-2013 水质 磷酸盐和总磷的测定 连续流动-钼酸铵分光光度法
HJ 670-2013.Water quality-Determination of orthophosphate and total phosphorus-Continuous flow analy...
HJ 665-2013 水质 氨氮的测定 连续流动-水杨酸分光光度法
HJ 665-2013.Water quality-Determination of ammonium nitrogen by continuous flow analysis(CFA) and Sa...
HJ 681-2013 交流输变电工程电磁环境监测方法(试行)
HJ 681-2013.Electromagnetic environmental monitoring method for AC electric power transmission and d...
HJ 672-2013 建设项目竣工环境保护验收技术规范 煤炭采选
HJ 672-2013.Technical Guidelines for Environmental Protection in Coal mining and Processing Projects...
HJ 680-2013 土壤和沉积物 汞、砷、硒、铋、锑的测定 微波消解/原子荧光法
HJ 680-2013.Soil and sedimen-Determination of mercury,arsenic,selenium,bismuth,antimony-Microwave di...
HJ 679-2013 土壤和沉积物 丙烯醛、丙烯腈、乙腈的测定 顶空-气相色谱法
HJ 679-2013.Soil and sediment-Determination of acrolein, acrylonitrile, acetonitrile Headspace-Gas c...
HJ 678-2013 水质 金属总量的消解 微波消解法
HJ 678-2013.Water quality-Digestion of total metals-Microwave assisted acid digestion method. 1 适用范围...
HJ 677-2013 水质 金属总量的消解 硝酸消解法
HJ 677-2013.Water quality-Digestion of total metals Nitric acid digestion method. 1适用范围 HJ 677规定了水中金...
HJ 675-2013 固定污染源排气 氮氧化物的测定 酸碱滴定法
HJ 675-2013.Determination of nitrogen oxide emissions from stationary sources by acid-base titration...
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