HJ 2006-2010.Technical specifications for coagulation and flocculation process in wastewater treatme...
HJ 630-2011 环境监测质量管理技术导则
HJ 630-2011.Technical guideline on environmental monitoring quality management. 1适用范围 HJ 630规定了环境监测质...
HJ 2010-2011 膜生物法污水处理工程技术规范
HJ 2010-2011.Technical specification for wastewater treatment by membrane biological process. 1适用范围 ...
HJ 2009-2011 生物接触氧化法污水处理工程技术规范
HJ 2009-2011.Technical specifications for wastewater treatment by biological contact oxidation proce...
HJ 632-2011 土壤 总磷的测定 碱熔-钼锑抗分光光度法
HJ 632-2011.Soil-Determination of Total Phosphorus by akali fusion-Mo-Sb Anti spectrophotometric met...
HJ 631-2011 土壤 可交换酸度的测定 氯化钡提取-滴定法
HJ 631-2011.Soil-Determination of exchangeable acidity by barium chloride extraction-titration metho...
HJ 633-2012 环境空气质量指数(AQI) 技术规定(试行)
HJ 633-2012.Technical Regulation on Ambient Air Quality Index (on tial). 1适用范围 HJ 633规定了环境空气质量指数的分级方...
HJ 638-2012 环境空气 酚类化合物的测定 高效液相色谱法
HJ 638-2012.Ambient air-Determination of phenolic compounds by high performance liquid chromatograph...
HJ 636-2012 水质 总氮的测定 碱性过硫酸钾消解紫外分光光度法
HJ 636-2012.Water quality-Determination of total nitrogen-Alkaline potassium persulfate digestion UV...
HJ 635-2012 土壤 水溶性和酸溶性硫酸盐的测定 重量法
HJ 635-2012.Soil-Determination of water: soluble and acid-soluble sulfate-Gravimetric method. 1适用范围 ...
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