HJ 2006-2010.Technical specifications for coagulation and flocculation process in wastewater treatment.1适用范围HJ 2006规定了污水处理工程中所采用的混凝与絮凝工...
HJ 630-2011.Technical guideline on environmental monitoring quality management.1适用范围HJ 630规定了环境监测质量体系基本要求以及环境监测过程的质量保证与...
HJ 2010-2011.Technical specification for wastewater treatment by membrane biological process.1适用范围HJ 2010规定了膜生物法污水处理工程的工艺设计、主要工艺设...
HJ 2009-2011.Technical specifications for wastewater treatment by biological contact oxidation process.1适用范围HJ 2009规定了采用生物接触氧化法(以下简称接触氧化...
HJ 632-2011.Soil-Determination of Total Phosphorus by akali fusion-Mo-Sb Anti spectrophotometric method.1适用范围HJ 632规定了测定土壤中总磷的碱熔-钼锑抗分光光度...
HJ 638-2012.Ambient air-Determination of phenolic compounds by high performance liquid chromatography.1适用范围HJ 638规定了测定环境空气中酚类化合物的高效液相色...
HJ 636-2012.Water quality-Determination of total nitrogen-Alkaline potassium persulfate digestion UV spectrophotometric method.1适用范围HJ 636规定了测定水中总氮的碱性过...
HJ 635-2012.Soil-Determination of water: soluble and acid-soluble sulfate-Gravimetric method.1适用范围HJ 635规定了测定土壤中水溶性和酸溶性硫酸盐的重量法。...
HJ 634-2012.Soil-Determination of ammonium,nitrite and nitrate by extraction with potassium chloride solution-spectrophotometric methods.1适用范围HJ 634规定了测定土壤中氨...
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案、计算方法和环境空气质量级别与...
