HG/T 3139.4-2001.Vertical reducer for tank Series LPJ cylindrical gears reducer. 1范围 HG/T 3139.4规定了LPJ系列两级、三级平行轴圆柱齿轮减速机(以下简称减速机)的产品分类、要求、试验方法、检验规则、标志、

HG/T 3139.3-2001.Vertical reducer for tank Series LC cylindrical gears reducer. 1范围 HG/T 3139.3规定了LC系列两级同轴式圆柱齿轮减速机(以下简称减速机)的产品分类、要求、试验方法、检验规则、标志、包装、运输

HG/T 3139.2-2001.Vertical reducer for tank Series XL cycloidal gear reducer. 1范围 HG/T 3139.2规定了XL系列单级:两级、三级釜用立式摆线针轮减速机(以下简称减速机)的产品分类、要求、试验方法、检验规则、标志、包

HG/T 3139.1-2001.Vertical reducer for tank Types and paramters. 1范围 HG/T 3139.1规定了釜用立式减速机(以下简称‘减速机”)的种类、类型代号、型号表示方法及基本参数。 HG/T 3139.1适用于电动机功率范围为0.04~3

HG/T 3531-2003.Industrial circulating cooling water-Determination of water for sludge and corrosion products. 1范围 HG/T 3531规定了工业循环冷却水系统中污垢和腐蚀产物中水分含量的测

HG/T 3525-2003.Industrial circulating cooling water-Determination of aluminium-Spectrometric method using pyrocatechol violet. 1范围 HG/T 3525规定了工业循环冷却水

HG/T 3520-2000.Industrial circulating cooling water-Determination of calcium for phosphorus-zine prefilmingtluid. 1范围 HG/T 3520规定了以聚磷酸盐、锌盐为预膜剂的工业循环冷却水

HG/T 3519-2003.Industrial circulating cooling water-Determination of Benzotriazole. 1范围 HG/T 3519规定了工业循环冷却水中苯并三氮唑的测定,测定范围为0.4mg/L~10mg/L。 HG/T 3519适用于

HG/T 3518-2003.Industrial circulating cooling water-Determination of mercaptobenzo-thiazole. 1范围 HG/T 3518规定了工业循环冷却水中巯基苯并噻唑的测定,测定范围为0.2mg/L~1mg/L。 HG/

HG/T 3516-2003.Industrial circulating cooling water-Determination of nitrite-Molecular absorption spectrometric method. 1范围 HG/T 3516规定了工业循环冷却水中亚硝酸盐的测

HG/T 3534-2003.Industrial circulating cooling water- Determination of undissolved material in acid , phosphorus , ferrum，aluminium , calcium , magnesi

HG/T 3533-2003.Industrial circulating cooling water- Determination of ignition-loss for sludge and corrosion products. 1范围 HG/T 3533规定了工业循环冷却水污垢和腐蚀产物5