碳化钨钢结硬质合金技术条件及其力学性能的测试方法
Specifications for steel-bonded tungsten carbides and test method of its mechanical properties
检测标准
金属钙分析方法 蒸馏-奈斯勒试剂光度法测定氮
Method for analysis of calcium metalThe determination of nitrogen by distillation-Nessler reagent photometrie method
金属钙分析方法 8-羟基喹啉-三氯甲烷萃取分光光度法测定铝
Method for analysis of calcium metal-The determination of aluminium by oxinechloroform extraction photometric method
金属钙分析方法 第3部分:原子吸收分光光度法直接测定铁、镍、铜、锰、镁
Methods for analysis of calcium metal-Part 3 : Direct determination of iron ,nickel ,copper , manganese and magnesium in calcium metal by atomic absorption spectrophotometry
金属钙分析方法 微量硅的光度法测定
Method for analysis of calcium metal-The determination of miero-amounts of silicon by photometrie method
金属钙分析方法 氯离子选择性电极法测定氯
Method for analysis of calcium metal The determination of chlorine content by chloride-Seleetive eleetrode
电工钢带(片)中频磁性能测量方法
Methods of measurement of magnetic properties of electrical steel strip and sheet at medium frequencies
不锈钢三氯化铁缝隙腐蚀试验方法
Ferric chloride crevice corrosion test of stainless steels
黄铜耐脱锌腐蚀性能的测定
