Browse Standards
3488+ standards in database
3488 result(s) found
工业氮
Industrial nitrogen
工业氦
Industrial helium
无机化工产品中氯化物含量测定的通用方法 汞量法和离子色谱法
General methods for the determination of chloride content in inorganic chemical products—Mercurimetric method and ion chromatography method
工业用环氧丙烷
Propylene oxide for industrial use
一氧化二氮
Nitrous oxide
碳酸钠（纯碱）行业碳减排技术指南
Technical guidelines for carbon emission reduction in sodium carbonate (soda ash) industry
无机化工产品中总碳和总有机碳含量测定通用方法
General method for the determination of total carbon content and total organic carbon content in inorganic chemical products
纯氖、高纯氖和超纯氖
Pure neon ,high purity neon and ultra pure neon
纯氙、高纯氙和超纯氙
Pure xenon,high purity xenon and ultra pure xenon
橡胶塑料压延机安全要求
Safety requirements of rubber and plastics calenders
塑料衬里复合钢管和管件结构型式、主要尺寸及基本参数
Structure, main size and basic parameters of steel pipes and fitting lined with plastic
气体分析 空分工艺中危险物质含量的测定 第1部分：甲烷、乙炔、二氧化碳、总烃含量的测定
Gas analysis—Determination of the contents of hazardous materials in air separation process—Part 1: Determination of contents of methane,acetylene,carbon dioxide and hydrocarbons
气体分析 惰性气体中微量氢、氧、甲烷、一氧化碳含量的测定 氧化锆气相色谱法
Gas analysis—Determination of the trace contents of hydrogen,oxygen,methane and carbon monoxide in inert gases—Gas chromatography with zirconia detector
气体分析 纯度分析和纯度数据的处理
Gas analysis—Purity analysis and the treatment of purity data
平板硫化机安全要求
Safety requirements of daylight press
橡胶塑料挤出机和挤出生产线 第3部分：牵引装置的安全要求
Extruders and extrusion lines of rubber and plastics—Part 3：Safety requirements for haul-offs
橡胶塑料挤出机和挤出生产线 第2部分：模面切粒机的安全要求
Extruders and extrusion lines of rubber and plastics—Part 2: Safety requirements for die face pelletizers
橡胶塑料挤出机和挤出生产线 第1部分：挤出机的安全要求
Extruders and extrusion lines of rubber and plastics—Part 1: Safety requirements for extruders
开放式炼胶机炼塑机安全要求
Safety requirements of mill for rubber and plastics
杜马斯燃烧法定氮分析方法通则
General rule for determination of nitrogen content by Dumas combustion method