GB - Chinese national standards

Test methods for physical characters of rare earth metals and their compounds Determination for particle size distribution of rare earth compounds

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Test methods for physical properties of rare earth metals and their compounds—Part 1: Determination of particle size distribution of rare earth compounds—Laser diffraction method

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Test method of physical characters of rare earth metals and compounds Determination on specific surface area of rare earth compounds

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Test methods for physical properties of rare earth metals and their compounds—Part 2: Determination of specific surface area of rare earth compounds—Nitrogen adsorption method

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

EPA system architecture and communication specification for use in industrial control and measurement systems

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Petroleum and natural gas industries - Collection and exchange of reliability and maintenance data for equipment

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Valves for petroleum and natural gas industries

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Petroleum drilling and production equipment—Drill-through equipment

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Surface chemical analysis—Sputter depth profiling—Optimization using layered systems as reference materials

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Surface chemical analysis—Secondary-ion mass spectrometry—Determination of boron atomic concentration in silicon using uniformly doped materials

Available languages: English, Chinese

Available design: electronic design (pdf), Print design