GB - Chinese national standards

Surface chemical analysis—Secondary-ion mass spectrometry—Method for depth profiling of boron in silicon

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

1.2/4.4mm composite coaxial cable for telecommunication use

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Surface chemical analysis—Determination of surface elemental contamination on silicon wafers by total-reflection X-ray fluorescence (TXRF) spectroscopy

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Standard test method for fluorine,chlorine and sulfur in petroleum products—Combustion-ion chromatography

Available languages: English, Chinese

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Specifications for risk assessment of geological hazard

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Technical specification for the co-production engineering of biomass pyrolysis carbon gas oil—Part 1: Process design

Available languages: English, Chinese

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Jewellery—Determination of precious metal content—Difference method using inductively coupled plasma optical emission spectroscopy

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Meters for irrigation water

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Foil bearings—Performance of hydrodynamic gas journal bearings—Testing of static load capacity,friction coefficient and lifetime

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Non-destructive testing—Evaluation of vision acuity of NDT personnel

Available languages: English, Chinese

Available design: electronic design (pdf), Print design