GB/T 22359.1-2022 标准详情

Common test methods for insulating and sheathing materials of electric and optical cables - Part 41:Methods specific to polyethylene and polypropylene compounds - Resistance to environmental stress cracking - Measurement of the melt flow index - Carbon black and/or mineral filler content measurement in polythylene by direct combustion - Measurement of carbon black content by thermo gravimetric analysis(TGA)- Assessment of carbon black dispersion in polyethylene using a microscope

Technical guideline on environmental risk assessment and prevention for oil pipelines

Environmental testing for electric and electronic products - Part 2: Test method - Test Db: Damp heat，cyclic ( 12h+12h cycle)

Environmental testing―Part 2: Test methods―Test XA and guidance: Immersion in cleaning solvents

Space environment—General requirements of ground simulation test for space environmental effects of spacecraft unit

Nanotechnologies—Assessment of the concentrations of carbon black and amorphous silica in nanoscale in a mixed dust manufacturing environment

Earth-moving machinery―Operator enclosure environment―Part 2: Air filter element test method

Thermal comfort requirements and evaluation for indoor environment

Technical requirement for the observational environment of seismic stations--Part 3:Crustal deformation observation

Coaxial communication cables—Part 1-203: Environmental test methods—Test for water penetration of cable

Iron, steel and alloy—Determination of nickel content—Flame atomic absorption spectrometric method