Standards GB - Chinese national standards - Page 165

Water for boiler and cooling system-Determination of mineral oil

Standard published on 13.8.2007

Analysis of water used in boiler and cooling system - Determination of total aluminium

Standard published on 1.4.2008

Determination of dissolved oxygen in water for industrial circulating cooling system and boiler

Standard published on 9.3.2022

General requirements for preventing electrostatic accidents

Standard published on 31.12.2024

External micrometer

Standard published on 14.5.2018

Metallic materialsCalibration of extensometers systems used in uniaxial testing

Standard published on 18.10.2019

X and gamma reference radiation for calibrating dose meters and doserate meters and for determining their response as a function of photon energy--Part 1:Radiation characteristics and production methods

Standard published on 11.12.2000

X and gamma reference radiation for calibrating dosemeters and doserate meters and for determining their response as a function of photon energy—Part 1:Radiation characteristics and production methods
Execute Date: may 2026

Standard published on 31.10.2025

X and gamma reference radiation for calibrating dosemeters and doserate meters and for determining their response as a function of photon energy--Part 2:Dosimetry for radiation protection over the energy ranges 8keV to 1.3 MeV and 4MeV to 9MeV

Standard published on 4.2.2004

X and gamma reference radiation for calibrating dosemeters and doserate meters and for determining their response as a function of photon energy—Part 2: Dosimetry for radiation protection over the energy ranges from 8 keV to 1.3 MeV and 4 MeV to 9 MeV
Execute Date: may 2026

Standard published on 31.10.2025