GB/T 27884-2011
Determination of hydrogen、nitrogen、carbon monoxide carbon dioxide and methane in the coal-based F-T synthesis feed gas - Gas chromatographic method
T/SXAEPI 12-2022
T/AHEPI 0008-2023
ISO 20951:2019
Soil Quality — Guidance on methods for measuring greenhouse gases (CO2, N2O, CH4) and ammonia (NH3) fluxes between soils and the atmosphere
T/HZAEPI 005-2024