Home / Standards / GB/T 31709-2015 GB/T 31709-2015 Active Data processing of background atmospheric carbon dioxide and methane concentration measured by in situ gas chromatographic (GC) system 气相色谱法本底大气二氧化碳和甲烷浓度在线观测数据处理方法 Standard Type GBT ICS 07.060 CCS A47 Status 现行 Issue Date 2015-06-02 Implementation 2016-01-01 Responsible Dept 中国气象局 Drafting Unit N/A