Standard Code | Standard Title | Standard Class | Order |
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SY/T 7657.1-2021 |
Natural gas Determination of composition by photoacoustic spectroscopy-infrared spectroscopy-fuel cell combined method Part 1: General {译} 天然气 利用光声光谱-红外光谱-燃料电池联合法测定组成 第1部分:总则 |
China Oil & Gas Industry
Standards photoacoustic |
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SY/T 7657.2-2021 |
Natural gas Determination of composition by photoacoustic spectroscopy-infrared spectroscopy-fuel cell combined method Part 2: Determination of methane content by photoacoustic spectroscopy {译} 天然气 利用光声光谱-红外光谱-燃料电池联合法测定组成 第2部分:光声光谱法测定甲烷含量 |
China Oil & Gas Industry
Standards photoacoustic |
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SY/T 7657.3-2021 |
Natural gas Determination of composition by photoacoustic spectroscopy-infrared spectroscopy-fuel cell combined method Part 3: Determination of ethane and above alkanes, carbon dioxide and carbon monoxide content by infrared spectroscopy {译} 天然气 利用光声光谱-红外光谱-燃料电池联合法测定组成 第3部分:红外光谱法测定乙烷及以上烷烃、二氧化碳、一氧化碳含量 |
China Oil & Gas Industry
Standards photoacoustic |
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SY/T 7657.4-2021 |
Natural gas Determination of composition by photoacoustic spectroscopy-infrared spectroscopy-fuel cell combined method Part 4: Determination of hydrogen content by fuel cell method {译} 天然气 利用光声光谱-红外光谱-燃料电池联合法测定组成 第4部分:燃料电池法测定氢含量 |
China Oil & Gas Industry
Standards photoacoustic |
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