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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| NB/T 10549-2021 |
Detection method for DC resistivity of floor grouting effect of coal mining face {译} 采煤工作面底板注浆效果直流电阻率探测方法 |
China Energy Industry
Standards Detection method DC |
 English PDF |
| HJ 377-2019 |
Technical requirements and detection methods of chemical oxygen demand (CODCr) water quality online automatic monitor {译} 化学需氧量（CODCr）水质在线自动监测仪技术要求及检测方法 |
China Environment Industry
Standards Detection method DC |
English PDF |
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