地震监测用标准气体
地震监测用标准气体 | ||
用途 |
组分及常用浓度范围 |
平衡气 |
地震监测 | he 0.1%, ar 1.0%, h2 0.1%, co2 25%, ch4 1.0% | n2 |
he 1%, ar 1.5%, h2 0.5%, co 2.5% | n2 | |
co 5%, co2 15%, ch4 5%, he 0.1%, h2 0.1%, ar 0.1% | n2 |
展开全文
地震监测用标准气体 | ||
用途 |
组分及常用浓度范围 |
平衡气 |
地震监测 | he 0.1%, ar 1.0%, h2 0.1%, co2 25%, ch4 1.0% | n2 |
he 1%, ar 1.5%, h2 0.5%, co 2.5% | n2 | |
co 5%, co2 15%, ch4 5%, he 0.1%, h2 0.1%, ar 0.1% | n2 |