high purity oxygen [化学] 高纯氧 ; 高纯度氧
high purity oxygen aeration system 高纯氧换气系统 ; 高纯氧曝气系统
High purity oxygen activated sludge 纯氧曝气活性污泥法
purity oxygen 纯度氧气
low-purity oxygen 低纯度氧气
purity of oxygen 氧气纯度
After the repair, oxygen purity reaches over 99.5%.
修复投入使用，氧气纯度达99.5%以上。
Increasing the volume of tank can also improve the oxygen purity.
增加储气罐的体积有利于提高氧含量。
Trial use of the device helps analyze such factors as pressure, temperature, and discharge that will affect the purity of the oxygen, and provides proof of improvement.
通过对装置进行试验，分析了压力、温度、流量等因素对膜分离和变压吸附制得氧气纯度的影响，为装置的进一步改进提供了依据。
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