为了检测载气的纯度，在样品管进口直接连接装有变色的401型脱氧催化剂的检测管。
A glass tube containing catalyst 401 which is used as a color indicator for trace amount of oxygen was connected with the sample tube to monitor the purity of carrier gas during operation.
氮气脱氧罐中装有一个游离铜催化剂的固定床，通过将铜氧化成氧化铜把氧气从氮气中脱除。
The nitrogen Deoxo Vessel contains a fixed bed of free copper catalyst which removes oxygen from the nitrogen stream by oxidation of copper to copper oxides.
结果证明，这两种催化剂的脱氧性能和预期寿命达到国际同类产品水平。
The results showed that their oxygen removal ability and life expectancy are the same as imported catalysts.
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