It dealed with the problem of brazing of steel hardware and copper that nitrogen base controlled atmosphere continuous brazing furnace.

研制的氮基可控气氛连续钎焊炉，成功地解决了钢质零件的铜钎焊问题。

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The experimental results show that alumina dispersion strengthened copper base composites with good heat-resistance can be produced by the means of the inner oxiding in a nitrogen base atmosphere.

结果表明，在氮基气氛中进行内氧化处理同样可以得到具有很好热稳定性的氧化铝弥散强化铜基复合材料；

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Low - temperature boronizing base was studied for card wires with nitrogen atmosphere as outer layer protection.

对针布齿条氮基气氛外层保护低温渗硼的方法进行了研究。

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