此外，随渗氮温度的增高，试样的增重率提高，含氧量显著增高。
Moreover, with the nitriding temperature rising, the sample pick-ups increases correspondingly, and so the oxygen content.
通过比较在不同渗氮温度及时间条件下的渗氮效果，制定合理的工艺参数。
This paper presents the different results on condition of varying nitriding temperatures and time. So the proper technological parameters can be decided.
研究了减温阀门气体渗氮工艺，分析了渗氮温度、渗氮时间对其力学性能的影响。
The technology of gas-nitration of the reducing-temperature valve was studied. The effects of nitration temperature and time on the mechanical properties were analysed.
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