A nitrogen heat treatment method of nozzles was proposed for the sharp wear, evident high temperature creep deformation of the nozzles for sulfur atomization.

针对硫磺雾化喷嘴存在磨蚀快、高温蠕变明显的现象，提出了喷嘴氮化热处理的方法。

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Using infrared system the apparatus of non-touching at limited-area to monitor the hardening temperature at site is produced for high-frequency induction heat treatment.

利用红外测温原理，研制出高频热处理时的小目标非接触式在线动态监控淬火件温度的装置。

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An process of ion bombardment heat treatment for high dimension precision slender rods was discussed through treating the valves with different loading ways, heating temperature, and heating ways.

以气门的离子轰击热处理为研究对象，通过对装炉形式、处理温度及工艺方法等试验，探讨了尺寸精度要求较高的细长杆件的离子热处理工艺。

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