azotize

And the azotized silicon product has won the honorary title of national new product for the year of 1995.

氮硅制品获得1995年度国家级新产品荣誉。

The chemical treatment main method has the cementation, Azotize, infiltrates the metal.

学热处理的主要有渗碳、渗氮、渗金的方法。