activated nitriding process的用法和样例：
- The company's nitriding process is divided into:gas soft-nitriding,MGN and gas rigidity-nitriding.
- The experimental results showed that the presence of RE could obviously accelerated nitriding process of LD steel.
- The paper makes a primary approach to a two big problems on the long period and the heavy brittleness resulting from gas nitriding process.
- Gas nitriding process is graduately replaced by ion nitriding process because of taking long time and expending a large amounts of gas.