依据化学动力学原理和内扩散理论，研制成功了无脆性快速气体渗氮新工艺。
According to chemical dynamics principle and internal diffusion theory, a no-brittle fast nitriding method has been developed.
因而建立这种三氮转移动力学耦合数值模型用于地下水污染预测是不可靠的。
Thus, it is unreliable to predict groundwater pollution with dynamical coupling numerical model of their transformation.
这种方法基于氮等离子体动力学模型，适用于气压范围1-100毫托。
This method is based on the kinetic model of nitrogen and can be used in pressure range 1-100 mTorr.
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