在配备气管和氮气流量阀就可以作氮吹浓缩器使用；
If we equip gas tubes and nitrogen flow controller, it can be used as a concentrator.
主要考察了氮化温度和氮气流量对缓冲层生长的影响。
The influence of nitridation temperature and nitrogen flow rate on the growth of buffer layers is emphasized.
各参数对沉积速率影响的主次顺序为：沉积温度、沉积时间、氢气流量、氮气流量。
Primary and secondary sequence of parameters is temperature, time, flow rate of hydrogen and nitrogen.
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