low flow rate condition 小流量工况
The PL linewidth is decreased with increasing ammonia flow rate due to the improved uniformity of Si-ncs under high NH3 flow rate condition.
而当氨气流量增加，光激发荧光的线宽会减小，这是因为在高氨气流量下，纳米硅颗粒的均匀度会提升。
By means of numerical simulation, the research on inner-flow of mining contra-rotating axial flow fan working under low flow rate condition was made.
通过数值模拟手段，对一矿用对旋式轴流式通风机小流量工况内部流动进行了深入研究。
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