We use our Ti: sapphire laser as the pumping source, and do some researches on Nd:YVO4 lasers under direct pumping.
4.研究了用钛宝石激光器以直接泵浦方式泵浦的Nd:YVO_4激光器。
参考来源 - 固体激光器增益开关特性及4I·2,447,543篇论文数据，部分数据来源于NoteExpress
The gas-lift pumping plant is the power source, the gas volume has a direct effect on the scale of gas lift and the selection of power motor will directly affect the cost of gas-lift system.
压缩机组作为气举采油的动力源，其气量直接影响气举采油的规模，而动力机的选择也将直接影响整个气举系统的经济效益；
Steam is key medium for vacuum pumping of RH refining furnace. Direct use of converter steam in production is a difficult problem that has been solving in metallurgic enterprises.
蒸汽是RH 精炼炉真空泵抽真空所需的关键介质，直接将转炉蒸汽用于生产是国内冶金企业一直在解决的难题。
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