The etching rate showed an initial increase, followed by a decrease when the helium flow rate increased.
刻蚀率随功率的增大而增大，随喷头距离的增加而减小。
The thermal regenerator efficiencies packed with bronze screen matrix of various size, blow periods, Helium flow rates etc have been measured with experimental compensate method.
本文通过采用补偿方法，分别测定了在液氮温区不同的工质流量、切换时间、填料网目数的回热器效率。
The solar wind is a high-speed but extremely tenuous stream of electrically charged gases—ionized hydrogen and helium—that flow outward from the sun.
太阳风是一种高速但非常稀薄的从太阳向外流动的带电气体离子氢、氦流。
Some typical aerodynamic flow patterns that related to industrial furnaces have been successfully photographed by using the helium bubble tracing technique.
本文利用氦气泡示踪技术成功地对工业炉中流体流动模型进行摄象。
Based on vacuum pumping accompanied with throttling process, presenting several superfluid helium cooling cycles and analyzing their flow principle and cooling characteristic.
以抽真空与节流相结合为基础，给出了几种超流氦冷却循环方式；分析了这几种方式的流程机理和冷却特性。
The outlet of the liquid helium heat sink pipeline is provided with a pipeline regulating valve for regulating the flow rate and pressure of the pipeline.
液氦热沉管路出口处安装有管路调节阀，用于调节管路流量和压 力。
The outlet of the liquid helium heat sink pipeline is provided with a pipeline regulating valve for regulating the flow rate and pressure of the pipeline.
液氦热沉管路出口处安装有管路调节阀，用于调节管路流量和压 力。
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