Perform the vacuum test using HF Electric - Spark vacuum Tester.
用高频电火花真空检测仪检测真空。
Tribology properties test could be made on this tester under different conditions, such as vacuum, filled with different gas, heating and cooling.
该机可以在真空、充不同气体、加热及冷却等多种条件下进行材料的摩擦学性能测试。
The interaction between the cerium and tin in steel was studied by vacuum induction melting, Xray diffraction, optical microscopy, electronic probe microscopy analysis, and microhardness tester.
采用中频真空感应熔炼炉、X射线衍射仪、金相显微镜、电子探针、显微硬度计等实验分析方法，研究了稀土金属铈与低熔点金属锡在钢中的相互作用。
The interaction between the cerium and tin in steel was studied by vacuum induction melting, Xray diffraction, optical microscopy, electronic probe microscopy analysis, and microhardness tester.
采用中频真空感应熔炼炉、X射线衍射仪、金相显微镜、电子探针、显微硬度计等实验分析方法，研究了稀土金属铈与低熔点金属锡在钢中的相互作用。
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