high vacuum diffusion pump

Discussion on condition testing the degree of ultimate vacuum of ultrahigh vacuum diffuse pump oil;

超高真空扩散泵油极限真空测试条件的探讨

Development of an Automatic Testing System for Diffusion Pumps' Performances

扩散真空泵性能自动测量系统的研制

Development of an automatic testing system for diffusion pump performance

扩散真空泵性能自动测试系统的研制

diffusion bonding

扩散结合，扩散粘结(金属在真空中加压，相互扩散而粘结)

horizontal divergent-nozzle pump

水平发散喷嘴扩散泵

Research on A-TIG Welding and Diffusion Bonding of Magnesium Alloys;

镁合金活性TIG焊和真空扩散焊的研究

Vacuum Diffusion Bonding of SiC Particulate Reinforced LD2 Matrix Composite;

SiC颗粒增强LD2复合材料的真空扩散焊

Study on welding process of Fe-Cr-Al alloy vacuum diffusion bonding

FeCrAl合金材料真空扩散焊工艺实验研究

Vacuum diffusion welding of dissimilar materials of M2/40Cr

M2/40Cr异种材料真空扩散焊的分析

mercury vapor [air] pump

汞汽泵，汞汽(扩散)抽机

The Leakage Convention Diffusion Simulation in the Airtight Space under Ventilation Condition

在通风条件下密闭空间漏气的对流扩散仿真

Study on the Microstructure and Property of the Aluminized Coating on Pure Magnesium Obtained by Vacuum Solid Diffusion;

纯镁表面真空扩散渗铝层结构和性能研究

Study on Vacuum Diffusion Bonding Technique between Magnetic Refrigerant Material Gd and Cu、Al;

磁制冷材料Gd与Cu、Al的真空扩散焊工艺研究

Study on Vacuum Diffusion Bonding of Zircaloy-4 and 316L Stainless Steel;

Zr-4合金与316L不锈钢真空扩散连接的研究

Vacuum-free Semi-solid Diffusion Brazing of SiCp/ZL101A Composites by the Aid of Vibration;

SiCp/ZL101A复合材料振动辅助非真空半固态扩散钎焊

Study on Vacuum Diffusion Welding of YG20 and Invar Alloy

YG20与因瓦合金真空扩散焊接技术的研究

Research and Implementation on Emergency Simulation and Visualization of Air Pollution Dispersion

空气污染扩散应急仿真与可视化研究及实现

Experimental Research on Vacuum Diffusion Bonding of PDC Bit

PDC钻头真空扩散焊接工艺正交试验研究

Microstructure and Properties of Vacuum Diffusion Bonded CLAM Steel Joint

真空扩散连接CLAM钢接头的微观组织与性能