真空扩散焊接技术是机械热加工中一种先进的工艺方法。
Vacuum bonding is one of the advanced technique of mechanical procedure.
采用自制的小型真空扩散接合装置，进行了球铁与铜扩散接合试验研究。
The experimental research on 'diffusion bonding of spheroidal graphite cast iron and copper is conducted by adopting the self-made equipment of small vacuum diffusion bonding.
针对水平射流钻头钎焊工艺存在的问题，提出用真空扩散焊接代替钎焊制造水平射流钻头的新工艺。
In allusion to the problems of vacuum diffusion welded jet bits, a technique for manufacturing horizontally projected jet bits by means of vacuum diffusion welding was put forward.
现在我们让这部分容积内的气体扩散，到另一边的真空内。
And now we let the volume expand into vacuum on the other side.
详细地介绍了前苏联1953年由国家制订的高真空油扩散泵工业产品的统一系列。
Describes in detail the unified standards formulated in 1953 for the series of high vacuum oil diffusion pumps manufactured in the former USSR.
双回路高速真空吸气系统，由中央向四周扩散吸气。
Double loop high speed vacuum suction system, spread to the surrounding air by the central.
采用扩散泵和机械泵作高真空抽气系统组成模拟系统，以达到地外紫外线辐照条件。
To reach the qualification of outer space ultraviolet irradiation, we adopted the diffuse pump and mechanic pump as the high vacuumizing unit.
利用金属蒸汽真空弧（MEVVA）源所产生的强束流离子注入铝研究了相变、增强扩散和钇铝合金的形成条件。
Phase transition, enhanced diffusion and Y-Al alloy formation are studied using Y implantation with high current extracted from metal vapor vacuum arc (MEVVA) ion source.
真空冷却过程是复杂的相变传热传质过程，该过程涉及到扩散、传热、传质和相变等机理。
Vacuum cooling is a complicated heat and mass transfer process supported by various theories such as diffusion, heat transfer, mass transfer and phase change.
本文利用探针取样法结合同步辐射真空紫外光电离和分子束质谱技术研究了常压下的乙烯扩散火焰。
An ethylene diffusion flame has been investigated at normal pressure using synchrotron vacuum ultraviolet (VUV) photoionization and molecular-beam mass spectrometry.
真空干燥动力学模型符合单项扩散模型。
The drying dynamic model of vacuum drying was tally with the model of monomial spread.
食品真空贮藏过程是复杂的传热传质过程，该过程涉及到扩散、传热、传质等机理。
Vacuum storage of food is a complicated heat and mass transfer process supported by various theories such as diffusion, heat transfer, mass transfer and phase change.
本文提出了用真空固态热扩散焊接工艺连接金属分层板的方法。
A process connecting metallic slice sheet by diffusion welding is also put forwarded in this dissertation.
以较高的灵敏度和抗干扰能力测得了扩散型真空电弧的弧后电流值；
It is suitable for diffused vacuum arcs and of fairly high sensitivity and good anti-interference ability.
在扩散型电弧条件下对交流真空接触器触头侵蚀的特点进行剖析。
Under the condition of diffuse type of vacuum arcs the contact erosion rates in ac vacuum contactors are analysed.
分析了不同电源条件下的弧后电流。文中指出，扩散型真空电弧的分断极限是由电击穿决定的，而不由弧后电流引起的热击穿所定。
It has also been found that diffused vacuum arcs with a high current gives a low post-arc current and that the limitation to the breaking capacity for dif…
在微波真空干燥过程中，就整个板材而言，热扩散效应对木材中水分迁移的影响不大，但在局部的有限范围内，它对自动平衡木材内含水率具有显著的作用。
During the drying process of MV, for the whole board, the effect of thermal diffusion on moisture movement is not significant, but it can cause a leveling of moisture profile in a local range of wood.
分析了真空电弧的引燃过程和起弧后等离子体的扩散过程以及纵向磁场对等离子体扩散的影响。
The vacuum arc ignition process, the plasma diffusing and the axial magnetic field effect are also analyzed.
在真空系统中，这种泵可单独使用，或作为增压泵、扩散泵等的前级泵。
Use: May serve as the transmission in the oil transfer system, the booster pump.
冷侧真空度拐点后膜的通量与膜两侧水蒸汽分压平方根的差成直线关系，这种关系说明了水蒸汽在膜孔内的传质过程是以扩散为主；
After inflexion, the permeation flux is directly proportional to the difference of the square root of the vapour partial pressure on both sides of the membrane.
带 有孔洞的料筒有利于料球在高温真空还原时，镁、钙、锶蒸气的快速扩散，缩短了反应时间。
When the pellets are reduced in high-temperature vacuum, the charging barrel with holes is beneficial to quickly dispersing steam of magnesium, calcium and strontium and shortening the reaction time.
本发明采用扩散焊工装，将极靴壁和导热层放置于真空炉中通过扩散焊焊接为一体。
In the invention, the pole shoe walls and the heat conduction layer are placed in a vacuum furnace and then welded into one by diffusion welding by adopting a diffusion welding tool.
注入回旋加速器真空系统利用了原有油扩散泵。
巩华牌系列扩散泵油是金属扩散泵及玻璃扩散泵真空抽气时使用的工作液。
Gonghua brand series diffusion pump oil is the work fluid used by metal diffusion pumps and glass diffusion pumps in the process of vacuum pumping.
KT- 400高真空油扩散泵，它的特点是真空极限高，抽速大，提高生产效率，同时真空气动阀门采用自动控制。
KT-400 high vacuum oil diffusion pump, which is characterized by extreme high vacuum, pumping speed large, increase production efficiency while the vacuum pneumatic valves with automatic control.
KT- 400高真空油扩散泵，它的特点是真空极限高，抽速大，提高生产效率，同时真空气动阀门采用自动控制。
KT-400 high vacuum oil diffusion pump, which is characterized by extreme high vacuum, pumping speed large, increase production efficiency while the vacuum pneumatic valves with automatic control.
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