The effects such as rotational speed seal gap different magnetic fluid behavior on the vacuum seal pressure-resistant capacity was investigated .

主要从转速、密封间隙、不同磁性液体性质几个方面，探讨了它们对 真空 密封耐压能力的影响。

On the base of the knowledge of Microwave ECR plasma and probe diagnostics technology this thesis designs a newly Langmuir probe and solves the problems of the microwave leaking and vacuum seal . 2 .

本文完成的主要工作归纳为以下几点：1.结合了微波ECR等离子体的特点以及等离子体探针诊断技术，设计了一种新型的朗缪尔探针，很好的解决了 真空 密封和微波泄漏的问题。

The Yunnan 1 - meter Solar Telescope ( YNST ) is a vacuum telescope . It uses four flat vacuum windows to seal off the vacuum .

云南一米太阳塔（YNST）的望远镜是一台地平式真空望远镜，依靠4块平板 封窗玻璃把整个光学系统 密封在真空系统中。

Magnetic Liquid is currently the most widely used is a dynamic seal especially for vacuum sealing seal such as gas or dust for .

磁性液体目前最广泛的应用是动态密封，特别是用于封 真空、 封气体或用于防尘等。

Under the vacuum condition seal is very important problem because the uncondensable gas has great influence on the heat transfer under condensation .

真空条件下，不凝性气体含量对凝结换热影响较大，应重视冷凝器的 密封问题；

This paper describes the structure performance and sealing mechanism of feed-in device of rotary shaft vacuum seal by using a new magnetic material magnetic fluid as sealing medium and gives the measured data of the vacuum and the leak rate .

本文介绍了用新型磁性材料&磁液作密封体的旋转轴 真空 密封馈入装置的结构、性能、密封机制，并给出了有关真空度及泄漏率的测试数据。

Research Popularization and Application of Vacuum Water Feeding Type Water Seal

真空给水式 水封的研制及推广应用

And we found out that the major causes of vacuum leak lied in a leakage in the low-pressure explosion-proof door a bigger low-pressure vapor seal radial clearance and the low tightness of the cylinder .

分析发现低压防爆门泄漏、低压汽 封径向间隙偏大及汽缸严密性能差是造成汽轮机 真空系统漏空的主要原因。

After the retrofit steam leakage and reduction of vacuum in the front and back low pressure shaft seals are solved and the dehumidification of the blade tip steam seal is reinforced . The economy and safety of the unit are thus improved .

通过改造解决了低压前后轴封漏汽掉 真空问题，增强叶顶汽 封的去湿效果，提高了机组运行的经济性和安全性。

A differential vacuum seal for the vertical scanner was calculated and designed in this article .

对垂直扫描机构差 分式 密封进行了设计和计算。

Author does some design on tube union and ball valve aiming at that . Vacuum level directly influences on the quality of cast resin so author makes some design on vacuum static seal in this thesis .

真空度直接影响了电子本体和偏转线圈的灌封质量，故本文对 灌封 设备 真空静 密封进行了一定的研究与设计。

The key technique and the characteristics of the vacuum header seal device and vacuum box are focused on .

在油田修井作业中， 井口 自封装置在安全 生产、环境保护等方面发挥了重要作用。

This cap-sealing machine use 51 microcontroller as its central process unit and based on the principle of capacitor discharge welding matched with the corresponding control circuit and mechanical parts vacuum parts and nitrogen tanks to form a complete seal cap system .

此封帽机以51单片机为核心，基于电容储能焊的原理，再配上相应的电路以及机械控制部分， 抽 真空部分和氮气保护舱，构成一套完整的 封帽系统。

I do know the answer to your question about the vacuum seal .

我确实知道你关于 真空 包装的问题的答案。

Experimental investigation of vacuum seal of the pony ladle

中间盛钢桶 真空 密封的实验研究

In this paper how to ensure liquid steel and molding quality was introduced and so on the vacuum seal molding technology characteristics was analyzed the sand preparation flow was expatiated .

同时介绍了如何保证钢水质量、造型质量等，分析了 V 法造型工艺的主要特点，阐述了砂处理的工艺流程。

Ultra-high vacuum flange & Copper seal gaskets

GB/T6071.3-1985超高 真空法兰用铜 密封垫

Improvement on Vacuum Seal Process for Solid Discharge Tube Used in MDF

通信总配线架用固体放 电管 封 接工艺的改进

Slide-valve vacuum pump is a usual mechanical oil seal vacuum pump .

滑阀 真空泵是一种常见的 油封 式机械真空泵。

Designed a newly Langmuir probe solved the problem of the wave leaking out and vacuum seal besides analyzed some troubles in its performance and gave the solving methods . 2 .

本论文的主要内容为：1.设计了一种新型的朗缪尔静电探针，很好地解决了 真空 密封，微波泄漏等问题，分析了静电探针使用中的几个问题并提出了解决方法。

Following the theory analysis of the vacuum seal structure on the frame taking thickness and width of the hermetic trough as design variables optimum design is carried out .

对夹具体的 真空 密封结构进行了理论分析，并对密封关键部位即密封槽分别以槽深和槽宽为设计变量进行了设计和优化。

Put up the pre-welding preparation welding equipment control method welding characteristics of the vacuum box which resolved to the distortion and seal meet the requirement .

提出焊前准备、焊接工装以及焊接过程控制的工艺方法和 真空盒的焊接特点；有效解决了焊接变形和焊接 密封问题，在实际生产中获得了满意的焊接效果。

Magnetic transmission widely used in chemical pharmaceutical and food industry with pressure vacuum and pollution for full seal .

磁力耦合传动已经广泛应用在化工、医药、食品等一些带有压力、 真空或污染的 机械 设备上实现了完全 密封1 w_2191。

Vacuum vessel seal structure used in the leak test of a liquid rocket engine turbopump is discussed .

论述了某型号液体火箭发动机涡轮泵高压低温静密封检漏试验用 真空室 密封结构的设计问题。

The technique of large-sized rotary dynamic sealing is a key one for electron beam welding in partial vacuum ambient . The technical scheme of rotary dynamic seal and selection of its facility are discussed and a set of experimental rig for testing large-sized rotary dynamic seal is developed .

大尺寸旋转动密封技术是局部 真空电子束焊接的关键技术论述了旋转动 密封技术方案和 动 密封机构的选择，研制了1台大尺寸旋转动密封试验装置。

The boiloff rate of liquid helium of the model SR & 2 is less than 4 . 2 liters / day . A valve of low melting point alloy is used for vacuum and seal . It is vacuumed easily and sealed reliably .

SR&2的液氮日蒸发率小于4.2升/日，容器夹层 抽空 密封采用低熔点合金阀，抽空容易、密封可靠，经七年使用，未发现漏气现象。

In this paper we introduce the effect of the temperature on vacuum and seal airtight for fully automatic programmed vacuum porcelain furnace in technological process of roasting porcelain as well as adopted effective vacuum airtight measures .

介绍了自动可编程真空烤瓷炉在烤瓷工艺过程中，温度对 真空 度及 密封的影响，以及相应所采取的有效的真空密封措施。

So it is significant to research on the design of magnetic fluid seal and its application on wafer handling robot working in vacuum condition . Firstly the development and research on wafer handling robot and magnetic fluid seal technology of china and abroad is introduced in this paper .

因此，研究应用于 真空硅片传输机器人的磁流体密封技术及设计方法具有重要意义。本文首先分析了国内外硅片传输机器人和磁流体 密封技术的发展和研究现状。

The design plan of the VFD exhauster without vent is introduced . The key technique and the characteristics of the vacuum header seal device and vacuum box are focused on .

在介绍无排气管VFD立式排气机的结构设计方案的基础上，重点讨论了 真空头、 封口装置、真空盒的关键技术及其特点。

Find the main leakage positions of the vacuum system and analyse causes propose comprehensive reform measures to eliminate leakage points including low-pressure cylinder seal and steam seal system .

查明 负压系统漏点的主要部位，分析产生的原因，提出了系统全面的消除漏点的改造措施，对低压缸 轴封、汽封等系统实施改造。