The whole apparatus operates under high vacuum.
整个装置在高真空下运转。
CCQ pneumatic ultra-high vacuum gate valve With signal feedback device.
CC Q型气动超高真空插板阀带反馈信号装置。
The N-methyl chitosan or N-ethyl chitosan was cast into films at high vacuum.
将N-甲基壳聚糖或N-乙基壳聚糖的甲酸溶液在高真空中浇铸成膜。
An ultra high vacuum gaseous hydrogen permeation apparatus has been designed.
报道了超高真空气相氢渗透实验装置的设计及研制。
It is widely used for its simple configuration, high vacuum and easy operation.
结构简单，真空度高，操作方便，适用范围广。
Abstract :K418 Ni-base superalloy was melted in high vacuum arc-melting furnace.
采用高真空电弧熔炼炉熔炼，制备了K418镍基高温合金。
A high vacuum in the fuel tank can cause atmospheric pressure to collapse the tank.
燃油箱内的高真空，会引起大气压力压塌油箱。
GD high vacuum flapper valve is used to put through cut off the airflow in vacuum pipeline.
GD型高真空挡板阀用于接通或切断真空管路中的气流。
From small to a few millimeters to a few meters, from high vacuum to high pressure can be applied.
通径从小到几毫米到几米，从高真空到高压力均可应用。
The adsorption isotherms of adsorbents (NA and NB) were obtained by high vacuum gravimetric method.
用高真空重量法测取了自制吸附剂NA和NB的吸附等温线；
Used either solely as Rough Pumps, or in combination with other high vacuum pumps as Backing Pumps.
可单独作低真空泵用，也可与其他高真空泵组合作前级泵用；
Insects coated with the material were able to survive up to two hours in a high vacuum the team reports.
用这种材料涂覆的昆虫可以在该小组报道的高真空环境下存活长达两个小时。
It indicates that the sixth harmonic generation in high vacuum is more preferable than that in low vacuum.
实验结果表明高真空状态对于六倍频相干光的产生比在低真空状态下更为有利。
Objective: To investigate the application of high vacuum method in phacoemulsification and evaluate its effect.
前言：目的：探讨高负压在超声乳化手术中的应用，并对其效果进行评价。
It introduces a space environment simulator control system used to realize ultra low temperature and high vacuum.
介绍一种用于实现超低温、高真空的太空环境模拟器控制系统。
The soft soil roadbed engineering of Chuangye Avenue and Keji Avenue is disposed by high vacuum compaction method.
创业大道、科技大道软土路基工程采用高真空击密专利技术法进行处理。
The invention relates to a device for improving utilization rate of a high vacuum ion beam sputtering target material.
本发明涉及一种高真空离子束溅镀靶材利用率增强装置。
The difference between leak rate and rate of pressure rise of high vacuum pneumatic operation baffle valve is analyzed.
本文通过高真空气动挡板阀的数据分析来说明漏率和升压率在高真空范围内二者之间的差异。
VTLEBUF01 electric high vacuum butterfly valve USES electric device to drive the stem disc to perform open close action.
VTLEBUF 01型电动高真空蝶阀是以电动装置驱动阀杆与阀板执行启闭动作。
Using high vacuum magnetron sputtering system, it is coated sensitive film on the optical fiber end face, silicon, glass.
并采用高真空磁控溅射镀膜技术将敏感膜溅射在光纤端面、硅片、有机玻璃上。
Both pumps offer excellent metering performance, high vacuum lift, dry priming capability and no possibility of back-flow.
两类泵还具有良好的计量、高真空提升、干启动以及防回吸等功能。
The system's measuring range can be automatically switched from low vacuum to high vacuum, and it has a wide measuring range.
本系统具有从低真空到高真空，气压测量范围宽、量程自动切换功能，并能实现对真空度的实时控制。
Influence factors, such as molar excess content of glycol, high vacuum time, are mainly studied in the synthesis of polyester glycol.
在制备聚酯二醇的实验中主要研究了醇酸摩尔投料比和高真空时间等对合成分子量有影响的因素。
The substitution of evacuated powders for high vacuum alone will usually improve the insulation by reducing the radiant heat transfer.
只需用抽空气体的粉末而不用单纯的高真空，一般便可减少辐射热传输，从而提高绝缘度。
The heated oxidation film of U-Nb alloy is studied by auger electron spectroscopy (AES) at different temperature in the high vacuum chamber.
用俄歇电子能谱（AES）研究了高真空下，环境温度对铀铌合金真空氧化膜的影响。
It has simple structure, good airtight performance with high vacuum degree, no vortex loss, low cost on production, and no need maintenance.
本发明特点在于结构简单，气密性好，真空度高，无涡流损耗，制作成本低廉，而且不需对其进行专门维护。
CCD electric ultra-high vacuum gate valve USES electric device to drive the stem, moving valve disc updown to make the valve opened or closed.
CCD电动超高真空插板阀是通过电动装置驱动阀杆带动阀板作上下运动，达到阀门的开启或关闭。
Describes in detail the unified standards formulated in 1953 for the series of high vacuum oil diffusion pumps manufactured in the former USSR.
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.
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。
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