The whole apparatus operates under high vacuum.
整个装置在高真空下运转。
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。
In this paper, mainly introduce ultra high vacuum gauge intercomparison system.
本文主要介绍了全金属超高真空规管比对系统。
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。
According to the work of a low pressure vacuum valves, ultra high vacuum valves and vacuum valves.
根据工作压力有低真空阀门、高真空阀门和超高真空阀门。
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；
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 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。
Oil free high vacuum system, control system, heat system, it's power and the control program have been introduced.
介绍了无油超高真空系统、控制系统、烘箱与热功率以及软件的设计。
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。
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。
PET polycondensation process is controlled by the chemical reaction even if in the high vacuum stage by the sufficient stirring.
在有效搅拌条件下，三种催化剂在高真空阶段仍有较高的催化活性，过程是化学反应控制的。
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 is shown selecting suitable parameters of molecular shield on low-earth orbit, we can process super pure materials in extreme high vacuum.
计算结果指出：在近地轨道选择合适的分子屏参数，可以在极高真空环境下加工超纯材料。
It mostly covers constituting of consisting of high vacuum system, principle of design, installation, debugging, operation, service and so on.
概述了机组的方案确定，设计原则，安装、调试、操作、维修等主要问题。
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。
It was found that the final oxygen content in molten steel is highly affected by the thermodynamic stability of lining materials at high vacuum.
研究发现，在较高的真空度下炉衬材料的热稳定性对钢液终点氧含量产生决定性的影响。
It works under low temperature, strong magnetic field, ultra high vacuum and high electric potential, which leads to high requirements for its design.
组件工作在低温、强磁场、高电压、超高真空的环境中，这对工程设计提出了很高的要求。
Conclusions Low energy and high vacuum phacomulsification combined with crush and chop technique for hard nucleus cataract is safe, quick and effective.
结论采用新型碎核刀的挤切碎核技术，高负压、低能量超声乳化对于硬核性白内障安全、快捷。
In addition to pumping air and no condensate and other non-corrosive gases, widely used in pumping speed and the need for high vacuum of truth in this system.
适用于抽除空气及其它无可凝性及无腐蚀性的气体，广泛应用于需要大抽速和高真空的各种真这系统中。
This article introduces the characteristics and virtues of the high vacuum multi-layer insulation tank truck for low temperature liquid, presents its developing prospect.
本文简述真空多层绝热低温液体运输车的绝热特点及其优点并说明其发展前景。
By applying different pre-pressure, the speed, torque and temperature of the ultrasonic motor in low and high vacuum have been tested and compared with the normal condition.
施加不同的预压力在低、高真空环境下对超声电机的转速、转矩及温升进行测量并与常态下相比较。
By applying different pre-pressure, the speed, torque and temperature of the ultrasonic motor in low and high vacuum have been tested and compared with the normal condition.
施加不同的预压力在低、高真空环境下对超声电机的转速、转矩及温升进行测量并与常态下相比较。
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