• The whole apparatus operates under high vacuum.

    整个装置真空运转

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  • The N-methyl chitosan or N-ethyl chitosan was cast into films at high vacuum.

    N-甲基聚糖N-乙基壳聚糖的甲酸溶液真空中浇铸

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  • An ultra high vacuum gaseous hydrogen permeation apparatus has been designed.

    报道超高真空气相渗透实验装置的设计及研制。

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  • 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比对系统

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  • It is widely used for its simple configuration, high vacuum and easy operation.

    结构简单真空度,操作方便适用范围广。

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  • According to the work of a low pressure vacuum valves, ultra high vacuum valves and vacuum valves.

    根据工作压力真空阀门真空阀门超高真空阀门。

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  • The adsorption isotherms of adsorbents (NA and NB) were obtained by high vacuum gravimetric method.

    真空重量法测取了自制吸附剂NANB吸附等温线

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  • Insects coated with the material were able to survive up to two hours in a high vacuum the team reports.

    这种材料涂覆昆虫可以小组报道的真空环境下存活长达两个小时

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  • 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真空太空环境模拟器控制系统

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  • 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。

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  • The invention relates to a device for improving utilization rate of a high vacuum ion beam sputtering target material.

    发明涉及一种真空离子束溅镀靶材利用率增强装置

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  • The difference between leak rate and rate of pressure rise of high vacuum pneumatic operation baffle valve is analyzed.

    本文通过真空气动挡板阀数据分析来说明升压率在高真空范围内二者之间的差异。

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  • VTLEBUF01 electric high vacuum butterfly valve USES electric device to drive the stem disc to perform open close action.

    VTLEBUF 01型电动真空蝶阀是以电动装置驱动执行启闭动作

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  • The system's measuring range can be automatically switched from low vacuum to high vacuum, and it has a wide measuring range.

    系统具有真空真空,气压测量范围量程自动切换功能实现对真空度实时控制。

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  • PET polycondensation process is controlled by the chemical reaction even if in the high vacuum stage by the sufficient stirring.

    有效搅拌条件下,三种催化剂在真空阶段有较高催化活性,过程化学反应控制的。

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  • Influence factors, such as molar excess content of glycol, high vacuum time, are mainly studied in the synthesis of polyester glycol.

    制备聚酯实验中主要研究了酸摩尔投料比和真空时间对合成分子量影响因素

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  • The substitution of evacuated powders for high vacuum alone will usually improve the insulation by reducing the radiant heat transfer.

    只需抽空气体粉末而不用单纯的真空一般便可减少辐射热传输,从而提高绝缘度。

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  • The heated oxidation film of U-Nb alloy is studied by auger electron spectroscopy (AES) at different temperature in the high vacuum chamber.

    俄歇电子能谱AES研究真空下,环境温度对铀合金真空氧化影响。

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  • 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:近地轨道选择合适分子参数可以极高真空环境下加工材料

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  • It mostly covers constituting of consisting of high vacuum system, principle of design, installation, debugging, operation, service and so on.

    概述了机组方案确定,设计原则安装调试操作维修等主要问题。

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  • Describes in detail the unified standards formulated in 1953 for the series of high vacuum oil diffusion pumps manufactured in the former USSR.

    详细介绍了苏联1953年由国家制订真空扩散工业产品统一系列

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  • It was found that the final oxygen content in molten steel is highly affected by the thermodynamic stability of lining materials at high vacuum.

    研究发现较高的真空度下炉衬材料稳定性对钢液终点含量产生决定性影响

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  • It works under low temperature, strong magnetic field, ultra high vacuum and high electric potential, which leads to high requirements for its design.

    组件工作低温磁场电压超高真空的环境中,工程设计提出了很高要求

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  • Conclusions Low energy and high vacuum phacomulsification combined with crush and chop technique for hard nucleus cataract is safe, quick and effective.

    结论采用新型刀的挤切碎核技术,负压能量超声乳化对于核性白内障安全快捷

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  • 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.

    适用空气其它无可性及无腐蚀性气体广泛应用于需要大抽真空各种这系统

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  • 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绝热特点及其优点并说明发展前景

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  • 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.

    施加不同压力真空环境下对超声电机转速转矩温升进行测量常态相比较

    youdao

  • 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.

    施加不同压力真空环境下对超声电机转速转矩温升进行测量常态相比较

    youdao

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