1) vacuum tube
真空管
1.
Aimed at the problem of vacuum tubes working in vacuum switch applied in coal mines, the reasons and results of air escape taking place in vacuum tubes,a modified step is adopted to set up a protection unit for vacuum tube in vacuum switch.
针对真空开关在煤矿推广应用中真空管存在的问题，以及一旦漏气造成的后果和原因进行了分析，提出改进措施，并对在真空开关增加真空管的保护装置进行了探讨。
2.
The plate solar-powered water heater and the vacuum tube solar-powered water heater s developmental condition are analyzed.
分析了平板型太阳能热水器和真空管太阳能热水器的发展状况,对两种热水器的性能进行了比较,同时对它们的发展趋势做出了展望。
3.
A new design of solar vacuum tube adsorber was presented.
为提高吸附集热器的性能 ,提出了一种真空管太阳能吸附集热器的设计方案 。
2) evacuated tube
真空管
1.
A a new cost-effect iveness parameter is applied to analyze the structure parameters,including diam eter of evacuated tube,distance between two adjacent tube centers and the thick ness of adsorbent.
以分子筛 -水为吸附工质对对真空管型太阳能吸附集热器的集热性能进行了详细的分析计算 ,其中包括真空管内、外玻璃间非均匀温度表面的辐射换热 ,两相邻管之间的辐射换热 ,真空管与背板间的辐射换热以及背板的反光等 。
2.
Two solar evacuated tubes and one flat plate solar collect based on CHAPS system have been used to measure their heating efficiency and temperature with fluid of water and N_2 gas,respectively when solar trough concentrating de- vice was used.
利用槽式太阳能聚光反射装置,对两种太阳能真空管集热器和CHAPS平板集热器进行了以水为流动工质的性能试验,实测系统热效率及温度。
3.
The corresponding mathematical model was established for the evacuated tube absorption collector using the numerical method with thermal transfer theory.
提出了一种利用太阳能作为驱动热源的薄壁热管式真空管吸附集热器冷热联供系统,运用数值传热学的方法对真空管吸附集热器建立了相应的数学模型,并进行了一系列的模拟计算,分析了在活性炭-甲醇工质对下,吸附剂导热系数、界面导热系数、密度、蒸发温度和冷凝温度等参数对该系统制冷性能的影响,为进一步完善与改进该系统的性能打下了基础。
3) vacuum pipe
真空管
1.
This paper points out main weakness of solar energy water-heater made up of glass vacuum pipe from heat-conduction and structure, introduces the principles and advantages of the efficient heat-conducting element-heat pipe, and makes some designs and researches on the solar energy water-heater made up of heat pipe.
从传热和结构两方面指出了全玻璃真空管太阳能热水器的主要缺点,介绍了高效传热元件——热管的原理及其优越性,并对热管式真空管太阳能热水器进行了设计研究。
2.
A special vacuum pipe has been designed and with which the deadpath error was reduced effectively.
本文研究中设计了一种真空管 ,有效地克服了空程误差的影响 ,在通常的环境条件下 ,对于大型构件的尺寸微小变化的测量 ,获得了高于 3× 10 -8的相对精度。
4) Vacuum pipe
真空管道
1.
Vacuum pipe waste collection system equipment,principle and application status at home and abroad were introduced,suggestion of popularizing and application in China was put forward.
介绍真空管道垃圾收集系统设备、原理以及在国内外的应用状况,提出国内推广使用的建议。
5) vacuum management
真空管理
6) vaccum pipe
真空溜管
补充资料：真空管
1.即电子管。在玻璃或金属的容器内装特制的电极﹐通过阴极放射的电子与其他电极相作用进行各种工作﹐最重要的作用是整流﹑检波﹑放大和振荡。简单的真空管有两个极﹐叫二极管。按电极数可分为三极管﹑四极管﹑五极管等。一般常用的都是高度真空的﹐故称。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条