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glass vacuum
相关语句
  真空玻璃
     Technical Improvement of ~(14)C Glass Vacuum System
     ~(14)C真空玻璃系统的技术改造
短句来源
     This indicates that as long as the pressure in vacuum cavity keeps below 0.313 pa , heat insulation effect can be achieved. (6) By the Simulations for the actual work environment of glass vacuum, the conclusion that exterior wind velocity can influence heat transmission coefficient obviously was gained.
     (6) 对真空玻璃实际工作环境进行了模拟,得出了真空玻璃外部风速对传热系数的影响很为明显的结论,这对于温室覆盖材料测试标准中环境参数的制定提供了依据。
短句来源
     Through experimentation, we compare the heat performance of HVGHP , the flat plate solar water of honeycomb and heat pipe (abbreviated as), and the solar water heater of glass vacuum tube (abbreviated as HGVT). The heat performance of a solar water heater includes instantaneous efficiency, average heat efficiency and heat loss coefficient.
     为了探讨真空玻璃盖板热管平板式太阳能热水器的性能,本文通过实验测量了各种天气状况下热水器的运行状况,得出了瞬时效率、日平均效率和热损系数等热性能数据,并与蜂窝热管平板式太阳能热水器和全玻璃真空管式太阳能热水器的热性能进行了比较。
短句来源
     In this paper some important technical aspects of ~(14)C glass vacuum system are pointed out and discussed in detail.
     本文提出了~(14)C真空玻璃系统的一些技术关键。
短句来源
  “glass vacuum”译为未确定词的双语例句
     STUDY ON ANTIREFLECTION COATING OF GLASS VACUUM SOLAR ENERGY COLLECTOR TUBES
     太阳能集热系统减反射涂层的研究
短句来源
     Ageing tests show that the glass vacuum collector tubes are able to operate at 200℃ in long term.
     老化试验表明,玻璃真空集热管可以长期工作在200℃。
短句来源
     Analysis and Settling the Rupture between Glass and Metal for Glass Vacuum Interrupter Using Orthogonal Experi ment
     运用正交试验法分析、解决玻璃真空灭弧室中封断裂和中封炸裂
短句来源
     Economic Evaluation of the Whole Glass Vacuum Tube Solar Water Heater in Zhengzhou Area
     郑州地区全玻璃真空管太阳能热水器的综合评价
短句来源
     Study on the Fundamentals and Technology of Electroless Nickel Plating on Glass Vacuum Flask
     玻璃保温瓶胆化学镀镍机理及工艺研究
短句来源
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  相似匹配句对
     Glass Batch Preparing Line for Vacuum Flasks
     保温瓶玻璃配合料生产线
短句来源
     Technical Improvement of ~(14)C Glass Vacuum System
     ~(14)C真空玻璃系统的技术改造
短句来源
     ART OF GLASS
     玻璃的艺术
短句来源
     VACUUM BREAKDOWN
     真空击穿(一)
短句来源
     the vacuum operates;
     真空运转;
短句来源
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  glass vacuum
Experimental results are presented for the electron density, bias voltage, and dark space size surrounding a 18-cm-diameter cathode situated in the centre of a 30-cm-diameter, 30-cm-long glass vacuum chamber, containing low-pressure argon.
      
These experiments were conducted on a 2 kJ plasma device which is equipped with squirrel cage electrode configuration enclosed in a glass vacuum chamber filled with hydrogen at a pressure of 5 mbar.
      
Two semi-continuous all-glass vacuum deodorizers have been constructed and tested.
      
Microsomal uptake irreversible protein binding of labelled trichloroethylene was measured following incubation with rat liver microsomes in an all-glass vacuum system.
      
The virtually maintenance-free, chemical-resistant PTFE/glass vacuum sealing system lasts up to five years.
      
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Excellent double-layer black chrome selective coatings for all-glass vacuum tubular collectors are obtained with solar absorptivity (αs) of about 89-91% and infrared emi-ssivity(εn) of about 5-7% by evaporation- There is no evidence of deterioration of the coating after baking for one hour at 300-400℃.Optical constants of each black chrome selective coating was obtained by laser interference method at λ=6328A.The calculated reflectance of the whole coating using the above results is near to that measured...

Excellent double-layer black chrome selective coatings for all-glass vacuum tubular collectors are obtained with solar absorptivity (αs) of about 89-91% and infrared emi-ssivity(εn) of about 5-7% by evaporation- There is no evidence of deterioration of the coating after baking for one hour at 300-400℃.Optical constants of each black chrome selective coating was obtained by laser interference method at λ=6328A.The calculated reflectance of the whole coating using the above results is near to that measured with the UV-VIS-NIR spectrometer.It shows the front layer black chrome coating has the effect of antireflection.The coating feature and structure are being studied using transmission electron microscopy and electron diffraction and so on.The said technique was applied to evacuated solar tubes which behave better than those with single layer coatings.

本文介绍了用于全玻璃真空管太阳能集热器的真空沉积双层黑铬选择性涂层的工艺和性能。其α_s为89%—91%,ε_n为5%—7%(80℃)。该涂层经300℃—400℃、1小时的烘烤后,α_s和ε_n基本没有变化。 应用激光干涉法,在λ=6328(?)波长下对每层黑铬涂层的光学常数进行了初步测定,并用测定的数据计算了该波长下双层涂层的反射率,其结果与分光光度计测定的反射率基本相符。结果表明,第二层黑铬具有减反射作用,因而使真空沉积的双层黑铬选择性涂层具有较高的吸收率,并仍保持其低的红外发射率。 还应用了电子显微镜、电子衍射与x光衍射等对黑铬选择性涂层进行了表面形貌观察与物相分析。 对所试制的真空沉积双层黑铬真空集热样管的试验表明,涂双层黑铬的真空集热管的集热性能优于单层黑铬的集热管。

All-glass vacuum collector tubes with graded A1-N/A1 absorbing surfaces were heated using electrically thermal elements at 100℃.200℃ and 300℃ respectively.The pressures and heat losses of aged vacuum collector tubes,and thermal emittances of the absorbing surfaces were measured.Aged collector tubes contain nitrogen,argon and helium gases,etc.analysed by Quartra pole mass filter.The profile of aged absorbing surface was obtained by Auger spectroscopy.Ageing tests show that the glass vacuum collector...

All-glass vacuum collector tubes with graded A1-N/A1 absorbing surfaces were heated using electrically thermal elements at 100℃.200℃ and 300℃ respectively.The pressures and heat losses of aged vacuum collector tubes,and thermal emittances of the absorbing surfaces were measured.Aged collector tubes contain nitrogen,argon and helium gases,etc.analysed by Quartra pole mass filter.The profile of aged absorbing surface was obtained by Auger spectroscopy.Ageing tests show that the glass vacuum collector tubes are able to operate at 200℃ in long term.

采用电热元件对具有多层Al-N/Al吸收表面的玻璃真空集热管长时间分别在100℃、200℃与300℃下加热,测定其管内压强、热损与吸收表面发射率变化。用四极滤质器对加热后的集热管内残余气体作了分析,表明有一定量的He气。用俄歇电子仪分析了吸收表面沿深度的化学组成。老化试验表明,玻璃真空集热管可以长期工作在200℃。

In this paper some important technical aspects of ~(14)C glass vacuum system are pointed out and discussed in detail. Based on these aspects we have reconstructed the ~(14)C glass vacuum system in our ~(14)C laboratory. The results show that the reconstructed system shows good performance, has simple structure, is easy to operate and can be used widely.

本文提出了~(14)C真空玻璃系统的一些技术关键。并详细论述了应用这些技术关键对本实验室原有系统的改进方法。经实验证明改进后的系统性能良好,结构简单,操作使用方便,是一种实用性很强的真空玻璃系统。本改进方法对于其他炎似真空玻璃系统也具有一定的参考价值。

 
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