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 present invention provides a high vacuum oil with high-temp. resistance and high vacuum degree for high vacuum equipment and its preparation method.
本发明涉及高真空油，为解决具有高真空设备所需要的耐高温、高真空度的真空油。
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。
The excellent physical and chemical characteristics of diamond will assure that DFEDs have a long lifetime, and reduce the demand for high vacuum which is necessary for FED.
同时，由于金刚石具有良好的物理化学特性，发射器的工作寿命可以延长，同时对工作所需的真空度要求下降。
In this paper, a probe of vacuum microbalance to monitor and measure for high accuracy of film thickness is introduced, thermostatic probe of the semiconductor refrigeration device.
本文研制了一种用于高精度膜厚监测的真空微量天平探头：半导体致冷器件恒温探头。
The Model 1600a precision vacuum regulator features control sensitivity of 1 water column and a balanced supply valve for high precision.
示范1600a精密真空调节器控制1敏感性水柱和高精度供求平衡的阀门。
Aim at the higher level of dynamic insulation design, a whole optimized design method for high voltage vacuum interrupters is proposed.
本文以动态绝缘为设计目标，提出高电压真空灭弧室的全程优化设计方法。
It is provided that reference better for design of the high power electronic vacuum microwave amplifier future.
为今后设计高功率电真空微波放大器提供了很好的参考。
A high vacuum composite technique for the production of salt under vacuum was designed, its unit flow, working principle, function of cooling tower and vacuum pump were introduced.
设计了一种用于真空制盐的新型高真空组合技术，介绍了该技术的装置流程、工作原理及凉水塔、真空泵等设备的功能。
The vacuum stereotypia USES enlarges the vortex cooling system specially, is advantageous for cooling to finalize, meets the needs which squeezes out high speed.
真空定型采用特殊加大涡流冷却系统，便于冷却定型，以满足高速挤出的需要。
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。
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。
Dilute (lean), dense and two phase vacuum conveying systems High and low pressure conveying systems Conveyor systems for bulk solids, powders and other granular materials.
稀释(倾斜的)，密集的和两相真空运输系统高压和低压运输系统该设备用于输送散装固体，粉末和其他的粒状材料。
A vacuum degasifier is used where all gases, including oxygen, need to be removed from the water for high purity or corrosion protection purposes.
真空脱气机用于分离水中各种气体包括氧气至高纯度的应用中，或用于腐蚀保护目的。
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 designed instances show that the program has considerably high accuracy for design calculation of rotary drum vacuum filter processing compressible material.
设计实例表明该程序对于处理可压缩性物料的转鼓真空过滤机的设计计算具有较高的准确度。
The three main methods for high purity zinc preparation, including electrolytic method, vacuum distillation, zone refining, are summarized and compared in this paper.
本文对目前高纯锌的三种主要制备方法(电解法、真空蒸馏法、区域熔炼法)进行了综述和比较。
It is suitable for diffused vacuum arcs and of fairly high sensitivity and good anti-interference ability.
以较高的灵敏度和抗干扰能力测得了扩散型真空电弧的弧后电流值；
GUD electric high vacuum (pressure) ball valves USES electric device to drive the stem and ball for open and close, thus to put through or cut off the medium flow in vacuum (pressure) pipeline.
GUD型电动高真空(压力)球阀是以电动装置驱动阀杆与球芯来执行启闭动作，达到接通或切断真空(压力)系统管路中的介质流。
The application of the residual gases analysis in high vacuum system is very important for improving the performances, the quality and the working life of various vacuum electronic devices.
高真空系统残气分析对提高电真空器件的性能、质量和寿命具有重要作用。四极质谱计与微机联用是必然的趋势。
Via vacuum induction furnace and metallographical analysis, the effects of RE on the grain size of the austenite and distance of the pearlite laminae of high-carbon steel for heavy rail were studied.
通过真空感应炉模拟实验，结合金相分析，研究稀土对于高碳重轨钢奥氏体晶粒尺寸和珠光体片层间距等的影响作用。
Meanwhile the refining process was improved, using crystallization from petroleum-benzene instead of high vacuum distillation. The process was simplified for the benefit of industry production.
同时改进了精制工艺，用石油醚-苯进行结晶代替高真空蒸馏，简化了工艺，有利于工业化生产。
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。
The paper expounds the arrangement, technological process, characteristic of vacuum system for high pressure impregnation as well as the affection on impregnation qUality.
综述了二种高压浸渍真空系统的配置、工艺过程、特点及其对浸渍效果的影响。
The concrete delivery system for the dam is composed of mixer feeding conveyer, system connecting conveyer, 3 high-speed belt conveyer lines, 3 vacuum-chutes and 2 sets of tower crane placers.
龙滩大坝混凝土运输供料线系统由拌和楼出料皮带机和系统连接皮带机、3条高速皮带机供料线、3条负压溜槽和2台塔式布料机组成。
VTLEBF01 electric high vacuum (pressure) ball valve USES electric device to drive the stem and ball for open and close, thus to put through or cut off the medium flow in vacuum (pressure) pipeline.
VTLEBF01型电动高真空(压力)球阀是以电动装置驱动阀杆与球芯来执行启闭动作，达到接通或切断真空(压力)系统管路中的介质流。
Analyze features of corrosion of pipeline for high acidic crude oil of atmospheric and vacuum distillation unit, probe major principle for selection of piping material.
分析加工高酸值原油常减压蒸馏装置管道腐蚀的特点，探讨其主要管道的选材原则。
Meanwhile experiments prove that aqueous gel-casting is a novel technique of low cost fabrication aproch for high voltage vacuum interrupter housing and it will have wide application in many field.
证实了水基料浆注模凝胶法制备高压真空开关管壳是一种新的低成本制备技术，值得推广应用。
The LNG tanker is very important tool for LNG transportation on land. It is the first time in China for LNG tanker to use the high vacuum multi-layer thermal insulation.
液化天然气槽车是LNG陆地输送的重要工具，而将高真空多层绝热方式应用于LNG槽车在国内尚属首次。
The LNG tanker is very important tool for LNG transportation on land. It is the first time in China for LNG tanker to use the high vacuum multi-layer thermal insulation.
液化天然气槽车是LNG陆地输送的重要工具，而将高真空多层绝热方式应用于LNG槽车在国内尚属首次。
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