liquid helium four是什么意思

网络释义

用法例句

Theoretical research on shock compression properties of liquid helium at high temperature and density;

高温高密度液氦冲击压缩特性理论研究

Influence factors on separate two-stage pulse tube cooler working at liquid helium temperature;

液氦温区分离型脉管制冷机性能影响因素

Comparison of calculation methods of limit of superheat temperature of liquid helium;

液氦极限过热度计算方法比较

Thermodynamic Property of Helium-3 and Pulse Tube Refrigeration with Helium-3 and Helium-4 Mixtures;

氦-3热力学性质和氦-3/氦-4混合工质脉管制冷性质研究

Taking helium purification as an example,filtration and regeneration methods of metal mesh were put forward based on the technologies at home and aboard,and several filtration models were compared.

并以液氦纯化为例,在总结国内外技术的基础上提出了金属丝网过滤及再生方案,并比较了现有的过滤模型,指出应用于液氦纯化时需要改进随机函数并考虑沉积的不稳定性的影响。

Taking helium purification in aerospace as an example,the filtration and regeneration methods of metal wiremesh filter were put forward.

以太空条件下的液氦纯化为例,详细介绍了采用金属丝网过滤技术的液氦纯化系统,提出了过滤及再生方案,探讨了各过滤参数对过滤效率的影响,为进一步的试验论证提供参考。

OPTIMAL THERMAL DESIGN OF HELIUM DEWAR WITH LIQUID NITROGEN AND BOIL-OFF HELIUM COOLED SHIELDS

具有液氮和蒸发氦气冷却屏的液氦容器的最佳热设计—能量优化法

After liquid-helium test we find that helium permeability is an important factor for FRP liquid-helium dewar.

液氦试验发现:氦气渗透是影响玻璃钢液氦杜瓦性能的重要因素,应予以重视。

Development Of Metal Liquid Helium Open Dewar For Superconducting Magnets

超导磁体用金属液氦广口杜瓦的研制

Experimental Study of the Two Stage Pulse Tube Crycooler which Maintenance Below Liquid Helium Temperature;

液氦温区两级脉冲管制冷机实验研究

Study of a Separated Two-stage Pulse Tube Cooler Working Below Liquefied Helium Temperature;

液氦温区二级分离型脉管制冷机研究

Design and test of liquid helium system of space simulator

空间环境试验舱液氦系统设计与测试

Liquid helium is most frequently provided to customers in a liquid container.

液氦主要是存储在液体容器中提供给用户。

STUDIES OF EOS FOR DETONATION PRODUCTS: LIQUID NITROGEN,LIQUID HELIUM AND WATER

炸药爆轰产物液氮、液氦和水状态方程研究

Superconducting Microwave Surface Resistance of Nb2-1 Material at Liquid Helium Temperature

液氦温度下国产铌材超导微波表面电阻

Heat Transfer on Superconductor Wires with Porous Coatings in Superfluid Helium;

超导线及其多孔涂层在超流液氦内的传热性能

Research on Vacuum Multilayer Insulation of LHe Transfer Pipe for NBI System;

中性束注入系统液氦输送管真空多层绝热研究

Liquid helium ISO tanks may be removed from the trailer chassis for overseas shipments.

对于海外运输，液氦ISO罐可以从拖车底座上移动下来。

Phase equilibrium diagram of the liquid helium isotopes mixtures at extremely low temperatures

低温下氦-3/氦-4液态混合物相平衡关系

holds liquid air or helium for scientific experiments.

放液体空气或氦气的用于科学试验。

However, materials must be suitable for use at the extremely low temperatures of liquid helium.

材料必须适用于液态氦的极低的温度。

For liquid hydrogen system, Helium purge is required after or before nitrogen purge.

对于液氢系统用氮气吹扫之后，还要用氦气吹扫。

OPTIMUM INLET TEMPERATURES FOR EXPANSION ENGINES IN COLLINS HELIUM LIQUIFIERS

柯林斯氦液化器膨胀机的最佳进气温度

Experimental study on the helium liquefaction system with a 1.5W/4.2K Gifford-McMahon cryocooler

1.5W/4.2K G-M制冷机开式氦气液化系统实验研究