基本解释:氦液化
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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。zQV汉语字典
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。zQV汉语字典
This paper introduces several typical purifiers used in helium refrigerators and helium liquefiers.主要介绍了氦制冷机和氦液化器中应用的几种典型的氦纯化器的工作原理、主要工作程序和优缺点;并介绍和讨论了几种氦纯化器的设计方案、吸附量的计算以及可用于氦纯化器的工程设计。zQV汉语字典
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zQV汉语字典
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zQV汉语字典
Experimental study on the helium liquefaction system with a 1.5W/4.2K Gifford-McMahon cryocooler1.5W/4.2K G-M制冷机开式氦气液化系统实验研究zQV汉语字典
Normally, helium is present in less than 1% by volume in natural gas. Helium is recovered, refined, and liquefied.正常情况下,氦在天然气中的体积比是1%。氦要经过回收、提纯和液化过程。zQV汉语字典
Normally, helium is present in less than1% by volume in natural gas.正常情况下,氦在天然气中的体积比是1%氦要经过回收、纯和液化过程。zQV汉语字典
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zQV汉语字典
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。zQV汉语字典
Effect of He-Ne irradiated blood following supplementation of nitrogen monoxidum and oxygenation on microcirculation of patients with coronary heart disease氦氖激光照射充氧充一氧化氮自血回输对冠心(bìng)患者血液流变学和微循环的影响zQV汉语字典
holds liquid air or helium for scientific experiments.放液体空气或氦气的用于科学试验。zQV汉语字典
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。zQV汉语字典
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zQV汉语字典
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zQV汉语字典
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zQV汉语字典
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zQV汉语字典
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。zQV汉语字典
STUDIES OF EOS FOR DETONATION PRODUCTS: LIQUID NITROGEN,LIQUID HELIUM AND WATER炸(yào)爆轰产物液氮、液氦和水状态方程研究zQV汉语字典
"Helium: Chemical element, chemical symbol He, atomic number 2."氦:化学元素,化学符号He,原子序数2。zQV汉语字典
The force between a pair of helium atoms is so weak that helium does not solidify at all.一对氦原子之间的作用力微弱得使氦根本不能固化。zQV汉语字典
