The insulating foam prevents ice from forming on the tank when it is filled with 500,000 gallons of supercold liquid hydrogen.
当容器内充满50万加仑的超冷液态氢时，绝缘泡沫可以防止冰在容器上形成。
Using liquid hydrogen and oxygen in rockets will provide major advantages for landing astronauts on the moon.
以液氢和液氧为燃料的火箭将为宇航员登陆月球提供尤其重要的有利条件。
The idea for the chemical engine is similar to that used on the space shuttle, liquid oxygen and liquid hydrogen.
化学发动机跟航天飞机使用的发动机类似，都是用液氧和液氢作燃料。
At selected petrol stations in Germany and America, customers will be able to refill one of their two tanks with liquid hydrogen.
在德国和美国的一些指定的加油站，顾客也可以为他们汽车两个燃料槽中的一个加满液体氢。
The Common Extensible Cryogenic Engine being developed for NASA burns a mixture of liquid oxygen (-297 degrees Fahrenheit) and liquid hydrogen (-423 degrees).
这个正为NASA研发中的“通用可扩展超低温引擎”以液态氧(- 297华氏度)与液态氢(- 423华氏度)的混合物为燃料。
The fuels used are liquid hydrogen, methane, propane and kerosene.
使用的燃料为液氢、甲烷、丙烷和航空煤油。
Compare with liquid hydrogen, slush hydrogen has a lot of advantages.
与液氢相比，浆氢具有许多优点。
Space programs demand tremendous quantities of liquid hydrogen and oxygen as rocket fuel.
航天计划需要大量的液氢和液氧作为火箭的燃料。
Dewars and other containers made of glass are not recommended for liquid hydrogen service.
对于液氢建议不要使用杜瓦瓶和其它玻璃制成的容器。
Do not permit smoking or open flames in any area where liquid hydrogen is stored or handled.
在任何储存和操作液氢的区域，严禁吸烟或明火。
In the case of liquid hydrogen, the atmosphere should be monitored with a flammable gas detector.
对于液氢，应当用易燃气体监测器来监测空气。
If this is done, the oxygen in the air will condense in the liquid hydrogen, presenting a possible explosion hazard.
如果这样做，空气中的氧会浓缩在液氢里，造成可能的爆炸危险。
A mixture of liquid hydrogen and liquid oxygen produces an exhaust with a speed as high as five kilometers per second.
液态氢和液态氧的混合物产生的排气速率高达每秒5公里。
A thermodynamic analysis of the liquid hydrogen gas power cycle is conducted and the latter's superior power performance predicted.
本文对液氢-燃气动力循环进行了热力学分析，指出它的优越的动力性能。
Base on these, the health condition evaluation system of the liquid hydrogen supplying system of a rocket engine testing platform was set up.
在此基础上，建立了火箭发动机试验台液氢供应系统的健康评价体系。
The results indicate that the temperature dependence of ultrasonic attenuation in liquid hydrogen is mainly determined by volume viscosity effect.
实验结果表明，液氢的超声衰减的温度依赖特性主要取决于体积粘滞效应。
A new liquid hydrogen loading system is introduced. In order to prevent two-phase flow, an important improvement of the original loading system was made.
简要介绍了新型液氢加注系统，为防止两相流，对原系统做了重大改进。
The concept of health degree was defined, which is used as a quantitative index for evaluation of the health condition of liquid hydrogen supplying system.
提出了液氢供应系统健康状况的定量综合评价指标———健康度，将基于模糊集的数据融合方法用于健康度的计算。
The structure of two cryogenic vessels with high pressure for liquid hydrogen and with a overall cover of a precooling interlayer respectively is introduced.
着重介绍了低温高压液氢容器和全包式预冷夹套低温容器的结构。
Experiments show that this evaluation system can be applied to evaluate the health condition of the liquid hydrogen supplying system properly and quantitatively.
试验结果表明，该方法能够对试验台液氢供应系统的健康状况进行定量的、合理的评价。
They discovered a first order phase transition, a discontinuity, in liquid hydrogen between a molecular state with low conductivity and a highly conductive atomic state.
他们发现了一个不连续的一级相变，这个相变是在液态氢低电导率的分子态和高电导率的原子态之间。
To fully utilize the low temperature exergy of liquid hydrogen, installed additionally in a hydrogen energy based gas turbine cycle is an air precooler and hydrogen turbine.
为了充分利用液氢的低温火用，在氢能燃气轮机循环中附加了一个空气预冷器和氢气透平。
For checking the thermal performance and establishing the design of experimental system of the vehicle liquid hydrogen Dewar, a series of experiments of evaporation rate have been done.
为检测低温容器的热性能及车载液氢杜瓦试验系统的设计要求，进行了一系列液氮蒸发率试验。
Cameras and an inspection team spotted the bat clinging to the side of Discovery?s 15-story external tank as it was being fueled with propellant ? super-cold liquid hydrogen and liquid oxygen.
摄像机和一个检查小组捕捉到了这只蝙蝠的图像，它紧紧地贴在发现号15层的外置燃料箱上，当时正在进行灌注燃料（超低温的液氢和液氧）的程序。
Liquid hydrogen should not be poured from one container to another, or transferred in an atmosphere of air.
不能把液氢从一个容器倒入另一个容器，或者在空气气氛里转移液氢。
Liquid hydrogen also has the potential of solidifying air which can block safety relief devices and other openings, which may lead to rupture of the container.
液氢有凝固空气的潜力，这会阻塞减压装置和其它的容器开口，可能导致容器破裂。
Liquid hydrogen also has the potential of solidifying air which can block safety relief devices and other openings, which may lead to rupture of the container.
液氢有凝固空气的潜力，这会阻塞减压装置和其它的容器开口，可能导致容器破裂。
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