通过初步调试证明，液氮系统能够很好地解决大型空间环境模拟设备液氮系统启动困难的问题。
It has been proved by test that the problem of large space simulator liquid nitrogen system starting has been solved successfully in simulator liquid nitrogen system.
大型空间环境模拟器的液氮系统庞大复杂，为满足确定控制方案、建立故障诊断模型、技术改造等的需要，建立液氮系统的数学模型是十分必要的。
A mathematical model of liquid nitrogen system of a space environmental simulator is introduced and a quasi-stationary control method is developed in this paper.
在这些应用中，准确预测液氮的流动沸腾换热特性对于系统设计和安全运行十分重要。
In these applications, it is very crucial to predict the flow boiling heat transfer coefficient of liquid nitrogen for the system design and safe operation.
本文介绍一种用弛豫方法测量液氮温度以上小样品比热的装置、微型量热器和测量系统。
The paper describes an apparatus, bolometer and system for measuring the specific heat of small samples above liquid nitrogen temperature using relaxation calorimetry.
本文通过改进样品室、增加液氮冷却系统，对传统热激电流测量装置进行了完善，使其能对样品进行更详细地分析。
In the paper, a traditional setting of measuring TSC is improved by ameliorating sample room and assembling liquid nitrogen cooled system, which can analyze exactly sample in detail.
根据相似理论，首次建立了模拟大流水条件下土层液氮冻结的试验系统。
According to the theory of similitude, a Liquid Nitrogen Freezing(LNF)model testing system for soil under water flowing at a great rate is established for the first time.
摸清了该系统中在液氮温区呈现超导电性的材料组成范围。
The composition region showing superconductivity above liquid nitrogen temperature has been found.
在此基础上建立的试验系统测试结果表明，液氮模拟lng冷量回收汽车空调系统具有较好的冷量利用性能。
An experimental system simulating cold energy recovery of LNG with liquid nitrogen is established based on the anterior analysis.
在相似理论的指导下，通过对比分析氮气和天然气的物性，对液氮模拟液化天然气汽车冷能回收系统进行了相似模化分析。
Based on the theory of similarity, similar modeling analysis of the liquid nitrogen simulative cold energy recovery system of LNG is conducted.
本接头可用于液氮、液氧、液态天燃气等低温流体管道系统。
The connector can be used for pipeline systems of low-temperature fluid such as liquid nitrogen, loxygen, liquid natural gas and the like.
介绍了神马尼龙66盐公司空分装置一起由空压机油泵晃电而导致的系统停车，在紧急启动液氮汽化系统过程中由于液氮取出阀内漏所造成的冷箱壁冻裂事故。
The paper describes a sudden shutdown of the air separation plant operating in Nylon 66 Salt Corporation due to instantaneous power failure of the compressor oil pump.
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。
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。
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.
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