1) helium cryogenic
氦低温系统
1.
Operating and energy saving analysis of screw compressors for helium cryogenic system
氦低温系统螺杆压缩机组运行分析及节能优化
2) superhelium cryogenic system
超流氦低温系统
3) helium cryostat
氦低温箱
4) Cryogenic system
低温系统
1.
Technology of Helium gas purification in BEPC-Ⅱ cryogenic system;
BEPC-Ⅱ低温系统的氦气净化技术
2.
Helium purification in large cryogenic system;
大型氦低温系统中的杂质净化
3.
Effect on pressure in the vessels of EAST cryogenic system due to fluctuation of heat loads;
EAST超导托卡马克热负荷波动对低温系统液氦槽的影响
5) low temperature system
低温系统
1.
The corrosion mechanism of the equipment and pipeline in FCC unit low temperature system is expounded together with the corrosion protection measures both at home and abroad.
论述了催化裂化低温系统的设备、管道腐蚀机理,以及国内外一贯采用的防腐蚀措施。
2.
In view of reduction of irreversibility,a new design principle of the low temperature system insulation is proposed according to the thermodynamic second law.
依据热力学第二定律 ,从减少不可逆损失的角度出发 ,提出了低温系统隔热层设计的新原则 ,即单位面积熵产率限制的设计原则 ,并与传统的设计原则进行了比较。
3.
The liquid level of liquid nitrogen in low temperature system of high temperature superconducting maglev vehicle must be detected at real-time to ensure that high temperature superconducting maglev vehicle keeps safe running When high temperature superconducting maglev vehicle is running.
在高温超导磁悬浮车运行过程中,必须时刻监测低温系统中的液氮液位以保证高温超导磁悬浮车的安全运行。
6) system hypothermia
系统低温
1.
The protective effect of system hypothermia on ischemia injury of spinal cord in dogs;
系统低温对犬脊髓缺血性损伤的保护作用
补充资料：氦3-氦4稀释制冷
分子式：
CAS号：
性质：3He-4He混合液在0.867K时出现界限分明的上下两相，上相3He含量高称浓相，下相4He含量高称稀相。稀相中4He的熵比3He的熵小得多，浓相中4He的熵又比稀相中3He的熵小得多。3He从浓相进入稀相或从稀相中抽走都会发生降温。用泵把3He-4He混合室与一个蒸发器和一个冷凝器连接起来就组成稀释制冷器。用抽气泵不断地把蒸发器中的3He抽走，蒸发过程中3He带走大量热量。从蒸发器中抽走的3He经冷凝器液化后再回到混合室。用此法可获得0.0035～0.0055K的超低温。
CAS号：
性质：3He-4He混合液在0.867K时出现界限分明的上下两相，上相3He含量高称浓相，下相4He含量高称稀相。稀相中4He的熵比3He的熵小得多，浓相中4He的熵又比稀相中3He的熵小得多。3He从浓相进入稀相或从稀相中抽走都会发生降温。用泵把3He-4He混合室与一个蒸发器和一个冷凝器连接起来就组成稀释制冷器。用抽气泵不断地把蒸发器中的3He抽走，蒸发过程中3He带走大量热量。从蒸发器中抽走的3He经冷凝器液化后再回到混合室。用此法可获得0.0035～0.0055K的超低温。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条