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1)  He-Ti film
氦钛膜
1.
Using direct current-magnetron sputtering,He-Ti films with different He contents were prepared with various substrate temperatures and the helium contents in sputter gas.
9%,TEM测得的平均晶粒尺寸由约35 nm减小到约4 nm;选择合适的He分压,能够制备出He含量较高的氦钛膜
2)  helium film
氦膜
3)  He-like Ti
类氦钛
4)  films of liquid helium
液氦薄膜
1.
WT5”BZ]:In this paper,the properties of the surface electron weakly coupled with ripplon on films of liquid helium are studied.
本文研究液氦薄膜表面电子与涟波子弱耦合的性质 ,采用线性组合算符和微扰法导出电子 -涟波子系统的基态能量。
2.
The properties of the surface electron weakly and strongly coupled with ripplon on films of liquid helium in a magnetic field were studied.
研究了磁场中液氦薄膜表面电子与涟波子强耦合和弱耦合的性质。
5)  film with helium
含氦膜
6)  helium film flow
氦膜流动
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。

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