1) film with helium
含氦膜
2) helium film
氦膜
3) Helium content
氦含量
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.
采用直流磁控溅射方法,通过分别改变衬底温度及He分压来制备不同氦含量的钛膜。
2.
In the article,the relationship between the Helium content of the observational wells in Heilongjiang Province,Shandong Province and Yunnan Province with earthquakes is presented.
阐述了黑龙江省林甸观测井、山东省聊城聊古一井和云南省开远观测井观测到的氦含量变化与周围发生的中强地震的关系。
4) Helium and argon contents
氦、氩含量
5) 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。
6) 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。
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