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1)  helium embrittlement
氦脆
1.
Based on the nonequilibrum statistical mechanics of fracture,the helium embrittlement of irradiated metals was studied.
在非平衡统计断裂力学的基础上研究了辐照条件下金属的氦脆断裂问题;明确了高温氦脆(HTHE)的微观机理,建立了晶界上氦泡形核和长大模型,推导出氦泡形核和长大速率公式。
2)  high temperature helium embitterment(HTHE)
高温氦脆
3)  helium embrittlement
氦脆化
4)  He
1.
The effect of He-Ne laser intravascular irradiation therapy on the hemorrheology and anti-oxidizing power in severe traumatic brain injury;
氦氖激光血管内照射对重型颅脑损伤患者血液流变学及抗氧化能力的影响
2.
Effects of He-Ne laser repeated irradiation on expression of gene-associated with apoptosis in scar fibroblasts in vitro;
氦氖激光重复照射对培养瘢痕成纤维细胞凋亡相关基因表达的影响
3.
The thermal desorption was used to investigate the He release from titanium tritide films with He and Ti atom ratio n(He)/n(Ti) from 0.
在低于1 300 K范围内,氚化钛膜共有4种氦的热释放峰,分别对应于贯穿至表面的氦泡、近表面的氦、体相中的氦泡和氦的小团簇。
5)  helium [英]['hi:liəm]  [美]['hilɪəm]
1.
Analytical method of helium in liquid hydrogen;
火箭推进剂液氢中氦的分析方法
2.
Implanting Helium into Nanocrystalline Hydrogen Storage Alloy (In Chinese);
纳米贮氢材料充氦技术研究
3.
Gas Chromatographic Analysis of Helium, Neon and Hydrogen in Natural Gas;
气相色谱法分析天然气中氦氖氢
6)  He bubbles
氦泡
1.
Below 1 300 K in helium desorption spectra there are four kinds of peaks that account for He bubbles punching up to the surface,the helium near the surface,He bubbles and He cluster.
在低于1 300 K范围内,氚化钛膜共有4种氦的热释放峰,分别对应于贯穿至表面的氦泡、近表面的氦、体相中的氦泡和氦的小团簇。
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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