氦气

na.helium

网络释义：Helium; Helium Gas; Nitrogen

网络释义

na.1.helium (He)

1.Helium 氢气 Hydrogen 氦气 Helium Gas 己醛 Hexaldehyde ...

3.Nitrogen Hydrogen( 氢) Nitrogen( 氦气) Nitrogen( 氮气) ...

4.Helium Balloon 氮气（ Nitrogen） 氦气（ Helium Balloon） 医疗氧气（ Medical Oxygen） ...

5.He Gas ... 相关买家: 玻璃瓶; Glass jar; 相关买家: 氦气; He Gas; 相关买家: 三元乙丙橡胶; Epdm Rubber; ...

6.gas helium1）前天特地到住家附近花店购买的花瓣一包（大概RM5） 2) 要在当天取得买心型氦气（gas helium） 气球

7.Gaseous Helium六、氦气（Gaseous Helium）.. 七、乙炔（Acetylene） 纯乙炔是一无色具高度可燃性，带有乙醚气味的气体，但是商业级纯度 …

1.He sat down in his lawn chair. Attached to his lawn chair were 105 large helium balloons.他坐在草坪椅上，椅子系著一百零五颗灌满氦气的大气球。

2.When the helium content is less than 45%, the character of tri-mixed gas has no evident difference compared with that of argon.混合气体中氦气的体积百分比小于45%时，其电弧特性与氩弧差别不大。

3.Other probes might be sent skimming by Jupiter's atmosphere to collect helium, a valuable gas that Earth may run out of some day.另外，我们还希望派遣探测船掠过木星的大气层，收集里面珍贵的氦气，以备未来地球上的氦气用完时使用。

4.Betty's helium-filled aerostat, three metres across, is capable of carrying loads of a little over half a kilo.Betty充满氦气的气囊直径3米，能够负载0.5千克或稍多的重量。

5.Thousands of cubic metres of helium were pumped into the towering silver canopy of His balloon.数千立方米的氦气被灌入高达几米的银色气球中。

6.Robert Richardson, a Nobel Prize winner, warns helium supplies, commonly used in balloons, will run out in 25 years.诺贝尔奖得主罗伯特·理查森警告称，通常被用作灌注气球的氦气将在25年内耗尽。

7.The next heaviest element in the periodic table, the inert gas helium, is used for detecting cracks in pressure vessels and the like.在元素周期表中，接下来的更重些的元素是惰性气体氦气，它常被用作检测压力容器和其他类似东西的裂缝。

8.Using helium as a coolant has at least a couple of advantages.用氦气作冷却剂至少有一些好处。

9.Rosen and His DIY MRI: How it works: A patient stands in the scanner, wearing a vest connected to a computer, and inhales magnetized helium.Rosen和他DIY的MRI如何工作：一个患者站在扫描仪中，穿着一件与计算机相连的背心，然后吸入被磁化的氦气。

10.Active magnetic bearings are important parts of helium turbines in the high temperature gas-cooled reactor(HTGR) power conversion unit.电磁轴承是高温气冷堆动力转换系统氦气透平的重要组件之一，运行时出于设备保护需要对其进行冷却。