氦是一种很轻的气体。
地球上氦的减少将对社会产生重大影响。
所以你是说，氦最初是在太阳上被发现的。
So you are saying that Helium was discovered on the sun first.
放气值也意味着天然气提取器认为没有捕获氦的需要。
Deflated values also mean that natural gas extractors see no reason to capture helium.
那么氦原子核的电荷量是多少呢？
显然，氦的可极化电子云最小。
太阳作为太阳系中的气体巨行星，氦含量丰富。
The Sun is rich in helium, as are the solar system’s gas giant planets.
太阳作为太阳系中的气体巨行星，氦含量丰富。
The Sun is rich in helium, as are the solar system's gas giant planets.
氦也是一种比空气轻，但它比较贵。
Helium is also lighter than air, but it costs a lot of money.
这家公司希望毖崖氦敞砷在河边。
但是氦- 3并不是月球能够提供的唯一的资源。
But helium-3 isn't the only resource the moon might have to offer.
仅有两个地方能找到氦，一个地方是地球的大气层里。
There are only two places to find Helium. The first is the Earth's atmosphere.
氦和氩都是单原子气体。
氦离子显微镜也用于表面和材料的图形化。
显然，当地球形成时，氦-3就被圈闭了。
The helium-3 apparently became trapped when the earth was formed.
自此之后，美国成为世界上最大的氦供应国。
The United States has provided the majority of the world’s supply ever since.
氦是最轻的稀有气体。
显然，当地球形成时，氦-3就被圈闭了。
The helium - 3 apparently became trapped when the earth was formed.
氦是在太阳上发现的。
显然，当地球形成时，氦- 3就被圈闭了。
这次设计中采用的一个安全措施就是使用氦冷却剂。
当宇宙诞生的时候，除了氢、氦和少量的锂元素之外，什么也没有。
When the universe was born, there was nothing but hydrogen, helium and a little lithium.
大多数商用氦是通过一种低温分离过程从天然气中回收的。
Most commercial helium is recovered from natural gas through a cryogenic separation process.
其它方法都无效的情况下，氩氦刀依然取得非常好的效果。
When other modalities become inefficacious , Argon-helium knife still can get very good results.
最后利用原子的能级，讨论了氦原子电离能最大的原因。
例中晚期肿瘤患者氩氦冷冻治疗总有效率达93.9%。
我们去了以后呢，就进行了会诊，建议他做氩氦刀冷冻治疗。
We took a consultation for him and suggested him to take therapy of argon-helium knife.
每天早上称体重前吃点蒴果，塔门富含氦元素（有助于减肥）。
Take a few capsules each morning before you weight yourself. They're filled with helium.
这些混合物发生反应后就形成氦元素，并同时生成更多的中子与大批量的能量。
These react to form helium, yet more neutrons and a whole lot more energy.
这些混合物发生反应后就形成氦元素，并同时生成更多的中子与大批量的能量。
These react to form helium, yet more neutrons and a whole lot more energy.
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