helium gas

基本解释

Helium gas was the thermometric fluid.
氦和氬都是單原子氣躰。
Even if they are hit, though, they do not explode because the helium gas that keeps them airborne is not flammable.
即使它們被擊中，也不會爆炸，因爲使它們陞空的氦氣使它們在不可燃。
The helium gas turbine methodologies adopted by them are mainly based on the developed heavy duty industrial and aviation gas turbine technology.
他們所使用的氦氣透平技術主要基於現在的重工業燃氣透平技術和航空發動機技術。

I would say with the aid of an energy level diagram explain the fact that helium is found as atomic gas and not molecular. How about this one?
我要說的是，在能級圖的幫助下,可以解釋氦氣是單原子氣躰,而不是分子氣躰這一事實,那麽這個呢？
麻省理工公開課 - 固態化學導論課程節選

Those that rise to the top of the ratings scale--like helium gas itself--receive the greatest monetary compensation.
FORBES
Dr Marcy suspects that his new discovery, which has about 45 times the mass of the Earth, is composed of a rocky core surrounded by a thick envelope of hydrogen and helium gas.
ECONOMIST: Extrasolar planets
Helium is an inert gas which kills when people use helium to deprive themselves of oxygen.
FORBES: Helium is More Dangerous Than Cannabis, Ecstasy and Mephedrone Put Together