国会对廉价出售的后果一无所知：全球氦气价格被人为压低，以至于几乎没有人愿意回收这种物质或明智地使用它。
The Congress is ignorant of the consequence of fire sale: global helium prices are so artificially deflated that few can be bothered recycling the substance or using it judiciously.
气球飞艇内部氦气的压力和外部气压相近，因而气体不会溢出。
The pressure of the helium inside a blimp is about the same as that of the air outside, so the gas does not rush out.
飞船头部的内置气囊中充满了氦气，而置于尾部的第三节内置气囊则充满了乙烷可燃气体。
The inner envelope filled with helium in the head section of the blimp and the third built-in airbag at the tail is filled with ethane combustible gas.
这个人是从哪儿得到氦气的呢？
用氦气作冷却剂至少有一些好处。
Using helium as a coolant has at least a couple of advantages.
当它衰变时，它以稳定的氦气形式存在。
气球中可能会充满氦气或者氢气。
他将气球绑在折椅上并注入氦气。
卵石大约有1毫米的球径，冷却剂就是氦气。
The pebble has about a one millimetre microsphere diameter. The coolant is in fact helium.
有一类白矮星的大气层几乎完全由纯氦气构成。
One class of white dwarfs has almost pure helium atmospheres.
巨大的充气氦气球。
下一代核电站或许通过气体——氦气——冷却。
THE NEXT GENERATION of nuclear plants may be cooled by gas-helium gas.
机器每隔约100秒发送1个反质子脉冲进入到冷的氦气中。
The machine sends pulses of antiprotons about every hundred seconds into cold helium gas.
充满氦气球体的表面是薄膜。柔软的光电板用来捕获太阳光线。
The helium-filled globes will be covered with thin-film, flexible photovoltaic panels to capture sun’s rays.
40升的容器在150的大气压下包含6立方米的氦气。
The 40 liter container under pressure of 150 atmospheres contains 6 cubic meters of helium.
即使它们被击中，也不会爆炸，因为使它们升空的氦气使它们在不可燃。
Even if they are hit, though, they do not explode because the helium gas that keeps them airborne is not flammable.
这样说来，我们猜测这可新发现的行星主要由氢气和氦气组成。
Having said that, we suspect that this new planet is made mostly of hydrogen and helium gas.
因此he2 +能在高压的氦气等离子体中，被观察到，而不是中性的。
And He2 plus is observed in helium plasmas at high pressure, He2 but not neutral He2.
但是氦气的很多应用——不管是在科技领域还是非科技领域——有益并且实用。
But there are many applications for helium — both scientific and non-scientific — that make it incredibly useful and practical.
这多云由超轻的材料做成，内部充满了氦气，由太阳能驱动，通过遥控来操作。
It will be made of ultra-light weight carbonic materials, filled with helium, powered by solar energy, and moved via remote control.
他还发明了高空吊运车，这是一种为飞机和大型的氦气球的空中救援系统。
He also invented the Skyhook, an air rescue system that involved an airplane and a large helium balloon.
在容器中充入热气、氦气或氢气等轻气体，就能造就一艘漂在空中的飞船。
Fill a lightweight material with hot air, helium or hydrogen, and you have a vessel that floats in the air.
鼓风机将氦气吹过反应堆，经过核裂变释放出大量能量的小球，加热了氦。
Blowers move helium gas through the reactor and over the pebbles, where nuclear fission releases large amounts of energy, heating up the helium.
只需要点英国人的小智慧，将一个绑在氦气球上的标准数码相机飘入天空，万事俱矣。
Just a little British ingenuity that saw a standard digital camera taped to a helium balloon and floated into the sky.
那天风很大，用氦气罐给球打完气后，必须一个个分开系好，起飞前再绑成一簇。
The wind was strong, so after filling them from helium tanks we had to tie them all over the field before bringing the cluster together for takeoff.
Hendrix几乎说对了：氦气是人类所知的第二轻气体，排名仅在氢气之后。
Hendrix is almost right: helium is the second lightest gas known to man, behind hydrogen.
巨型尺寸：据估计氦气球的大小将和温布利体育馆相当，以容纳所需的化学物质。
Vast scale: It is anticipated that the helium balloon would have to be roughly the size of Wembley Stadium to contain the amount of chemicals required
惰性氦气比氢气更安全。但是，因为氢气具有更强的升举能力，必须用氢气记录发射。
Inert helium, unlike hydrogen, is safer, but hydrogen has to be used for record launchings because of its greater lifting capacity.
惰性氦气比氢气更安全。但是，因为氢气具有更强的升举能力，必须用氢气记录发射。
Inert helium, unlike hydrogen, is safer, but hydrogen has to be used for record launchings because of its greater lifting capacity.
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