Some balloons are filled with hydrogen, some with helium.
有的气球是用氢气充填的，有的则用氦气。
He tied them to a lawn chair and filled them with helium.
他将气球绑在折椅上并注入氦气。
Clearly, helium has the least polarizable electron cloud.
显然，氦的可极化电子云最小。
Uranus' atmosphere consists largely of hydrogen and helium.
天王星的大气主要由氢和氦组成。
A pillow stuffed with feathers balloons filled with helium.
用羽毛装满的枕头装满氦气的气球
Then we advised him to receive argon helium freezing therapy.
会诊以后, 我们就劝他进行氩氦冷冻治疗。
One class of white dwarfs has almost pure helium atmospheres.
有一类白矮星得大气层几乎完全由纯氦气构成。
Always move liquid helium containers by pushing, not pulling.
总是通过推，而不是拉来移动液氦容器。
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。
Verification of an Analog Modeling Method for Helium Compressors
应用于氦气压气机的相似模化方法验证
A helium atom weighs less than the four original hydrogen atoms.
一个氦原子的重量不到四个原始氢原子。
The release of hydrogen and helium from coal universally exists.
煤中普遍存在着氢气氦气的释放。
Modern blimp s use helium instead of hydrogen to maintain buoyancy.
现代软式小飞艇, 利用氦取代氢来保持浮力。
If possible, move the liquid helium container to a remote location.
如果可能的话，把液氦容器搬到一个偏僻的位置。
So, it has an atmosphere of lightweight elements hydrogen and helium.
因此, 它的大气层由重量很轻的元素氢和氦构成。
The first one was that when helium atoms touch each other, they repel.
第一条是 当两个氦原子相碰时 它们会相斥
Nuclear fusion has created helium, carbon and other chemical elements.
核聚变已产生了氦气，二氧化碳和其他化学元素。
After hydrogen, the atom with the simplest structure is that of helium.
在氢元素之后，氦的原子结构最简单。
The only way it worked is when the helium atoms were very, very far apart.
只有氦原子互相之间 距离非常远的时候 这理论才管用
You tie a helium balloon to your head and hope it acts like a mana shield.
你将一个氦气球系在头上, 指望它能起魔法护罩的作用。
We have three days, at best, before the helium leaks out of those balloons.
我们最多有三天时间不然气球里的氦气就漏光了
Performs Helium leak test of gas controlling system with complex manifolds.
对气体控制系统用综合的测试方法来进行氦气泄漏测试。
A nebula an interstellar cloud of dust, hydrogen gas, helium gas and plasma.
星云是由尘埃，氢气，氦气和等离子体构成得星际云团。
Liquid helium is most frequently provided to customers in a liquid container.
液氦主要是存储在液体容器中提供给用户。
They also discovered that the helium in the balloons would last for six hours.
他们也发现汽球中的氦气有效时限可达六小时。
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