helium cadmium laser
氦镉激光器
atomic spectrum of helium.
氦原子光谱
Helium is a gas used in balloons.
氦是一种用于气球得气体。
The antimatter equivalent of helium.
反氦与氦等价的反物质
Helium and argon are monatomic gases.
氦和氩都是单原子气体。
The trail was as cold as liquid helium.
轨迹已经冷的象液氦。
That's a helium truck in the background.
背景里的是一辆装氢气的卡车。
The helium atoms had to be very far apart.
氦原子之间必须要有很远的一段距离
Atoms of hydrogen are fused to make helium.
氢原子可熔合成氦。
And I got balloons with the helium in them.
我买了氦气球。
Helium is a monatomic chemically inert gas.
它是单原子惰性气体。
Till the helium leaks out of those balloons.
气球里的氦气就会漏完
atmospheric pressure glow dischdrge in helium
大气压氦气辉光放电
Most big balloons are now filled with helium.
现在许多大气球中充得是氦气。
Analytical method of helium in liquid hydrogen
火箭推进剂液氢中氦的分析方法
Never pour liquid helium out of the container.
禁止把液氦从容器中倾倒出来。
AD Experiment on Automatic Supply of Liquid Helium
液氦自动补加实验
And now simple atoms appear of hydrogen and helium.
现在普通原子 氢，氦出现了。
The atmospheric helium isotope ratio Is it changing.
大气氦同位素比率在变化吗？
APPLICATION OF HELIUM LEAK DETECTOR IN LIBR CHILLERS
氦质谱检漏仪在溴化锂吸收式制冷技术中的应用
One safety catch in his design is its helium coolant.
这次设计中采用得一个安全措施就是使用氦冷却剂。
Technically, the helium's rotational inertia decreases.
用专有名词来说明，就是氦的转动惯量降低了。
He plans to circumnavigate the world in a helium balloon.
他计画搭乘氦气球环绕世界一周。
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