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1·Helium is the lightest rare gas.

氦是最轻的稀有气体。

2·Neon, a rare gas in the air, takes only fractional percentage point of the volume.

氖是空气中的稀有气体，只占空气体积的千分之几。

3·Since the middle of last century, physicists have all along conducted studies on the rare gas crystals.

从上世纪中叶以来，物理学家对稀有气体晶体进行了大量研究。

4·Their results show that interatomic repulsive of the rare gas can be expressed by the overlap integrals.

计算结果表明该重叠积分可以用来表示稀有气体原子间的排斥势。

5·At present the rare gases in the vented gas of the most ammonia plants are not properly utilized in China.

鉴于我国大多数合成氨厂弛放气中稀有气体未能得到综合利用，造成资源浪费的现状。

6·Atomic number 18, atomic weight 39. 948, is a rare gas. 1894 by the British chemist Rayleigh and Ramsay found.

原子序数18，原子量39。948，是一种稀有气体。1894年由英国化学家瑞利和拉姆赛发现。

7·A fast discharge rare gas halide excimer laser with symmetric geometry pumped by glued and hot pressed capacitor is introduced.

本文介绍了一台以热压胶合双层平板电容器泵浦的对称结构快放电稀有气体卤化物准分子激光器。

8·In this experiment, we discuss the effect of mixture fraction on light intensity by means of put in pure Xe and rare gas mixture.

在本实验中，我们利用纯氙气及惰性气体混合来探讨混合气体比例对于光强度的影响。

9·The technique of soft X-ray ion chamber includes the measurement of the ion current as a function of rare gas pressure in the ion chamber.

软X线稀有气体电离室作为软X线波段绝对探测器，是通过测量光电离子流得出光谱辐射强度。

10·The modern vacuum technology as a practical basic skill has been used more and more widely, because it can produce rare gas and clean environment.

近代真空技术作为一种实用的基础技术，由于它提供了稀薄的气体氛围和清洁的环境条件，获得了越来越广泛的应用。