1.
That meant we had a simple way to test where our exotic carbon originated: measure the isotopic signatures of the gases within them.
因此，我们就能检验所找到的碳元素是哪里来的了：测量它们含有的惰性气体同位素组成。
2.
We knew that the isotopic compositions of noble gases observed in space (like those measured in meteorites and cosmic dust) were clearly distinct from those found on the earth.
我们知道太空中惰性气体的同位素组成（像在陨石与彗尘中测量到的情形），与地球上的截然不同。
3.
The Methods of Measuring Radioactive Xenon Isotopes Activity during CTBT Monitoring
CTBT放射性惰性气体氙同位素活度测量方法
4.
Theoretical Study of the Differential Cross Sections for the Collision of Inert Gases Atom and H_2 (D_2, T_2)
惰性气体原子与氢同位素分子碰撞微分散射截面研究
5.
Difference in filament and spectrum broadening induced by femtosecond pulses in argon gas with a temperature gradient at different positions
飞秒激光在不同位置温度梯度的惰性气体中成丝及光谱展宽的差异
6.
A radioactive, inert, gaseous isotope of radon, with a half - life of3.92seconds.
锕射气氡的一种放射性的，惰性的和气态的同位素，其半衰期为3。92秒
7.
Study of the inclusions and the isotopic compositions of volatile components in volcanic rocks in the Okinawa Trough;
冲绳海槽火山岩中岩浆包裹体及气体同位素组成研究
8.
a colorless element that is one of the six inert gasses; occurs in trace amounts in air.
无色元素，六种惰性气体之一，空气中含量较少。
9.
inert gas tungsten arc welding
钨板惰性气体保护焊
10.
tungsten inert gas welding
钨极惰性气体保护焊
11.
metal arc inert gas welding
金属惰性气体电弧焊
12.
metal inert gas arc welding (MIG)
惰性气体金属电弧焊
13.
operational test for inert gas system
惰性气体系统效用试验
14.
manual inert gas extinguishing system
手动惰性气体灭火系统
15.
inert gas smothering system
惰性气体窒息灭火系统
16.
Helium and neon are inert gases.
氦和氖为惰性气体。
17.
He experimented on inert gases.
他对惰性气体做试验。
18.
New Inert Gas from Rocks
地球岩石中的惰性气体