用激光光压偏转原子束进行了锂同位素分离实验。
Separation of Li isotopes by laser deflection of atomic beams has been carried out.
用热表面离子源测定了锂同位素丰度，在样品全耗尽过程中累计离子流强度。
The isotopic ratio of lithium was determined by cumulating intensity of ion current during evaporation of all samples on evaporation filament.
自然界锂同位素分馏强烈，这使得它在很多方面都得到了应用，如地球化学、天体化学和核工业等。
The relative large lithium isotopic fractionation in natural samples has useful application in the fields of geochemistry cosmochemistry and nuclear chemistry.
自然界锂同位素分馏强烈，这使得它在很多方面都得到了应用，如地球化学、天体化学和核工业等。
The relative large lithium isotopic fractionation in natural samples has useful application in the fields of geochemistry, cosmo-chemistry and nuclear chemistry.
当我们算出了在各个恒星中锂原子的总数，同位素锂- 7的总量仅是在那里应有量的三分之一。
When we count up the lithium atoms held in stars, there is only one-third as much of the lithium-7 isotope as there should be.
效果最为强烈的便是锂元素的形成，这种元素有两种同位素。
The most dramatic effect would have been on the formation of lithium, an element that has two isotopes.
该成果对质谱中的热电离理论进行了较深入地讨论，建立了高精度质谱测定锂铟铈同位素的方法。
The theory of thermal ionization mass spectrometry has been deeply discussed and the procedures for high-precision measurement of isotopes of lithium, indium and cerium have been established.
所以，如果恒星吞噬过行星，或大量的小行星，就会有锂—6同位素存在于恒星的光谱中。
So if you engulf planet or large number of asteroids, you will have this Lithium-6 isotope in the spectrum of the star.
假如如此，尘烬里就会包含诸多种类的比锂重的元素的同位素。
If so, the grains would contain a wide variety of isotopes from elements heavier than lithium.
假如如此，尘烬里就会包含诸多种类的比锂重的元素的同位素。
If so, the grains would contain a wide variety of isotopes from elements heavier than lithium.
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