同位素化学 [核] isotope chemistry ; chemistry of isotopes
同位素地球化学 [地化] isotope geochemistry
同位素化学分离 chemical separation of isotopes
同位素化学交换 isotopic chemical exchange
同位素地球化学勘探 isotope geochemical prospecting
氧同位素地球化学 [地化] oxygen isotope geochemistry
碳同位素地球化学 carbon isotope geochemistry
锶同位素地球化学 strontium isotope geochemistry ; sr-isotopic geochemistry
一个特定元素的同位素具有相同的化学特征，但在物理性质上有一些细微差异。
The isotopes of a given element have the same chemical properties but slightly different physical properties.
“但是，多年来对地球化学的观察让我知道谨慎是明智的，”他说，“无论是这次对于氯同位素的研究还是早期对于水的研究都需要谨慎。”
"But years of observation of geochemistry have taught me that caution is wise," he says, "whether it be for the earlier claims on water or this latest work on chlorine isotopes."
氡容易离子化，这让人期望，该元素有最广泛的化学反应，但是，这个元素最稳定的同位素也极不稳定，这使氡的研究受到了严重的约束。
Although the easier ionization of radon leads one to expect the most extensive chemistry for that element, the high instability of even the most stable isotope has severely limited studies of it.
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