氢的同位素 Isotopes of hydrogen ; The isotopes ; deuterium ; Hydrogen isotope
钙的同位素 isotopes of calcium
铊的同位素 isotopes of thallium
动力学的同位素效应 Kinetic Isotope Effects
地球上的同位素 terrestrial isotope
可过滤掉的同位素 filtratable isotope ; filterable isotope
火星大气的同位素比值 [天] isotopic ratio in Mars atmosphere
建立的同位素亲和标签 ICAT ; isotope- coded-affinity tag
铂的同位素 isotopes of platinum
氮的同位素 isotopes of nitrogen
对贝壳的同位素分析使得地质学家可以测量另一种冰川效应。
Isotopic analysis of shells allowed geologists to measure another glacial effect.
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.
水中几乎所有的氧都是氧16,但每一千个分子中就有几个含有较重的同位素18。
Almost all the oxygen in water is oxygen 16, but a few molecules out of every thousand incorporate the heavier isotope 18.
Isotopes have the same chemical identity but different nuclear properties.
同位素有相同的化学特性,但是原子属性不同。
A couple of other things about hydrogen: hydrogen also, like other elements, has isotopes and we already saw that in 1766, Cavendish isolated atomic hydrogen and enunciated some of its properties.
一些关于氢的东西:,氢气,就像其他元素一样,有同位素,人们在1766年就发现了这一点,卡文迪许分离出原子氢,并且阐述了它的一些性质。
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