同位素的造句大全
- 造句1：...氚，氢的一种放射性同位素。英 文：...tritium, a radioactive isotope of hydrogen.
- 造句2：渡边刚表示，这些同位素比例为珊瑚生长环境的海水温度及盐度情况提供了线索。英 文：Those ratios provide clues about the temperature and salinity of the water in which the corals were immersed, Watanabe says.
- 造句3：李.索普和她的同事测量两种锶同位素的等级，一种从土壤中发现的元素。英 文：Lee-Thorp and her colleagues measured the levels of two isotopes of strontium, an element found in soil.
- 造句4：在18件样本上检测了氧和锶的同位素。 这两种元素在牙齿成型时，会固定在牙釉质上。英 文：Oxygen and strontium isotopes, which are fixed in dental enamel at the time of tooth formation, were tested in 18 subjects.
- 造句5：在氢同位素原子核中的某些熔合过程中，会释放出高能中子。英 文：In certain fusion processes, among nuclei of the hydrogen isotopes, neutrons of high energy are liberated.
- 造句6：气体采样中的氪和氙同位素比值产生了一个令人吃惊的结果：这些比值跟在形成太阳系的原始云团中所发现的比值不一致。英 文：The krypton and xenon isotope ratios in the gas samples provided a surprising result: They did not match the ratios found in the primordial cloud that spawned the solar system.
- 造句7：气体采样中的氪和氙同位素比值产生了一个令人吃惊的结果：这些比值跟在形成太阳系的原始云团中所发现的比值不一致。英 文：The krypton and xenon isotope ratios in the gas samples provided a surprising result: They did not match the ratios found in the primordial cloud that spawned the solar system.
- 造句8：他说，同位素比例变化所发生的时间范围恰到好处，这与在现代珊瑚中的发现保持了一致。英 文：The variations in isotopic ratios take place on the right time scale, and they mirror those seen in modern corals, he notes.
- 造句9：虽然初始的研究是为了确定其食物随季节的变化，同位素测试让他们发现了明显的性别差异。英 文：While initial research was aimed at looking at seasonal variations in diet, the isotopic tests pointed them instead to apparent gender variations.
- 造句10：从地球深处所喷出的岩浆与仅低于地壳表面所形成的岩浆有着了不同的同位素和化学成分。英 文：Magma rising from deep within the Earth has a different isotopic and chemical composition than magma that forms just below Earth's crust.
- 造句11：“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。”英 文："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.
- 造句12：锶同位素地层学在海相地层的对比和定年中具有十分重要的作用。英 文：The strontium isotope stratigraphy (SIS) is predominantly used for correlation and dating of marine sediments.
【同位素】的拼音及解释
解释
具有相同的质子数和不同的中子数的同一元素的原子互称为同位素。如碳元素有１２６c、１3６c、１４６c等同位素。元素符号的左上角标明质量数，左下角标明质子数。大多数元素都有同位素。
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