Researchers' clues to the Eemian climate come from measurements of the ratios of two slightly different types of oxygen, isotopes oxygen-16 and oxygen-18, preserved in the GRIP core.
研究人员对间冰期气候的线索来自保存在GRIP 冰芯中的两种略微不同类型的氧——即同位素氧-16和氧-18的比率。
Most hydrogen and oxygen atoms in water are stable, but traces of both elements are also present as heavier isotopes.
在水中大多数氢原子和氧原子是稳定的，但这两个元素也有微量以较重的同位素形式存在。
By measuring the proportion of heavier hydrogen and oxygen isotopes along a strand of hair, scientists can construct a geographic timeline.
通过测量一束头发上较重的氢和氧同位素的比例，科学家可以构建一个地理时间轴。
They looked at how the ratios of oxygen isotopes locked in the corals' carbonate skeletons varied month by month as the colonies grew.
他们研究了珊瑚碳酸盐骨骼中留存的氧同位素比例随珊瑚的生长逐月发生变化的情况。
That water signature is in the form of oxygen isotopes, atoms of oxygen with different Numbers of neutrons.
这个特征就是氧的同位素，它是由氧原子和不同数量的中子组成的。
Oxygen and strontium isotopes, which are fixed in dental enamel at the time of tooth formation, were tested in 18 subjects.
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。
But the new study shows that the ratio of oxygen and nitrogen isotopes found in the solar wind is different from the ratio here on earth, or on the moon or Mars.
不过这一最新的研究发现，太阳风当中的氧和氮同位素比例与地球、月球或火星上的比例不同。
A study this March of clamshells taken from Iceland found that the levels of oxygen isotopes in the shell layers varied depending on the temperature of the water in which they formed.
今年3月，通过对冰岛一带贝壳的研究发现，其硬壳氧同位素的水平会随水温的变化而产生差异。
During glacial periods, the forams' shells contain more of the heavier of two oxygen isotopes, as the lighter one is preferentially accumulated in snow and ice rather than the ocean.
冰河时期海洋中多空虫贝壳化石中积聚的较重的氧同位素比较多，而另一种轻的氧同位素则更多地积聚在古代冰层和积雪中。
The technique works because when water evaporates at sea, a combination of hydrogen and oxygen isotopes rise to form a cloud, which then releases rain when it moves inland.
这项技术很有效，因为当水从海里蒸发，氢和氧的同位素组合升空形成云，接着飘至陆地上空降雨。
Researchers said the zircon's high level of heavy oxygen isotopes suggest it was cooled by surface water after it formed.
研究人员说锆石的高标准重氧同位素暗示了它形成之后靠地表水来冷却。
The paper presents the geochemical characteristics of trace elements, REE and oxygen isotopes of kaolin rocks.
本文主要研究了煤系高岭岩的微量、稀土、氧同位素地球化学特征。
The carbon and oxygen stable isotopes have been considered to be the most effectual proxy indexes in reconstructing the paleoclimate of Quaternary.
利用洞穴次生化学沉积物进行古环境重建是第四纪全球变化研究的一个热点，而碳氧稳定同位素是最重要的气候替代性指标。
Scattered distribution of lead, hydrogen, oxygen and sulphur isotopes in the gold deposits is possibly indicative of diverse sources of ore_forming materials.
金矿床的铅、氢、氧和硫同位素组成高度分散，表明成矿物质具有多来源性。
But the new study shows that the ratio of oxygen and nitrogen isotopes found in the solar wind is different from the ratio here on earth, or on the moon or Mars.
但最新的研究显示太阳风中氧氮同位素比例与地球、月球或是火星上的比例并不相同。
They are among the few minerals that show mass independent fractionation of oxygen isotopes.
硫酸盐不仅是常见矿物，还是自然界少数几个具有氧同位素非质量分馏效应的矿物之一。
Similar patterns exist throughout the U. S. By measuring the proportion of heavier hydrogen and oxygen isotopes along a strand of hair, scientists can construct a geographic timeline.
相似的模式在全美都存在。通过测量一缕头发中较重的氢氧同位素的比例，科学家们可以构建一个地理学的时间轴。
The geochemical behaviors of oxygen and hydrogen isotopes in water-rock interaction are discussed.
论述水-岩作用过程氧氢同位素地球化学行为特征。
The Silicon and Oxygen isotopes also demonstrate the characteristics of hydrothermal origin.
硅质岩中硅、氧同位素也显示其热水成因之特点。
In this study, 1003 core samples were collected, found 557 fossils of ostracods, identified the 15 fossil assemblage, the measured carbon and oxygen isotopes 252, and 189 trace element ratio data.
本研究共采集岩心样品1003个，发现介形类化石557个，鉴定出15个化石组合带，测得252组碳氧同位素和189组微量元素比值数据。
The silicon and oxygen isotopes also demonstrate the characteristics of hydrothermal origin.
硅质岩硅、氧同位素地球化学也显示其热水成因之特点。
With the application of hydrogen and oxygen isotopes(2H, 3H and 18O) and carbon isotope(14C), the recharge and renewability of confined water in Yinchuan Plain have been analyzed.
利用地下水氢氧同位素（2H、3H和18O）和碳同位素（14C）方法，分析银川平原承压水的补给更新能力。
S. By measuring the proportion of heavier hydrogen and oxygen isotopes along a strand of hair, scientists can construct a geographic timeline.
通过测量一缕头发中较重的氢氧同位素的比例，科学家们可以构建一个地理学的时间轴。
In this paper formational environment of host rock, wall-rock alteration, sulfur, oxygen, carbon isotopes, mineralization temperatures, ore composition were studied.
本文对该矿床含矿主岩的形成环境、围岩地变、矿石物质成分、矿化形成温度、矿床形成机制及矿质来源等问题进行了研究。
In this paper formational environment of host rock, wall-rock alteration, sulfur, oxygen, carbon isotopes, mineralization temperatures, ore composition were studied.
本文对该矿床含矿主岩的形成环境、围岩地变、矿石物质成分、矿化形成温度、矿床形成机制及矿质来源等问题进行了研究。
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