oxygen isotope compositionの例文

例文

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1. Climate change during the last 65 million years as expressed by the oxygen isotope composition of benthic foraminifera.
2. The Glacial effect describes the change of the oxygen isotope composition of sea water, due to growing ice sheets in high latitudes during glacials.
3. He was a pioneer in the use of mass spectrometry to determine changes in climate as recorded in the oxygen isotope composition of calcareous microfossils.
4. These have been used to study the oxygen isotope composition of the ice, which showed that ice of the last glacial period was present below about 400 m depth.
5. A 2010 study proposed that spinosaurids were semi-aquatic, based on the oxygen isotope composition of spinosaurid teeth from around the world compared with that of other theropods and extant animals.