carbon isotope ratioの例文

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1. Different photosynthesis pathways can be identified by carbon isotope ratios, Evershed said in an interview.
2. The games'doping control center will use a carbon isotope ratio mass spectrometer, said Torpong Sewatarmra.
3. Sediments at the site were originally carbon isotope ratios.
4. An analysis of carbon isotope ratios indicated that neither person was subsisting on corn, he said.
5. Bowen said the study analyzed carbon isotope ratios of soils found in sediments that contained the ancient fossils.