"abundance" nach Englisch mit Beispielen - Kollokationen-Wörterbuch Englisch
- Specific samples may vary significantly from the expected isotopic composition due to real deviations from earth's average isotopic abundances.
- However, helium is unusual in that its isotopic abundance varies greatly depending on its origin.
- It also led to explanations for the isotopic abundances of present-day planetary atmospheres.
- Moreover, even more stringent constraints, placed by study of certain isotopic abundances in the Oklo natural nuclear fission reactor, seem to indicate no variation is present.
- There is a known variation in the isotopic abundance of chlorine-37.
- Another application is in radiochemistry, where this may refer to isotopic ratios or isotopic abundances.
- The year-to-year variation in tree-ring widths and isotopic abundances gives clues to the prevailing climate at that time.
- Unlike most elements, helium's isotopic abundance varies greatly by origin, due to the different formation processes.
- Such effects could account for shifts in the isotopic abundances of hydrogen and nitrogen in carbonaceous chondrites.
- These differences in isotopic abundance are used as "labels" to identify the different sources of CO2 found in an atmospheric CO2 sample.
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