natural abundance

Ge is the least common with a natural abundance of approximately 7%.

And Japan had to import so much else; only coal was in natural abundance.

Despite its natural abundance, aluminium has no known function in biology.

The continent's natural abundance and human poverty simply raise the stakes.

Madeira's natural abundance lies behind another new trend on the island.

Synthetic routes to yuehchukene have been developed due to its low natural abundance.

Natural abundance of isotopes of a chemical element in nature.

In these materials, deviations from "natural abundance" are sometimes measured in factors of 100.

The surrounding forest still maintains its natural abundance.

However the range of natural abundance for the isotopes is such that the standard abundance can only be given to about 0.001% (see table).

This is not surprising given the very high natural abundance of calcium compounds in the environment and in organisms.

When the dialogue begins it shows the disruption civilization wreaks on the natural abundance of the wilderness.

The natural abundance exceeded my hopes; the eclectic culture surpassed my expectations.

Some elements like phosphorus and fluorine only exist as a single isotope, with a natural abundance of 100%.

The uranium found was considered to be natural, as its isotope ratios were consistent with the natural abundance.

Awaiting more here, see natural abundance.

Because of the synthetic production route of I and its short half-life, the natural abundance is effectively zero.

In contrast, carbon and nitrogen have useful isotopes but which occur only in very low natural abundance.

Moderately sensitive, very low natural abundance.

This last characteristic makes possible the study of samples with the natural abundance of the Mössbauer isotope.

Lastly, the natural abundance of other atoms than carbon also leads to a disturbance in the mass isotopomer spectrum.

Natural abundance also helps greatly.

The masses listed are based on weighted averages of the elemental isotopes at their natural abundances.

The natural abundances of the elements were found to differ slightly, but measurably different depending on the origin of the sample.

Refugees from Allar and other Palestinian villages who are old enough to remember life there express nostalgia for the natural abundance of the land lost.