Sentence examples for proportion of carbon from inspiring English sources

The proportion of carbon present as carbonates, carbon-oxygenates and hydrocarbon species does not depend much on reaction temperature and photon energy.

So, for example, Curiosity saw a significant proportion of carbon dioxide - the likely consequence of carbonate minerals being present in the sample.

L represents the proportional lipid content of the sample and C N the proportion of carbon and nitrogen in the sample.

To stay within that limit, the proportion of carbon dioxide in the atmosphere mustn't exceed 450ppm (parts per million).

The ideal proportion of carbon modified in LTO is also explored.

For the first time in five million years the proportion of carbon dioxide molecules in the Earth's atmosphere has reached 400 parts per million (ppm).

Microbes fractionate the isotopes, increasing the proportion of carbon-12 compared to fossil methane.

Yet methane from burning trees or crop residues has a higher proportion of carbon-13, because photosynthesis favors that isotope.

When methane is made by life, it has a different proportion of carbon-12 to carbon-13 than when it is given off from geological processes.

Finally, soils on top of these showed a large drop in the proportion of carbon-13 corresponding to the PETM itself.

Processes like photosynthesis or microbial oxidation serve to "fractionate" the isotopes, increasing the proportion of carbon-12, which then gets translated to the emitted gas.