Sentences with phrase «organic carbon present»

Degradable organic carbon: The portion of organic carbon present in such solid waste as paper, food waste, and yard waste that is susceptible to biochemical decomposition.

Not exact matches

This organic whole that began from an initial high bang and eventuated into the present universe is distinguished by a form of unity and diversity radical beyond all imagining: infinite differences, and diversity that is marked not by isolation but by shared atoms over millennia as well as minute - by - minute exchanges of oxygen and carbon dioxide between plants and animal.

The Initiative is based on the finding that «4 ‰» annual growth rate of the soil carbon stock would make it possible to stop the present increase in atmospheric CO2 and aims to use a range of agricultural systems to sequester CO2 and store it in the ground as soil organic carbon (SOC).

Evidence for such an origin might be bolstered if scientists find signs of other materials known to be present in comets, like carbon - based compounds called organics.

By comparing the amount of carbon 13 in the inorganic particles with the absence of carbon 13 in the organic matter, scientists can estimate how much oxygen was present in the atmosphere at that time.

The carbon NMR spectrum revealed no organic trioxide was present.

Here is how carbon dating works and the assumptions it is Carbon is the building block of all organic molecules and is present in many other forms in the environment.

We found that cells produced more calcium carbonate under future ocean conditions, but had the same amount of organic carbon as in present conditions.

The scientists found that almost 70 % of the organic carbon initially present in the weathered bedrock had been oxidised by soil microbes, to put, for every square kilometre they measured, somewhere between six and 18 tonnes of carbon back into the atmosphere.

Soot - Particles formed during the quenching of gases at the outer edge of flames of organic vapors, consisting predominantly of carbon, with lesser amounts of oxygen and hydrogen present as carboxyl and phenolic groups and exhibiting an imperfect graphitic structure.

Why fiddle around with carbon trading when we could be doing carbon removal from our biosphere by using the pyrolysis process on the massive ever - expanding messes of organic wastes and sewage solids that present handling procedures allow to naturally biodegrade to reemit carbon dioxide that nature trapped in biochemicals.

At present, coccolithophores contribute 50 % of the pelagic CaCO3 production [66], and up to 80 % of the organic carbon export is associated with CaCO3 [67].