Carbon-nitrogen cycle



carbon-nitrogen cycle

carbon-nitrogen cycle n.
A chain of thermonuclear reactions in which nitrogen isotopes are formed in intermediate stages and carbon acts essentially as a catalyst to convert four hydrogen atoms into one helium atom with the emission of two positrons. The entire sequence is thought to generate significant amounts of energy in the sun and certain other stars. Also called carbon cycle, nitrogen cycle.
carbon-nitrogen cycle
See carbon cycle.

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    of, like, or containing carbon. Historical Examples These are what we have mainly to look out for, the carbonaceous foods usually being over abundant. Hints on Dairying T. D. Curtis From the above experiments it is inferred that a supply of carbonaceous matter does not increase the crop of barley. Cooley’s Cyclopdia of Practical Receipts […]

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