nitrogen group


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ni·tro·gen group

(nī'trō-jen grūp),
Five trivalent or quinquivalent elements the hydrogen compounds of which are basic and the oxyacids of which vary from monobasic to tetrabasic: nitrogen, phosphorus, arsenic, antimony, and bismuth.

ni·tro·gen group

(nī'trŏ-jĕn grūp)
Five trivalent or quinquivalent elements whose hydrogen compounds that are basic and with oxyacids that vary from monobasic to tetrabasic: nitrogen, phosphorus, arsenic, antimony, and bismuth.
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References in periodicals archive ?
The spectra also show the presence of nitrogen groups. Therefore, carbon and nitrogen ratio (C:N) of the biochar samples which is shown in Table 1.
According to Dr N Raghuram, co-organizer of the event, and coordinator of Indian Nitrogen Group, "In Indian agriculture, genuine demands for expansion of fertilizer N use in some areas co-exist with the concerns over the environmental hazards of excessive and inefficient N-fertlizer sue in other areas.
Before calcination, nitrogen groups are just adsorbed on the surface or interspace of Ti[O.sub.2], not doped into the lattices of Ti[O.sub.2], which cannot change the band gaps of S1, S2, S3, and S4.
Members of one class, the nitro-musks, are ringed structures dotted with nitrogen groups.
They did this using polyaniline (PANI), a polymer that consists of phenyl rings connected by nitrogen groups. The unique structure of PANI contains many de-localized bonds, which allow electrons to flow along the chain and give it a mild conductivity.
Substituting eight nitrogen groups for the hydrogen, for example, would create a compound twice as powerful as TNT, Gehring predicts.
Their next move was to see if the nitrogen groups on these small protein pieces could be knitted together into some kind of structural matrix.