active nitrogen

基本解釋

Among those, conspicuous changes can be detected only in chlorophyll a, ammonia-nitrogen and active phosphorus.
除葉綠素、氨氮和磷酸鹽濃度起伏較大外，其它因子在調(diào)查期間變化不明顯。
The number of active hydrogen atoms attached to nitrogen atom of different classes of amine determine their effectiveness in extraction of metals by solvation.
根據(jù)與氮相連結(jié)的活性氫原子的多寡與有無，討論了伯、仲、叔胺類溶劑化能力的強(qiáng)弱。
There were significant difference of genotypes on the mean nitrogen uptaking rate during active grain nitrogen uptaking period(NURmeanD) was different among genotypes.
最大灌漿速率持續(xù)期、活躍灌漿期、籽粒對氮活躍吸收期以及氮活躍吸收期內(nèi)的平均吸氮速率在不同基因型間存在顯著差異。