特にニトロバクテリアの作用で、硝酸、亜硝酸または硝酸塩に変化する
(convert into nitric acid, nitrous acid, or nitrate, especially with the action of nitrobacteria)
ニトロ基が有機化合物(または有機化合物の別のグループに置換される)に加えられる化学過程
(the chemical process in which a nitro group is added to an organic compound (or substituted for another group in an organic compound))