有机氮

结果表明：总体上，上覆水和间隙水中不同形态氮含量的顺序为有机氮＞氨氮＞硝态氮；沉积物中可交换态无机氮以氨氮为主，沉水植物的存在并没有改变这一格局。

organic fertilizer

organic modifier

Organic biosensor

NH3, NaOH, H2SO4, alkalis, organic, rubber, leather, water, glass…..

crystal chemistry of organic compound【晶体】

organic synthesis

particulate organic matter\nPOM\n海洋

Organic substance