单词nicotin
n.: 【化】烟碱网络: 尼古丁；烟碱素
【化学】烟碱,尼古丁,烟草素
Any RN, the content of nicotin, N, K, Cl and amylum satisfied the demand of high quality tobacco, reducing sugar was on the other way round.
在任R_N下，烟碱、总氮、钾、氯、淀粉的含量均符合优质烟叶要求，而还原糖相反。