The essence of deacetylation reaction of chitin was the hydrolysis of N-alkyl ethanamide.

摘要甲壳脱乙酰化反应其本N-基乙酰胺的水解。

The organic source rocks of Paleogene from Huangxian basin are rich in the content of exinite and sapropelinite,especially resinite and alginite.

黄县盆地下第三系有机岩中含有丰富的壳组和腐泥组,尤其发育树脂和藻类,富氢组分的荧光性各不相同。

A small quantity of sporinite and cutinite were identified in addition to the majority of the hydrocarbon-forming micro-components that mainly occurred as matrix vitrinites.

烃源岩主要生烃显微组分为基镜，少量孢子、角和碎屑壳。