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是N-烷基乙酰胺的水解。

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.

烃源岩主要生烃分为基镜体，子体、角体和碎屑壳体。

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和腐泥,尤其发育树脂体和藻类体,这些富氢分的荧光性各不相同。