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

摘要甲壳质脱乙酰其本质是N-烷基乙酰胺水解。

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壳质和腐泥,尤其发育树脂体和藻类体,这些富氢荧光性质各不相同。

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为基质镜质体，少量孢子体、角质体和碎屑壳质体。