甲氧基
The C_9 unit empirical formula of the product of F was: C_9H_ ( 6.72) O_ ( 3.07)( OCH_3) 1.52, with 0.43 Ph-OH and 1.52 methoxyl group in each C_9 unit.
甲酸酸解后产物的C9单元经验式为:C9H(6.72)O(3.07)(OCH3)(1.52),每个C9单元含有0.43个酚羟基,1.52个甲氧基;
The results indicate that compared with reed lignin, residual lignin in reed kraft pulp had higher contents of oxygen and phenolic and alcoholic hydroxyl groups, lower contents of methoxyl group, residual carbohydrates and total aldehydes after alkaline nitrobenzene oxidation.
研究发现,苇浆残余木素比起芦苇木素具有较高的氢含量和较低的氧含量;较低的甲氧基含量和较高的酚羟基和醇羟基含量;
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