thus, high pressure extracted lignin could directly be converted to fusible materials, unlike kraft lignin requiring chemical modification.
因此,高压萃取木质素可不必像硫酸盐木质素那样经化学修饰才有可能转化为可熔材料。
oxidative ammonolysis reaction of wheat soda lignin and wood kraft lignin was studied.
对麦草堿木质素和木材硫酸盐木质素的氧化氨解反应进行研究。
enormous kraft lignin and lignosulfonate produced by straws which are the raw material in pulping and paper making industry await to be utilized every year in china.