concentrated acid短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 浓酸 The result of the research shows that lignophenol, which was separated from milled wood in phase- separate reaction system composed of phenol derivative and concentrated acid, can adsorb endotoxin. 研究结果表明，采用室温相分离法从木材中分离制得的木质素—酚的衍生物能吸附内毒素。 cnki