extraction solvent短语¹⁴⁴⁹⁷²⁺² 基本例句 萃取溶剂,抽提溶剂 This study describes the extraction of nitrite from meat by subcritical water. Factors such as temperature, extraction time and the composition of extraction solvent were investigated. 研究了肉制品中亚硝酸盐的亚临界水萃取预处理技术，分别考察了温度、时间、萃取剂组成对萃取效率的影响。 cnki