Extraction toxicity is an important identification indicator of hazardous waste toxicity characteristics.
浸出毒性是危险废物毒性特性鉴别的重要指标。
2
By using orthogonal test, the extraction rate of total flavonoids of Litchi was applied as the observatory indicator to investigate the extraction process.
采用正交试验，以荔枝核总黄酮的提取率为考察指标，优化提取工艺。
3
Methods: the extraction technique was evaluated by single factor experiment and orthogonal design, with the extraction rate of the asiaticoside as indicator.