chemical extraction meaning in Chinese

化学抽提
化学提取法

Research progress and developing orientation of chemical extraction technology of weathing crust strain amass - type rare earth ore
高稳定型稀土永磁起重吊的开发
Nuclear energy - nuclear fuel technology - waste - determination of nickel 63 in effluents and waste by liquid scintillation after a preliminary chemical extraction
核能.核燃料技术.废料.在初步化学萃取后用液体闪烁法对排放物和废料中镍63的测定