sequential extraction是什么意思

用法例句

Temperature field study on continuous ohmic heating of liquid food;

液态食品连续通电加热的温度场研究

Catalyzed chlorination of acetic acid to continuous synthesize monochloroacetic acid;

乙酸催化氯化法连续制备氯乙酸

Continuity of Currents and Condations for the Therom of Ampere s Circuital Law;

电流的连续性和安培环路定理的成立条件

Localization in the conception of continuity and derivative;

连续、导数概念的局部性

On the Mutual-Transformation of the Continuity and the Discreteness in Mathematical Analysis;

数学分析中“连续”和“离散”两类问题的相互转化