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1·The samples were extracted by liquid-liquid extraction method.

以尼莫地平为内标，样品采用液-液萃取。

2·Learn how to work up your reaction using a separatory funnel to perform a liquid-liquid extraction.

用分液漏斗示范液-液萃取并学习如何用“完整的反应操作步骤”检查你的反应能否发生。

3·Thecolumn operates under the principles of liquid-liquid extraction and seeks to recover metals with high added value.

这种萃取柱技术以液-液萃取为基本原理，致力于回收高附加值金属。

4·Membrane extraction process is a new separation technology which combines liquid-liquid extraction with membrane process.

膜萃取是膜过程与液液萃取过程相结合的一种新型分离技术。

5·The progress and industrial application prospects of enhanced liquid-liquid extraction by electric fields were discussed.

讨论电场强化液-液萃取的进展和工业应用前景。

6·The results indicated that this simulation method could be used to simulate many kinds of liquid-liquid extraction process.

分析结果表明，该模拟算法可准确迅速地适用于各类萃取过程的模拟计算。

7·Membrane extraction process is a new separation technology which combines the membrane process with liquid-liquid extraction.

膜萃取是膜过程和液液萃取过程相结合的一种新型分离技术。

8·The traditional techniques, such as liquid-liquid extraction and solid-phase extraction, are time-consuming and labor-intensive.

传统的样品前处理方法(如液-液萃取、固相萃取等)耗时长且操作繁琐。

9·Annular centrifugal extractor is a new type of high efficient liquid-liquid extraction equipment. It has many obvious advantages.

环隙式离心萃取器是一种新型的高效液-液萃取设备，具有许多显著优点。

10·As a promising sample preparation technique, SPE costs less time, selectivity, more effective than traditional liquid-liquid extraction.

该技术比传统液—液萃取用时短、二次污染小、选择性好，是一种很有前途的样品预处理技术。