大家在查：逆流萃取回流萃取分部萃取大环配位体四苯基硼酸钠萃取机复合絮凝剂重氮反应碘化钾试纸苯基硫脲

萃取比

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萃取比

萃取比

萃取比

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...action ratio 序号萃取剂浓度(%) 萃取比(Esc) Sc 萃取率(%) 1 20 015056 23158 2 30 019952 49188 3 40 118082 64139 4 50 …

1

The extraction effect of two-mixed-cooperate extractants is better than the one of single extractant.

二元混合协同萃取比单一萃取剂的萃取效果好。

2

The precise equation for the optimized extraction factor of countercurrent extraction

串级萃取最优萃取比精确方程

3

A Precise Calculation Equation for Optimized Extraction Factor in Scrubbing Section

洗涤段优化萃取比的精度计算

4

Determination of Contents of Total Saponin in Radix Astragali sen Hedysari with Solid -phase Extraction and Chromatometry

固相萃取 -比色法测定扶正注射剂中黄芪总皂苷的含量

5

Analysis of trace gold and silver in geochemical samples in extraction colorimetry

液珠萃取比色法测定化探样品中的金、银

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