The compoundsolvent met the three demands of boiling point, viscosity and polarity group.
复配溶剂满足沸点、黏度和极性基团三大原则；
2
This paper discusses the current polarographic research of carbonyl compound in proton & proton inert solvent.
本文综述了羰基化合物在质子和质子惰性溶剂中的极谱研究现状。
3
Bio-transforming the canrenone with the enzyme system of Aspergillus ochraceus SIPI-4411; By solvent extraction and silica gel column chromatography, the compound SIPI-CANR was obtained.