采用高压釜实验，研究烟煤在碱性介质中氧气氧化时加入有机脂肪酸促进剂对产品生成的影响。
This investigation is about the influence of fatty acid used as the promoter on the product of bituminous coal oxidation by oxygen and alkaline solution acting in an autoclave.
并根据井冈霉素分子中仲胺基在碱性介质中显正电性的特点，设计了一步法提取井冈霉素的工艺路线。
According to the positive electrical property of imino group in Validamycins molecular in alkaline media, a one-step technology of extraction Validamycin was proposed.
本文基于维生素K_3（亚硫酸氢钠甲萘醌）或甲萘醌在碱性介质中与氨基硫脲生成紫色化合物的反应。
The method was based on the reaction of the vitamin K_3 (menadione sodium bisulfite) or menadione with thiosemicarbazide to form an violet compound in alkaline medium.
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