以马铃薯渣为原料，在微波条件下，用稀硫酸溶液萃取、硫酸铝沉淀提取果胶。
Using thin sulphuric acid as extraction reagent by microwave radiation, extracting pectin is precipitated by aluminum sulfate from potato dregs.
该工艺是使用一种新型铜蚀助剂，使紫铜在稀硫酸溶液中迅速被空气氧化而制备工业硫酸铜。
This technology USES a new catalyst to make copper oxidized by air in a dilute sulfuric acid solution and thus to prepare industrial cupric sulfate.
以稀硫酸水溶液作溶剂，采用浸渍法从黄连中提取黄连素。
Berberine hydrochloride was extracted from rhizoma Coptis with dilute sulphuric acid as solvent by the method of immersion.
以稀硫酸水溶液作溶剂，采用浸渍法从黄连中提取黄连素。
Berberine hydrochloride was extracted from rhizoma Coptis with dilute sulphuric acid as solvent by the method of immersion.
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