...文版） 关键字: 稀土尾矿；稀硫酸；稀盐酸；乙醇；硫酸钙晶须[gap=1414]Key words: rare earth tailing; dilute sulphuric acid; dilute hydrochloric acid; ethanol; calcium sulfate whiskers..
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Dilute sulphuric acid pretreatment was adopted as the main pretreatment method, which showed 130℃, solid load 5 %, acid concentration 0.75 % (v·v~(-1)) and pretreatment time 30 min were the optimal level by single factor experiment.
稀硫酸预处理作为本文主要预处理方法,单因素实验显示各因素最佳水平为:温度130℃,固液比1:20,酸浓度0.75%(v·v~(-1))和时间30min。
参考来源 - 玉米秸秆制备生物乙醇及其综合利用·2,447,543篇论文数据，部分数据来源于NoteExpress
These are immersed in an electrolyte of dilute sulphuric acid.
他们浸在一种稀释硫酸制成的电解质中。
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。
Production in the rising trend, with ph dilute sulphuric acid adjust ph value and to fully mix, prevent local high acidity and cause brightener exhalation.
生产中pH朝上升趋势，用稀硫酸调pH值并要充分搅拌，防止局部酸度高而导致光亮剂析出。
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