the rules of test-paper extraction 抽题规则
fat-free extraction paper 脱脂提取纸
free extraction paper 脱脂提取纸
Paper Chromatography Extraction Spectrometry 纸色谱萃取分光光度法
In this paper extraction cascade computation was made for four different arrangements.
本文计算了四种不同的萃取串级排列。
Three days later, a paper published by researchers at Uppsala University in Sweden showed that the IEA's forecasts must be wrong, because it assumes a rate of extraction that appears to be impossible.
三天之后，由瑞典乌普萨拉大学的研究者发表的一篇文章显示IEA的预测肯定是错误的，因为它假设的开采率看起来无法实现。
This paper studies the method of extraction of ricinine in castor pomace.
本文研究了蓖麻渣和蓖麻籽中蓖麻碱的提取方法。
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