以下为句子列表：
英文: A white needle crystal was isolated and purified on systematic extraction of the alkaloid by silica gel column and gradient sublimation from Oxytropis glabra.
中文: 摘要采用生物堿系统提取、矽胶柱层析分离及梯度升华技术从小花棘豆干草粉中分离出一种白色针状结晶。
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英文: Alkaloid One of a group of organic compounds found in plants, which are poisonous insoluble crystalline compounds.
中文: 生物碱：一种在植物中发现的有机化合物，通常是有毒的、不溶于水的结晶化合物。
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英文: Conclusion: The Sophora alopecuroides L. alkaloid Extraction Process Compare for great manufacture supply furnish pharmaceutical industry use for reference.
中文: 结论：通过对苦豆子类生物碱提取工艺的比较，为大生产中苦豆子类生物碱提取提供借鉴。
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英文: Choose kinds of macroporous adsorption resins(AB-8,NKA-9,NKA-Ⅱ,DA-0,D-0,D00) extraction and separation the total alkaloid from Uncaria macrophylla Wall.
中文: 选择种大孔吸附树脂(AB-8,NKA-9,NKA-Ⅱ,DA-0,D-0,D 00)分离提取大叶钩藤(Uncar iam acrophy llaW all.)
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英文: Determination of the content of total alkaloid in Huperzia serrata by UV spectrophotometric
中文: 紫外分光光度法测定蛇足石杉中总生物碱含量
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