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extraction
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抽出,取出,抽出物
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详细解释：
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以下为句子列表：
英文: A determination of six metallic elements in Cnidium monnieri (L.) Cuss by flame atomic adsorption spectroscopy (FAAS) is presented and its different part in the procedure of water extract-alcohol precipitation and the extraction of total conmarins were st
中文: 采用火焰原子吸收分光光度法分别对蛇床子全药材、水提醇沉以及总香豆素提取过程不同部位的六种金属元素的含量进行了测定。
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英文: A new method on extraction of phenanthrene from crude anthraceneis given, which includes azeotropic dissolution with ethylene glycol, extraction of carbon tetrachloride, treatment of sulfuric acid and ethyl alcohol recrystallization, in the end, the best
中文: 研究了从粗蒽中提取菲的方法，即用乙二醇对原料进行共沸，以四氯化碳为溶剂并用硫酸处理，最后用无水乙醇重结晶，制定出最佳的工艺路线.
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英文: A novel method of histogram analysis for background extraction of video images was proposed, which was derived from the pixel-based histogram analysis.
中文: 摘要在基于像素的直方图分析背景提取的基础上，提出了基于块的直方图分析背景提取方法。
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英文: A polar-transformed snake for extraction of the contours of elliptic objects is presented.
中文: 摘要提出了转化到极坐标中的蛇模型。
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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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