以下为句子列表：
英文: Results Galangin was obtained by on-step column chromatography of polyamide only once.
中文: 结果运用聚酰胺柱层析－次分离，获得有效成分高良姜素。
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英文: The method of polyamide column chromatography is preferred for purifying AG, based on the comparisons of yield, purity and cost.
中文: 综合产品得率、糖含量以及成本等多方面因素，选择直接用聚酰胺层析柱来纯化阿拉伯半乳聚糖较为合适。
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英文: The methods such as distn. and silica gel column chromatography were used to sep. the various components of the thickener, and the IR spectrometry, GC-MS combination and ESI-MS were used to certify the structures of the different components.
中文: 用蒸馏和矽胶柱色谱等方法对增稠剂中的各组分进行分离，并用红外光谱法、气质联用和电喷雾质谱法对各组分进行结构鉴定。
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英文: Four compounds were isolated by column chromatography and HPLC. By spectroscopic method,their structures were identified as phytol(I),dl-α-Tocopherol(II),a-Ethoxy-α-tocopherol(Ⅲ) and ,-Cyclohexadiene-,-dione(Ⅳ). Compounds I-Ⅳ were isolated from D.
中文: 经过硅胶柱层析、凝胶层析反复分离,制备高效液相色谱纯化,得到个化合物,经光谱数据分析鉴定其结构分别为叶绿醇(Ⅰ,phytol),生育酚(Ⅱ,dl-α-Tocopherol),a-Ethoxy-α-tocopherol(Ⅲ,),-Cyclohexadiene-,-dione(Ⅳ)以上化合物均为首次从蛇莓中分离得到.
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英文: The specific activity of GST from midgut reached \{ 888.\} (nmol/(min·mg)) by GSH-Sepharose B column chromatography and the purification factor increased to 07. 8-fold.
中文: 用GSH_Sepharose B纯化中肠GST,GST比活力达到.888 nmol (min·mg), 纯化倍数达到07. 8。
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