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- small column chromatography 小柱状色谱
- Galangin was obtained by on-step column chromatography of polyamide only once. 运用聚酰胺柱层析-次分离,获得有效成分高良姜素。
- Its homogeneity was identified with Sepharose 6B column chromatography. 紫外光谱显示它不含蛋白质、多肽及核酸。
- Restrict your choice of full-text key columns to a small column. 仅选择较小的列作为全文键列。
- In this paper, we extracted the antioxidative substance from Alpinia oxyphylla Miquel by using column chromatography. 摘要探讨了干柱层析法分离益智渣及益智乙醇提取物的抗氧化成分。
- METHODS: Alcoholic extraction, silica gel, ODS column chromatography and recrystallization were used. 方法:采用工业酒精提取、胶柱层析、DS柱层析和重结晶等方法。
- METHODS CTX-d was fractionated and purified from Naja naja atra venom by column chromatography and RP-HPLC. 方法应用柱层析及RP-HPLC,从眼镜蛇毒粗毒中分离纯化细胞素素(CTX)。
- Results Galangin was obtained by on-step column chromatography of polyamide only once. 结果运用聚酰胺柱层析-次分离,获得有效成分高良姜素。
- Objective To separate flavonol and flavanonol by the column chromatography of polyamide. 目的采用聚酰胺柱色谱分离黄酮醇与二氢黄酮醇类化合物。
- To set up a sephadex column chromatography method for the determination of polymer impurity in cefotetan disodium. 目的建立葡聚糖凝胶色谱法测定头孢替坦二钠中聚合物的方法。
- Results Pure flavonol and flavanonol were obtained by the column chromatography of polyamide. 结果运用聚酰胺柱色谱法一次分离得高纯度黄酮醇与二氢黄酮醇。
- The molecular weight of the antibiotic substance is 48000 Dalton,tested by sephadex-G75 gel column chromatography. 而且用Sephadex-G75凝胶柱层析法测得抗生物质的分子量为48000道尔顿
- It was almost concealed by the small columns which held up the roof. 它几乎被支撑屋顶的几根小柱子遮掩住了。
- Conclusion: Silica gel column chromatography and crystallization are simple and rapid methods to isolate gardenoside. 结论:柱层析和重结晶方法是简单、速分离栀子苷的有效办法。
- The extract was further purified by column chromatography to get the acicular crystals of reserpine of 99. 将萃取所得产物用硅胶柱色谱进一步分离提纯;得到了质量分数为99.;8%25的利血平针状结晶。
- Methods:Urine samples were purified and richen by small column (Sep Pak C18). s hydroxyethyl cysteine in purified samples reacted with OPA in autosampler of HPLC,separated by column Lichrospher 100 RP-18e and detected by DAD detector in wavelengh 338nm. 方法 :尿液经 Sep- PakC18小柱富集和纯化 ,样液中 s-羟乙基半胱氨酸在 HP10 5 0高效液相色谱仪自动进样器中使用邻苯二甲醛 (OPA)自动衍生 ,经 L ichrospher 10 0 RP- 18e色谱柱分离 ,用 DAD检测器在 338nm波长下测定吸收值。
- Methods The compounds were isolated by silica gel column chromatography and identified by spec-tral analysis. 方法通过硅胶柱色谱法分离纯化化合物,谱学方法鉴定其结构。
- Then the extracted material was sequently filtered and sperated by means of silica gel column chromatography. 提取物通过硅胶柱层析分离,得到无辣味的红色色素。
- Probably not acquaintances show way, the reporters just a mess in front of the school saw a small column propaganda posters, but there is no column on housing and the rental of advertising. 可能是没有熟人带路,记者只在该校的一个食堂门前看到了一个小型的张贴海报的宣传栏,不过这个宣传栏内没有任何关于房屋租赁的广告。
- Silica gel column chromatography was used to separate and purify total alkaloids from Fritillaria ussuriensis Maxim. 目的:对东北特产平贝母的生物碱进行分离纯化研究。