METHODS Silica, polyamide and ODS column chromatography were used.
方法采用硅胶、聚酰胺和ODS柱层析法。
Their homogeneity was determined by gel column chromatography and electrophoresis.
凝胶柱色谱和聚丙烯酰胺凝胶电泳鉴定纯度。
Combining the ion precipitation with column chromatography to prepare tea polyphenol was studied.
研究了离子沉淀法和大孔吸附树脂层析法结合制备茶多酚的工艺。
METHODS CTX-dwas 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）。
An efficient method column chromatography was used to separate the biotransformed products-5-fluorouridine.
使用一种有效的柱色谱方法分离微生物转化产物5-氟尿苷。
A type of column chromatography in which proteins are separated according to charge. Column is loaded with ions.
根据蛋白质所带电荷的不同而进行分离的一种柱层析技术。层析柱用离子装填。
The troublesome separation of column chromatography would be avoided as crude product recrystallized inn-butanol.
粗产物采用正丁醇重结晶，避免使用较繁琐的柱层析分离。
The extracts were separated by silica gel column chromatography, thin-layer chromatography and paper chromatography.
提取液经柱层析分离及薄层层析和纸层析进一步纯化。
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。
Polyamide and silica gel column chromatography was used to isolate and extract the analgesic and antemetic constituents.
用聚酰胺柱、正相硅胶柱、中压液相柱等色谱方法对高良姜有效成分进行了分离、筛选。
METHODS Recrystallization and column chromatography were used to get purer hyodeoxycholic acid and some other components.
方法运用重结晶和柱层析法进行分离和纯化。
Methods Compounds were isolated by silica column chromatography, and their structures were elucidated by spectral methods.
方法用硅胶柱层析进行分离，用有机波谱学的方法进行结构鉴定。
Methods: Silica gel column chromatography and crystallization were used to obtained gardenoside from Gardenia jasminoides.
方法：利用柱层析、结晶从山栀子的成熟果实中进行分离纯化栀子苷。
By solvent extraction, column chromatography, and crystallization, fexofenadine (96.3% purity) was obtained with yield 63.5%.
通过对发酵液进行溶媒抽提、柱层析、重结晶，得到纯品，收率达到63.5%，纯度96.3%。
The inhibin plasmid DNA was extracted and purified by alkaline lysis method and DEAE-fiber column chromatography and its concn.
采用碱裂解法与DEAE -纤维柱层析法提取与纯化抑制素质粒dna，用分光光度法测定其浓度和纯度。
Methods: the compounds were isolated by silica gel column chromatography, and their structures were elucidated by spectral methods.
方法：利用硅胶柱色谱法对化合物进行分离，运用波谱方法确定结构。
Method: The compounds were extracted with solvents, isolated by various column chromatography and identified by spectroscopic methods.
方法：溶剂提取及各种柱色谱法分离，光谱技术鉴定结构。
Methods Using silica gel column chromatography for separation, TLC for tracking and detection, HPLC for purity detection of the products.
方法采用硅胶柱色谱进行分离，薄层色谱跟踪检测，HPLC检测产品纯度。
Method:Compounds were isolated by column chromatography and elucidated on the basis of spectroscopic analysis and comparison of references.
方法：柱色谱分离化合物，光谱分析和对照品比较鉴定结构。
The separation and purification of pristinamycins from the fermentation broth by the method of silica gel column chromatography was developed.
建立了对发酵液中的普那霉素进行分离纯化的硅胶柱层析方法。
Organic phosphorus by acetone extraction, gel column chromatography purification, HP-5 silica capillary column chromatography, flame-ray detector.
有机磷经丙酮提取，凝胶层析柱净化，HP - 5石英毛细管色谱柱分离，火焰光检测器检测。
METHODS ? The isolation and purification was performed by silica gel column chromatography and the structures were identified by spectral analysis.
用硅胶柱层析法分离纯化，用光谱法进行结构鉴定。
Method: Compound were isolated by solvent-extraction together with column chromatography and the structure were determined by spectroscopic analysis.
方法：采用溶剂提取和柱层析色谱分离，根据化合物理化性质和光谱数据鉴定其结构。
In purifying phase, the extracts were disposed by silica gel column chromatography and preparation lamella chromatography, then crystaled by N-Hexane.
纯化阶段，硅胶柱色谱及制备型薄层色谱处理提取物，正己烷沉淀结晶。
Methods: (1)To separate stilbene glycoside by using silica gel column chromatography with gradient elution consisting of ethyl acetate and petroleum ether.
方法：（1）以硅胶柱色谱法，乙酸乙酯-石油醚梯度洗脱，自何首乌中提取分离二苯乙烯苷单体成分。
Using polyamide column chromatography, gathering effluent fraction of ethanol, applying rutin as standard curve, we estimated the content of crude flavonoids.
乌蕨提取物经过聚酰胺柱层析，收集乙醇洗脱部分，以芦丁作标准曲线，用比色法测定总黄酮。
Pure TS99 could be obtained from pretreatment fermentation broth through macroreticular adsorbent, silica gel column chromatography and thin-layer chromatography.
发酵液经过预处理后，依次用大孔树脂吸附，硅胶柱吸附层析和薄层层析等分离方法即可获得农用抗生素TS99纯品。
The conversion rate from AA into PGG2 and PGH2 by chemical reaction and column chromatography was about 34%. The purity of endoperoxide products was more than 90%.
通过化学反应和柱层析，AA转变为PGG_2和PGH_2的转换率大约为34%，前列腺素内过氧化物的纯度可达90%以上。
Silica gel column chromatography and solvent extraction were used to separate grease and abradant in a kind of excellent polishing paste for plastics, respectively.
分别采用硅胶柱色谱法和溶剂抽提，分离优质塑料抛光膏中的油脂和磨料部分。
Silica gel column chromatography and solvent extraction were used to separate grease and abradant in a kind of excellent polishing paste for plastics, respectively.
分别采用硅胶柱色谱法和溶剂抽提，分离优质塑料抛光膏中的油脂和磨料部分。
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