Some fractions with low molecular weight have been obtained by silica gel chromatography separation of Pingshuo coal extracts.
用硅胶色谱柱将平朔烟煤吡啶抽提物分离成八种不同馏分。
MethodsThe chemical constituents were isolated and purified with silica gel chromatography, their structures were determined by spectral analysis and chemical evidence.
方法利用各种色谱技术进行分离纯化，根据化合物的理化性质和光谱数据进行结构鉴定。
The cultural fruiting bodies of the Gymnopilus spectabilis were phytochemical investigated using layer extracts with petroleum ether, diethyl ether, methanol and water and silica gel chromatography.
本研究采用石油醚、乙醚、甲醇、水溶剂梯度提取法和多种柱层析法，对栽培橘黄裸伞子实体进行了化学研究。
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。
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。
This paper presents a new porous silica microsphere packing for gel permeation chromatography (GPC).
本文介绍了一种新研制的硅质球形凝胶渗透色谱填料。
Methods The compounds were isolated by silica gel, ODS, and macroporous resin column chromatography and their structures were determined by means of spectral analysis.
方法利用正相、反相硅胶柱和大孔树脂柱色谱分离，并通过波谱技术进行结构鉴定。
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。
ConclusionThe co-utilization of silica gel column and gel chromatography can greatly improve the efficiency of isolation and purification.
结论硅胶柱色谱和凝胶柱色谱的混合利用可以提高供试品的分离纯化效果。
The soybean phosphatidylethanolamine and phosphatidylinositol were prepared by combining methods of solvents extraction and silica gel column chromatography from soybean oil sediment.
采用溶剂萃取法和柱色谱法相结合的工艺，从大豆油脚中制备肌醇磷脂，研究了不同洗脱剂对柱色谱分离脑磷脂和肌醇磷脂效果的影响。
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。
The ethanol extract was subumitted to chromatography on silica gel column to isolate some compounds. We tested the potency of halostashys components with sensitivity test.
盐穗木全草乙醇提取物，经萃取、硅胶柱层析、薄层层析的方法分离提取，并结合药敏实验对其进行效价测定。
A silica gel-ion exchange chromatography has been developed for the analysis of polar components in the used gasoline engine oil.
本文建立了汽油发动机油在用油极性组分的分析方法，即硅胶-离子交换色谱法。
The unsaponifiable matters including sterols, 4-methyl sterols and triterpene alcohols in perilla seed oil were separated and analyzed using flash chromatography with silica gel H and GC.
采用快速硅胶柱层析和气相色谱对紫苏子油中甾醇、4-甲基甾醇及三萜醇等不皂化物的成分进行了分离和分析。
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。
Bio-transforming the canrenone with the enzyme system of Aspergillus ochraceus SIPI-4411; By solvent extraction and silica gel column chromatography, the compound SIPI-CANR was obtained.
应用赭曲霉SIPI-4411的羟化酶系统对化合物坎利酮进行生物转化，通过溶剂萃取、硅胶柱层析，获得转化产物SIPI-CANR化合物的纯品。
Methods:The isolation and purification were carried out by repeated silica gel column chromatography, and the chemical structures were determined by physicochemical properties and spectral analysis.
方法：采用反复硅胶柱色谱、葡聚糖凝胶色谱等分离纯化，通过理化常数和波谱分析鉴定其化学结构。
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。
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。
METHOD: the chemical constituents were isolated by using polyamide, silica gel column chromatography and HPLC, and the chemical structures were elucidated by UV, IR, NMR and MS.
方法：采用聚酰胺、硅胶柱色谱、高效液相色谱分离化学成分，UV、IR、NMR、MS等方法进行结构鉴定。
METHODS The compounds were separated by column chromatography with silica gel and prep-HPLC, whoso structures were elucidated on the basis of spectroscopic data and physicochemical properties.
方法利用硅胶柱色谱、制备高效液相色谱等方法进行分离，根据化合物的光谱数据和理化性质鉴定其结构。
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。
Method: Compounds were separated by solvent extraction and column chromatography with silica gel and structures were elucidated by chemical evidence and spectral analysis.
方法：溶剂提取和硅胶柱色谱法进行分离，理化性质和光谱数据鉴定其结构。
The product of fermentation was separated with macroporous resins, and then purified by the silica-gel column chromatography and recrystallization. The pure product was assayed by NMR, IR and MS.
发酵产物经大孔吸附树脂、硅胶柱层析及重结晶等方法制备出牛蒡子苷元纯品，并采用核磁共振（NMR）、红外（IR）、质谱（MS）等方法对产物进行了鉴定。
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。
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。
Objective This paper introduces a new method for removing the organic impurities in silica gel powder used for thin layer chromatography.
目的本文介绍了灼烧去除薄层色谱硅胶粉中有机杂质的方法。
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 liquid chromatography Silica and bonded silica gel, macro-porous silica gel for bio-engineering, SPE column and microprobe filters has reached advanced world standard.
其中液相色谱反相填料，正相填料，生物工程用大孔硅胶，样品预处理净化富集柱以及微孔滤膜、滤器均已达到国际先进水平。
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。
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