A piston and scraper assembly (26) for a high-pressure liquid chromatography column (1) is provided with a snap lock between the piston (5) and the scraper (25).
本发明涉及一种用于高压液体色谱柱(1)的活塞和刮刀装置(26)，其中在活塞(5)和刮刀(25)之间设有搭锁。
So in this study, based on the mechanism of affinity chromatography, the affinity chromatography column with the heme immobilized was built to do purification of HBP.
根据亲和层析的原理，把血红素作为配基制备亲和层析柱用于纯化HBP，为进一步研究HBP打下基础。
After dissolution of inclusion bodies in binding buffer containing 8m Urea, the fusion protein was purified with metal affinity chromatography column, high purity protein was achieved.
包涵体蛋白经含8m尿素的结合缓冲液溶解后，用金属亲和层析法进行纯化，获得了高纯度的目的蛋白。
Describes separately the functions and working principle of all the parts of the system, i. e. reservoir, chromatography column, etc. and the matters needing attention in the operation.
分别介绍了系统贮液器、色谱柱等各部件的功能和工作原理以及在使用过程中应注意的问题。
This paper describes a capillary column gas chromatography method for quantitative analysis of an 0.8 % solution of transfluthrin repellent.
本文描述了用毛细管气相色谱对0.8％四氟菊酯驱蚊药液的定量分析方法。
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。
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。
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%。
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。
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。
The method of extracting the auxin in seaweeds with organic solvent, separating and purifying the auxin by ether extraction method and column chromatography has been established.
确立了以有机溶剂提取海藻中的生长素，以乙醚萃取法和柱层析法对生长素进行分离纯化的方法。
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。
This paper is to discuss the feasibility of refining taurine in the extract of Meretrix meretrix by column chromatography and determination of taurine by spectrophotometry.
作者主要探索用离子交换树脂柱析法提纯文蛤提取液中牛磺酸及用吸收光谱法测定牛磺酸的可行性。
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。
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。
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: (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。
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）。
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。
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 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。
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。
Method the compounds were isolated by column chromatography and purified by recrystallization and the structures were identified by NMR spectral data and other methods.
方法通过反复柱色谱分离和重结晶纯化，并利用核磁共振波谱技术进行结构鉴定。
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: 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。
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。
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。
Methods: to isolate the alkaloids, the solvent-extraction together with the column, chromatography and thin-layer chromatography methods were used.
方法：采用了溶媒分离法结合柱层析法、薄层层析法进行成分分离。
Methods: to isolate the alkaloids, the solvent-extraction together with the column, chromatography and thin-layer chromatography methods were used.
方法：采用了溶媒分离法结合柱层析法、薄层层析法进行成分分离。
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