查询词典 chromatography

The pyrene biodegradation with the initial pH value equaling to 6.00 by a Bacillus sp.CN2 or a Flavobacterium sp.CN4 was investigated by carefully designed solvent exaction experiments, by Thin layer chromatography and UV-spectrophotometry analysis.

通过溶剂萃取、薄层色谱和紫外分光光度法研究了一株芽胞杆菌CN2和一株黄杆菌CN4在初始pH=6.00的条件下对芘的降解过程。

Objective To extract the plasma membrane proteins from mouse liver cells and investigate the approach for fractionating the protein mixtures by two-dimensional liquid chromatography.

目的 提取小鼠肝脏细胞质膜蛋白并建立一种利用二维液相色谱法分离细胞质膜蛋白质组的方法。

A method to determine micro amount of meleic acid in fumaric acid is described, and the results confirmed by gas chromatography.

本文研究了反丁烯二酸试样中微量顺丁烯二酸的测定方法。

The chromatographic fingerprint of Gentiana straminea Maxim in Qingzang plateau was established by high performance liquid chromatography.

利用高效液相色谱法建立了青藏高原秦艽的色谱指纹图谱。

The contents of these compounds in nine Gentianaceae plants found in Qinghai-Tibet plateau were determined by reversed-phase high performance liquid chromatography.

所用色谱柱为Supelco INC C18柱(150 mmX1.5 mm i.d。， 5 μm)；在选定的色谱条件下每种成分在各自的浓度范围内均具有较好

The invention clones geranyl pyrophosphate synthase GGPPS gene from the ginkgo to construct plant expression vectors which contain ggpps gene, the ggpps gene is inducted into immature embryos of the ginkgo to induct out the callus tissue by the mediating of agrobacterium tumefaciens, PCR and semiquantitative RT-PCR detect the conformation and expression status of exogenous target gene ggpps, high-performance liquid chromatography and an evaporative light-scattering detector are employed to determine the terpene lactones content inside the callus tissue of the ginkgo, and the obtained callus tissue of the ginkgo of which the terpene lactones content is increased is screened.

本发明从银杏中克隆香叶基香叶基焦磷酸合成酶GGPPS基因，构建含ggpps基因的植物表达载体，用根癌农杆菌介导，将ggpps基因导入银杏幼胚并诱导出愈伤组织，PCR和半定量RT-PCR检测外源目的基因ggpps的整合和表达情况，高效液相色谱法及蒸发光散射检测器测定银杏愈伤组织中萜内酯含量，筛选获得银杏萜内酯含量提高的转基因银杏愈伤组织。

In the second part, an HPLC (High Performance Liquid Chromatography) was developped to analyze the active pharmacological ingredients in fresh and dry ginger capable of separating zingerone, [6]-gingerol and [6]-shogaol within 65 minutes. Using the above method, our study conducted an analysis on 10 batches of fresh and dry ginger sold on the market.

本研究利用前述分析法，对市售生姜与乾姜各10批进行分析，结果显示，生姜中无zingerone，[6]- gingerol的含量为1.63至2.82 mg/g，[6]-shogaol的含量为0.089至0.120 mg/g，[6]- gingerol平均含量远高於[6]-shogaol，约为20倍左右。

The comparison studies on gossypol of different genetic types of pigment gland in the seeds of cotton newly bred, including the special and common glandless and glanded ones, was conducted through highperformance liquid chromatography on a C18 Column with methanol 0.5% acetic acid aqueous solution, 90∶10 as mobile phase at a flow rate of 0.8mL·min-1 and UV detection at 254 nm.

运用高效液相方法对新近育成的特殊和普通的无腺体陆地棉及特殊和普通的有腺体陆地棉及海岛棉等多种遗传类型品种材料的棉酚含量进行了比较研究。实验以一反向C18色谱柱为固定相，甲醇 0.5%的醋酸90∶10为流动相，流速为0.8mL·min-1，建立了分离度好、准确而快速的棉酚HPLC测定方法：其最低检测限量3×10-6g/mL-1，精密度和准确度均小于10%，回收率为100.4%～103.2%。

The change of α1,2-FT activity in the cell line before and after the tranfection was confirmed by the determination of enzymatic activity. The changes of cell lipid and glucolipid, especially the change of type Ⅱ oligosaccharide, in the cell line before and after the transfection was determined by Thin-Layer Chromatography and TLC immunostaining method, respectively.

通过酶活性测定证明转染前后细胞系α1，2-FT活性的改变，采用薄层层析、薄层层析免疫染色方法测定转染前后细胞脂质及糖脂，特别是Ⅱ型寡糖的变化。

A new method for simultaneous determination of Calcium Glycerophosphate by using eluent generator ion chromatography has been described.

采用离子色谱法测定牙膏中的甘油磷酸钙含量。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。