查询词典 chromatographic

Sol gel method ; capillary gas chromatographic column ; preparation ; free fatty acid ; amine ; polar compound

溶胶凝胶法；毛细管气相色谱柱；制备；游离脂肪酸；胺；极性化合物

Objective: To establish a reverse-phase high performance liquid chromatographic assay for the determination of vacomycin levels in rabbits aqueous humor.

目的：应用反相高效液相色谱技术，建立定量检测兔房水万古霉素的方法。

It is used to obtain saturated hydrocarbon and aromatic hydrocarbon before C9 through chromatographic analysis on reservoir samples with a temperature of 90℃.

该技术通过对储层样品进行90℃温度条件下的色谱分析得到C9以前的饱和烃及芳烃。

The relation of the chromatographic retention indices of alkene to topological index,double bond atomic hybridization state index,polarizability effect index of branched chain to double bond atomic,immobile liquid polarity values and column temperatureat different temperatures on different stationary phases was studied.

通过对部分烯烃在不同固定相不同柱温下的1031个样本集的气相色谱保留指数值与其部分参数关系的研究，发现RI与拓扑指数、双键原子杂化状态指数、支链对双键的极化效应指数、固定液极性值及柱温的关系可表示为：^RI=-58.138+57.7460Q-8.2591Q+0.120T+0.807CP+36.460PBD+7.919DHSI(R=0.9989)继以留一法(Leave-one-out，LOO)进行交互检验，相关系数RCV=0.9977，说明所建模型具有良好的稳定性和预测能力，较好地揭示了烯烃类化合物气相色谱保留指数RI随固定相极性、柱温的改变而变化的规律

According to the literatures and our experiments, appropriate conditions for the reaction of C60 with alkyl azide and the separation of adducts were obtained. The relationship between the structure and the chromatographic polarity of the products was also summarized.

根据文献报道和实验总结出了富勒烯与烷基叠氮化合物的反应条件和产物的分离条件，并对化合物结构与色谱极性的关系作了归纳总结。

Benzene-acetone (4:1,V/V)was used as developing agent to soparate amidopyrine and barbitone from the compound amidopyrine injection solution on the silica G plate,and Dual wave thin-layer chromatographic densitometry was used to determine amidopyrine (λ_s = 270nm,λ_R=340nm)and barbitone (λ_x=205nm,λ_R=320nm).

以苯-丙酮(4：1，V/V)为展开剂，在薄层硅胶板上将复方氨基比林注射液中的氨基比林和巴比妥分离后，通过双波长扫描测出氨基比林(λ_s=270nm，λ_R=300nm)和巴比妥(λ_s=205nm，λ_R=320nm)的含量

Two ionpair chromatographic methods for the determination of chromium in basic sample solution s are described in this paper.

提出了两种测定碱性样品溶液中铬的离子对色谱方法。

The liquid chromatography can be subdivided into high performance chromatography and several chromatographic methods running under normal pressure.

液相有可以细分为高效液相方法和几种常压的液相方法。

A reversed-phase high performance liquid chromatographic method has been developed for the determination of amoxicillin residue in beeves .

建立了反相高效液相色谱分析牛肉样品中阿莫西林残留量的方法。

In this paper,the detailed preparation process of gas chromatographic column for separating benzene series was introduced,the optimum column temperature and flow rate of carried gas were selected for separation the mixture of cyclohexane,benzene and toluene,and the column performance has been studied in respects to column efficiency and separating size.

本文主要介绍了气相色谱柱的详细制备过程，并以环已烷、苯和甲苯的混合物的分离为例，选择了最佳的操作条件。同时从柱效率和分离度两方面考察了该色谱柱的柱性能。

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。