查询词典 chromatographic

The results show that glycoluril and HOCB6 are excellent packing materials with wide operational temperature, outstanding thermostability and chromatographic repeatability.

结果表明，甘脲和HOCB6都是良好的气相色谱固定相，热稳定性高，柱性能稳定。

Ten batches of Cortex Moutan Carbonisatum were measured by HPLC with Paeonol as a reference substance and the HPLC analysis was performed on a Hedera ODS-3 Chromatographic Column(4.6 mm×150 mm,5 μm),with methanol to Acetonitrile(1∶1) and 0.5‰ trifluoroacetic acid solution as mobile phase in gradie...

以丹皮酚为参照物，对10批丹皮炭进行指纹图谱的分析。结果：建立了丹皮炭饮片的HPLC指纹图谱共有模式，标定了11个共有峰，10批炭品的相似度在0.830~0.991。结论：该指纹图谱方法简便、准确、重复性好，可专属性地研究丹皮炭的指纹图谱，为有效地控制该饮片的内在质量提供了科学依据。

Ten batches of Cortex Moutan Carbonisatum were measured by HPLC with Paeonol as a reference substance and the HPLC analysis was performed on a Hedera ODS-3 Chromatographic Column (4.6 mm×150 mm, 5 μm), with methanol to Acetonitrile (1∶1) and 0.5‰ trifluoroacetic acid solution as mobile phase in gradient mode and the detection wavelength was at 258 nm.

采用Hedera ODS-3柱(4.6 mm×150 mm，5 μm)，流动相甲醇-乙腈(1∶1)-0.5‰三氟乙酸水，梯度洗脱，检测波长258 nm。

Investigation of major metabolic pathways of SFZ-47 in animals The metabolites of SFZ-47 in rabbit urine following oral administration were separated and detected with HPLC and LC-MS methods. On the basis of the chromatographic behavior and mass spectra of the metabolites as well as biotransformation pathways of drugs with the partial structure of SFZ-47, the hydroxylic derivative 4-(3H-1, 2- dihydro-1-pyrrolizinone-2-methylamino benzyl alcohol and the carboxylic derivative 4-(3H-1, 2-dihydro-1-pyrrolizinone-2-methylamino benzoic acid of SFZ-47 were proposed as two potential metabolites and were synthesized.

在动物体内主要代谢途径的确定用HPLC和LC-MS对家兔口服SFZ-47后尿中的代谢物进行了分离、检测，根据代谢产物的色谱和质谱行为以及与SFZ-47有类似结构部分的其它药物的代谢途径，推测其羟基衍生物[4-（3H-1，2-二氢-1-吡咯里嗪酮-2-甲基胺基）苯甲醇]与羧基衍生物[4-（3H-1，2-二氢-1-吡咯里嗪酮-2-甲基胺基）苯甲酸]是两种可能的代谢产物，遂用化学方法合成了这两种衍生物。

METHODS The methanol extract of the pericarp of Illicium temstroemioides was separated with various chromatographic techniques,and their structures were elucidated by physiochemical and spectral analysis.

利用核磁共振、质谱、红外等方法对分离得到的单体化合物进行结构鉴定。

The high-performace liquid chromatographic method was developed for determination of Aloin and Isobarbaloin in rabbit blood. A HPLC system equipment, a Merk LiChrospher 100 RP-18e column with the mobile phase consisted of methanol-water (50:50) and UV detection wavelength at 359nm. The internal standard was 7-hydroxycoumarin and follow rate was 1.0ml/min.

并首先开发出在家兔体内血浆中二个指标成分之高效液相层析分析法，使用Merk LiChrospher 100 RP-18为层析管柱，移动相为甲醇与水（50：50），内部标准品为7-羟基香豆素，在检测波长359nm，流速1.0 ml/min下，分别定量血浆检品与进行确效性的评估。

If acceptable chromatographic results cannot be achieved with isocratic elution, gradient elution can then be considered especially when the analytes exhibit great physical properties difference.

当分析成分性质差异过大，单一组成移动相之冲提条件下无法有效冲提时就应考虑梯度冲提的方式。

An ionic liquid (1-ethyl-3-methylimidazolium tetrafluoroborate, 1E-3MI-TFB) modified micellar electrokinetic capillary chromatographic method was developed to separate and determine isoquercitrin, chlorogenic acid and quercetin.

建立了一种离子液体（1-乙基－3-甲基咪唑四氟硼酸盐，1E-3MI-TFB）修饰毛细管胶束电动色谱法分离测定异槲皮甙、绿原酸和槲皮素的方法。

A reversed-phase high performance liquid chromatographic method was established for determination of isothiocyanates in human urine , which used the reaction of propyl isothiocyanate with 1,2-benzenedithiol as reference instead of the synthesis of 1,3-benzodithiole-2-thione.

省去合成1，3 苯二硫杂环五烯 2 硫酮这一步骤，直接用异硫氰酸丙基酯与1，2 苯二硫酚反应作标准，建立了尿液中异硫氰酸酯的反相高效液相色谱测定方法。

A capillary gas chromatographic method was established for determining acetaniprid residues in Lonicera japonic.

建立了啶虫脒在金银花中残留量的毛细管气相色谱检测方法。

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。