查询词典 chromatography

objective to established a high performance liquid chromatography for determination of indirubin content.

目的 建立三十六味消渴胶囊中的靛玉红的hplc测定方法。

Quercetin, quercetin rhamnoside, hyperin, syringoside and eleutheroside E wereisolated from the flower of Acanthopanax senticosus. Searching bioactive natural compound and establishing quality evaluation standard arefocused on this experiment. Using cold immersing of 70% methanol to extract from flower ofAcanthopanax senticosus and integrating macroporous resin, silica gel column chromatography,sephadex gel to abstract. We obtained five monomer compounds (compoundⅠ-compoundⅤ),quercetin, quercetin rhamnoside, hyperin, syringoside and eleutheroside E. That five compoundswere determined by HPLC in eight parts of Acanthopanax senticosus (flower, root, leaf fruit,shoot, new shoot, phloem of shoot, skin of shoot), which provide science bases for establishingquality evaluation system and settle infarctate foundation.

本文以从刺五加花蕾中寻找具有重要生物活性的天然化合物和建立质量评价标准为主要目的，对其化学成分进行研究，采用70％甲醇冷浸的方法对刺五加花蕾中的成分进行提取，运用大孔树脂吸附色谱法、硅胶柱层析法以及葡聚糖凝胶柱层析相结合的方法进行分离，得到5种单体化合物，分别为槲皮素、槲皮素鼠李糖苷、金丝桃苷、紫丁香苷和刺五加苷E；利用高效液相色谱法对这5种化合物在刺五加花蕾中的含量进行了测定；考察了8个部位(花蕾、根、叶、果、茎干、新枝、茎韧皮部、茎皮)中这5种化合物的含量分布情况，并作一比较，为今后建立刺五加质量评价体系提供了科学依据，奠定了坚实的基础。

The quantitative determination of inosine and inosinic acid was conducted by High Performance Liquid Chromatography.

采用高效液相色谱对风味酱中的肌苷、肌苷酸进行定量分析。

The quantitative determination of inosinic acid and inosine was conducted by high performance liquid chromatography.

采用高效液相色谱法对藏系绵羊肉中的肌苷、肌苷酸进行定量分析。

F. based on gas chromatography-mass spectrometer method. Essential oil from cultivated variety Inula racemosa Hook. f. was extracted by steam distillation and analyzed by applying GC-MS.

方法］采用水蒸气蒸馏法从藏木香栽培品种中提取挥发油，并用GC-MS联用仪对其挥发油的化学成分进行研究。

The purity of the 1-O-acetylbritannilactone product was 99.5%, which satisfies the need of reference substances of traditional Chinese medicines. A method of high performance liquid chromatography-evaporative light scattering detection is described for the determination of 1-O-acetylbritannilactone in Inula Britannica L.

以所制备的1-氧-乙酰大花旋覆花内酯为对照品，建立了用高效液相色谱-蒸发光散射检测器测定欧亚旋覆花中1-氧-乙酰大花旋覆花内酯含量的方法。

In this paper HPLC's inversed phase chromatography was used to analyze the products of compounds of flavonoid.

本文采用高效液相色谱法对类黄酮系列化合物进行了分析。

Methods Preparation of DRV type liposome;It is measured by ELISA and MTT,DTH response and inhibited tumor experiment in vivo.TBA,iodometric method,oxidative index and gas liquid chromatography.

改良的DRV型脂质体的制备；并用ELISA、MTT法、皮肤迟发型补肾过敏反应及整体的抑瘤试验；TBA法、碘值、氧化指数和气质联用分析法进行鉴定。

A separation model of ionizable and neutral enantiomer s with cyclodextrin-sodium dodecyl sulphate micellar electrokinetic chromatography was established.

建立了环糊精-十二烷基硫酸钠胶束电动色谱中可电高及电中性-光学异构体的分离模型。

ABSTRACT The ionic strength of mobile phase can significantly affect the peak shape of ionogenic compounds such as antibiotics in reversedphase high performance liquid chromatography.

在反相高效液相色谱过程中。流动相的离子强度可显著影响可解离的化合物如抗生素的色谱峰形，原因在于流动相的离子强度较低时，色谱填料的固定相易于过载。

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。