查询词典 chromatographic

MethodsChromatographic fingerprint of Amomum villosum,Amomum chinense and Alpinia zerumbet was determined by RP-HPLC and the gradient elution mode was applied in chromatographic separation,data were analyzed by Fingerprint Similarity Evalution Software to compare the similarity of samples.

目的建立砂仁及其混淆品的高效液相色谱指纹图谱鉴定方法方法采用RP-HPLC法，梯度洗脱，测定阳春砂、海南假砂仁及艳山姜的指纹图谱，并作相似度比较分析。

Chromatographic fingerprints of amomum tsao-ko in different places were determined by GC-MS, and analyzed by fingerprint similarity evaluation software.

采用GC-MS方法建立草果挥发油指纹图谱，探讨气相色谱－质谱连用技术在草果挥发油质量控制方面应用的可行性。

By chromatographic techniques. On the basis of physico-chemical properties and spectral data, they were identified as α-amyrin,α-amyrin acetate, 27-hydroxy-α-amyrin,β-amyrin,β-amyrin acetate, ursolic acid,β-sitosterol, dauricine, emodin.

中分离得到9个化合物，通过理化性质和光谱分析，分别鉴定为：α-香树脂醇，α-香树脂醇乙酸酯，27-羟基－α-香树脂醇，β-香树脂醇，β-香树脂醇乙酸醇，熊果酸，β-谷甾醇，β-胡萝卜甙，大黄素。

The method takes microcrystalline cellulose as affinity column chromatographic medium of Beta-glucosaccharase; under low temperature and anacid condition, the sample of Beta-glucosaccharase is loaded and specifically adsorbed to the microcrystalline column, and then the concentration of NaCl is increased to elute the enzyme, so as to achieve high-efficient and economic separation and purification.

本方法以微晶纤维素作为β-葡萄糖苷酶的亲和柱层析介质，在低温和微酸性条件下，将β-葡萄糖苷酶上样并特异性吸附于微晶纤维素柱，然后再通过增加NaCl浓度的方法将该酶洗脱，从而达到其高效而经济分离纯化的目的。

MethodsThe methanol extracts of the pericarp of Arnebia euchroma oil extract were separated with various chromatography technologies to produce some pure compounds and their structures were elucidated by spectroscopic and chromatographic methods.

方法利用色谱法对中药紫草油膏中的化学成分进行分离；利用核磁共振、质谱波谱方法对分离得到的单体化合物进行结构鉴定。

MethodsThe methanol extracts of the pericarp of Arnebia euchroma oil extract were separated with various chromatography technologies to produce some pure compounds and their structures were elucidated by spectroscopic and chromatographic methods.

方法利用色谱法对中药紫草油膏中的化学成分进行分离；利用核磁共振、谱波谱方法对分离得到的单体化合物进行结构鉴定。

Objective To establish the chromatographic fingerprint analysis for the quality control of Radix Astragali.

摘要目的建立黄芪药材的高效液相色谱指纹图谱，研究不同产地黄芪药材的质量，建立评价黄芪质量优劣的色谱指纹图谱分析方法。

Under the selected chromatographic operation conditions, the 2,2'-Dihydroxy-1,1'-binaphthyl, 2-Naphthol and other impurities could be separated efficiently.

在选定的色谱条件下，1，1'-联－2-萘酚和2-萘酚等杂质之间具有较好的分离效果。

The industrialization of the hybrid process of bioreaction accompanied with chromatographic separation was also explored, where much attention was paid to the use of continuous annular chromatography .

对生物反应液相色谱分离耦合过程的工业化前景进行了探讨，强调了采用伴有生物反应的连续环状色谱过程的可行性。

It was confirmed that the analogous relations between unsteady one-dimensional chromatographic process and steady two-dimensional CAC process proposed by Wankat still exist regardless of the bioreaction, and the analogous results were shown. A mathematical relation between the feed and the eluant flowrates was established for keeping the CAC in good operation. The optimization of the hybrid process were also discussed.

从理论上指出了在伴有生物反应时，二维稳态CAC过程与一维非稳态间歇色谱过程仍然存在类比关系，并给出了类比结果，推导了使CAC过程处于良好操作状态时进料及洗脱速率应满足的数学关系，对于生物反应液相色谱分离耦合过程的优化原则也进行了初步探讨。

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。