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The method is simple, sensitive and accurate, and could be applied to the pharmacokinetic study of kaempferol in rats.

所建方法简单、灵敏、准确可靠,可用于山奈酚的药物动力学研究。

Objective To develop an HPLC method for simultaneous determination of quercetin and kaempferol in Tetrastigmatis hemsleyani.

目的 建立同时测定三叶青中槲皮素和山奈酚的HPLC方法。

Objective: To study the optimun extraction methods of paeonol from cortex moutan.

目的:优选从牡丹皮中提取丹皮酚的最佳方法。

Objective: To determine the content of paeonol in Compound Cortex Moutan Decoction by high performance liquid chromatography method.

目的:运用高效液相色谱法检测复方丹皮汤中丹皮酚的含量。

The reaction conditions for synthesizing methylhydroquinone using p nitrotoluene and conc.H\-2SO\-4 in the presence of catalyst were studied experimentally with the uniform design method,and the major influencing factors were researched.

用均匀设计法实验研究了对硝基甲苯与浓硫酸在催化剂作用下合成甲基对苯二酚的反应条件,考察了各种影响因素。

Reparation of PBO was begun with the polymerization process in which composite salts that contained 4,6-diaminoresorcinol and terephthalic acid were dissolved in polyphosphoric acid and phosphorus pentoxide.

BO纤维制备:以4,6-二氨基间苯二酚的盐酸盐为单体原料,与对苯二甲酸混合,经过中和反应、脱色处理、干燥后制成复合盐;再以多聚磷酸为溶剂,添加五氧化二磷和抗氧化剂,经过预聚合反应制备出PBO聚合物;聚合物通过双螺杆挤出机进一步进行聚合,然后通过喷丝板挤出,在磷酸水溶液中凝固成型,经过洗涤、干燥等过程,最终卷绕成型。

The stability of polyphenols extracted from Sanguisorba offcinalis L. root was studied by ultrasonic wave technique, and the effects of ultrasonic extraction method and traditional extraction method were compared.

应用超声波技术对地榆根中多酚的提取及稳定性研究,并将超声波提取和传统提取方法进行比较。

The effect of excess sludge reduction by uncoupler of 2,4-dechlorophenol was studied using Sequencing Batch Reactor.

采用序批式活性污泥反应器试验研究了解偶联剂2,4-二氯酚的污泥减量化效果。

Objective: To observe the antioxidative protection of propofol with different solvents.

目的:观察不同溶剂异丙酚的抗氧化保护作用。

The optimal conditions of polyphenol extraction from grape seed by ultrasonic were studied.

研究利用超声波辅助提取葡萄籽中总多酚的最佳条件。

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