查询词典 spectrophotometry

Methods The dissolution of roxithromycin capsules was analyzed with spectrophotometry. The dissolutive parameters of different products were compared.

采用分光光度法测定罗红霉素胶囊的体外溶出度，并对溶出参数进行相关性分析。

The uncertainty of ozone concentration in air measured by indigo disulphonate spectrophotometry was assessed.

对靛蓝二磺酸钠分光光度法测定某工作场所空气中臭氧浓度的不确定度进行了评定。

The antifungal activities of these materials were investigated and build foundation to develop low poison plant antifungal products. In experiment, polyphenols were extracted by reflux ectraction method which applyed petroleum ether to degrease and methyl alcohol solvent. Phenolic hydroxyl were examined and inspected by colour-developing reaction and the content of total polyphenols was determined by UV-spectrophotometry. Screening test were performed to the antifungal activities of polyphenol extraction by the tube dilution method to the selected ten pathogenic fungus such as Dothiorella gregaria, Rhizoctonia solani, Phyllosticta pirina, and the minimal inhibitory concentration were measured. The column chromatography and thin layer chromatography were applyed to separate and analyse cortex extracts of Dracaena cochinchinensi Lour.

实验部分采用以石油醚脱脂，甲醇为溶剂的回流提取法来提取植物多酚，用显色反应检识酚羟基；采用紫外分光光度法对多酚粗体物进行总多酚含量的测定；选取了聚生小穴壳菌、立枯丝核菌、梨叶点霉等10株常见农林业致病真菌，采用试管液基稀释法对多酚粗提取物进行了抗真菌活性筛选试验，并测定其最低抑菌浓度；采用柱层析法和薄层层析法对其中抑菌效果较好的龙血竭进行分离分析，根据其中3种化合物的光谱数据UV、IR、~(13C-NMR、1H-NMR和MS鉴定其结构。

The decomposition of Elaeagnus angustifolia to nitrite was studied by spectrophotometry.

利用分光光度法研究了内蒙古地区沙生植物－沙枣对亚硝酸盐的分解作用。

A new method for determination of ellagic acid content by UV spectrophotometry was studied.

鞣花酸又名六羟基联苯二酸二内酯，是一种高附加值的林产精细化工品。

The Spectrophotometry method was used in experiment, the results is that the content of polyphenol is 14.8 mg/g in Jianshui's Elsholtzia bodineri Vaniot., which was higher than Shiping. The content of total flavones in the tea is 52.8 mg/g in Shiping, 43.9 mg/g in Jianshui.

通过分光光度法检测红河州两个县市野山茶茶水中的多酚类物质及总黄酮的含量，结果表明建水野山茶多酚类物质含量较高，为14.8 mg/g；石屏野山茶总黄酮较高，为52.8 mg/g。

Methhods:1:The chemical components of Chinese herbal medicines extracted with petroleum ether,chloroform, ethyl acetate,ethenol and water respectively were analyzed and compared.2.The specimens were analyzed with ultraviolet-visible absorption spectrophotometry.

(1)按中药多分子体系的脂溶性差异，分为石油醚、氯仿、乙酸乙脂、乙醇和水的溶出性成分集合，然后进行&对药&与非&对药&的对比分析；(2)用紫外-可见光光度计测定吸收光谱曲线。

ObjectiveTo establish a spectrophotometry method for determining the contents of ferrum in ferrous succinate tablets.

目的建立分光光度法测定琥珀酸亚铁片中铁的含量的方法。

A method for the determination of ferrum content in cobalt based alloy dust by Air-C 2 H 2 flame atomic absorption spectrophotometry was set up.

建立了一种用空气-乙炔火焰原子吸收法测定钴基合金喷粉中铁含量的分析方法，探讨了硅对铁测定的干扰机理，对用氯化钙作为硅干扰铁测定的释放剂进行了试验。

Blood lead concentrations were analyzed by seven participating laboratories, each used flameless atomic absorption spectrophotometry and followed the same protocols for BLL measurements.

每个受到实验室参考标准的样本处理分析程序，以石墨炉原子吸收光谱仪来测试血液样本中的铅含量，并需於收到测试样本两个星期内完成测试工作。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。