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

采用分光光度法測定羅紅霉素膠囊的體外溶出度，并對溶出參數(shù)進行相關性分析性免费网站日韩。

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

對靛藍二磺酸鈉分光光度法測定某工作場所空氣中臭氧濃度的不確定度進行了評定AAAAA级黄色片。

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.

實驗部分采用以石油醚脫脂AV美女激情在线，甲醇為溶劑的回流提取法來提取植物多酚中文字幕第1页中文字幕在线，用顯色反應檢識酚羥基色色的永久网站；采用紫外分光光度法對多酚粗體物進行總多酚含量的測定；選取了聚生小穴殼菌WWW人人操人人干、立枯絲核菌肏屄毛片免费看、梨葉點霉等10株常見農林業(yè)致病真菌，采用試管液基稀釋法對多酚粗提取物進行了抗真菌活性篩選試驗黄色网站三级片要爱网，并測定其最低抑菌濃度性爱一级高清无码视频；采用柱層析法和薄層層析法對其中抑菌效果較好的龍血竭進行分離分析，根據(jù)其中3種化合物的光譜數(shù)據(jù)UV免费黄色黄色、IRk8经典网性饥渴少妇、~(13C-NMR、1H-NMR和MS鑒定其結構国产色字幕手机在线。

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

利用分光光度法研究了內蒙古地區(qū)沙生植物－沙棗對亞硝酸鹽的分解作用久久视屏性爱AV。

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

鞣花酸又名六羥基聯(lián)苯二酸二內酯，是一種高附加值的林產(chǎn)精細化工品国产偷情在线。

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.

通過分光光度法檢測紅河州兩個縣市野山茶茶水中的多酚類物質及總黃酮的含量性交黄色视频，結果表明建水野山茶多酚類物質含量較高，為14.8 mg/g日韩美女福利禁止观看网站视频免费；石屏野山茶總黃酮較高日韩福利微拍在线播放视频网站大全，為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)按中藥多分子體系的脂溶性差異看av网址，分為石油醚五月婷婷超碰在线、氯仿、乙酸乙脂谁有看毛片的网址、乙醇和水的溶出性成分集合一级A片久久久免费看，然后進行&對藥&與非&對藥&的對比分析；(2)用紫外-可見光光度計測定吸收光譜曲線日本人人操人人摸在线。

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

目的建立分光光度法測定琥珀酸亞鐵片中鐵的含量的方法亚洲图片综合。

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.

建立了一種用空氣-乙炔火焰原子吸收法測定鈷基合金噴粉中鐵含量的分析方法，探討了硅對鐵測定的干擾機理观看A片的网址，對用氯化鈣作為硅干擾鐵測定的釋放劑進行了試驗色老99在线精品。

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

每個受到實驗室參考標準的樣本處理分析程序，以石墨爐原子吸收光譜儀來測試血液樣本中的鉛含量国产在线视频一，并需於收到測試樣本兩個星期內完成測試工作婷婷五月天开心激情网。