Analytical procedures for the preparation of the filter used to Polarography, Spectrophotometric analysis and chromatographic analysis of the mutual interference components simultaneously.

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CONCLUSIONUsing ultraviolet spectrophotometry to detect total flavanone content in Potentilla discolor bunge is simple, accurate, and sensitive.

結(jié)論］采用紫外分光光度法測(cè)定翻白草中總黃酮的含量簡(jiǎn)便易行久热日韩视频免费无码AV，結(jié)果穩(wěn)定可靠户外露出网站。

80Pin using the world's first fully automated the spectrophotometry, and other production equipment, testing instruments to ensure product uniformity, stability of electrical properties.

采用世界第一的80pin全自動(dòng)分光機(jī)及其它生產(chǎn)設(shè)備欧美一级婬片A片免天堂、檢測(cè)儀器，保證產(chǎn)品均勻性亚洲巨制av剧情在线、電性穩(wěn)定性丰满的人妻一级毛片中文。

ObjectiveTo determine the total flavone content in Prunella vulgaris L. by VIS and UV Spectrophotometry.

目的研究可見(jiàn)光及紫外光分光光度法測(cè)定夏枯草中總黃酮含量的方法。

The content of total flavonoids and tannin in common purslane was determined with ethanol extraction and spectrophotometry method.

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MethodsThe flavonoids were extracted by ethanol from Baise's purslane with ultrasonic wave and ethanol extraction .

方法采用超聲波乙醇浸提法從百色馬齒莧中提取黃酮類物質(zhì)，對(duì)所提取的黃酮類物質(zhì)進(jìn)行驗(yàn)證99精品视频精品精品视频，并用分光光度法測(cè)定含量午夜成年人网站。

Based on the technique of radiate temperature measurement, the author designs a circuit of prismatic decomposition colorimetric radiate temperature measuring. A high resolution A/D converter and measurement range switch technology are adopted to resolve the problem that it has lower radiation power and lower signal sensitivity in the low-temperature stage, while higher signal amplitude and higher need of dynamic range in the high-temperature stage. The technique of the Black Body Furnace demarcates, digital calibration and the quartic curve fitting are applied to correct the sensor and improve its measurement precision.

3研究了輻射溫度測(cè)量技術(shù)，設(shè)計(jì)了棱鏡分光比色輻射溫度測(cè)量電路www.污黄视频在线看，使用高分辨率A／D轉(zhuǎn)換器和量程切換技術(shù)解決低溫段輻射能量小人人人澡人人人看人人人看、信號(hào)靈敏度低，而高溫段信號(hào)幅值大狂插乱捅，動(dòng)態(tài)范圍要求高的矛盾2021偷窥自拍亚洲，應(yīng)用黑體爐標(biāo)定技術(shù)和數(shù)字校準(zhǔn)方法以及4次擬合校正技術(shù)提高溫度測(cè)量精度。

To understand how to use differential centrifugation to separate organelle and biological molecular;microspectrophotometry;immunofluorescence technifue and immune electron microscopy;in situ hybridization; aser scanning confocal microscopy;the method to show the nucleic acid国产一线在线观看、protein1级黄色免费片、enzyme、glucide and lipid; negative staining; freeze etching and quick freeze deepetching; flow cytometry.

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According to the technologies it takes, the enzyme activity detecting approaches could be divided into spectrophotometric and radiochemical assays.

根據(jù)使用的手段可分為放射性同位素標(biāo)記法和分光光度法禁18在线观看免费视频。

The morphology and the size of EA-Agr MIPMs were observed by optics microscope photographs. The rebinding properties were tested by UV spectrophotometer and conductivity meter.

采用光學(xué)顯微鏡觀測(cè)了微球形貌與粒徑大小，采用電導(dǎo)率儀和UV 分光光度計(jì)檢測(cè)重結(jié)合實(shí)驗(yàn)中蛋白質(zhì)濃度的變化欧美性爱在线免费观看视频。