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- Their structures have been characterized by UV Vis,IR, 1HNMR and MS spectra. 它们的结构分别用紫外可见光谱、核磁共振谱、红外光谱和质谱进行了表征。
- chromatogram analyzer 色谱分析器
- vis-UV chromatogram analyzer 可见光紫外光色谱分析器
- visual-UV chromatogram analyzer 可见紫外色谱分析器
- The PUIs obtained were characterized by FTIR spectroscopy, UV Vis spectroscopy, DSC and TGA. 用红外光谱、紫外 -可见光谱、DSC和 TGA等手段对合成的 PUI进行表征 .
- The relationship between the stop band of colloidal crystals and the diameters of polymer microspheres were investigated by using UV Vis spectra. 利用紫外 -可见光谱研究了胶体晶的光禁带峰位与组成其微球粒径之间的关系 .
- VIS, temporarily reduce to1 km in rain showers. 在阵雨中能见度短时减小到一公里。
- Methods Using macroporous resin column chromatogram,to get 60% ethanol fraction.Using UV spectrum to determine the flavonoid of this part. 方法采用大孔吸附树脂富集,60%25乙醇洗脱,得总黄酮,采用紫外分光光度法进行含量测定。
- An instrument that produces a chromatogram. 色谱仪产生色谱的仪器
- VIS, temporarily reduce to 1km in rain showers. 在阵雨中能见度短时减小到一公里。
- As melanin encounters UV light, it turns brown. 黑色素遭遇到紫外光后变成褐色。
- Pyrethrum cinerariifolium (Trey.) Vis. 白花除虫菊
- Mannose methyl fumarate with 3.2 DE was analyzed by UV spectrum, IR spectrum, Thin-layer chromatogram and Element analysis to assure its structure. 反丁烯二酸甘露糖甲酯经紫外光谱分析、红外光谱分析、薄层层析分离、元素分析,确认了其结构和混和组成,并给出了抗过敏性、溶解性等物化性质。
- By IR spectrum, Tyndall effect, electric conductivity, UV Vis and ESR spectra were studied the reaction mechanism of catalyst components. 已知在加氢汽油介质中Ni(naph)2-Al(i-Bu)3-(BF3·OEt2+n-C8H17OH)体系为胶体催化剂。 本工作应用FT-IR谱结合Tyndal效应、电导率、UV-Vis、ESR谱对催化剂各组分的相互作用进行研究。
- Diurnal variation of UV Index on a sunny day. 在阳光充沛的日子里,紫外线指数的日际变化。
- Why do my eyes need UV protection? 为何眼睛也要避免紫外光?
- Deterioration effect of UV exposure. 紫外光曝晒下劣化效果。
- The analyzer unit consists of two enclosures. 分析单元由二部分组成。
- Take away the UV glow, and the thrill is gone. 拿走紫外线辉光、笳消失。
- TSMC currently owns approximately a 26.8% stake in VIS. 台积电当前对世界先进的持股量为26.;8%25。