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The article presents a simultaneous determination method for three kinds of water-soluble dyes: acid red, acid brown and acid black by solving simultaneous equations using a UV-VIS spectrophotometer.

介绍了利用解联立方程组的方法，在紫外可见分光光度计上实现了对酸性红、酸性棕和酸性黑的混合染料中三种成分浓度的同时测定。

The pH effect on the interaction between aloe-emodin and DNA was studied by UV-Vis spectrometry and cyclic voltammetry.

用紫外光谱法和循环伏安法研究了溶液pH值对芦荟大黄素与DNA之间相互作用方式的影响。

These methods include a photocatalytic degradation of methyl orange solution-spectrophotometric method to measure the degradation rate of organic matter by self-cleaning glass, a UV-Vis spectrophotometric scanning procedure to measure the transmittance and a hydrophility measuring method by using a contact angle meter.

详细研究了用以表征自洁净玻璃主要性能的各种测定方法：采用紫外光辐照降解甲基橙－分光光度法测定自洁净玻璃对有机物的降解效率即光催化活性；利用紫外可见光分光光度计扫描测量其透过率光谱曲线；用接触角测定仪测量其样品表面的亲水性。

The microstructure, optical property, mechanical property, surface roughness, water-repellency, surface morphology are analyzed by Raman scattering spectroscopy, Fourier transforms infrared spectrometry, UV/Vis spectrophotometer, residual stress measurement, atomic force microscope, contact angle meter, optical microscope, and scanning electron microscopy, respectively.

并分别利用拉曼光谱仪、傅立叶转换红外光光谱仪、紫外/可见光光谱仪、残留应力量测系统、原子力显微镜、接触角试验、光学显微镜和扫描式电子显微镜分析与观察碳镀层的微结构、光学性质、机械性质、表面粗糙度、抗水气的能力和表面形态。

The electrochromic performance of the laterally configured ECD was characterized by in-situ UV-Vis spectroscopy. P3MeT ECD shows blue-red reversible changes, and PANI-ECD shows darkgreen-yellowgreen reversible changes.

采用电化学现场紫外-可见光谱法研究了侧面结构固态ECD的电致变色特性， P3MeT-ECD显示出蓝色和红色的可逆变化， PANI-ECD显示出墨绿色和黄绿色的可逆变化，同时采用P3MeT和PANI作变色材料的P3MeT-PANI-ECD可以实现红、蓝、墨绿和草绿多色变化。

Oil-soluble Ag2S nanoparticles surface-modified by dialkyldithiophosphate were prepared by chemical synthesis.The synthesized Ag2S nanoparticles were characterized by transmission electron microscopy,X-ray powder diffraction spectroscope and UV-vis spectrophotometer.The friction and wear tests were carried out by a DF-PM dynamic and static friction tester.

在水醇混合介质中，采用同阳离子共沉淀法合成了有机化合物表面修饰的Ag2S纳米微粒，在高速钢基底上制备成膜，研究了它的摩擦学特性。

The samples were characterized by XRD、TEM、XPS and UV-VIS diffraction spectrum.

Ce4+掺杂TiO2纳米光催化剂的制备及反应活性研究用简单的水热方法制备了Ce4+掺杂的锐钛矿和金红石相TiO2样品，并对其光催化活性进行了考察。

The rutile TiO2 powder photocatalyst was prepared by hydrolysis process, and it was coated with WO3 by dipping process using tetrabutyl titanate (C16H36O4Ti) as raw material. The catalysts were characterized by XRD, Raman spectra, TEM and diffuse reflectance UV-Vis spectra.

以钛酸丁酯为钛源，采用水解法制备金红石型TiO2粉体，用浸渍法将制备的TiO2粉体包覆不同浓度的WO3（记为WO3-TiO2），并采用X射线衍射、拉曼光谱、透射电镜和紫外－可见漫反射光谱等手段对所得的光催化剂进行了表征。

The rutile TiO2 powder photocatalyst was prepared by hydrolysis process, and it was coated with WO3 by dipping process using tetrabutyl titanate(C16H36O4Ti) as raw material. The catalysts were characterized by XRD, Raman spectra, TEM and diffuse reflectance UV-Vis spectra.

摘 要：以钛酸丁酯为钛源，采用水解法制备金红石型TiO2粉体，用浸渍法将制备的TiO2粉体包覆不同浓度的WO3(记为WO3-TiO2)，并采用X射线衍射、拉曼光谱、透射电镜和紫外可见漫反射光谱等手段对所得的光催化剂进行了表征。

Papain was modified using different anhydrides. The average ratio of modified-NH2 was tested by a trinitrobenzenesulfonic acid method. The native and modified papain samples were purified by dialysis and their structures were characterized by UV and IR.

用不同酸酐对木瓜蛋白酶进行化学修饰，以三硝基苯磺酸法测定修饰酶的平均氨基修饰度，对修饰前后的木瓜蛋白酶分别纯化并通过UV-vis和IR对其结构进行了表征。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！