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- Keywords Ping guo Li;Pyrus pyrifolia nakai cv;Leaves;IAA oxidase;UV Vis spectrophotometry; 苹果梨;叶片;IAA氧化酶;紫外可见分光光度法;
- 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。
- VIS spectrophotometer and the relative density was calculated based on the measured values. 单乙醇胺作为稳定剂时,薄膜的致密度和择优取向最好。
- 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 .
- 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。
- The activity of POD,CAT,the contents of soluble protein,total sugar,MDA and chlorophyll in leaf were determined by 754 GW specord UV vis. 采用754GW紫外-可见分光光度计测定石斛叶中MDA，可溶性蛋白质、可溶性总糖及叶绿素含量；
- This methods include UV, VIS spectrophotometry, infrared spectrophotometry and thinlyer chromatography, gas chromatography, high performance liquid chromatography etc. 其中包括紫外分光光度法、可见分光光度法、红外分光光度法、薄层色谱法、高效液相色谱法等。
- The experiments of stability, UV VIS absorption, paper chromatography profile and amino acid composition analysis showed the new component is a polypeptide antibiotic. 精制品经过稳定性、呈色反应、紫外可见光谱、纸层析谱、氨基酸组成等检测，表明该物质是一种多肽类抗生素
- This paper analysed the reason for the breakdown of unstable absorbance reading of ultra - vis spectrophotometer in operation and suggested a method to eliminate it with illustration of examples. 本文对可见一紫外分光光度计在使用过程中出现的吸光度读数不稳的故障原因进行了分析,结合实例提出了排除这一故障的方法。
- UV VIS, IR spectra and colouration mechanism of the emerald from Malipo, Yunnan Province, are studied.The LRM, IR and UV VIS analytical testing techniques are employed in the research. 以云南祖母绿为研究对象,采用LRM,IR,UV-VIS等现代测试分析方法,重点对云南麻栗坡祖母绿的可见、红外吸收光谱及呈色机理进行研究。
- The TS 1/diatomite catalyst was prepared for the hydroxylation of phenol with H2O2 in a fixed bed reactor and the effect of pretreatment on the properties of TS 1/diatomite were studied with FT IR, XRD, UV Vis, ICP AES and NH3 TPD techniques. 以固定床催化苯酚羟基化制苯二酚为目标反应,制备了负载型TS-1/硅藻土催化剂。 运用FT-IR、XRD、UV-Vis、ICP-AES和NH3-TPD等表征手段,研究了预处理介质对TS-1/硅藻土催化剂物化和催化性能的影响。
- The UV VIS spectra showed that BR was totally denatured and lost its retinal under the pH 12 6. It was found by atom force microscope that the crystalline lattice of purple membrane was broken down at this pH. 紫外可见光谱实验发现 ,当pH上升到 12 6 ,BR分子上的生色团视黄醛脱落 ,分子完全变性 ;
- A new tetrakis( p glycylglycinephenyl)porphin and its rare earth (Yb,Sm) complexes were synthesized.They have been characterized by elemental analysis,UV vis,IR, 1HNMR and laser Raman spectra. 首次合成了一种新型的四（对甘氨酰甘氨酸）苯基卟吩及其稀土镱、钐的配合物。用元素分析、红外光谱、紫外可见光谱、核磁共振和激光拉曼光谱等方法进行了表征。
- Studies of The UV Vis Poly Functional Spectroelectrochemical Cell 紫外-可见多功能光谱电化学池的研制
- Content Determination of Curcuma Oil in Compound Econazole Gel by UV - VIS Spectrophotometry 紫外-可见分光光度法测定复方益康唑凝胶中莪术油的含量
- Determination of Enthalpy Change of Coordinating Color Reaction by UV Vis Absorption Spectrum Method 紫外-可见吸收光谱法测定配合显色反应的焓变
- Keywords in situ UV Vis spectroscopy;poly[pyrrolyl methines];dynamics of reaction; 原位紫外光谱;聚吡咯甲烯;反应动力学;
- Method: Spectrophotometer was used. 方法 :分光光度法。
- Keywords p hydroxyphenol derivatives;UV Vis absorption spectrum;Flourescent spectrum; 对羟基苯衍生物;紫外可见吸收光谱;荧光光谱;
