The results show that there is hypochromic effect on the subtract UV spectrum and quenching of fluorescence intensity of riboflavin with increase of concentration of DNA. 研究结果表明,随着DNA浓度增加,核黄素产生紫外光谱减色效应及荧光猝灭效应。
The Study of the Property of Lomefloxacin UV Spectrum in Acid Media and Its Application 洛美沙星在酸性介质中的紫外光谱性质的研究及应用
Use chloroform, petroleum ether and absolute alcohol as extract, and set out the extractive with UV spectrum. 方法:用氯仿、石油醚、无水乙醇三种常用溶剂做提取液,提取物用紫外光谱法测定。
The UV spectrum study and trace element analysis of one anticancer folk prescription 一剂抗癌偏方成药及其主料的紫外光谱研究和微量元素分析
UV Spectrum analysis showed that the conjugation ratio of T-2 toxin to BSA was6.66 ∶ 1 and that to OVA was10.11 ∶ 1, indicating this antigen could be used to immunize animals. 紫外扫描分析表明,T-2毒素与牛血清白蛋白的偶联比为6.66∶1、与卵清蛋白的偶联比为10.11∶1,表明此完全抗原能够用于免疫动物。
The effects of ethanolamine circulation on separating highly pure lignin were studied by GPC, IR spectrum and UV spectrum. 利用凝胶色谱、红外光谱、紫外光谱研究了乙醇胺循环法对高纯木素分离的影响。
Study on the UV spectrum found: Zn2+ led to the increase of the maximal ultraviolet absorption peak; 研究这些物质对酶的紫外光谱的影响,结果表明:随zn2+浓度增加,酶的紫外吸收峰位置不变,强度增加;
The brown pigment of cotton seeds coat was extracted and purified initially in this paper. There are two absorption peaks ( 231nm, 278nm) in its UV spectrum. 首次从棉籽壳中提取和纯化了一种新的棕色素,紫外-可见光谱测定表明:该色素有两个明显的吸收峰,分别是231nm和278nm;
In this paper, analysis methods of residual monomers in copolymer PDA which were self-prepared in laboratory were studied by using UV spectrum and capacity titration. 以自制的共聚物PDA胶体为原样,采用紫外分光光度法和容量法,对共聚物PDA中残余单体分析方法进行了探索研究。
Hydrolysis kinetics of Schiff base compounds were studied in an aqueous solution by the UV spectrum and HPLC methods. 利用紫外光谱法和高效液相色谱法探讨了此类希夫碱化合物的水解动力学。
The UV spectrum of DNA is observed, and the molecular mechanism of DNA strand breaks induced by laser radiation discussed. 测定了DNA的UV谱,讨论了激光辐照导致DNA链断裂的分子机制。
METHODS: The method of first derivative UV spectrum was established and compared with HPLC assay. 方法:采用一阶导数紫外光谱法,并与高效液相色谱法(HPLC)进行了比较。
Application of UV spectrum Cluster Analysis to the Research of Traditional Chinese Medicine 紫外光谱聚类分析在中药研究中的应用
The acetylene flame UV spectrum was measured and the flame temperature was calculated. 测量了乙炔燃烧火焰的紫外辐射光谱,计算出乙炔燃烧火焰的温度。
There are two apparent absorption peaks in the UV spectrum of the complex. 紫外光谱出现两个明显的吸收峰;
CSCM are primarily described by scanning electron microscopy, UV spectrum, IR spectrum and Elemental analysis. 并通过扫描电镜、紫外和红外光谱、元素分析对CSCM的结构进行了初步表征。
Using INDO/ CI method we have studied the electronic structure, UV spectrum, excited states of Ni-Porphyrin and suggest a micromechanism of reverse saturable absorption of Ni-porphyrin molecule theoretically. 用INDO/CI方法研究了卟啉镍分子的电子结构、紫外光谱、激发态,并从理论上指出卟啉镍分子存在反饱和吸收的微观机制。
Firstly, it is studied that the chemical structures and thermal properties of wheat straw Soda-AQ alkaline lignin and oxygen alkaline lignin by IR spectrum, UV spectrum, 'H-NMR, 13C-NMR, DSC and TGA. 首先,利用红外光谱、紫外光谱、~1H-NMR、~(13)C-NMR等对麦草Soda-AQ碱木素和麦草氧碱木素的化学结构和热性质进行了研究。
Methods: Baibiandou and its variants were comparatively distinguished by protein viscosity, TLC and UV spectrum. 方法:用蛋白粘度、薄层色谱及紫外光谱对白扁豆及其变种进行了比较鉴别。
The chiral recognition of the derivatives to amino acids were also investigated by UV spectrum. 并应用紫外可见吸收光谱研究了这些手性杯芳烃衍生物对氨基酸的手性识别作用。
IR and UV Spectrum Characteristic of Methoxy Substituted benzoyl-PMP 甲氧基取代苯甲酰PMP的红外和紫外光谱特征
Using methyl-orange or congo-red as simulated pollutant in the reaction system with Ti/ Sn 、 Sb oxide as anode. Their degradation process is revealed with the technique of UV spectrum and TOC determination test. 在Ti/Sn、Sb氧化物作阳极的反应体系中,以甲基橙和刚果红为模拟污染物,用紫外光谱和TOC测试揭示了其降解历程。
The amino acid and UV spectrum analyses were made to confirm the composition of the soluble collagen. 对胶原材料的氨基酸分析和紫外吸收光谱分析,证实了可溶性胶原的结构和氨基酸组成。
The structure of sucrose selenite was characterized and analyzed by Fourier Infrared Spectrophotometry and UV Spectrum. And we made the stability study of sucrose selenite. Preliminary demonstration showed its molecule structure had the selenite group. 3. 对蔗糖亚硒酸酯的结构进行了红外光谱和紫外光谱的表征和分析,并对其稳定性进行了研究,初步推断了蔗糖亚硒酸酯硒氧键的连接方式。
We characterized these compounds by IR/ UV spectrum and thermal analysis. 同时我们通过红外光谱/紫外光谱和热分析的测定对这些结构进行了最基本的表征。
Different solvents on the UV spectrum of synthetic materials, single-photon fluorescence, two-photon fluorescence spectra and quantum yield and absorption cross section have been investigated and the solvatochromism has been studied. The relationships between structure and property are discussed in this paper. 详细的讨论了不同极性的溶剂对所合成材料的紫外光谱、单光子荧光光谱、双光子荧光光谱以及量子产率和吸收截面的影响。
Simultaneously, the advanced analytic technology of SEM, X-ray diffraction spectrum, UV spectrum, IR spectrum as well as XPS were used to analyze the microcosmic of explosion pulp. 实验还利用扫描电镜、X&射线衍射、紫外光谱、红外光谱及XPS电化学分析能谱等现代分析手段进行了爆破法制浆的微观研究。
The UV spectrum and fluorescence spectrum properties of carbazolyl porphyrins were investigated. 在第三部分工作的基础上,对所合成的咔唑卟啉进行了紫外光谱和荧光性能研究。
It introduces a multi-parameters water analysis instrument based on the theory of UV spectrum analysis. 介绍了一个以紫外光谱分析为原理多参数水质分析仪。