The UV spectrum most resembled that of the aromatic tropylium ion.
紫外光谱与芳香族对苯二酚离子的光谱最相似。
The complexes were characterized by IR and UV spectrum.
用红外图谱与紫外光谱表征配合物的结构。
Were observed by microscope and analyzed by TLC and UV spectrum.
并用薄层色谱及紫外吸收光谱进行了鉴定。
The structure of the product was characterized by IR and UV spectrum analysis.
用红外光谱及紫外光谱对产品结构进行了表征。
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。
Results:Protein viscosity, TLC and UV spectrum were obviously different between Baibiandou and its variants.
结果:白扁豆及其变种的蛋白粘度、薄层色谱及紫外光谱均有明显差异。
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。
Method: Characters of crude drugs, microscopic characteristic as well as UV spectrum of the herb were studied.
结果观察和描述一叶草的性状,根、根茎、叶的组织构造和全草粉末的显微特征。
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。
RESULTS TLC chromatogram and UV spectrum of Yukexin capsule content were same as the hyperoside standard sample.
结果:郁可欣胶囊内容物薄层色谱、紫外光谱与对照品金丝桃苷基本一致。
Its UV spectrum and Fluorescence spectrum are studied. The relationship between structure and property is discussed.
研究了它的紫外光谱和荧光光谱方面的性质,并对其结构和性质的关系进行了初步的探讨。
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。
Results The UV spectrum of the two herbal drugs gave different maximum absorption peaks both in number and intendities.
结果半夏及其伪品水半夏水浸液的紫外谱线组图像、最大吸收峰数目及峰位值具有明显差异。
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。
This provides basis for analyzing the quality of fluecured tobacco leaf by UV spectrum, and that classifying fluecured tobacco leaf by spectral method.
这为用紫外—可见光谱来对烤烟烟叶品质进行分析,进而进行烟叶光谱分级提供了理论依据。
TP was analyzed by UV spectrum and HPLC. The result showed that green tea was treated by microwave in a short time, the structure of TP was changed little.
采用紫外、高效液相色谱对微波提取物进行了定性分析并与标准谱图对照,结果表明微波短时处理茶叶,茶多酚的化学结构无明显变化。
A method of fuzzy clustering analysis is used to classify and file away the spectra and thus a UV spectrum datum bank of common organic toxicants is set up.
然后用模糊聚类分析方法分类存贮标准光谱,建立常见有机毒物多溶剂下uv图谱库。
The content determined by acid-base titration was higher than those by UV spectrum and sodium nitrite, but they didn't have statistical significance(P0.05).
结果酸碱直接滴定法测得的结果比亚硝酸钠法、紫外分光光度法测得的结果偏高,但无统计学差异(P〉0.05)。
The extraction was analyzed by HPLC, and was separated by column chromatography ulteriorly. The crystal was identified by IR spectrum, UV spectrum, NMR, et al.
将萃取所得产物用硅胶柱色谱进一步分离,用红外光谱,紫外光谱和核磁共振光谱等手段鉴定所得结晶。
Objective: the effects of the different environment conditions and the subsidiary-color substance on the stability of the mock strawberry fruit at the UV spectrum.
目的:研究不同环境条件及辅色物质对蛇莓果实色素在紫外和可见光区的稳定性的影响。
Method: To determine the dissolution of the rifampicin gastric capsules by UV spectrum method and the release of rifampicin micro pill capsules by HPLC respectively.
方法:用高效液相色谱法与紫外分光光度法分别同时测定利福平胃溶胶囊的溶出度与利福平微丸胶囊的释放度。
The standard of identification: it has been identified according to physiochemistry, UV spectrum, molecular weight, Chromatographic Fingerprints and amino acid analysis.
鉴别和检查指标标准:通过理化性质、紫外光谱、分子量指标、指纹图谱、水解氨基酸指标五部分进行确定。
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。
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。
In this paper, the technological conditions of extraction and purification of flavonoids from asparagus was studied. Then flavonoids were proved to be flavonol by color reaction and UV spectrum.
本文以芦笋为材料,研究了芦笋中黄酮类化合物的提取工艺条件及其纯化方法,并通过颜色反应法,紫外吸收光谱法来初步鉴定芦笋中的黄酮类化合物。
He suggests choosing a broad-spectrum sunscreen, which blocks both types of UV rays, UVA and UVB, with an SPF of at least 30.
选择一款能够阻挡UVA和UVB两种射线的广谱防晒产品吧,切记SPF值要至少达到30以上。
Analysis by UV-visible spectrum and HPLC indicates that there are a series of intermediate products generated in aniline degradation, and the final products are small molecule inorganics.
紫外—可见光谱、高效液相色谱的分析表明,苯胺降解过程中有一系列中间产物生成,最终被矿化成小分子无机物。
METHODS Based on UV convolution spectrum with PLS method, we used convolution spectrometry of computer information process technology.
方法以紫外褶合光谱为基础,结合PLS法,利用计算机信息处理技术的褶合曲线分析法。
METHODS Based on UV convolution spectrum with PLS method, we used convolution spectrometry of computer information process technology.
方法以紫外褶合光谱为基础,结合PLS法,利用计算机信息处理技术的褶合曲线分析法。
应用推荐