准确测定有机化合物的分子结构,对从分子水平去认识物质世界,推动近代有机化学的发展是十分重要的。采用现代仪器分析方法,可以快速、准确地测定有机化合物的分子结构。在有机化学中应用最广泛的测定分子结构的方法是四大光谱法:紫外光谱、红外光谱、核磁共振和质谱。紫外和可见光谱(ultraviolet and visible spectrum)简写为UV。
中国造纸杂志社-造纸;纸浆;制浆;行业;专家;设备 关键词: 硫酸盐竹浆;紫外光谱;红外光谱;凝胶渗透色谱;核磁共振波谱 [gap=2015]Key words: bamboo sulfate pulp;UV spectrum;FT-IR spectrum;GPC;NMR
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(四)紫外光谱 (Ultra Voilet Spectroscopy) 【特荐-PPT】,四,),紫外,光谱,ultra,voilet,spectroscopy,),特,荐,ppt 其它
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紫外光谱组法 UV spectrophotometry group ; Ultrviolet spectral line method
真空紫外光谱仪 vacuum ultraviolet spectrometer ; VUV Spectrometers
紫外光谱仪 UV spectrometer ; UV ; UVS ; [光] ultraviolet spectrometer
紫外光谱法 UVS ; ultra-violet ectroscopy ; ultraviolet spectroscopy ; Methods of ultraviolet spectrum
紫外光谱分析 USA ; UV-Vis ; ultraviolet spectral analysis ; uv spectra analysis
极紫外光谱成像仪 FUVSI
一阶导数紫外光谱法 First derivative of UV spectrum
大气紫外光谱辐射计 SAUVS
紫外光谱基本原理 principle of UV spectroscopy
UV-Vis was used to evaluate the encapsulation ability of the unimolecular nanocapsules to hydrophilic dyes.
用紫外光谱评价了纳米胶囊对染料的包裹能力。
参考来源 - 基于超支化聚合物制备单分子纳米胶囊及对其包裹客体能力的研究The complexes were characterized by elemental analysis, molar conductivity, IR,UV spectra, TG-DTA and H-NMR spectra.2.
并以元素分析、摩尔电导、热分析,红外光谱、紫外光谱和氢质子核磁共振谱给予确证。
参考来源 - 稀土与VBThe reaction process was determined by UV spectrum. The changing factors were investigated in the reaction process.
用紫外光谱监测反应的过程,考察了反应过程中的一些变化因素。
参考来源 - 低温等离子体技术在水溶液化学中的应用Through elemental analyses, infrared spectrum, ultraviolet spectrum, they were compared with the ligand and the possible co-ordinate atoms were guessed.
对这些配合物进行了元素分析、红外光谱、紫外光谱等测试,并将它们与配体的相关测试数据进行了比较,推测了它们的组成和可能的配位情况。
参考来源 - 手性双酰胺及其席夫碱配合物的合成研究The UV spectrum’s result indicated this polysaccharide component does not contain protein and other impurities.4.
紫外光谱结果表明该多糖组分不含蛋白质等杂质。
参考来源 - 天麻多糖的提取、纯化及活性研究Identification of compounds was achieved by comparing retention time values and UV spectra as well as spiking samples with reference compounds.
根据标准品、供试品和含标准品的供试品三者色谱图中相应色谱峰的保留时间和紫外光谱,对Extr-4和各SPE组分所含酚类化合物进行鉴定。
参考来源 - 异常黑胆质成熟剂活性组分及其抑制HL·2,447,543篇论文数据,部分数据来源于NoteExpress
紫外光谱与芳香族对苯二酚离子的光谱最相似。
The UV spectrum most resembled that of the aromatic tropylium ion.
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。
Results:Protein viscosity, TLC and UV spectrum were obviously different between Baibiandou and its variants.
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。
Methods: Baibiandou and its variants were comparatively distinguished by protein viscosity, TLC and UV spectrum.
And I also want to point out, it's guaranteed pretty much you may or may not be able to see, sometimes it's hard to see that one that's getting near the UV end of our visible spectrum. So we won't worry if we can't see that.
我要指出的是,我可以保证你们,但你们可能会看不到,有时候很难看到,这个可见光谱边缘接近紫外光地方的这根谱线,所以看不到也不用担心。
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