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Synthesis of calix [4] arene derivatives and studies on their UV spectrum. 含硫杯[4]芳烃衍生物的合成及其紫外光谱研究
The effect of metal ions of different valences on the conformation of DNAmolecules by UV spectra has been studied. 用紫外分光光度法研究了不同价态金属离子对DNA大分子溶液构象的影响。
The chemical structures of porphyrin compounds were identified by IR and UV spectra as well as elemental analysis. 对卟啉化合物进行了IR、UV测定和元素分析。
RESULTS The UV spectra of the herbal drugs showed different maximum absorption peaks both in number and intensity. 结果秦艽与红秦艽的紫外谱线组图像、最大吸收峰数目及峰位值具有明显差异。
We use the INDO/ 2 and INDO/CI scries methods, to investigate the electrnic structure and UV spectra of footballcne and its isomers. 我们用INDO/2和INDO/CI系列方法。研究了足球分子及其异构体的电子结构和UV谱。
The electronic structrue and UV spectra of C_24, C_50, C_60 and C_70 have been investigated by use of the INDO/2 and INDO/CI methods. 用INDO/2和INDO/CI方法研究了C_(24)、C_(50)、C_(60)和C_70的电子结构和UV谱。
The HPLC efflunts are screened with their UV spectra by DAD and the efflunts of intereste O6 - MG and N7 - MG are collected for MS analysis. HPLC法通过保留时间及各洗提物的UV吸收光谱在线检测，筛选出感兴趣的目标化合物（N7－MG，O6－MG），再通过质谱（EIMS及FABMS）鉴定。
Methods Identification of Caulis Piperis Kadsurae and its adulterants was carried out by comparing its characteristic,microscopic,TLC and UV Spectra. 方法从性状、显微、薄层色谱及紫外光谱对海风藤及常见混淆品进行比较。结果海风藤与常见3种混淆品有明显区别。
The gelation mechanism of RF gel was investigated by analyzing the changes of viscosity, pH, temperature and the UV spectra of the as-formed sol. 研究了反应体系的黏度、酸度、温度以及反应中间产物紫外光谱的变化情况，探讨该凝胶反应的作用机理。
The interaction between phenylalanine dipeptide (Phe-Phe) and calf thymus DNA (ct-DNA) was studied by using UV spectra and fluorescence spectra. 利用紫外吸收光谱、荧光光谱研究了苯丙氨酸二肽与小牛胸腺DNA之间的相互作用。
RESULTS : The UV spectra of digoxin and its inclusion compound are identical but the diffraction peak of digoxin crystal is disappeared. 结果：地高辛及其包合物的紫外吸收光谱完全一致。
Measured UV intensity across the solar UV spectrum and the erythemal action spectrum. 图二太阳紫外线光谱内所量度的紫外线强度及红斑作用光谱曲线。
These compounds are investigated by Elemental analysis, Thermal analyses, Infrared Spectra and UV Spectra, Fluorescence Spectra. The structures of complexes are also discussed. 对合成的配体和配合物进行了元素分析、红外光谱、紫外光谱、热失重等析表征荧光光谱以及X-射线单晶结构的分析和表征，给出了配合物的可能结构。
A detailed study by means of guantum mechanics CNDO/2 on the UV spectrum of anthraquinone dyestuff has been made. 应用量子化学CNDO/2方法对蒽醌染料的紫外光谱进行研究，算出了各分子轨道的能量及相应紫外光谱吸收峰的位置。
Conclusion UV spectrum can be used to differentiate F. walujewii from other species of Fritillaria. 结论该光谱特征作为新疆贝母与其它4种贝母区别的依据。
The FTIR and UV spectrum of fucoidan isolated from laminarin jaenioa aresch was analysed . 用FTIR、UV对从海带中提取的褐藻糖胶结构进行了分析。
We proved this by UV spectra throuth complexation experiments, and found also some target compounds with dramatically good complexing abilities for cations. 我们通过络合实验用紫外光谱有力地证实了这一点，并发现了部分目标化合物对一些阳离子有着特异的络合性能。
In present paper,six metal porphyrins are synthesized and their UV spectra and fluorescence spectra of two of them are measured.Their spectral results are compared. 本文合成了一系列金属卟啉化合物并测量了其紫外-可见光谱及其中典型金属卟啉化合物的荧光发射光谱，并将这些光谱结果进行了比较。
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。
The UV spectrum of Kochia scoparia was similar to that of Kochia scoparia f. trichophila , but significantly different from that of ... 紫外光谱扫描结果表明地肤子和扫帚菜无明显区别,但与藜和小藜之间有显著区别。