ELUCIDATION

作品数：223被引量：331H指数：8
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相关机构：中国科学院福建物质结构研究所曲阜师范大学中国药科大学香港科技大学更多>>
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An acidic polysaccharide with xylose branches from Porphyra yezoensis被引量：3
《Chinese Science Bulletin》2001年第3期207-210,共4页ZHANG Weiyun CHEN Hao WANG Shuijuan XIA Zhonghao FEI Xiugeng TAN Renxiang 
This work was supported by the National Natural Science Foundation of China (Grant Nos. 39725033 and 39970083);and also by the Research Fund for the Doctoral Program of Higher Education (Grant No. 1999028419).
An acidic polysaccharide (PY3) was isolated from the hot water extract of the red algae Porphyra yezoensis by successive column chromatographies over DEAE-cellulose and Sephadex G-200. PY3 with an average molecular we...
关键词：PORPHYRA YEZOENSIS ACIDIC POLYSACCHARIDE structure elucidation. 
Structure elucidation of polychlorinated biphenyls by X-ray analysis
《Chinese Science Bulletin》1997年第21期1803-1806,共4页Miao, XS Chu, SG Xu, XB Jin, XL 
POLYCHLORINATED biphenyls (PCBs) are a class of compounds of which some members are po-tential threats to the environment. A great deal of research has been carried out on various as-pects of PCBs, including the predi...
关键词：POLYCHLORINATED BIPHENYLS X-ray analysis MOLECULAR structure. 
Surface photovoltaic properties and spectral elucidation of tailed porphyrin Mn(Ⅲ) complex with electric field induction
《Chinese Science Bulletin》1996年第5期385-389,共5页王德军 张杰 师同顺 张鹏 曹锡章 李铁津 
Project supported by the National Natural Science Foundation of China.
Manganese (Ⅲ)-porphyrins and iron (Ⅳ)-porphyrins are isoelectronic, and the latter isan important intermediate of all kinds of hemoglobins during catalytic process. A thoroughundrstanding of Mn porphyrins would be v...
关键词：Mn(Ⅲ) PORPHYRIN electric field INDUCTION photovoltage. 
An algorithm for molecular weight prediction from EI mass spectra
《Chinese Science Bulletin》1995年第13期1087-1089,共3页杨伯宇 朱大模 洪群发 孙国强 刘人余 Hartmut M. Liebich Elke Gesele 
Project supported by the National Natural Science Foundation of China.
It is very important to predict the molecular weight of a compound from its EI massspectrum, because molecular weight is one of the most important information for its struc-ture determination. The program for molecula...
关键词：MASS SPECTRUM MOLECULAR WEIGHT PREDICTION structure elucidation. 
Isolation and Structure Elucidation of New Glycosides From the Leaves of Oplopanax Elatus NAKAI (Ⅲ)被引量：2
《Chinese Science Bulletin》1994年第23期1969-1972,共4页王广树 徐景达 Tetsuya Murayama Junzo Shoji 
Project supported by the National Natural Science Foundation of China.
The roots of oplopanax elatus NAKAI (Chinese name, Cirensen) (Araliaceae) have been used as a medicine in China for tonica,antitussis, eliminating fever,regulating blood pressure and so on.The chemical studies of the ...
关键词：oplopanax elatus TRITERPENOID SAPONIN cirensenoside oleanene-type trilerpenoid saponin. 
AN EFFICIENT APPROACH FOR THE IDENTIFICATION OF CARBON SKELETON AND FUNCTIONAL GROUP IN CHEMICAL STRUCTURE
《Chinese Science Bulletin》1991年第4期292-296,共5页彭琛 袁身刚 郑崇直 
Ⅰ. INTRODUCTIONSince the DENDRAL system was elaborated by Standford University at the beginning of 1960s, structure elucidation systems have aroused a lot of researchers’ interest. On the basis of our multi-spectros...
关键词：COMPUTER-ASSISTED structure ELUCIDATION system SUBSTRUCTURE code functional group carbon skeleton. 
AN AUTOMATIC INTERPRETATION SYSTEM OF INFRARED SPECTRA
《Chinese Science Bulletin》1987年第14期960-963,共4页宋果男 车迅 黄威东 孙法校 王川 
Project supported by the Science Fund of Academia Sinica
Infrared spectroscopy is an effective method for qualitative analysis and structure elucidation, and it can be widely applied to analysing gas, liquid and solid samples. However,the interpretation of infrared spectra ...
关键词：INTERPRETATION experienced INFRARED ELUCIDATION qualitative desirable finally INTERPRETING FORTRAN normalized 
STUDY ON CRYSTAL STRUCTURE OF DESHEPTAPEPTIDE(B24-30) INSULIN——FINDING OF A NEW CRYSTAL FORM
《Chinese Science Bulletin》1987年第4期277-281,共5页王大成 谢殿霖 张季平 常文瑞 梁栋材 鲁子贤 虞荣华 
The structure-function relationship of insulin to be understood at three-dimensional level has already been a challenging problem since the elucidation of fine crystal structures of insulin. Of course, it is a better ...
关键词：challenging PHOTOGRAPH understood ELUCIDATION FORM B24-30 INSULIN COMPLEXES satisfactory instance 
ANALYSIS OF THE INGREDIENTS OF Angelica sinensis——DETERMINATION OF THE STRUCTURE OF ANGELICIDE
《Chinese Science Bulletin》1984年第4期560-562,共3页陈耀祖 张惠迪 陈能煜 赵天增 汪茂田 
Dang-gui is one of the traditional Chinese medicinal herbs. Analysis of its ingredients is very important to the study of its pharmacological mechanism. Research reports on this subject have appeared in literature sin...
关键词：ANGELICA ELUCIDATION INGREDIENT capillary MEDICINAL briefly District petroleum GANSU appeared 
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