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[期刊论文] 作者:Hai Sheng CHEN,Wing Nang LEUNG, 来源:中国化学快报 年份:2004
An aqucous acidic polysaccharide, named rhamnogalacturonan (designated as TTP-D2)was isolated from Tribulus terrestris L by means of DEAE-cellulose chromatograp...
[期刊论文] 作者:Xin Gen Luo, Hai Sheng Chen, S, 来源:中国化学快报:英文版 年份:2007
Six indole alkaloids were isolated from the stems of Ervatamia yunnanensis. Among them, yunnanensine (I) is new. The other five are known alkaloids, namely: 19,...
[期刊论文] 作者:Li Jin, Hai Sheng Chen, Zhao B, 来源:中国化学快报:英文版 年份:2007
The new flavone, 5,4’-dihydroxy-6,7-methylenedioxy-3’-methoxyflavone, and one new isoflavone glycoside, 3’,5’-dimethoxy irisolone-4’-O-β-D-glucoside were...
[期刊论文] 作者:Li Jin,Hai Sheng Chen,Zhao Bao, 来源:中国化学快报(英文版) 年份:2007
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7...
[期刊论文] 作者:Xin Gen Luo,Hai Sheng Chen,Shu, 来源:中国化学快报(英文版) 年份:2004
Six indole alkaloids were isolated from the stems of Ervatamia yunnanensis.Among them, yunnanensine (Ⅰ) is new.The other five are known alkaloids, namely: 19,2...
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