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[期刊论文] 作者:Rui Yang Biqian Liu Qijun Luo,
来源:海洋学报:英文版 年份:2003
Genetic variation of 11 lines of Porphyra yezoensis from the coastline of Kagoshima ofJapan, Qingdao, Nantong, Putuo and Nanji Islands of China were studied by...
[期刊论文] 作者:ZHANG Tao YANG Li-Ting LIU Hua,
来源:有机化学 年份:2003
Andirolactone 1 as the dextro enantiomer is a sesquiterpenoid with structure of spirocyclic butenolide, isolated from the wood of cedar ( Cedrus libanotica ), w...
[期刊论文] 作者:Yuqiao Gao Li Liu Yanzhang Zha,
来源:世界地质:英文版 年份:2003
According to the seismic and geological differences among every oil measures in mid-deep layers at west slope in Qikou Sag, varieties of new techniques on geoph...
[期刊论文] 作者:LIU Ping ZHOU Xiao-Ping ZHAO Q,
来源:有机化学 年份:2003
Oligothiophenes with well defined structures have recently received a great deal of attention not only as modelcompounds for electrically conducting polythiophe...
[期刊论文] 作者:LIU Hui-Min ZHANG Wei ZHANG We,
来源:有机化学 年份:2003
Thiazole and its derivatives are of considerable interest because they act as important constituents of many biomolecules, including antibiotics, vitamins, anti...
[期刊论文] 作者:WANG Wei LIU Hui-Min ZHANG Wei,
来源:有机化学 年份:2003
Alkylation of bases group of nucleic acid, thymine and uracil, has attracted great attention. In order to investigate the intermolecular interactions, [1,2] and...
[期刊论文] 作者:LEI Huaiyan LIU Zhihong FAN Sh,
来源:化工学报 年份:2003
As we know, there are three structures-sⅠ, sⅡ, and sH, with hydrocarbonate gas hydrate.Because of those special structures characteristics and potentail large...
[期刊论文] 作者:QU Gui-Rong LIU Qi-Bin ZHANG W,
来源:有机化学 年份:2003
5-Azacytosine (4-amino-1,2-dihydro-1,3,5-triazin-2-one) is a very important intermediate in the synthesis of 5-azacytidine which shows remarkable bacteriostatic...
Highly Efficient Diastereoselective Synthesis of Tetrahydro-isoquinoline-3- carboxylate Ester Analog
[期刊论文] 作者:WANG Ye LIU Zhan-Zhu CHEN Shi-,
来源:有机化学 年份:2003
Tetrahydroisoquinoline-3-carboxylate esters are an important motif of naturally occurring bioactive alkaloids and pharmacophores. They are generally regarded as...
[期刊论文] 作者:ZHOU Cheng-He LIU Qiang CHEN J,
来源:有机化学 年份:2003
Imidazoles as pharmaceutical agents are widely used and investigated. A series of bis-azoles were prepared fromimidazole and its analogues and dibromides obtain...
Synthesis of Novel Histidine-based Open-chain Dipeptides, Polypeptides and Cyclopeptides with Anti-H
[期刊论文] 作者:ZHOU Cheng-He LIU Qiang Juan F,
来源:有机化学 年份:2003
A series of novel histidine-based open-chain dipeptides, polypeptides and cyclopeptides with anti-HIV potential were designed and synthesized from commercial hi...
[期刊论文] 作者:LIU Yongmei, TANG Guoan, LI Ti,
来源:地理学报:英文版 年份:2003
Due to complex terrain of the Loess Plateau, the classification accuracy is unsatisfactory when a single supervised classification is used in the remote sensing...
Several significant hydrographic characteristics and their formation mechanism in the South China Se
[期刊论文] 作者:Xu Jianping Chai Fei Liu Zengh,
来源:海洋学报:英文版 年份:2003
On the basis of the CTD data obtained by the two cruises before and after summer monsoon burst (25th May, 1998), several significant hydrographic characteristic...
[期刊论文] 作者:YANG Xue-Mei LIU Ling-Yan LI B,
来源:有机化学 年份:2003
Recently, much concentration has been focused on chiral macrocyclic amides that bear the dual features of macrocyclic polyamines and oligopeptides, which can ac...
[期刊论文] 作者:LIU Yun-Yang HUANG Bing QIN Ji,
来源:有机化学 年份:2003
Nonlinear optical materials have received considerable attention due to its promising and important application in the domain of opto-electrics and photonics. [...
[期刊论文] 作者:LIU Si-Min WU Xiao-Jun YAO Jun,
来源:有机化学 年份:2003
Non-covalent attractive forces are commonly employed in biological systems to drive the assembly of highly orga nized supramolecular entities from relatively si...
[期刊论文] 作者:WANG Jian LIU Ping YOU Gang,
来源:有机化学 年份:2003
M3S3 cluster six-membered ring compounds are very interesting compounds liking aromatic benzene, and Cu, Pd, B and so on can also form M3S3 cluster besides Fe....
[期刊论文] 作者:WANG Jian LIU Ping CHEN Yun,
来源:有机化学 年份:2003
In order to study the relationship between the manganese ion and the biological coordination agent, the role ofmanganese ion in the active sites and the structu...
Ceric Ammonium Nitrate-Mediated Oxidative Cycloaddition of 1,3-Dicarbonyls to β-Aryl-α, β-unsaturate
[期刊论文] 作者:ZHANG Wei HUO Cong-De LIU Zhen,
来源:有机化学 年份:2003
Oxidative addition of carbon-centred radicals to alkenes mediated by metal salts ( MnⅢ, CeⅣ, HgⅡ,PdⅣ, AgⅠ,and CuⅡ) has received considerable attention ove...
[期刊论文] 作者:Ying,SONG,Li,Jian,LIU,等,
来源:中国化学快报:英文版 年份:2003
Poly( ε-caprolactone)(PCL) with weight-average molar mass over 10000g/mol was synthesized by microwave-assisted ring -opening polymerization of ε-caprolactone...
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