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[期刊论文] 作者:HAO Wenfeng FAN Shuanshi WANG, 来源:化工学报 年份:2003
Three experiments of static state storage method, low-temperature and constant-pressure storage method and low-temperature and constant-pressure storage method...
[期刊论文] 作者:LUO San-Zhong MI Xue-Ling WANG, 来源:有机化学 年份:2003
The introduction of function group at the α-position of α, β-unsaturated carbonyl derivatives and related com pounds is a versatile protocol in organic synth...
[期刊论文] 作者:HU Wen-Xiang WANG Jian-Ying XU, 来源:有机化学 年份:2003
Naloxone (1) is one of the 14-hydroxyl substituted opium antagonists which are valuable medications for treat ment of opiate abuse, opiate overdose, and alcohol...
[期刊论文] 作者:SHAO Zhi-Hui CHEN Jing-Bo WANG, 来源:有机化学 年份:2003
The Amaryllidaceae alkaloids have attracted considerable attention for their interesting biological activities. [1] Many of these tyrosine derived alkaloids[2]...
[期刊论文] 作者:LIU Zhan-Zhu TANG Ye-Feng WANG, 来源:有机化学 年份:2003
Ecteinascidin 743 (Et-743) is an exceedingly potent antitumor agent isolated from the marine tunicate Ecteinascidia turbinate. As its structurally simplified ve...
[期刊论文] 作者:WANG Jian-guo, LI Zeng-zhi, KO, 来源:国际设备工程与管理:英文版 年份:2003
The dispensing mechanism of active code is a key technology in an active network. Conventional capsule and programmable switch approaches have their own shortco...
[期刊论文] 作者:ZHANG Hong-wei,WANG En-gang,HE, 来源:钢铁研究学报:英文版 年份:2003
The influence of billet size on continuous casting was studied using the 3-D coupled turbulent flow, solidification and solute transport model. It is shown that...
[期刊论文] 作者:HU Wen-Xiang WANG Jian-Ying XU, 来源:有机化学 年份:2003
1α, 25-Dihydroxyvitamin D3 (1), the hormonally active form of vitamin D3, plays an important role in the modulation of cell proliferation and cell differentiat...
[期刊论文] 作者:LIANG Shu-Cai WANG Hong ZHANG, 来源:有机化学 年份:2003
The identification and determination of thiol compounds is essential both for the clinical diagnosis and the con trol of diseases because alteration of their co...
[期刊论文] 作者:WANG Yuan-Hua ZHU Yan-Xin CHEN, 来源:有机化学 年份:2003
A novel three-component carbon-carbon forming reaction is discovered. Reaction of methyl phenyldiazoacetate with both imine and arylamine in the presence of dir...
[期刊论文] 作者:WANG Jin-Xin ZHANG Chao-Xin LI, 来源:有机化学 年份:2003
Chiral β-hydroxyl-γ-butyrolactones have attracted substantial interest in recent years due to their presence inmany strongly active natural products having an...
[期刊论文] 作者:SHI Yu-hau WANG Yu-hong 等, 来源:高等学校化学研究:英文版 年份:2003
The present paper covers a generic and dynamic framework for the web publishing of bioinformatics databases based upon a meta data design, Java Bean, Java Serve...
[期刊论文] 作者:Lin Chen Ling Wang 等, 来源:高分子科学:英文版 年份:2003
A new phosphorylcholine, (6-hydroxy)hexyl-2-(trimethylammonio)ethyl phosphate (HTEP), was synthesized and characterized. Segmented polyurethane (SPU) containing...
[期刊论文] 作者:Eeng He Ying-xia Wang 等, 来源:高分子科学:英文版 年份:2003
Porcine pancreas lipase (PPL) and PPL immobilized on narrow distributed micron-sized glass beads were employed successfully for the ring-opening polymerization...
[期刊论文] 作者:Huiqun Wang Yaochu Yuan Yongga, 来源:海洋学报:英文版 年份:2003
Based on the wind and hydrographic data obtained by R/V Xiangyanghong 14 duringJune of 1999, the currents in the Huanghai Sea and East China Sea are computed by...
[期刊论文] 作者:WANG Shao-Min YAN Xue-Bin ZHAN, 来源:有机化学 年份:2003
It is very important to selectively protect or deprotect functional groups in organic synthesis, [1] especially in sugar chemistry where many hydroxyl groups of...
[期刊论文] 作者:Qing-fen Li,Peng Wang,Zheng-yi, 来源:船舶与海洋工程学报:英文版 年份:2003
In this paper, the effect of plastic constraint on the initiation of ductile tears in four different shipbuilding structural steels has been experimentally stud...
[期刊论文] 作者:Jian-fang Wang,Ji-de Li and Xi, 来源:船舶与海洋工程学报:英文版 年份:2003
In this paper, a 3D source distribution technique is used to calculate the coupled motions between two ships which advance in the wave with the same speed. The...
[期刊论文] 作者:Rihui Cheng Dongpo Wang Linfu, 来源:世界地质:英文版 年份:2003
In south of the Songliao Basin and adjacent area of NE China, there are several high conductive layers in crust and upper mantle. Those layers are interpreted a...
[期刊论文] 作者:Pujun Wang Zhiqiang Feng Frank, 来源:世界地质:英文版 年份:2003
The reservoir volcanic rocks in Songliao Basin include the Lower Cretaceous (Klyc Form., 114~135 Ma,acidic rocks) and the Upper Jurassic (J3hs Form., 145~158 Ma,...
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