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[期刊论文] 作者：Yanbin CHEN Liqun LI Junfei FA,
来源：材料科学技术：英文版 年份：2003
The hybrid source that combined CO2 laser with TIG arc to proceed welding was analyzed. Based on an energymodel, the temperature field and weld shape were calcu...
Allozyme Genetic Diversity and Conservation Strategy of Ten Natural Populations of Pinus bungeana Zu
[期刊论文] 作者：Li Bin Gu Wanchun Chen Xiaoyan,
来源：中国林学：英文版 年份：2003
Pinus bungeana is a three-needle pine with typical fragmented distribution in central and northwestern China. Its natural resources are gradually decreasing and...
[期刊论文] 作者：LI Yan CHEN Zhi-Qi ZHOU Ye-Bin,
来源：有机化学 年份：2003
N-Alkylperfluorooctanesulfonamide compounds are special fine chemicals, and have been applied in many fields, such as vulcanizing agents for fluoro rubbers, smo...
Reductive Coupling of Alkyl Selenocyanates to Diselenides Utilizing Environmentally Benign TiCl4-NEt
[期刊论文] 作者：HUANG You FENG De-Xin CHEN Ru-,
来源：有机化学 年份：2003
The reduction of TiCl4 to low valent titanium (LVT) species and the synthetic utility of such species are welldocumented chemistry of wide interest. [1] General...
[期刊论文] 作者：CHEN Xiao ZHANG Yong-Xin DU Da,
来源：有机化学 年份：2003
The enantioselective reduction of prochiral ketones with borane in the presence of a chiral ligand leading to enantiomerically pure secondary alcohols has recei...
[期刊论文] 作者：CHEN Yi-Xin LIU Tian-Sui LIU R,
来源：有机化学 年份：2003
The chiral ligand bearing C2-symmetric binaphthyl backbonce (e. g. BINOL, BINAP) is one of the widely used chiral auxiliaries in catalytic asymmetric synthesis....
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 and Study on the Complexation of Dithidiaza 21-Cown-7- Bearing Appended Coumarin or 1-Amin
[期刊论文] 作者：SONG Hua-Can MOU De-Hai CHEN Y,
来源：有机化学 年份：2003
The high toxicity of many transition and post-transition metal ions, especially Hg2+ and Pb2 + , is well recognized and a lot of attention has been paid to cont...
[期刊论文] 作者：ZHANG Xuan CHEN Xing-Guo FU Ya,
来源：有机化学 年份：2003
Intercalation of organic species into layer inorganic solids provides a useful approach to creating ordered organ ic-inorganic nanocomposite materials with nove...
[期刊论文] 作者：XUE Dong CHEN Yong-Chun CUI Xi,
来源：有机化学 年份：2003
Enantioselective Michael addition is one of the most powerfulbond-forming reaction in organic synthesis. [1] A mong the Michael acceptors, nitro alkenes are ver...
[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...
Studies on the Reaction of Salicylic Acid with Dialkyl Phosphite by Electrospray Ionization Mass Spe
[期刊论文] 作者：CHEN Xiao-Lan QU Lin-Bo GUO Le,
来源：有机化学 年份：2003
The Atherton-Todd reaction has been extensively applied to the synthesis of phosphates and phosphoroami dates. [1] Zeng et al. [2] suggested that under Atheron-...
[期刊论文] 作者：Chen Xinhua Wang Xiaowen Wu We,
来源：海洋学报：英文版 年份：2003
A rapid and sensitive PCR-based method for the detection of the large yellow croaker iridovirus (LYCIV) is described, which involves the amplification of a 295...
[期刊论文] 作者：许靖华,Min-pen Chen,Chao-kai Huan,
来源：高校地质学报 年份：2003
天然放射性衰变通常被认为是自发性的行为,并且这种衰变有一个恒定的半衰期,尽管有一些实验和经验性的证据对上述基本理论曾提出质疑.许靖华(1994)提出过这方面的问题--衰变...
[期刊论文] 作者：WEI Yao-wu,LI Nan,CHEN Fang-yu,,
来源：Journal of Iron and Steel Research(International) 年份：2003
The effects of Fe2O3 addition in MgO-CaO refractory on desulfurization of liquid iron were studied by SEM, EDA and chemical analysis. Fe2O3 of 1 % and 4 % were...
[期刊论文] 作者：Hai Bing LI Yuan Yin CHEN,
来源：中国化学快报：英文版 年份：2003
A bisphosphate-bridged tetrahomodioxacalix[6]arene with a C2v symmetry at the ambient temperature was obtained by the reaction of tetrahomodioxacalix[6]arene wi...
[期刊论文] 作者：Qiao,Hong,CHEN,Liang,XU,等,
来源：中国化学快报：英文版 年份：2003
The synthesis of a new N,19-seco norditerpenoid alkaloid 7 bearing nitro group from yunaconitine 1 as the starting material through a series of steps was descri...
[期刊论文] 作者：Qiu Yusheng Chen Min Huang Yip,
来源：海洋学报：英文版 年份：2003
During the 16th Chinese National Antarctic Research Expedition (CHINARE) (from November 1999 to April 2000) seawater samples were collected for (DOC) determinat...
Variation of reactivity of particulate and sedimentary organic matter along the Zhujiang River Estua
[期刊论文] 作者：Chen Jianfang Jin Haiyan Yin K,
来源：海洋学报：英文版 年份：2003
To investigate organic matter source and reactivity in the Zhujiang River (Pearl River)Estuary and its adjacent areas, particulate organic carbon (POC), particu...
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