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[期刊论文] 作者：JingXingDU RenWeiZHENG HongYun,
来源：中国化学快报：英文版 年份：2004
The disulfides reacted with zinc in DMF, followed by alkyl halides, giving unsymmetrical thioether in excellent yields. This reaction takes place under mild and...
[期刊论文] 作者：Baihong Zhang,Hongyun Yue,
来源：中德临床肿瘤学杂志（英文版） 年份：2004
Based upon historical and scientific perspectives in oncology, this review article summarizes the most important theories about the point of origin of cancer. T...
[期刊论文] 作者：Hongyun TIAN, Wei LI, Vratisla,
来源：Oil Crop Science 年份：2004
It is essential to evaluate agronomic and quality traits when using elite lines in rapeseed( Brassica napus L.) breeding. 92 rapeseed accessions( 44 Chinese,22...
[会议论文] 作者：葛丽芹, Hongyun Xuan,,
来源： 年份：2004
在以往的研究工作中,一般是通过改变聚合物本身结构或通过引入外部功能材料来提高材料的机械强度,抗腐蚀及抗老化性能,从而达到延长聚合物材料使用时间的目的。随着材料科学...
Estimating Ecological Value of Small Hydropower Using Contingent Valuation Method： An Application to
[期刊论文] 作者：Han Hongyun,Zhao Liange,Zhang,
来源：中国人口．资源与环境：英文版 年份：2004
The small hydropower （SHP） will be less competitive in the absence of environmental value. The lack of information has become an important obstacle challenging de...
[会议论文] 作者：DUAN Qing,,
来源： 年份：2004
回 回 产卜爹仇贱回——回 日E回。”。回祖 一回“。回干 肉果幻中 N_。NH lP7-ewwe--一”＄ MN。W;- __._——————》 砧叫]们羽 制作:陈恬’＃陈川个美食Back to yield...
Huckleberry Finn＇s Stubborn Oedipus Complex ,A Psychoanalysis Reading of The Adventures of Huckleber
[期刊论文] 作者：Liangliang Duan,
来源：美中外语 年份：2004
...
[期刊论文] 作者：Ping Duan,
来源：中德临床肿瘤学杂志（英文版） 年份：2004
Objective: To observe the effect of slow-released morphine tablets by rectum in treating the patients of moderate to severe cancer pain with server nausea and v...
[期刊论文] 作者：DUAN Guo-xiang,
来源：海外英语 年份：2004
Basing itself on the cognitive theory of metaphor proposed by Lakoff and Johnson,this paper elaborates the important views that make this theory of metaphor uni...
[期刊论文] 作者：Duan Zhenzhong,
来源：中国稀土学报：英文版 年份：2004
Experimental results on the magnetic field behavior of the critical current in silver sheathed Bi-2223 tapes are presented. The experiments consist of transport...
,Effect of adiabatic variation of dust charges on dust acoustic solitary waves in magnetized dusty p
[期刊论文] 作者：Duan Wen-Shan,
来源：中国物理(英文版) 年份：2004
The effect of dust charging and the influence of its adiabatic variation on dust acoustic waves is investigated. By employing the reductive perturbation techniq...
[期刊论文] 作者：Li Hongyun,Yao Yongming,SHI Zh,
来源：感染、炎症、修复 年份：2004
GTP-cyclohydrolase I (GTP-CHI) is the first and rate-limiting enzyme for the de novo biosynthesis of biopterin. The present study was to observe the effect of 2...
Study on improving properties of welded joints of 400 MPa ultra fine grained steel by mechanical sur
[期刊论文] 作者：Zhao Hongyun,Han Fei,Xia Long,,
来源：中国焊接 年份：2004
The welded joints of 400 MPa ultra fine grained steel in manual arc welding were treated by mechanical surface hardening. Microstructure and mechanical properti...
[期刊论文] 作者：Ma Hongyun,Samper Javier,Xin X,
来源：矿业科学技术（英文版） 年份：2004
Acid mine drainage (AMD) is commonly treated by neutralization with alkaline substances. This treatment is supported by titration experiments that illustrate th...
[期刊论文] 作者：LIN Shenglu,Li Hongyun,Wang De,
来源：黑龙江科技学院学报 年份：2004
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：LIN Shenglu LI Hongyun WANG De,
来源：中国科学：物理学、力学、天文学英文版 年份：2004
By employing a model potential including the electron exchange energy, we extend the semiclassical closed orbit theory to study the multielectron atoms. Using s...
Contribution of Disclination Lines to Free Energy of Liquid Crystals in Single-Elastic Constant Appr
[期刊论文] 作者：YANGGuo-Hong,WANGYu-Sheng,DUAN,
来源：理论物理通讯：英文版 年份：2004
In the light of φ-mapping method and topological current theory, the contribution of disclination lines to free energy density of liquid crystals is studied in...
[期刊论文] 作者：Di Han,Yan Wang,Hongyun Li,Jia,
来源：中国神经再生研究 年份：2004
BACKGROUND: Polymorphisms of urokinase-type plasminogen activator gene (PLAU) have recently been reported to be associated with sporadic Alzheimer' disease (SAD...
[期刊论文] 作者：Jiaqtan Duan Qin Bao,
来源：美中外语 年份：2004
...
[期刊论文] 作者：Hai-Bin Zhang,Zhen-Hua Duan,
来源：计算机科学技术学报（英文版） 年份：2004
This paper investigates symbolic algorithmic analysis of rectangular hybrid systems. To deal with the symbolic reachability problem, a restricted constraint sys...
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