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[期刊论文] 作者:ZHANG Haoxiang,ZHANG Lin,SHAN,
来源:清华大学学报(英文版) 年份:2004
Peer-to-peer (P2P) networks aggregate enormous storage and processing resources while mini-mizing entry and scaling costs. Gnutella-like P2P networks are comple...
[期刊论文] 作者:ZHANG Qiang,ZHANG Pei-pei,JIAO,
来源:高等学校化学研究(英文版) 年份:2004
Microcapsules with chlorpyrifos cores and polyurea walls were synthesized with 2,4-tolylene diisocyanate as an oil-soluble monomer and ethylenediamine as a wate...
Synthesis and Crystal Structure of Tert-butyl 4-[(E)-4-(1,3 -Dioxo-1,3-dihydro-2H-isoindol-2-yl)-1-b
[期刊论文] 作者:ZHANG Xin-Ge,ZHANG Hui-Jie,WAN,
来源:结构化学 年份:2004
The title compound tert-butyl 4-[(E)-4-(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)- 1-butenyl] benzoate has been synthesized and characterized by X-ray crystallogr...
Fracture strength of custom-fabricated Celay all-ceramic post and core restored endodontically treat
[期刊论文] 作者:ZHANG Yu-xing,ZHANG Wei-hong,L,
来源:中华医学杂志(英文版) 年份:2004
Background The increased use of ail-ceramic crown provides a rationale for tooth-colored core. Due to superior mechanicai properties, Vita Celay infiltration ce...
[期刊论文] 作者:ZHANG Jingping,ZHANG Hong,WANG,
来源:中国科学B辑(英文版) 年份:2004
The singlet-triplet splitting energy gap △ES-T = ES- ET is calculated for the ortho-, meta-, and para-xylylenes and their heteroatomic analogous by means of AM...
[期刊论文] 作者:Ping-ping Zhang,Tao-yi Zhang,C,
来源:高分子科学(英文版) 年份:2004
An ordered ladder polyester (LPE) was first synthesized through the ladder superstructure (LS) constructed by concerted interactions of hydroxyl- and aramide-ba...
[期刊论文] 作者:ZHANG Suojiang,SUN Ning,ZHANG,
来源:中国科学B辑(英文版) 年份:2004
There is virtually no limit in the number of ionic liquids. How to select proper ones or discover new ones with desirable properties in such a large pool of ion...
[期刊论文] 作者:WANG Hong-zhi,ZHANG Peng,ZHANG,
来源:高等学校化学研究(英文版) 年份:2004
Polyaniline film was prepared by electrochemical method in an acidic solution of aniline.The micromorphology of the polyaniline film was transformed to three-di...
[期刊论文] 作者:ZHANG Shaolong,ZHANG Xuqiang,Z,
来源:中国科学G辑(英文版) 年份:2004
The four-dimensional time-dependent quantum dynamics calculations for reactions of group IV hydride with H are carried out by employing the semirigid vibrating...
[期刊论文] 作者:Zhang Junying,ZHANG Zhongtai,W,
来源:稀土学报(英文版) 年份:2004
Phosphors with ( Ce0. 67 -xGdxTb0. 33 ) MgAl11 O19 (0 ≤ x ≤0.37 ) composition were prepared by sol-gel processing. The preparation process, crystal structure...
[期刊论文] 作者:ZHANG Hai-hong,ZHANG Xi-zhen,Z,
来源:高等学校化学研究(英文版) 年份:2004
Survivin,a novel member of inhibitor ofapoptosis(IAP) protein family,is aberrantly expressed in cancer but undetectable in normal,differentiated adult tissues.T...
Livelihood Strategy Change and Land Use Change——Case of Danzam Village in Upper Dadu River Watershed
[期刊论文] 作者:YAN Jianzhong,ZHANG Yili,ZHANG,
来源:中国地理科学 年份:2004
Land use change in rural China since the 1980s, induced by institution reforms, urbanization, industrializa-tion and population increase, has received more atte...
Isolation and Structural Speculation of Herbicide-Active Compounds from the Metabolites of Pythium a
[期刊论文] 作者:ZHANG Li-hui,ZHANG Jin-lin,LIU,
来源:农业科学学报(英文版) 年份:2004
Natural herbicides, or environment-friendly bioherbicides have been attracted more and more attentions. Isolation and structural identification of natural herbi...
MULTI-LAYER PIEZOELECTRIC ACTUATOR AND ITS APPLICATION IN CONTROLLABLE CONSTRAINED DAMPING TREATMENT
[期刊论文] 作者:ZHANG Xinong,XIE Shilin,ZHANG,
来源:机械工程学报(英文版) 年份:2004
A kind of novel multi-layer piezoelectric actuator is proposed and integrated with controllable constrained damping treatment to perform hybrid Vibration contro...
[期刊论文] 作者:Zhang Jianjun,Dai Yujie,Zhang,
来源:稀有金属(英文版) 年份:2004
The thermal decomposition of the [Ni(NFA)2(NO3)2]*2H2O (NFA=C16H18FN3O3, norfloxacin) and its kinetics were studied under the non-isothermal condition in nitrog...
[期刊论文] 作者:ZHANG Ronghua,HU Shumin,ZHANG,
来源:地质学报(英文版) 年份:2004
This study focuses on experiments of Au and Cu dissolved in vapor phase in hydrothernmlfluids. Experiments prove that Au and Cu can re-distribute in vapor phase...
[期刊论文] 作者:DU Guoming,ZHANG Shuwen,ZHANG,
来源:中国地理科学(英文版) 年份:2004
Character of population distribution is one of the focuses studied by urban geography. Using the fifth national census data as basic data and using areal interp...
[期刊论文] 作者:ZHANG Yi,ZHANG Ji Guo,
来源:读与写 年份:2004
With the development of the economy, our living standard is much more than the past, however, there are also more and more serious social crisis which we have t...
Preparation and Spectral Characterization of 3-Benzyl-6-aryl-1,2,4-triazolo[3,4-b][1,3,4]thiadiazole
[期刊论文] 作者:ZHANG Li-xue,ZHANG An-jiang,CH,
来源:高等学校化学研究 年份:2004
3-Benzyl-4-amino-5-mercapto-1,2,4-triazole reacted with aromatic acids in the presence of phosphorus oxychloride, yielding a series of new compounds, i.e., 3-be...
[期刊论文] 作者:Liu Yuwen,Zhang Xiaoding,Zhang,
来源:等离子体科学和技术(英文版) 年份:2004
This paper explores the patterns of influence of the negative radial electric field on the drift displacement and trajectory of charged particles, for it is ess...
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