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[期刊论文] 作者:WANG Lei,XU Xing-kun,XU Wen-ju, 来源:中国邮电高校学报(英文版) 年份:2004
According to the property rights model of cognitive radio,primary users who own the spectral resource have the right to lease or trade part of it to secondary u...
[期刊论文] 作者:XU Yizhuang,Yang Limin,XU Zhi,, 来源:中国科学B辑(英文版) 年份:2004
Gastric tissue samples were studied using mid-IR fiber-optic attenuated total reflectance (ATR) spectroscopy. FTIR spectra of 90 tissue samples from 48 patients...
[期刊论文] 作者:XU Zhao-ting,XU Hao,SHEN Guo-j, 来源:中国海洋工程(英文版) 年份:2004
Several ray-type 1D and 2D KdV equations for two-layer stratified ocean with topographic effect are derived in detail in the present study.A simplified version...
[期刊论文] 作者:WU Ming-hui,XU Yang,LIU Xu, 来源:西南交通大学学报(英文版) 年份:2004
First,We reviewed the definitions of lattice implication algebras,lattice implication subalgebras,and LI-ideals,and provided an equivalent definition of LI-idea...
[期刊论文] 作者:Kaiqiang Xu,Xiongli Xu,Zhiji D, 来源:中国颗粒学报(英文版) 年份:2004
Graft copolymers of sodium alginate (SA) with acrylamide (AM) were synthesized using aceric ion initiated solution polymerization technique. The acrylamide conv...
[期刊论文] 作者:XU Feng,XU Wen,WANG Bo, 来源:西南交通大学学报(英文版) 年份:2004
Temperature field and its variation with time are necessary for analyzing the thermo-mechanical performance of mass concrete structures at their early ages. Thi...
[期刊论文] 作者:XU Tong-Tao,GAO Jian,XU Xing-Y, 来源:结构化学 年份:2004
The Schiff base, 2- { (2'-benzyl)iminoethyl} -5-methoxyphenol (C6H4CH2N=C(CH3)C6H3-(OMe-5)OH) 1, was synthesized and characterized by elemental analysis, IR and...
[期刊论文] 作者:FAN Hong-Yi,LU Hai-Liang,XU Xu, 来源:理论物理通讯(英文版) 年份:2004
We introduce the bipartite entangled states to present a quantum mechanical version of complex wavelet transform. Using the technique of integral within an orde...
[期刊论文] 作者:SHI Pei-jing,XU Bin-shi,XU Yi,, 来源:中国有色金属学会会刊(英文版) 年份:2004
A four-ball machine was employed to investigate the tribological performances and the synergetic function of organo-molybdenum compounds (molybdenum dialkyl-dit...
[期刊论文] 作者:Pei Cheng ZHANG,Sui Xu XU, 来源:中国化学快报 年份:2004
Two new C-glucoside flavonoids,namely 8-C-(-D-(2(-O-acetyl) glucofuranosyl apigenin and 3(-O-acetylvitexin,were isolated from leaves of Crataegus pinnatifida Bg...
[期刊论文] 作者:Ruan Baiyao,Xu Shizhe,Xu Zhife, 来源:中国地质大学学报(英文版) 年份:2004
A numerical method is put forward in this paper, using the boundary element method(BEM) to model 3D terrain effects on magnetotelluric (MT) surveys. Using vecto...
[期刊论文] 作者:YU Yu-Hong,XU Hua-Gen,XU Hu-Sh, 来源:中国物理C(英文版) 年份:2004
Timing and amplitude properties of a prototype scintillator TOF counter at an external target facility are studied with a cosmic rays test. The dependence of si...
[期刊论文] 作者:XU Xiao-yan,NI Xu-feng,XU Hong, 来源:高等学校化学研究(英文版) 年份:2004
The polymerization of n-hexyl isocyanate(HNCO) was carried out in the presence of a novel single initiator, rare earth tris (2,6-di-tert-butyl-4-methylphenolate...
[期刊论文] 作者:Xu Chunhui,Huang Wenbin,Xu Yon, 来源:固体力学学报(英文版) 年份:2004
The squeeze flow of a rigid-plastic medium between parallel disks is considered for small gaps with partial wall slip. The stress distribution and the squeeze f...
[期刊论文] 作者:SHI Hui-xiang,XU Xian-wen,XU X, 来源:环境科学学报(英文版) 年份:2004
Ozonlysis in the treatment of p-nitrophenol solution was studied in this paper. The results indicated that the decomposition of pnitrophenol was accelerated as...
[期刊论文] 作者:Wu Dong-xu,Wang Cai-ling,Xu Xu, 来源:数学研究通讯 年份:2004
In this paper, a new kind of iteration technique for solving nonlinear ordinary differential equations is described and used to give approximate periodic soluti...
[期刊论文] 作者:Guanli Xu,Lina Xu,Shunlong Pan, 来源:中国颗粒学报(英文版) 年份:2004
The effect of polyethyleneimine (PEI) concentration on the properties of titanium dioxide (TiO2) suspensions is studied with or without the addition of an elect...
[期刊论文] 作者:XU YING-XIANG,GUAN L-TAI,XU WE, 来源:数学研究通讯 年份:2004
Consider a kind of Hermit interpolation for scattered data of 3D by trivariate polynomial natural spline,such that the objective energy functional (with natural...
[期刊论文] 作者:YU Yu-Hong,XU Hua-Gen,XU Hu-Sh, 来源:中国物理C(英文版) 年份:2004
To achieve a better time resolution of a scintillator-bar detector for a neutron wall at the external target facility of HIRFL-CSR, we have carried out a detail...
[期刊论文] 作者:Xu Jing-lei,Xu Zhong,Huang Shu, 来源:水动力学研究与进展B辑 年份:2004
A refined k-ε model re-considering the fluctuating pressure diffusion term in the dissipation rate equation (ε-equation) is provided and used in the numerical...
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