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[期刊论文] 作者:Hongyin Liao,Baiqing Zong,Jian, 来源:中兴通讯技术(英文版) 年份:2004
This paper describes the advances and features of future cellular base stations. Software defined radio (SDR) evolves to cognitive radio (CR), which is smart an...
[期刊论文] 作者:ZONG Changfu,ZHU Tianjun,WANG, 来源:中国机械工程学报 年份:2004
Rollover and jack-knifing of tractor semi-trailer are serious threats for vehicle safety,and accordingly active safety technologies have been widely used to red...
[期刊论文] 作者:ZONG Hong-Shi,FENG Hong-Tao,SU, 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:ZONG Xian-lei,JIANG Du-yin,WAN, 来源:中华医学杂志(英文版) 年份:2004
Background Transforming growth factor-β1 (TGF-β1) is known to have a role in keloid formation through the activation of fibroblasts and the acceleration of co...
[期刊论文] 作者:LI Guoqing,ZONG Haifeng,ZHANG, 来源:大气科学进展(英文版) 年份:2004
Variation in length of day of the Earth (LOD, equivalent to the Earth's rotation rate) versus change in atmospheric geopotential height fields and astronomical...
[期刊论文] 作者:ZONG Zhan-Guo,LIU Li-Qiang,XIO, 来源:中国物理C(英文版) 年份:2004
In the upgrade project of the Beijing Electron Positron Collider(BEPCⅡ),three superconducting magnets are employed to realize the goal of two orders of magnitu...
[期刊论文] 作者:ZONG Feng-De,DAI Chao-Qing,ZHA, 来源:理论物理通讯(英文版) 年份:2004
By making use of the generalized sine-Gordon equation expansion method, we find cnoidal periodic wave solutions and fundamental bright and dark optical solitary...
[期刊论文] 作者:Zhao Jianjun,Zong Zhimin,Wang, 来源:矿业科学技术(英文版) 年份:2004
A series of Fe/AC catalysts for catalytic hydrogenation of CO to light hydrocarbons (LHCs) were prepared by decomposing Fe(CO)5 in an autoclave.The catalysts ac...
[期刊论文] 作者:ZONG Hong-Shi,FENG Hong-Tao,HO, 来源:理论物理通讯(英文版) 年份:2004
Based on the Ward-Takahashi identity at finite chemical potential and Lorentz structure analysis, we generalize the Ball-Chiu vertex to the case of nonzero chem...
[期刊论文] 作者:WU Xiao-Hua,ZONG Hong-Shi,PANG, 来源:理论物理通讯 年份:2004
For a two-particle system in 3 3 Hilbert space, we derive a new type of inequality for local hidden variable model. Using an entangled state, we give a realizab...
[期刊论文] 作者:ZONG Hong-Shi,WU Xiao-Hua,DING, 来源:理论物理通讯(英文版) 年份:2004
Based on a modified version of the global color symmetry model, the pion susceptibilities of vacuum needed in the QCD sum rule external-field method for the cou...
[期刊论文] 作者:ZONG Hong-Shi,WU Xiao-Hua,SUN, 来源:理论物理通讯 年份:2004
A method for obtaining the smallcurrent quark mass dependence of the dressed quark propagator froman effective quark-quark interaction model is developed. Withi...
[期刊论文] 作者:ZONG Hong-Shi,HOU Feng-Yao,SUN, 来源:理论物理通讯 年份:2004
A method for obtaining the low chemical potential dependence of the dressed quark propagator from an effective quark-quark interaction model is developed. Of pa...
[期刊论文] 作者:ZONG Hong-Shi,PING Jia-Lun,YAN, 来源:理论物理通讯 年份:2004
A modified method for calculating the nonperturbative quark vacuum condensates from the global color symmetry model is derived. Within this approach it is shown...
[期刊论文] 作者:ZONG Hong-Shi,PING Jia-Lun,CHA, 来源:理论物理通讯 年份:2004
Based on QCD sum rule three-point and two-point external field formulas respectively, the vector vacuumsusceptibilities are calculated at the mean-field level i...
[期刊论文] 作者:ZONG Hong-Shi,PING Jia-Lun,LU, 来源:理论物理通讯 年份:2004
The mixed quark-gluon condensate from the global color symmetry model is derived. It is shown that themixed quark-gluon condensate depends explicitly on the glu...
[期刊论文] 作者:Ya-Feng Zong,Wei-Hua Chen,Yuan, 来源:世界胃肠病学杂志(英文版) 年份:2004
AIM: To investigate the in vivo effect of beta-casomorphin-7on the regulation of gastric somatostatin and gastrin messenger RNA in rat gastric mucosa.METHODS: S...
[期刊论文] 作者:SUN Sheng-di,ZONG Ying-ying,SH, 来源:中国有色金属学报(英文版) 年份:2004
The hot deformation behavior of Ti-6Al-4V (TC4) titanium alloy was investigated in the temperature range from 650 ℃ to 950 ℃ with the strain rate ranging from...
[期刊论文] 作者:Heng Cui,Yanbing Zong,Daqiang, 来源:北京科技大学学报(英文版) 年份:2004
The effect of electropulse on the solidification structure of commercially pure aluminium was studied. The orthogonal array L9 was used to determine the effect...
[期刊论文] 作者:张乾能,Zong Li, 来源:饲料工业 年份:2004
锤片式粉碎机广泛应用于饲料加工行业.为了便于设计和仿真,利用UG NX的三维建模功能,建立粉碎机的三维模型.同时,用UG NX的模型分析和运动仿真模块,对粉碎机进行分析,提高了...
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