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[期刊论文] 作者:GAO Chao, 来源:重庆大学学报 年份:2004
A new family of converters, high-performance AC/DC power factor correction (PFC) switching converters with one-cycle control technology and active floating-char...
[期刊论文] 作者:WANG Chao, 来源:微计算机信息 年份:2004
针对精密电子设备中所要求的高电压、低电流的小功率电源系统,设计制作了一种高压开关电源.并时高压电源的响应特性进行了测试.制作出的电源系统具有体积小、稳定性好、响应...
[期刊论文] 作者:Gao Chao, 来源:电子科学学刊(英文版) 年份:2004
This letter studies and analyzes the working features of main circuit of tri-level boost Power Factor Correct (PFC) converter and the advantages of tri-level sw...
[期刊论文] 作者:CHAO Wei, 来源:中国物理C(英文版) 年份:2004
In the supersymmetric left-right model,the light neutrino masses are given by the Type-II seesaw mechanism.A duality property of this mechanism indicates that t...
[期刊论文] 作者:Alex Chao, 来源:中国物理C(英文版) 年份:2004
A SLIM formalism to deal with a general,linearly coupled accelerator lattice is summarized.Its application to a wide range of accelerator calculations is emphas...
[期刊论文] 作者:Chao Fulin, 来源: 年份:2004
In ancient Chinese thoughts,de is a comparatively complicated idea.Most of the researchers translated it directly into,"virtue",but this translation is not accu...
[会议论文] 作者:Chao Wu, 来源:第17届全国凝聚态理论和统计物理会议 年份:2004
[期刊论文] 作者:Anold Chao,, 来源:国内外机电一体化技术 年份:2004
泓格科技积极与学术研究单位合作研发的航行记录器系统,能促进车队的有效管理,更能够减少营运成本与增加工作效率。系统介绍近年来,全球车辆的数量都逐渐增加,如何有效的管理...
[期刊论文] 作者:Liang Chao,Zhang Chao,Dong Yan, 来源:稀土学报(英文版) 年份:2004
Heterogeneous precipitation method was used to prepared surface coating on self-made BaMgAl10O17:Eu phosphor. Results illustrate that the coating film can be si...
[期刊论文] 作者:LI Chao,JI Chang-wei,HE Chao,L, 来源:兵工学报(英文版) 年份:2004
The experimental investigation of homogeneous charge compression ignition (HCCI) process is carried out on a 4-cylinder diesel engine. One of the cylinders is m...
[期刊论文] 作者:Ju-XiangLi,Yong-ZhengPang,Chao, 来源:世界胃肠病学杂志:英文版(电子版) 年份:2004
AIM:Taurine has been shown to be an effective scavenger of hypochlorous acid (HOCI).The role of HOCI is well established in tissue damage associated with inflam...
[期刊论文] 作者:刘志军,BIAN Chao, 来源:通信技术 年份:2004
文章提出了一种新颖的把隐藏信息嵌入预选图像,通过N维Arnold置乱预选图像实现信息加密,并对载体图像进行DCT变换嵌入置乱图像的信息隐藏算法.主要包括N维Arnold图像置乱、信...
[期刊论文] 作者:CHAO, 来源:杂草科学 年份:2004
全球气候变化有利于外来杂草的入侵与传播,因为外来种通常可以快速适应环境.除草剂和抗除草剂作物的滥用使抗性杂草严重威胁现代农业的发展,这就需要新技术有效缓解当前的和...
[期刊论文] 作者:Qiang Wen Chao, 来源:中国物理(英文版) 年份:2004
The exact normalized bound state wavefunctions and energy equations of Klein-Gordon equation with equal scalar and vector ring-shaped Kratzer-type potential hav...
[期刊论文] 作者:Jane CJ Chao,, 来源:World Journal of Gastroenterology 年份:2004
AIM:To study the effect of Ginkgo biloba extract (EGb 761)containing 22-27% flavonoids (ginkgo-flavone glycosides)and 5-7% terpenoids (ginkgolides and bilobali...
[期刊论文] 作者:Yan Chao WU,Chao WU,Xiao Mao Z, 来源:中国化学快报(英文版) 年份:2004
A series of novel fluorine-containing acrylates 6a-6g were synthesized via the condensation of ethyl cyanoacetate and trifluoroacetic anhydride, followed by chl...
[期刊论文] 作者:CHAO Lei, OUYANG Yanfeng,, 来源:城市规划学刊 年份:2004
ue*M#’#dkB4##8#”专利申请号:00109“7公开号:1278062申请日:00.06.23公开日:00.12.27申请人地址:(100084川C京市海淀区清华园申请人:清华大学发明人:隋森芳文摘:本发明属于生物技...
[会议论文] 作者:贾宇, ZHANG Chao,, 来源: 年份:2004
根据《联合国海洋法公约》,200海里以外的大陆架当然也是沿海国大陆架的组成部分。共同开发是缓解大陆架划界争端的有效方法,其实施空间是在沿海国权利主张重叠的大陆架区域...
[期刊论文] 作者:LI Chao,XU Yue-min, 来源:上海交通大学学报(医学英文版) 年份:2004
Varicocele caused by diffuse large B-cell lymphoma is rare.Here,we reported our findings in a 48-year-old man,who was admitted to our hospital because of left v...
[期刊论文] 作者:LV Chao,王雨田, 来源:国际消化病杂志 年份:2004
随着现代医学诊断技术的发展,乳糜性腹水诊断率正逐年提高.我国是乙型肝炎高发的国家之一,肝硬化是我国乳糜性腹水发生的一个重要病因,此文对肝硬化乳糜性腹水的发生机理及治...
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