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[期刊论文] 作者:Chao Xu,Chao You,
来源:地学前缘:英文版 年份:2021
Expanding urbanization and agricultural intensification across neighboring South Asia and East Asia have substantially threatened atmospheric condition over the...
[期刊论文] 作者:CHAO Qingchen,CHAO Jiping,
来源:黑龙江科技学院学报 年份:2012
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:CHAO Jiping,CHAO Qingchen,LIU,
来源:黑龙江科技学院学报 年份:2006
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:Evan Chao,,
来源:新东方英语(中学生) 年份:2011
在巴黎鳞次栉比的古典建筑中,有一座建筑物看起来就像一个正在建设中的工地,显得怪异、突兀。而它居然是巴黎的一大名胜,参观人数远超过埃菲尔铁塔,居法国首位。它就是蓬...
[期刊论文] 作者:Mae Chao,
来源:中国青年科技 年份:1999
一个非营利组织要为处于困境中的人提供有效的服务,就必须有足够的资金和资源。一百余年来,联合之路国际组织在美国及全球35个国家和地区进行着社区范围内(community-wi...
[期刊论文] 作者:Chao Zhao,
来源:半导体学报:英文版 年份:2020
Photocatalysis has been regarded as a sustainable and environmentally friendly technique for the degradation of contaminants.Graphitic carbon nitride(g/C3N4),an...
RNF181 and TPX2 expression in colon cancer tissue and their correlation with cancer cell viability a
[期刊论文] 作者:Chao Xiong,
来源:海南医科大学学报(英文版) 年份:2017
Objective:To study the RNF181 and TPX2 expression in colon cancer tissue and their correlation with cancer cell viability and angiogenesis.Methods:Colon cancer...
[期刊论文] 作者:Chao Lei,
来源:Journal of Sociology Study 年份:2018
Cultural Introduction in English VocabularyTeaching in China...
[期刊论文] 作者:Jing Chao,,
来源:Journal of Electronics(China) 年份:2012
This paper analyzes the security performance of a latest proposed remote two-factor user authentication scheme and proposes an improved scheme based on the dyna...
[期刊论文] 作者:Li Chao,
来源:现代国际关系:英文版 年份:2019
Germany has gradually increased its investment in Africa.In addition to promoting traditional economic and trade cooperation,Germany has paid more attention to...
[期刊论文] 作者:GAO Chao,
来源:重庆大学学报:英文版 年份:2008
变换器的一个新家庭,与一个周期控制技术和活跃漂流费用技术交换变换器的高效的 AC/DC 力量因素修正(陆军) ,被导出并且试验性地验证了。单相的 CCM 和 DCM 增加陆军切换变换器...
[期刊论文] 作者:Chao ZHANG,,
来源:Asian Agricultural Research 年份:2014
In view of domestic scientific and technological achievements at present,real-time control circuit for greenhouse temperature and light intensity has been desig...
[期刊论文] 作者:GUO Chao,
来源:哈尔滨工业大学学报:英文版 年份:2010
Based on particle filter framework,a robust tracker is proposed for tracking multiple faces of people moving in a scene.Although most existing algorithms are ab...
[期刊论文] 作者:ROBERT CHAO,
来源:今日电子 年份:2017
超级电容器是无与伦比的,因为他们可以与其他电池同时使用,或作为电池的替代品用于需要很多快速充放电周期的应用之中。超级电容器通常应用于短期能量存储、再生制动、静止的...
[期刊论文] 作者:GUO Chao,
来源:哈尔滨工业大学学报 年份:2009
To cope with the problem of tracking a human head in a complicated scene, we propose a method that adopts human skin color and hair color integrated with a kind...
A RESEARCH TO HIGH-PERFORMANCE MULTI-LEVEL SINGLEPHASE AC/DC POWER FACTOR CORRECT SWITCHING CONVERTE
[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: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: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:Gao Chao,
来源:电子科学学刊:英文版 年份:2005
This letter puts forward a method of modeling for the steady-state and small signal dynamic analysis on PWM, quasi-resonant and series/(parallel) resonant switc...
[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...
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