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期刊Thermoelastic equivalent circuit for laser ultrasound
《声学学报:英文版》1995年第1期66-72,共7页LI Zhichun (Institute of Acoustics, Tongji University, Shanghai 200092) 
On the basis of thermoelastic theory, a thermoelastic equivalent circuit model for laser-generated ultrasound has been proposed. With this model, laser-heated region is des cribed as a three-port electrical circuit wh...显示全部
关键词:THERMOELASTIC equivalent CIRCUIT HEAT CURRENT HEAT capacity 
期刊各向异性材料流动应力模型研究被引量:2
《华中科技大学学报:自然科学版》2018年第8期45-49,共5页刘国承 王超 宋燕利 薛鹏举 
国家重点研发计划资助项目(2018YFB1106700);新能源汽车科学与关键技术学科创新引智基地资助项目(B17034);湖北省自然科学基金资助项目(2016CFB269)
根据塑性应变的等效原理,基于Hill48屈服准则,建立各向异性材料等效塑性应变表达式,并应用于各向异性材料流动应力的建模.将Swift模型、Voce模型及Swift-Voce模型等流动应力模型应用于各向异性材料应变强化行为预测.结果表明:在材料均...显示全部
关键词:流动应力 塑性应变 各向异性 模型 等效 
期刊Wheel Profile Optimization of Speed-up Freight Train Based on Multi-population Genetic Algorithm
《机械工程(英文)》2021年第1期28-38,共11页Dabin CUI Pengcheng LEI Xing ZHANG Jingkang PENG 
The present work was supported by Sichuan Science and Technology Program(2020YJ0308 and 2021YJ0026).
The geometric shape of the wheel tread is mathematically expressed,and geometric parameters affecting the shape of the wheel were extracted as design variables.The vehicle dynamics simulation model was established bas...显示全部
关键词:Speed-up freight trains Wheel profile optimization Dynamic performance equivalent conicity 
期刊压力容器高压降多孔板结构的非线性分析
《大氮肥》2021年第3期159-161,174,共4页都跃良 李禹平 陶江 
采用ANSYS有限元分析软件研究分析压力容器多孔板的强度、稳定性的准确计算,综合考虑几何非线性、材料非线性影响,对多孔板进行弹塑性分析及屈曲分析,由于堵塞、结焦等原因,造成多孔板所承压降增大,进而计算得出承压极限值,对实际工程...显示全部
关键词:压力容器 多孔板 当量 非线性 强度 
期刊Effect of Intercropping of Legumes and Rates of Nitrogen Fertilizer on Yield and Yield Components of Maize (<i>Zea mays</i>L.) at Arba Minch
《美国植物学期刊(英文)》2017年第9期2159-2179,共21页Ewnetie Takele Zenebe Mekonnen Dereje Tsegaye Arega Abebe 
Intercropping of legumes and cereals, an old practice since ancient civilization, plays pivotal role to increase land use efficiency, improve income and food production per unit area and minimize the risks of crop fai...显示全部
关键词:PHENOLOGY CROPPING System Gross Monetary Value Land equivalent Ratio 
期刊CRYPTANALYSIS OF AN EXTENDED MQ SIGNATURE SYSTEM HTTM
《电子科学学刊:英文版》2013年第5期491-499,共9页Jing Zhengjun Yu Zhimin Gu Chunsheng Wu Fangsheng Zhao Xiaorong 
Supported by the National Natural Science Foundation of China(No.61142007);Natural Science Foundation of Universities of Jiangsu Province(13KJB520005);the Research Fund for the Graduate Innovation Program of Jiangsu Province(CXZZ13_0493)
Since Multivatriate Quadratic(MQ)-based Public Key Cryptosystem(MPKC)has been one of the hot research fields of post-quantum cryptography,it becomes important to analyze the security of new MPKC schemes.Wang et al.pro...显示全部
关键词:Multivariate Quadratic(MQ) problem CRYPTANALYSIS equivalent private key Forging signature Hash-based Tame Transformation and Minus(HTTM 
期刊Surface Finish Evaluation of AISI P100 Steel after Grinding with MQL Technique with Different Flow Rates
《机械工程与自动化:英文版》2020年第2期60-65,共6页Bruno Souza Abrão Mayara Fernanda Pereira Cleudes Guimarães Lurian Souza Vieira da Silva Rodrigo deSouza Ruzzi Rosemar Batista da Silva Eduardo Carlos Bianchi Alisson Rocha Machado 
This study was financed in part by the Coordenação de Aperfeiçoamento de Pessoal de Nível Superior—Brasil(CAPES)—Finance Code 001;The authors are grateful too to the FAPEMIG and the Post Graduate Program of Mechanical Engineering of UFU for financial support.Authors are also grateful to Villares Metals(Brazil);Saint Gobain Abrasives for supporting this work with workpiece material and wheel.One of authors thanks CNPq(PQ 2013 Project No.308067/2013)for the research scholarship and FAPEMIG project process No.PPM-00265-13 for financial support;The authors are also thankful to ABCM for transferring the copyright of the article.
Grinding operation is a finishing process often employed when high precision and narrow geometric tolerances are required.These requirements can be achieved only if cutting conditions are properly selected,especially ...显示全部
关键词:GRINDING AISI P100 steel MQL technique equivalent chip thickness surface roughness 
期刊Electrochemical Impedance Spectroscopy Study on Novel Carbon-Sulfur Nano-Composite Cathodes in Lithium Rechargeable Batteries被引量:1
《稀土学报:英文版》2004年第S1期89-94,共6页郑伟 胡信国 张翠芬 
KeyProgramsofScienceandTechnologyofGuangdongProvince (2 0 0 3 40 97)
Carbon-sulfur nano-composite cathodes for lithium rechargeable batteries were investigated by electrochemical impedance spectroscopy (EIS). The novel carbon-sulfur nano-composite material was synthesized by heating su...显示全部
关键词:high surface area activated carbon sublimed SULFUR electrochemical IMPEDANCE spectrum equivalent CIR 
期刊Numerical Simulation of Peen Forming
《上海交通大学学报》2004年第z2期73-78,共6页Kang Xiaoming Ma Zeen Gu Lin Chen ming 
Peen forming is the most important process for the manufacturing of integral wing skin panels. In order to determine peening parameters, an equivalent deformation theory was proposed in which peening parameters are tr...显示全部
关键词:peen FORMING WING SKIN PANEL equivalent DEFORMATION theory numerical simulation 
期刊Design, Fabrication, and Modeling of CMOS-Compatible Double Photodiode
《天津大学学报:英文版》2017年第2期163-167,共5页Sheng Xie Xuetao Luo Luhong Mao Haiou Li 
supported by the National Natural Science Foundation of China (No. 61474081);Guangxi Key Laboratory of Precision Navigation Technology and Application, Guilin University of Electronic Technology (No. DH201513)
A double photodiode(PD) constructed by p^+/N-well junction and N-well/p-sub junction was designed and fabricated in a UMC 0.18-lm CMOS process. Based on the device structure and mechanism of double PD, a novel small-s...显示全部
关键词:PHOTODIODE Device simulation equivalent CIRCUIT model SCATTERING PARAMETER 
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