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2003-2020 全部
为您找到包含“zero”的内容共858

杨纪华,张二丽,刘媚

2015-12-10

Hopf-zero分支,并发现当时滞较大时,系统出现了混沌现象。然后,利用中心流形理论和Hassard规范型方法分析了分支周期解的稳定性和Hopf分支的分支方向,给出了关于分支方向和分支周期解稳定性的详细计算公式

宁夏自然科学基金资助项目 (NZ13213

国家自然科学基金资助项目 (11361046

宁夏师范学院数学与计算机科学学院,固原 756000;北京师范大学数学科学学院,北京,100875,郑州财经学院信息工程学院,郑州 450000,宁夏师范学院数学与计算机科学学院,固原 756000

#数学#

本文收录在中国科技论文在线精品论文,2016,9(7):650-661.

0评论(1 分享(0)

Sun Hongxin,Wu Chengwei

force of two approaching surfaces, definition of zero separation of rough surfaces is very important.

2005-01-18

高等学校博士学科点专项基金(20030141013

Dalian University of Technology,Dept. of Engineering Mechanics

#Mechanics#

0评论(0 分享(0)

Xiao Jianhua

shows that the plastic intermediate configuration is defined by zero intrinsic stretching or zero

2007-03-09

Henan Polytechinc University

#Mechanics#

0评论(0 分享(0)

Yiqun Ding,Zhengyou Liu

It demonstrates that the displacement of the barycenter of the basic unit turns to zero at the upper

2005-12-08

教育部博士点基金,National Natural Science Foundation of China(20020486013,50425206,10418014,10174054

Wuhan University,Wuhan University

#Physics#

0评论(0 分享(0)

SUN Yifei

behave somewhat differently, in contrast, when 冄僴 approaches to zero their behaviors observe very

2009-10-20

department of engineering mechanics of hohai university

#Physics#

0评论(1 分享(0)

Xiao Jianhua

in that, at the local braking-down zone, the strain sensor gives out zero strain while the calculated

2007-05-04

Henan Polytechnic University

#Mechanics#

0评论(0 分享(0)

Sun Zhiyuan,Gao Yitian,Yu Xin,Liu Ying

Electroosmotic flow (EOF) is an effctive way for pumping, separating and mixing fluids in microfluidics. In this paper the characteristics of EOF in microchannels with special-designed geometry are investigated. By using the bilinear method and symbolic computation, the complete analytic solutions to the two-dimensional Poisson-Boltzmann equation and Navier-Stokes equation under certain assumptions are obtained, which can be applied to model the electrical double layer 痚ld and the flow 痚ld. Based on the analytic solutions, the influence factors on the velocity 痚ld and the volumetric flowrate,including the channel cross-section, ionic concentration and applied electric 痚ld strength,are taken into consideration. These results might provide valuable insights into the opti-mal design of microchannel geometry to achieve flow control in relevant applications.

2009-04-09

National Natural Science Foundation(60772023

Open Fund of the State Key Laboratory(SKLSDE-07-001

973 Program(2005CB321901

Specialized Research Fund for the Doctoral Program(20060006024 and 200800130006

Ministry-of-Education Key Laboratory of Fluid Mechanics and National Laboratory for Computational Fluid Dynamics, Beijing University of Aeronautics and Astronautics,Ministry-of-Education Key Laboratory of Fluid Mechanics and National Laboratory for Computational Fluid Dynamics, Beijing University of Aeronautics and Astronautics,Ministry-of-Education Key Laboratory of Fluid Mechanics and National Laboratory for Computational Fluid Dynamics, Beijing University of Aeronautics and Astronautics,Ministry-of-Education Key Laboratory of Fluid Mechanics and National Laboratory for Computational Fluid Dynamics, Beijing University of Aeronautics and Astronautics

#Mechanics#

SONG Qi,NIU Kai

, thenear-optimal regularized zero-forcing (RZF) precoding is difficultto achieve when the number of antennas is

2015-12-02

Department of Information and Communication Engineering, Beijing University of Posts and Telecommunications,Department of Information and Communication Engineering, Beijing University of Posts and TelecommunicationsDepartment of Information and Communication Engineering, Beijing University of Posts and Telecommunications

#Electrics, Communication and Autocontrol Technology#

0评论(0 分享(0)

刘雪艳,张雪英,黄丽霞

2011-11-09

Gammachirp滤波器组用于过零峰值幅度(Zero Crossing Peak Amplitude,ZCPA)特征提取,并与RBF后端识别网络结合进行仿真实验。在不依赖声压强度的情况下,得到不同啁啾因子下ZCPA

山西省自然科学基金(No.2010011020-1

国家自然科学基金项目(No.61072087

太原理工大学信息工程学院,太原 030024,太原理工大学信息工程学院,太原 030024,太原理工大学信息工程学院,太原 030024

#电子、通信与自动控制技术#

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