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DISK: 作品数：648被引量：604H指数：11; 导出分析报告; 相关领域：自动化与计算机技术更多>>; 相关作者：范然金小刚段洪涛李方张柏更多>>; 相关机构：中国科学院清华大学浙江大学北京理工大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划中国博士后科学基金国家高技术研究发展计划更多>>

A study of a supersonic capsule/rigid disk-gap-band parachute system using large-eddy simulation被引量：1: 《Applied Mathematics and Mechanics(English Edition)》2021年第4期485-500,共16页Sheng GONG Chuijie WU; Project supported by the National Natural Science Foundation of China(No.11372068);the National Basic Research Program of China(973 Program)(No.2014CB744104)。; The aerodynamic performances and flow features of the capsule/rigid disk-gap-band(DGB)parachute system from the Mach number 1.8 to 2.2 are studied.We use the adaptive mesh refinement(AMR),the hybrid tuned center-diffe...; 关键词：compressible flow adaptive mesh refinement(AMR) large-eddy simulation(LES) supersonic flow rigid disk-gap-band(DGB)parachute

Ball-disk rotor gyroscope adaptive quick-start technique: 《Frontiers of Information Technology & Electronic Engineering》2017年第9期1430-1436,共7页Xiao-wei LIU Rui WENG Hai LI Hai-feng ZHANG; Project supported by the National Basic Research Program of China （No. 2012CB934104）, the National Natural Science Foundation of China （No. 61474034）, the Natural Science Foundation of Heilongjiang Province of China （No. F201418）, and the Fundamental Research Funds for the Central Universities, China （Nos. HIT.NSRIF. 2014040 and HIT.NSRIF.2013040）; Rotating speed is a critical parameter affecting the performance of rotor gyroscopes. Rotor gyroscopes must operate at the rated rotating speed. To shorten the start time of the ball-disk rotor gyroscope, this paper p...; 关键词：Rotor gyroscope Magnetically driven Quick start Piecewise algorithm Closed-loop control

Mapping the Milky Way with LAMOSTⅠ:method and overview被引量：5: 《Research in Astronomy and Astrophysics》2017年第9期81-100,共20页Chao Liu Yan Xu Jun-Chen Wan Hai-Feng Wang Jeffrey L.Carlin Li-Cai Deng Heidi Jo Newberg Zi-Huang Cao Yong-Hui Hou Yue-Fei Wang Yong Zhang; supported by the Strategic Priority Research Program“The Emergence of Cosmological Structures”of the Chinese Academy of Sciences(Grant No.XDB09000000);the National Key Basic Research Program of China(2014CB845700);the National Natural Science Foundation of China(Grant Nos.11373032 and 11333003);a National Major Scientific Project built by the Chinese Academy of Sciences.Funding for the project has been provided by the project has been provided by the National Development and Reform Commission; We present a statistical method to derive the stellar density profiles of the Milky Way from spectroscopic survey data, taking into account selection effects. We assume the selection function, which can be altered dur...; 关键词：methods： statistical -- Galaxy structure -- Galaxy disk - Galaxy halo - surveys LAMOST

Quasars in the Galactic Anti-Center Area from LAMOST DR3: 《Research in Astronomy and Astrophysics》2017年第4期7-10,共4页Zhi-Ying Huo Xiao-Wei Liu Jian-Rong Shi Mao-Sheng Xiang Yang Huang Hai-Bo Yuan Jian-Nan Zhang Wei Zhang Jian-Ling Wang Yu-Zhong Wu Zi-Huang Cao Yong Zhang Yong-Hui Hou Yue-Fei Wang; supported by the National Key Basic Research Program of China(2014CB845705);the National Natural Science Foundation of China(Grant Nos.11403038,11473001 and U1531244);The Guo Shou Jing Telescope(the Large Sky Area Multi-Object Fiber Spectroscopic Telescope,LAMOST) is a National Major Scientific Project built by the Chinese Academy of Sciences;Funding for the project has been provided by the National Development and Reform Commission;LAMOST is operated and managed by National Astronomical Observatories,Chinese Academy of Sciences; Abstract We present a sample of quasars discovered in an area near the Galactic Anti-Center covering 150°≤l≤ 210° and ｜b｜ ≤ 30°, based on LAMOST Data Release 3 （DR3）. This sample contains 151 spectroscopica...; 关键词：Galaxy： disk -- quasars： emission lines -- reference systems -- proper motions -- ISM：kinematics and dynamics

Nonlinear compression of picosecond chirped pulse from thin-disk amplifier system through a gas-filled hollow-core fiber被引量：2: 《Chinese Physics B》2016年第12期277-282,共6页陆俊黄志远王丁许毅刘彦祺郭晓杨黎文开吴分翔刘征征冷雨欣; Project supported by the National Basic Research Program of China(Grant No.2011CB808101);the Funds from the Chinese Academy of Sciences,and the National Natural Science Foundation of China(Grant Nos.11127901,10734080,61221064,60908008,and 61078037); We theoretically study the nonlinear compression of a 20-rnJ, 1030-nm picosecond chirped pulse from the thin-disk amplifier in a krypton gas-filled hollow-core fiber. The chirp from the thin-disk amplifier system has ...; 关键词：picosecond pulse hollow-core fiber thin-disk amplifier spectrum broadening

Generation of 15 W femtosecond laser pulse from a Kerr-lens mode-locked Yb:YAG thin-disk oscillator被引量：2: 《Chinese Physics B》2016年第9期359-363,共5页彭英楠张金伟王兆华朱江峰李德华魏志义; Project supported by the National Basic Research Program of China(Grant No.2013CB922402);the National Major Instrument Program of China(Grant No.2012YQ120047);the National Natural Science Foundation of China(Grant Nos.11434016 and 61210017); We demonstrated a robust power-scalable Kerr-lens mode-locked（KLM） operation based on a Yb：YAG thin-disk oscillator.15-W,272-fs pulses were realized at a repetition rate of 86.7 MHz with an additional Kerr medium a...; 关键词：thin disk Kerr-lens mode-locking high power second harmonic generation

A 12.1-W SESAM mode-locked Yb:YAG thin disk laser被引量：1: 《Chinese Physics B》2016年第5期205-209,共5页彭英楠王兆华李德华朱江峰魏志义; Project supported by the National Key Basic Research Program of China(Grant No.2013CB922402);the National Major Instrument Program of China(Grant No.2012YQ120047);the National Natural Science Foundation of China(Grant No.61210017); Pumped by a 940 nm fiber-coupled diode laser, a passively mode-locked Yb：YAG thin disk oscillator was demonstrated with a semiconductor saturable absorber mirror（SESAM）. 12.1 W mode-locked pulses were obtained with...; 关键词：high power semiconductor saturable absorber mirror（SESAM） mode-locked laser thin disk

The evolution of stellar metallicity gradients of the Milky Way disk from LSS-GAC main sequence turn-off stars: a two-phase disk formation history?被引量：2: 《Research in Astronomy and Astrophysics》2015年第8期1209-1239,共31页Mao-Sheng Xiang Xiao-Wei Liu Hai-Bo Yuan Yang Huang Chun Wang Juan-Juan Ren Bing-Qiu Chen Ning-Chen Sun Hua-Wei Zhang Zhi-Ying Huo Alberto Rebassa-Mansergas; supported by the National Key Basic Research Program of China (2014CB845700);supported by the National Natural Science Foundation of China (Grant No.11473001);B.Q.C acknowledges partial funding from the China Postdoctoral Science Foundation (2014M560843); Accurate measurements of stellar metallicity gradients in the radial and vertical directions of the disk and their temporal variations provide important constraints on the formation and evolution of the Milky Way disk...; 关键词：Galaxy： abundances—Galaxy： disk—Galaxy： evolution – Galaxy： formation—techniques： spectroscopic

Galactic disk bulk motions as revealed by the LSS-GAC DR2被引量：2: 《Research in Astronomy and Astrophysics》2015年第8期1342-1363,共22页Ning-Chen Sun Xiao-Wei Liu Yang Huang Hai-Bo Yuan Mao-Sheng Xiang Hua-Wei Zhang Bing-Qiu Chen Juan-Juan Ren Chun Wang Yong Zhang Yong-Hui Hou Yue-Fei Wang Ming Yang; supported by the National Key Basic Research Program of China (2014CB845700); We report a detailed investigation of the bulk motions of the nearby Galactic stellar disk, based on three samples selected from the LSS-GAC DR2： a global sample containing 0.57 million FGK dwarfs out to ～2 kpc, a l...; 关键词：Galaxy： disk-Galaxy： kinematics and dynamics-Galaxy： stellar content

A Theoretical Analysis of Torque and Superlubric Motion in Bilayer Graphene Disks: 《Wuhan University Journal of Natural Sciences》2015年第2期173-179,共7页LI Jianwen LIU Nianhua; Supported by the National Basic Research Program of China(973 Program)(2013CB934200);the Key Program of the National Natural Science Foundation of China(10832005);the National Natural Science Foundation of China(11264030); To identify the relation between torque and superlubric motion, we investigate the interlayer sliding behavior of two graphene disks with numerical computation methods. The potential energy, lateral force and torque b...; 关键词：graphene disk incommensurate SUPERLUBRICITY TORQUE

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