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41篇 您的检索式:作者名="Yankui"
    题名 作者 年代 出处 被引量
1Interactive visualization of 3D lunar model with texture and labels,using Chang'E-1 data显示文摘A lunar model with real texture can be obtained by mapping texture onto the lunar mesh,but the convergence in the polar regions of lunar model is a problem.In this paper,we build a 3D lunar model and solve this problem by texture partitioning and transforming.The whole lunar map is divided into four images and the polar images are transformed to circular textures before mapped to the semi-regular(SR) lunar mesh which is obtained through denoising,triangulating,subdividing and resampling the laser altimetry(LAM) data.Hundreds of lunar labels are classed into three levels and added gradually to the lunar model considering the distance between the viewpoint and the moon center.Through some techniques such as mip-map and view-dependent,the lunar model with textures and labels can be interactively browsed on a personal computer(PC) in real time.DONG YaFeng SUN YanKui TANG ZeSheng 2013Science China(Physics,Mechanics & Astronomy)2013,56,10:6
2Study on flow behavior and structure over chined fuselage at high angle of attack显示文摘A study of leeward vortex structure over chined fuselage and the effects of micro tip perturbation on its vortex flow have been carried out in wind tunnel experiments at Reynolds numbers from 1.26×105 to 5.04×105 with PIV and pressure measurement techniques.Firstly,the experiment results have proved that micro tip perturbation has no effects on the vortex flow and its aerodynamic characteristics over chined fuselage at high angle of attack,in which there are not any non-deterministic flow behaviors.Secondly,the evolution of leeward vortex structure over chined fuselage along the axis of model can be divided into four flow regimes:linear conical developed regime,decay regime of leeward vortex intensity,asymmetric leeward vortex break down regime and completely break down regime.And a correlation between leeward vortex structure and sectional aerodynamic force was also revealed in the present paper.Thirdly,the experiment results show the behavior of leeward vortex core trajectories and zonal characteristics of leeward vortex structure with angles of attack.Finally,the experiment results of Reynolds number effect on the leeward vortex flow have further confirmed research conclusions from previous studies:the flows over chined fuselage at high angles of attack are insensitive to variation of Reynolds number,and there is a little effect on the secondary boundary layer separation and the suction peak induced by leeward vortex.TIAN Wei,DENG XueYing ,WANG YanKui,FAN GuoLei&DONG Chao Ministry of Education Key Laboratory of Fluid Mechanics,Beijing University of Aeronautics and Astronautics,Beijing 100191,China 2010Science China(Technological Sciences)2010,53,8:5
3Entanglement charge of thermal states显示文摘Entanglement charge is an operational measure to quantify nonlocalities in ensembles consisting of bipartite quantum states.Here we generalize this nonlocality measure to single bipartite quantum states.As an example,we analyze the entanglement charges of some thermal states of two-qubit systems and show how they depend on the temperature and the system parameters in an analytical way.YE MingYong LIN XiuMin BAI YanKui WANG ZiDan 2012Science China(Physics,Mechanics & Astronomy)2012,55,4:2
4Influence of artificial tip perturbation on asymmetric vortices flow over a chined fuselage显示文摘An experimental study was conducted with the aim of understanding behavior of asymmetric vortices flow over a chined fuselage.The tests were carried out in a wind tunnel at Reynolds number of 1.87 · 105 under the conditions of high angles of attack and zero angle of sideslip.The results show that leeward vortices flow becomes asymmetric vortices flow when angle of attack increases over 20.The asymmetric vortices flow is asymmetry of two forebody vortices owing to the increase of angle of attack but not asymmetry of vortex breakdown which appears when angle of attack is above 35.Asymmetric vortices flow is sensitive to tip perturbation and is nondeterministic due to randomly distributed natural minute geometrical irregularities on the nose tip within machining tolerance.Deterministic asymmetric vortices flow can be obtained by attaching artificial tip perturbation which can trigger asymmetric vortices flow and decide asymmetric vortices flow pattern.Triggered by artificial tip perturbation, the vortex on the same side with perturbation is in a higher position, and the other vortex on the opposite side is in a lower position.Vortex suction on the lower vortex side is larger, which corresponds to a side force pointing to the lower vortex side.Shi Wei Deng Xueying Tian Wei Wang Yankui 2015Chinese Journal of Aeronautics2015,28,4:2
5The Applications of Wavelets in Hierarchical Representations and Smoothing of Curves and Surfaces显示文摘TheApplicationsofWaveletsinHierarchicalRepresentationsandSmoothingofCurvesandSurfaces①SunYankuiZhuXinxiongMaLingBeijingUnvier...Sun Yankui Zhu Xinxiong Ma Ling Beijing Unviersity of Aeronautics and Astronautics 1997Computer Aided Drafting,Design and Manufacturing1997,7,2:2
6Expected value operator of random fuzzy variable and random fuzzy expected value models 显示文摘Liu Yankui Liu Baoding 2003International Journal of Uncertainty Fuzziness and Knowledge-Based Systems2003,11,2:1
7Fuzzy random programming with equilibrium chance constraints显示文摘Liu Yankui Liu Baoding 2005Information Sciences2005,170,:1
8Expected value of fuzzy variable and fuzzy expected value models显示文摘LIU Baoding LIU Yankui 2002IEEE Transactions on Fuzzy Systems2002,10,:1
9Adsorption behavior of Cr(Ⅵ) ions on tannin-immobilized activated clay显示文摘LI Wen TANG Yankui ZENG Yutao 0,,:1
10The pretreat- ment of cucumber with methyl jasmonate regulates an- tioxidant enzyme activities and protects chloroplast and mitochondrial ultrastructure in chilling stressed leaves显示文摘Li Dongmei Guo Yankui Li Qian 2012Scientia Horticuhurae2012,143,:1
11Influence of ammonium polyphosphate microencapsulation on flame retardancy,thermal degradation and crystal structure of polypropylene composite显示文摘Wu Kun Zhang Yankui Hu Wenguang 2013Compos Sci Techn2013,81,14:1
12Influence of ammonium polyphosphate microencapsulation on flame retardancy,thermal degradation and crystal structure of polypropylene composite显示文摘Kun Wu Yankui Zhang Wenguang Hu 2013Composites Science and Technology2013,81,:1
13Inhibitory effect of mycophenolate mofetil on human hepatocellular carcinoma cell line HepG-2显示文摘Objective:To investigate the inhibitory effect of mycophenolate mofetil on human hepatocellular carcinoma cell line HepG-2. Methods: HepG-2 cells were cultured in the presence of the different concentrations of mycophenolate mofetil in vitro. MTT assay was used to analyze the inhibition of cell viability conferred by mycophenolate mofetil. Cell apoptosis was observed using Hoechst33258 staining, and the percentage of HepG-2 cells at different cell cycles was determined through flow cytometry. The ability of cell adhesion was evaluated by in vitro adhesion assay. Gene expressions of factors (ICAM-1 and VCAM-1) were detected by RT-PCR. Results: Mycophenolate mofetil significantly inhibited the growth of HepG-2 cells by inducing the apoptosis of cells and this drug also inhibited the adhesion of HepG-2 cells in a dose-dependent manner. Marked morphological changes characterized in cell apoptosis were demonstrated through Hoechst33258 staining. In addition, mycophenolate mofetil decreased the proportion of S phase cells and increased that of G0/G1 phase cells. [3H]-Thymidine uptake assay indicated that the application of mycophenolate mofetil at different concentrations significantly inhibited the cell proliferation. RT-PCR identified the expression levels of ICAM-1 and VCAM-1 genes in liver cancer cells after cultured for 72 h with different concentrations of drug. An inverse relationship was found between the expressions of ICAM-1 and VCAM-1 and drug concentrations. Conclusion: Mycophenolate mofetil has remarkable inhibitory effect on hepatocarcinoma HepG-2 cells.Chu Yankui Lu Jianguo Yin Jikai Cai Liang Liu Yi 2009Journal of Medical Colleges of PLA(China)2009,24,4:1
14Wavelet based fairing of B-spline surface 显示文摘Sun Yankui Zhu Xinxiong 1999Chinese Journal of Aeronautics1999,12,3:1
15Wavelet based fairing of B-spline sur- face显示文摘Sun Yankui Zhu Xinxiong 1999Chinese Journal of Aeronautics1999,12,3:1
16Expected value of fuzzy variable and fuzzy expected value models 显示文摘LIU Baoding LIU Yankui 2002IEEE Transactions of Fuzzy Systems2002,10,4:1
17Expected value of fuzzy variable and fuzzy expected value models 显示文摘Baoding Liu Yankui Liu 2002IEEE Transactions on Fuzzy Systems (S1063-6706)2002,10,4:1
18Mechanism of perturbation-combined active control technique for asymmetric vortex flow over slender body at high angle of attack显示文摘在攻击的高角度在不变的圆谷物下面在苗条身体上基于不对称的旋涡流动的 determinability ,在不对称的流动的行为上在特殊位置设置的 microblowing 的效果在这份报纸被讨论,包括向鼻子尖端在直径吹气动量和 0.5 公里的 microblowing 洞的环绕的地点。一种新有点活跃的控制技术,命名联合不安的活跃控制技术,联合微谷物、微吹的不安,根据上面被建议。这种控制技术不能仅仅通过改变在 yaw-left 和偏航恰好配置之间的旋涡位置任意地改变苗条身体的方面力量的符号,而且能甚至以不对称的旋涡的双稳态的状态逐渐地使方面力量的大小可变。最后,联合不安的活跃控制技术的干涉机制也从这份报纸被结束了。测试与 1.05 的 subcritical 雷纳兹数字在低速度风隧道被进行了????????????????????????????????????????吗?????????????WANG YanKui SHAN JiXiang TIAN Wei DENG XueYing DONG JinGang TIAN Xiao 2011Science China(Technological Sciences)2011,54,10:1
19Expected value operator of random variables and random fuzzy expected value models 显示文摘LIU Yankui LIU Baoding 2003International Journal of Uncertainty Fuzziness & Knowledge-based Systems2003,11,2:1
20Wavelet smoothing method of B-spline curve显示文摘SUN Yankui ZHU Xinxiong 1999Joural of Engineering Graphics1999,20,01:1
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