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浏览/检索结果: 共58条，第1-10条 帮助 限定条件 发表日期：2014    专题：北京大学    第一署名单位    第一作者单位    通讯作者单位     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Motion Control of a Robotic Transtibial Prosthesis during Transitions between Level Ground and Stairs 会议论文 Yuan, Kebin; Wang, Qining; Zhu, Jinying; Wang, Long 收藏  |  浏览/下载：5/0  |  提交时间：2015/11/13 ANKLE-FOOT PROSTHESIS  AMPUTEES  DESCENT  WALKING  ASCENT   Processing and characterization of A-site deficient [(Ca, Sr) (x) (La, Nd)(2/3-2x/3)]TiO3 dielectric ceramics 期刊论文 journal of materials science materials in electronics, 2014 Saleem, Muhammad; Iqbal, Yaseen; Qin, Shan; Wu, Xiang; Ali, Shahid; Zhu, Feng 收藏  |  浏览/下载：2/0  |  提交时间：2015/11/16 STRUCTURAL CHARACTERISTICS  TOLERANCE FACTOR  MICROWAVE  PEROVSKITES  SYSTEM  IONS  LA   Experimental and theoretical investigations on high-pressure phase transition of Sr2Fe2O5 期刊论文 physics and chemistry of minerals, 2014 Zhu, Feng; Wu, Ye; Lai, Xiaojing; Qin, Shan; Yang, Ke; Liu, Jing; Wu, Xiang 收藏  |  浏览/下载：4/0  |  提交时间：2015/11/10 Sr2Fe2O5  Pressure-induced phase transition  X-ray diffraction  Density functional theory  Electronic properties  AUGMENTED-WAVE METHOD  NEUTRON-DIFFRACTION  MAGNETIC-PROPERTIES  BROWNMILLERITE  TEMPERATURE  CRYSTAL  SYSTEM  SRFEOX  STATE  N=2   Pressure-induced drastic collapse of a high oxygen coordination shell in quartz-like alpha-GeO2 期刊论文 新物理学学报, 2014 Dong, Juncai; Zhang, Xiaoli; Zhang, Qian; Wu, Ye; Wu, Xiang; Wu, Ziyu; Chen, Dongliang 收藏  |  浏览/下载：2/0  |  提交时间：2015/11/11 RAY-ABSORPTION SPECTROSCOPY  GEO2 POLYMORPHS  INDUCED AMORPHIZATION  CRYSTAL-STRUCTURES  FINE-STRUCTURE  VITREOUS GEO2  BORON-CARBIDE  MEMORY-GLASS  SILICA  TRANSFORMATION   断层厚度的地震效应和非对称地震矩张量 期刊论文 地球物理学报, 2014 刘超; 陈运泰 收藏  |  浏览/下载：4/0  |  提交时间：2015/11/11 断层厚度  非对称矩地震张量  震源时间函数  标量地震矩  断层的不确定性  Fault thickness  Asymmetric seismic moment tensor  Source-time function  Scalar seismic moment  Fault ambiguity   From microscopic theory to macroscopic theory - symmetries and order parameters of rigid molecules 其他 2014-01-01 Xu Jie; Zhang PingWen 收藏  |  浏览/下载：2/0  |  提交时间：2015/11/11 liquid crystals  symmetry  order parameter  bent-core molecules  excluded volume  LIQUID-CRYSTAL POLYMERS  SHEAR FLOWS  EQUATION  SPHERE   XRD and Raman study on crystal structures and dielectric properties of Ba[Mg(1-x)/3ZrxNb2(1-x)/3]O-3 solid solutions 期刊论文 ceramics international, 2014 Zhang, Han; Diao, Chuanling; Liu, Shulian; Jiang, Shouzhen; Jing, Xiping; Shi, Feng 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/11 C. Dielectric properties  Microwave dielectric ceramics  Raman spectra  Crystal structures  Vibrational modes  BA(ZN1/3TA2/3)O-3 CERAMICS  MICROWAVE DIELECTRICS  SPECTROSCOPY  PEROVSKITES  RESONATOR  CONSTANT  DISORDER  NIOBATE  MODES  MG   Interlayer vibrational modes in few-quintuple-layer Bi2Te3 and Bi2Se3 two-dimensional crystals: Raman spectroscopy and first-principles studies 期刊论文 physical review b, 2014 Zhao, Yanyuan; Luo, Xin; Zhang, Jun; Wu, Junxiong; Bai, Xuxu; Wang, Meixiao; Jia, Jinfeng; Peng, Hailin; Liu, Zhongfan; Quek, Su Ying; Xiong, Qihua 收藏  |  浏览/下载：2/0  |  提交时间：2015/11/15 ENHANCED THERMOELECTRIC PROPERTIES  TOPOLOGICAL INSULATOR NANORIBBONS  NANOPLATELET COMPOSITES  LATTICE-VIBRATIONS  GRAPHENE  SURFACE  SB2TE3   T-10 Polyhedral Oligomeric Silsesquioxane-Based Shape Amphiphiles with Diverse Head Functionalities via "Click" Chemistry 期刊论文 acs macro letters, 2014 Feng, Xueyan; Zhu, Sunsheng; Yue, Kan; Su, Hao; Guo, Kai; Wesdemiotis, Chrys; Zhang, Wen-Bin; Cheng, Stephen Z. D.; Li, Yiwen 收藏  |  浏览/下载：4/0  |  提交时间：2015/11/16 MULTITAILED GIANT SURFACTANTS  LIQUID-CRYSTALLINE  BLOCK  POLYMER  NANOPARTICLES  POLYSTYRENE  FERROCENE  FILMS  COPOLYMERS  ALIGNMENT   Flower-like nanostructure MNb2O6 (M = Mn, Zn) with high surface area: Hydrothermal synthesis and enhanced photocatalytic performance 期刊论文 材料研究通报, 2014 Huang, Xue; Jing, Yan; Yang, Jia; Ju, Jing; Cong, Rihong; Gao, Wenliang; Yang, Tao 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/16 Nanostructures  Chemical synthesis  Electron microscopy  Catalytic properties  VISIBLE-LIGHT IRRADIATION  ELECTRICAL-PROPERTIES  ZNNB2O6 POWDER  WATER  TA5+  O-2  H-2