QQ客服 官方微博 反馈留言

浏览/检索结果: 共45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 Constrained Large-Eddy Simulation of Compressible Flow Past a Circular Cylinder 期刊论文 communications in computational physics, 2014 Hong, Renkai; Xia, Zhenhua; Shi, Yipeng; Xiao, Zuoli; Chen, Shiyi 收藏  |  浏览/下载：4/0  |  提交时间：2015/11/13 Compressible flow  constrained large-eddy simulation  circular cylinder  separated flow  TRANSONIC FLOW  TURBULENCE  MODELS  NUMBER  SEQUEL  SCHEME   An inter-laboratory investigation of the Arctic sea ice biomarker proxy IP25 in marine sediments: key outcomes and recommendations 期刊论文 climate of the past, 2014 Belt, S. T.; Brown, T. A.; Ampel, L.; Cabedo-Sanz, P.; Fahl, K.; Kocis, J. J.; Masse, G.; Navarro-Rodriguez, A.; Ruan, J.; Xu, Y. 收藏  |  浏览/下载：5/0  |  提交时间：2015/11/16 HIGHLY BRANCHED ISOPRENOIDS  HOLOCENE CLIMATE  FRAM STRAIT  BARENTS SEA  RECONSTRUCTION  IDENTIFICATION  VARIABILITY  HISTORY  RECORDS  DIATOMS   内蒙古呼和浩特变质核杂岩韧性拆离带~(40)Ar-~(39)Ar定年及其构造含义 期刊论文 岩石学报, 2014 刘江; 张进江; 郭磊; 戚国伟 收藏  |  浏览/下载：6/0  |  提交时间：2015/11/16 呼和浩特变质核杂岩  韧性剪切带  40Ar-39Ar定年  大青山  Hohhot core complex  Ductile shear zone  Ar-40-Ar-39 dating  Daqing Shan   Spin Glass State in S=3/2 Kagome Antiferromagnet Co(N-3)(2)(bpg)[(CH3)(2)(NCOH)](4/3) 其他 2014-01-01 Vrabel, P.; Cizmar, E.; Orendacova, A.; Gao, S.; Orendac, M. 收藏  |  浏览/下载：9/0  |  提交时间：2015/11/16 Selective Hydrogenolysis of Xylitol to Ethylene Glycol and Propylene Glycol over Silica Dispersed Copper Catalysts Prepared by a Precipitation-Gel Method 期刊论文 chemcatchem, 2014 Liu, Hailong; Huang, Zhiwei; Xia, Chungu; Jia, Yuqing; Chen, Jing; Liu, Haichao 收藏  |  浏览/下载：2/0  |  提交时间：2015/11/16 biomass  copper  gels  heterogeneous catalysis  supported catalysts  CU/SIO2 CATALYSTS  SUGAR ALCOHOLS  BIOMASS  CHEMICALS  SORBITOL  GLYCEROL  CONVERSION  FUELS  PERFORMANCE  RUTHENIUM   X衍射精细结构和晶体旋光角研究D-,L-,DL-缬氨酸晶格分子间N~+H…O~-氢键电子库珀对的自旋流超导相变(英文) 其他 2014-01-01 王文清; 张玉凤; 龚 收藏  |  浏览/下载：5/0  |  提交时间：2015/10/24 D-  D-, L- and DL-valine crystal  X-ray crystal fine structure  Optical rotatory angle  Clockwise and counterclockwise rotation of NH3 ->  Intermolecular N+H center dot center dot center dot O(-)hydrogen bond on lattice surface  Electron Cooper pairing  Spin superfluidity in superconducting state  L-和DL-缬氨酸晶体  X衍射晶体精细结构  晶体旋光角  NH3→CO2顺时针与逆时针走向  晶格表面分子间N+H…O-氢键  电子库珀对  自旋流超导相变  CO2   Crystallization in Ionic Liquids: Synthesis, Properties, and Polymorphs of Uranyl Salts 期刊论文 crystal growth design, 2014 Qu, Feng; Zhu, Qian-Qian; Liu, Chun-Li 收藏  |  浏览/下载：6/0  |  提交时间：2015/11/10 HIRSHFELD SURFACE-ANALYSIS  ROOM-TEMPERATURE  CRYSTAL-STRUCTURES  1-BUTYL-3-METHYLIMIDAZOLIUM HEXAFLUOROPHOSPHATE  INTERMOLECULAR INTERACTIONS  CATALYZED TRANSFORMATION  THIOCYANATE COMPLEXES  IMIDAZOLIUM CATION  AQUEOUS-SOLUTIONS  AB-INITIO   Improved electrochemical hydrogen storage properties of Mg-Y thin films as a function of substrate temperature 期刊论文 journal of energy chemistry, 2014 Wang, Yanyan; Xin, Gongbiao; Wang, Chongyun; Li, Huiyu; Li, Wei; Zheng, Jie; Li, Xingguo 收藏  |  浏览/下载：2/0  |  提交时间：2015/11/10 Mg-Y thin films  substrate temperature  electrochemical hydrogen storage  discharge capacity  cyclic stability  metal hydride/nickel secondary batteries  PULSED-LASER DEPOSITION  NI  ALLOYS   Hierarchically Ordered ABA Triblock Copolymer with Large Difference in Glass Transition Temperatures of the Two Blocks 期刊论文 journal of polymer science part a polymer chemistry, 2014 Li, Chang-Feng; Zhang, Qi-Kai; Tian, Hai-Jian; Chai, Chun-Peng; Gao, Long-Cheng; Shen, Zhihao; Fan, Xing-He; Luo, Yun-Jun 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/10 hierarchical structure  lamellar  liquid-crystalline polymers  phase separation  triblock polymer  TRANSFER RADICAL POLYMERIZATION  LIQUID-CRYSTALLINE POLYMERS  COIL DIBLOCK COPOLYMER  DESIGN  PHASE   Ordered Nanostructures at Two Different Length Scales Mediated by Temperature: A Triphenylene-Containing Mesogen-Jacketed Liquid Crystalline Polymer with a Long Spacer 期刊论文 journal of polymer science part a polymer chemistry, 2014 Zhu, Yu-Feng; Tian, Hai-Jian; Wu, Hong-Wei; Hao, De-Zhao; Zhou, Yu; Shen, Zhihao; Zou, De-Chun; Sun, Ping-Chuan; Fan, Xing-He; Zhou, Qi-Feng 收藏  |  浏览/下载：6/0  |  提交时间：2015/11/10 liquid-crystalline polymer (LCP)  nanocomposite  structure-property relation  WAXD  LANGMUIR-BLODGETT-FILMS  MAIN-CHAIN  NMR-SPECTROSCOPY  PHASE-BEHAVIOR  SIDE-GROUPS  ALIGNMENT  LITHOGRAPHY  INDUCTION  MOLECULES  STATE