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浏览/检索结果: 共89条，第1-10条 帮助 限定条件 发表日期：2013    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 Method for Design of Dual-Band Flat Radome Wall Structure 期刊论文 aiaa journal, 2013 Zhou, Licheng; Pei, Yongmao; Zhang, Rubing; Fang, Daining 收藏  |  浏览/下载：6/0  |  提交时间：2015/11/13 AIRBORNE APPLICATIONS  PERFORMANCE   Global patterns of NDVI-indicated vegetation extremes and their sensitivity to climate extremes 期刊论文 environmental research letters, 2013 Liu, Guo; Liu, Hongyan; Yin, Yi 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/13 NDVI  vegetation extreme  global vegetation vulnerability  climate extreme  INDEPENDENT COMPONENT ANALYSIS  NET PRIMARY PRODUCTION  SOUTHERN AFRICA  SATELLITE DATA  UNITED-STATES  EL-NINO  DROUGHT  FOREST  VULNERABILITY  AMAZON   Passive super-low frequency remote sensing system 其他 2013-01-01 Wang, Nan; Qin, Qiming 收藏  |  浏览/下载：2/0  |  提交时间：2015/11/17 Determination of the Internal Pressure of Fluid Inclusions by Using Raman Spectroscopy 期刊论文 应用光谱学, 2013 Yang, Yuping; Zheng, Haifei; Sun, Qiang; Li, Jiankang; Chen, Zhenghui 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/16 H2O-NaCl system  Fluid inclusion  Raman spectroscopy  Pressure  DIAMOND-ANVIL CELL  LIQUID WATER  HIGH-TEMPERATURE  NATURAL QUARTZ  NACL-H2O  500-DEGREES-C  DEPENDENCE  FREQUENCY  H2O-NACL  EQUATION   Fast Stereo Aerial Image Construction and Measurement for Emergency Rescue 其他 2013-01-01 Dong, N.; Ren, X.; Sun, M.; Jiang, C.; Zheng, H. 收藏  |  浏览/下载：4/0  |  提交时间：2015/11/16 Stereo image  Measurement  MUAV  Mosaic   Circular polarization ratio characteristics of impact craters from Mini-RF observations and implications for ice detection at the polar regions of the Moon 期刊论文 journal of geophysical research planets, 2013 Fa, Wenzhe; Cai, Yuzhen 收藏  |  浏览/下载：5/0  |  提交时间：2015/11/10 Moon  ice deposits  circular polarization ratio  surface slope  rocks  craters  LUNAR SOUTH-POLE  COHERENT-BACKSCATTER  70-CM WAVELENGTH  RADAR ECHOES  DEPOSITS  ARECIBO  MERCURY  SURFACE  IMAGES  WATER   煤田隐伏断层的超低频频谱特征研究 期刊论文 光谱学与光谱分析, 2013 陈理; 秦其明; 甄广伟; 王楠; 白琰冰; 陈超 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/11 隐伏断层 超低频 频谱特征 小波变换 Buried fault Super-low-frequency Wavelet transform Spectrum characteristics  Buried fault  Super-low-frequency  Wavelet transform  Spectrum characteristics   Global variation of ULF geomagnetic fields and detection of anomalous changes at a certain observatory using reference data 期刊论文 2013 Hattori, Katsumi; Han, Peng; Huang, Qinghua 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/11 ULF geomagnetic data  global variation  daily variation  geomagnetic pulsation  wavelet filter  principal component analysis  SIGNAL DISCRIMINATION  EARTHQUAKE SWARM  JAPAN  EMISSIONS   The neural signature of spatial frequency-based information integration in scene perception 期刊论文 experimental brain research, 2013 Mu, Tonglin; Li, Sheng 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/10 Spatial frequency  Scene perception  Context effect  Congruency  ERP  Anterior N1  TOP-DOWN FACILITATION  OBJECT RECOGNITION  DECISION-MAKING  TIME-COURSE  CATEGORIZATION  COARSE  IMAGES  FACES  CHANNELS  VISION   Drug-likeness analysis of traditional Chinese medicines: 2. Characterization of scaffold architectures for drug-like compounds, non-drug-like compounds, and natural compounds from traditional Chinese medicines 期刊论文 journal of cheminformatics, 2013 Tian, Sheng; Li, Youyong; Wang, Junmei; Xu, Xiaojie; Xu, Lei; Wang, Xiaohong; Chen, Lei; Hou, Tingjun 收藏  |  浏览/下载：2/0  |  提交时间：2015/11/11 Scaffold  Drug-likeness  Traditional Chinese medicines  Murcko frameworks  Scaffold tree  Tree maps  CHEMICAL SPACE  STRUCTURE DATABASE  LIPID PEROXIDE  PRODUCTS  LIBRARIES  CLASSIFICATION  VISUALIZATION  EXPLORATION  ABSORPTION  DIVERSITY