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浏览/检索结果: 共27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 Microwave absorbance properties of zirconium-manganese substituted cobalt nanoferrite as electromagnetic (EM) wave absorbers 期刊论文 材料研究通报, 2014 Khan, Kishwar; Rehman, Sarish 收藏  |  浏览/下载：4/0  |  提交时间：2015/11/12 An Allometric Algorithm for Fractal-Based Cobb-Douglas Function of Geographical Systems 期刊论文 discrete dynamics in nature and society, 2014 Luo, Hongyu; Chen, Yanguang 收藏  |  浏览/下载：4/0  |  提交时间：2015/11/16 URBAN LAND-USE  CELLULAR-AUTOMATA  CITIES  GROWTH  FORM  MORPHOLOGY  DIMENSION  EVOLUTION  DENSITY  SHAPE   Regolith thickness over Sinus Iridum: Results from morphology and size-frequency distribution of small impact craters 期刊论文 journal of geophysical research planets, 2014 Fa, Wenzhe; Liu, Tiantian; Zhu, Meng-Hua; Haruyama, Junichi 收藏  |  浏览/下载：2/0  |  提交时间：2015/11/10 LUNAR REGOLITH  SURFACE LAYER  RADAR  NEARSIDE  BASALTS  SELENE  CAMERA  MOON   Zircon U-Pb ages and Hf isotopic analyses of migmatite from the 'paired metamorphic belt' in Chinese SW Tianshan: Constraints on partial melting associated with orogeny 期刊论文 lithos, 2014 Xia, Bin; Zhang, Lifei; Bader, Thomas 收藏  |  浏览/下载：6/0  |  提交时间：2015/11/10 Migmatite  Zircon U-Pb geochronology  Zircon Lu-Hf isotope  Thermobarometry  Chinese southwestern Tianshan  TI-IN-ZIRCON  CARBONIFEROUS VOLCANIC-ROCKS  TRACE-ELEMENT GEOCHEMISTRY  HIGH-PRESSURE METAMORPHISM  COESITE-BEARING ECLOGITE  ZONE SOUTHERN ALPS  WESTERN TIANSHAN  NW CHINA  LU-HF  GEOLOGICAL IMPLICATIONS   Extraction of bridges over water from high-resolution optical remote-sensing images based on mathematical morphology 期刊论文 国际遥感杂志, 2014 Chen, Chao; Qin, Qiming; Zhang, Ning; Li, Jun; Chen, Li; Wang, Jun; Qin, Xuebin; Yang, Xiucheng 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/10 MAN-MADE OBJECTS  MULTISPECTRAL IMAGES  INDEX NDWI  RECOGNITION  INFORMATION  FEATURES   The variation of the estimated GPS instrumental bias and its possible connection with ionospheric variability 期刊论文 science china technological sciences, 2014 Zhang DongHe; Shi Hao; Jin YaQi; Zhang Wei; Hao YongQiang; Xiao Zuo 收藏  |  浏览/下载：5/0  |  提交时间：2015/11/10 DCB  ionospheric variability  GPS  instrumental bias  solar cycle  TOTAL ELECTRON-CONTENT  GLOBAL POSITIONING SYSTEM  TEC  SATELLITE  PROTONOSPHERE  CALIBRATION  EQUATORIAL  LATITUDES  TOPEX  JAPAN   Structural characteristics, dispersion, and modification of fibrous brucite 期刊论文 international journal of minerals metallurgy and materials, 2014 Cao, Xi; Chuan, Xiu-yun 收藏  |  浏览/下载：5/0  |  提交时间：2015/11/10 fibrous brucite  dispersion  nanofibers  surface treatment  modification  THERMAL-DECOMPOSITION  MAGNESIUM-HYDROXIDE  MESOPOROUS SILICA  STEARIC-ACID  COMPOSITES  KAOLINITE  MECHANISM   Morphology of asteroid (4179) Toutatis as imaged by Chang'E-2 spacecraft 期刊论文 geophysical research letters, 2014 Zhu, Meng-Hua; Fa, Wenzhe; Ip, Wing-Huen; Huang, Jiangchuan; Liu, Tiantian; Meng, Linzhi; Yan, Jun; Xu, Aoao; Tang, Zesheng; Wang, Xiaolei; Qiao, Dong 收藏  |  浏览/下载：5/0  |  提交时间：2015/11/11 Asteroid (4179) Toutatis  Rubble-Pile Asteroid  Contact-Binary Asteroid  Chang&apos  COMPLEX ROTATION  IMPACT  EVOLUTION  CRATERS  4179-TOUTATIS  LIGHTCURVE  DYNAMICS  GROOVES  IDA  E-2 Spacecraft   An ABA triblock containing a central soft block of poly[2,5-di(n-hexogycarbonyl) styrene] and outer hard block of poly(4-vinylpyridine): synthesis, phase behavior and mechanical enhancement 期刊论文 rsc advances, 2014 Liu, Xin; Zhao, Rui-Ying; Zhao, Ti-Peng; Liu, Chen-Yang; Yang, Shuang; Chen, Er-Qiang 收藏  |  浏览/下载：5/0  |  提交时间：2015/11/13 TRANSFER RADICAL POLYMERIZATION  COPOLYMER THERMOPLASTIC ELASTOMERS  LIQUID-CRYSTALLINE POLYMER  EQUILIBRIUM BEHAVIOR  SALT HYBRIDS  MORPHOLOGY  ATRP  4-VINYLPYRIDINE  POLYDISPERSITY  MELTS   Biological behavior of fibroblast on contractile collagen hydrogel crosslinked by gamma-irradiation 期刊论文 journal of biomedical materials research part a, 2014 Zhang, Xiangmei; Zhang, Yaqing; Chen, Wenqiang; Xu, Ling; Wei, Shicheng; Zheng, Yufeng; Zhai, Maolin 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/10 collagen hydrogel  radiation crosslinking  contraction  fibroblasts  SUBSTRATE FLEXIBILITY  SKIN  MATRICES  CELLS  PROLIFERATION  REGENERATION  APOPTOSIS  GROWTH  MODEL