QQ客服 官方微博 反馈留言

浏览/检索结果: 共16条，第1-10条 帮助 限定条件 发表日期：2015    内容类型：其他    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 A novel method for fractional vegetation coverage retrieval based on Landsat-8 and MODIS imagery 其他 2015-01-01 Zheng, Xiaopo; Sun, Yuejun; Qin, Qiming; Wu, Ling; Ren, Huazhong; Du, Chen; He, Lian; Zhu, Shengjie; Hui, Jian 收藏  |  浏览/下载：3/0  |  提交时间：2017/12/03 Sensor intercomparison of distributed surface radiation measurement system 其他 2015-01-01 Dou, Baocheng; Wen, Jianguang; Li, Xiuhong; Liu, Qiang; Xiao, Qing; Bai, Junhua; Peng, Jingjing; Lin, Xingwen; Zhang, Zhigang; Wu, Xiaodan; Cai, Erli; Zhang, Jialin; Chang, Chongyan 收藏  |  浏览/下载：3/0  |  提交时间：2017/12/03 intercomparison  radiation measurement  linear normalization  quadratic polynomial normalization  NETWORKS   A REAL-TIME GIS PLATFORM FOR HIGH SOUR GAS LEAKAGE SIMULATION, EVALUATION AND VISUALIZATION 其他 2015-01-01 Li, M.; Liu, H.; Yang, C. 收藏  |  浏览/下载：4/0  |  提交时间：2017/12/03 Real-time GIS  Emergency Response  CALPUFF  Hydrogen Sulphide  Gas Dispersion Simulation  Well Blow  SYSTEM   A Result on the Quasi-periodic Solutions of Forced Isochronous Oscillators at Resonance 其他 2015-01-01 Liu, Bin; Tang, Yingchao 收藏  |  浏览/下载：8/0  |  提交时间：2017/12/03 Isochronous oscillators  Repulsive singularity  Invariant curves  Time reversibility  Quasi-periodic solutions  Lazer-Landesman conditions  Boundedness of solutions  DIFFERENTIAL-EQUATIONS  ASYMMETRIC OSCILLATORS  INVARIANT CURVES  TWIST MAPPINGS  BOUNDEDNESS   Testing Additive Separability of Error Term in Nonparametric Structural Models 其他 2015-01-01 Su, Liangjun; Tu, Yundong; Ullah, Aman 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/11 Nonparametric structural equation  Nonseparable models  Hypotheses testing  Additive separability  C12  C13  C14  LOCAL INSTRUMENTAL VARIABLES  UNIFORM-CONVERGENCE RATES  NONSEPARABLE MODELS  SPECIFICATION TESTS  FUNCTIONAL FORM  HEDONIC MODELS  TIME-SERIES  REGRESSION  IDENTIFICATION  ESTIMATORS   High dimensional generalized empirical likelihood for moment restrictions with dependent data 其他 2015-01-01 Chang, Jinyuan; Chen, Song Xi; Chen, Xiaohong 收藏  |  浏览/下载：7/0  |  提交时间：2015/11/11 Generalized empirical likelihood  High dimensionality  Penalized likelihood  Variable selection  Over-identification test  Weak dependence  CENTRAL-LIMIT-THEOREM  ESTIMATING EQUATIONS  VARIABLE SELECTION  SAMPLE PROPERTIES  MODELS  ESTIMATORS  GMM  CONVERGENCE  BOOTSTRAP   Tetramethylammonium-lactobionate: A novel ionic liquid chiral selector based on saccharides in capillary electrophoresis 其他 2015-01-01 Zhang, Qi; Du, Yingxiang; Du, Shuaijing; Zhang, Jinjing; Feng, Zijie; Zhang, Yanjie; Li, Xiaoqi 收藏  |  浏览/下载：4/0  |  提交时间：2017/12/04 Capillary electrophoresis  Chiral selector  Enantioseparation  Ionic liquids  Tetramethylammonium-lactobionate  CHONDROITIN SULFATE E  AMINO-ACID  ELECTROKINETIC CHROMATOGRAPHY  ENANTIOMERIC SEPARATION  BASIC DRUGS  SYNERGISTIC SYSTEM  ADDITIVES  ENANTIOSEPARATION  ENANTIOSELECTIVITY  CYCLODEXTRINS   Chronological citation recommendation with information-need shifting 其他 2015-01-01 Jiang, Zhuoren; Liu, Xiaozhong; Gao, Liangcai 收藏  |  浏览/下载：1/0  |  提交时间：2017/12/03 Detection and repair faults of sensors in sampled control system 其他 2015-01-01 Hu, Jingzhi; Dong, Kai 收藏  |  浏览/下载：3/0  |  提交时间：2017/12/03 Tencentrec: Real-time stream recommendation in practice 其他 2015-01-01 Huang, Yanxiang; Cui, Bin; Zhang, Wenyu; Jiang, Jie; Xu, Ying 收藏  |  浏览/下载：3/0  |  提交时间：2017/12/03