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浏览/检索结果: 共7条，第1-7条 帮助 限定条件 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：请选择发表日期升序发表日期降序提交时间升序提交时间降序题名升序题名降序作者升序作者降序 Characteristic pollen source area and vertical pollen dispersal and deposition in a mixed coniferous and deciduous broad-leaved woodland in the Changbai mountains, northeast China 期刊论文 VEGETATION HISTORY AND ARCHAEOBOTANY, 2016 Zhang, Shengrui; Xu, Qinghai; Gaillard, Marie-Jose; Cao, Xianyong; Li, Jianyong; Zhang, Liyan; Li, Yuecong; Tian, Fang; Zhou, Liping; Lin, Fengyou; Yang, Xiaolan 收藏  |  浏览/下载：3/0  |  提交时间：2017/12/03 Changbai mountains  Mixed coniferous and deciduous broad-leaved woodland  Vertical pollen dispersal and deposition  Characteristic pollen source area  HIGH-RESOLUTION RECORD  ACCUMULATION RATES  LAKE-SEDIMENTS  QUANTITATIVE RECONSTRUCTION  VEGETATION RELATIONSHIPS  SOUTHERN SWEDEN  REVEALS MODEL  TAUBER TRAPS  CLIMATE  FOREST   Assessing Cue-Induced Brain Response as a Function of Abstinence Duration in Heroin-Dependent Individuals: An Event-Related fMRI Study 期刊论文 plos one, 2013 Li, Qiang; Wang, Yarong; Zhang, Yi; Li, Wei; Zhu, Jia; Zheng, Ying; Chen, Jiajie; Zhao, Liyan; Zhou, Zhenyu; Liu, Yijun; Wang, Wei; Tian, Jie 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/16 MEDIAL FRONTAL-CORTEX  NEURAL RESPONSES  MOTOR IMAGERY  SMOKING CUES  ADDICTION  WITHDRAWAL  TIME  ORGANIZATION  CONSUMPTION  DYSFUNCTION   An energy and distance based clustering protocol for wireless sensor networks 其他 2010-01-01 Wang, Xu; Qian, Liyan; Wu, Jianjun; Liu, Tian 收藏  |  浏览/下载：6/0  |  提交时间：2015/11/13 Breadth first greedy algorithm for unconstrained set multicover 其他 2007-01-01 Cui, Peng; Liu, Tian; Qian, Liyan; Zhou, Jin 收藏  |  浏览/下载：4/0  |  提交时间：2015/11/16 breadth first greedy algorithm  unconstrained set multicover  approximation  multiplicative weights update method  INTEGER PROGRAMS   Improved exponential time lower bound of knapsack problem under BT model 其他 2007-01-01 Li, Xin; Liu, Tian; Peng, Han; Qian, Liyan; Sun, Hongtao; Xu, Jin; Xu, Ke; Zhu, Jiaqi 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/16 A note on quantum fingerprinting without entanglement 其他 2007-01-01 Cui, Peng; Li, Xin; Liu, Tian; Peng, Han; Qian, Liyan; Sun, Hongtao; Zhou, Jin; Zhu, Jiaqi 收藏  |  浏览/下载：2/0  |  提交时间：2015/11/16 quantum fingerprinting  worst case one-sided error probability  Upper and Lower Bounds   Improved exponential time lower bound of knapsack problem under BT model 其他 2007-01-01 Xin, Li; Tian, Liu; Han, Peng; Liyan, Qian; Hongtao, Sun; Jin, Xu; Ke, Xu; Jiaqi, Zhu 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/17