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浏览/检索结果: 共197条，第1-10条 帮助 限定条件 发表日期：2014    内容类型：期刊论文    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 Enhanced load-carrying capacity of hairy surfaces floating on water 期刊论文 proceedings of the royal society a mathematical physical and engineering sciences, 2014 Xue, Yahui; Yuan, Huijing; Su, Weidong; Shi, Yipeng; Duan, Huiling 收藏  |  浏览/下载：7/0  |  提交时间：2015/11/13 hairy surfaces  superhydrophobicity  free energy analysis  load-carrying capacity  SUPERHYDROPHOBIC SURFACES  HIERARCHICAL STRUCTURES  ROUGH SURFACES  PLANT-SURFACES  STRIDER LEGS  LOW ADHESION  OBJECTS  WETTABILITY  RESISTANCE  REPELLENT   Paleo-environment and paleo-diet inferred from Early Bronze Age cow dung at Xiaohe Cemetery, Xinjiang, NW China 期刊论文 quaternary international, 2014 Qiu, Zhenwei; Yang, Yimin; Shang, Xue; Li, Wenying; Abuduresule, Yidilisi; Hu, Xingjun; Pan, Yan; Ferguson, David K.; Hu, Yaowu; Wang, Changsui; Jiang, Hongen 收藏  |  浏览/下载：6/0  |  提交时间：2015/11/11 Cow dung  Xiaohe Cemetery  Macrofossils  Microfossils  Environment  Diet  LAKE-SHORE SETTLEMENT  FOSSIL HYRAX DUNG  SOUTHERN-AFRICA  YANGHAI TOMBS  PLANT MACROFOSSILS  GOAT/SHEEP FECES  DENTAL MICROWEAR  POLLEN ANALYSIS  PHYTOLITHS  BP   The early Holocene archaeobotanical record from the Zhangmatun site situated at the northern edge of the Shandong Highlands, China 期刊论文 quaternary international, 2014 Wu, WenWan; Wang, XingHua; Wu, XiaoHong; Jin, GuiYun; Tarasov, Pavel E. 收藏  |  浏览/下载：4/0  |  提交时间：2015/11/11 EAST-ASIA  LOWER YANGTZE  DOMESTICATION  AGRICULTURE  ORIGINS  CULTIVATION  AGE  EXPLOITATION  PLEISTOCENE  BEGINNINGS   8000-Year old rice remains from the north edge of the Shandong Highlands, East China 期刊论文 journal of archaeological science, 2014 Jin, GuiYun; Wu, WenWan; Zhang, KeSi; Wang, ZeBing; Wu, XiaoHong 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/11 8000 cal BP  Rice remains  Shandong Highlands  East China  LOWER YANGTZE  DOMESTICATION  AGRICULTURE  ORIGINS  HISTORY   青藏高原高寒草甸植物群落生物量对氮,磷添加的响应 期刊论文 植物生态学报, 2014 杨晓霞; 任飞; 周华坤; 贺金生 收藏  |  浏览/下载：2/0  |  提交时间：2015/11/13 高寒草甸  生物量  功能群  氮添加  磷添加  青藏高原  alpine meadow  biomass  functional groups  nitrogen addition  phosphorus addition  Qinghai-Xizang Plateau   Intercontinental transport and deposition patterns of atmospheric mercury from anthropogenic emissions 期刊论文 atmospheric chemistry and physics, 2014 Chen, L.; Wang, H. H.; Liu, J. F.; Tong, Y. D.; Ou, L. B.; Zhang, W.; Hu, D.; Chen, C.; Wang, X. J. 收藏  |  浏览/下载：4/0  |  提交时间：2015/11/13 SOUTHERN NEW-HAMPSHIRE  POWER-PLANT PLUMES  AIR-SEA EXCHANGE  WET DEPOSITION  GASEOUS MERCURY  EASTERN SLOPE  UNITED-STATES  AMBIENT AIR  CHINA  MODEL   Soil organic matter dynamics under different land use in grasslands in Inner Mongolia (northern China) 期刊论文 biogeosciences, 2014 Zhao, L.; Wu, W.; Xu, X.; Xu, Y. 收藏  |  浏览/下载：7/0  |  提交时间：2015/11/13 PARTICLE-SIZE FRACTIONS  OXIDATION-PRODUCTS  GRAZING INTENSITY  LIGNIN OXIDATION  CARBON  NITROGEN  PLANT  DEGRADATION  BIOMARKERS  FERTILIZER   The productivity puzzle of Chinese exporters: Perspectives of local protection and spillover effects 期刊论文 papers in regional science, 2014 Yang, Rudai; He, Canfei 收藏  |  浏览/下载：4/0  |  提交时间：2015/11/13 TFP  productivity puzzle  local protection  exporters  China  INTERNATIONAL-TRADE  AGGLOMERATION  FIRMS  INDUSTRY  PERFORMANCE   Evidence for a weakening relationship between interannual temperature variability and northern vegetation activity 期刊论文 nature communications, 2014 Piao, Shilong; Nan, Huijuan; Huntingford, Chris; Ciais, Philippe; Friedlingstein, Pierre; Sitch, Stephen; Peng, Shushi; Ahlstrom, Anders; Canadell, Josep G.; Cong, Nan; Levis, Sam; Levy, Peter E.; Liu, Lingli; Lomas, Mark R.; Mao, Jiafu; Myneni, Ranga B.; Peylin, Philippe; Poulter, Ben; Shi, Xiaoying; Yin, Guodong; Viovy, Nicolas; Wang, Tao; Wang, Xuhui; Zaehle, Soenke; Zeng, Ning; Zeng, Zhenzhong; Chen, Anping 收藏  |  浏览/下载：4/0  |  提交时间：2015/11/13 NET PRIMARY PRODUCTION  CARBON-DIOXIDE  CLIMATE  CO2  ACCLIMATION  ADAPTATION  ECOSYSTEMS  DROUGHT  TRENDS  GROWTH   The effects of simulated nitrogen deposition on extracellular enzyme activities of litter and soil among different-aged stands of larch 期刊论文 journal of plant ecology, 2014 Ma, Yuecun; Zhu, Biao; Sun, Zhenzhong; Zhao, Chuang; Yang, Yan; Piao, Shilong 收藏  |  浏览/下载：4/0  |  提交时间：2015/11/13 glucosidase  cellobiohydrolase  glucosaminidase  phenol oxidase  Larix plantation  NORTHERN HARDWOOD FORESTS  ORGANIC-MATTER  MICROBIAL BIOMASS  CARBON  DECOMPOSITION  RESPONSES  CHINA  CHRONOSEQUENCE  ECOSYSTEMS  DYNAMICS