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浏览/检索结果: 共203条，第1-10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    发表日期：2012     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 Variation of stable isotopic composition and relationship to climatic changes around 2.5 Ma B.P. on Fengyi Section, Lishi County of Shanxi Province 期刊论文 http://epub.edu.cnki.net/grid2008/brief/detailj.aspx?filename=JXTW199602010&dbname=CJFQ1996, 2012, 2012 夏正楷; 曹家欣; 罗运利; 金德秋 收藏  |  浏览/下载：4/0  |  提交时间：2017/06/16 lithologic transitional zone  stable oxygen and carbon isotope  climatic change.   炭气凝胶纳米颗粒固定葡萄糖氧化酶的直接电化学 期刊论文 物理化学学报, 2012 于志辉; 宿婷婷; 任翠华; 李钒; 夏定国; *程水源 收藏  |  浏览/下载：2/0  |  提交时间：2015/11/12 炭气凝胶 葡萄糖氧化酶 直接电化学  Carbon aerogel  Glucose oxidase  Direct electrochemistry   Mechanical deformation and fracture mode of polycrystalline graphene: Atomistic simulations 期刊论文 physics letters a, 2012 Hao, Feng; Fang, Daining 收藏  |  浏览/下载：2/0  |  提交时间：2015/11/12 Polycrystalline graphene  Molecular dynamics  Buckling  Fracture mode  GRAIN-BOUNDARIES  ELECTRONIC TRANSPORT  MOLECULAR-DYNAMICS  CARBON NANOTUBES  LAYER GRAPHENE  LARGE-AREA  FILMS   An Fe3O4-FeO-Fe@C composite and its application as anode for lithium-ion battery 期刊论文 journal of alloys and compounds, 2012 Zhao, Xiuyun; Xia, Dingguo; Zheng, Kun 收藏  |  浏览/下载：2/0  |  提交时间：2015/11/12 Iron oxide  Core-shell  Hydrothermal  Anode  Lithium ion battery  ELECTROCHEMICAL PERFORMANCE  CARBON  ELECTRODE  NANOCOMPOSITE  CHALLENGES  CONVERSION  NANORODS  STORAGE   Axisymmetric compressive buckling of multi-walled carbon nanotubes under different boundary conditions 期刊论文 acta mechanica sinica, 2012 Sun, Cheng-Qi; Liu, Kai-Xin; Hong, You-Shi 收藏  |  浏览/下载：1/0  |  提交时间：2015/11/12 Carbon nanotube  Buckling  van der Waals forces  DER-WAALS FORCES  ELASTIC MEDIUM  HIGH-PRESSURE  SHELL  DEFORMATION  INSTABILITY  BEHAVIOR   Multimodal Imaging Guided Photothermal Therapy using Functionalized Graphene Nanosheets Anchored with Magnetic Nanoparticles 期刊论文 advanced materials, 2012 Yang, Kai; Hu, Lilei; Ma, Xingxing; Ye, Shuoqi; Cheng, Liang; Shi, Xiaoze; Li, Changhui; Li, Yonggang; Liu, Zhuang 收藏  |  浏览/下载：5/0  |  提交时间：2015/11/12 graphene oxide nanocomposites  magnetic resonance imaging  photoacoustic imaging  photothermal therapy  multimodal imaging  GOLD NANOCAGES  CARBON NANOTUBES  CANCER-THERAPY  DRUG-DELIVERY  OXIDE  PLATFORM  LONG  MICE  FABRICATION  OXIDATION   Protamine Functionalized Single-Walled Carbon Nanotubes for Stem Cell Labeling and In Vivo Raman/Magnetic Resonance/Photoacoustic Triple-Modal Imaging 期刊论文 先进功能材料, 2012 Wang, Chao; Ma, Xinxing; Ye, Shuoqi; Cheng, Liang; Yang, Kai; Guo, Liang; Li, Changhui; Li, Yonggang; Liu, Zhuang 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/12 single-walled carbon nanotubes  protamine  mesenchymal stem cells  stem cell tracking  multimodal imaging  MAGNETIC-RESONANCE  BONE-MARROW  MYOCARDIAL-INFARCTION  DRUG-DELIVERY  LIVING MICE  RAMAN-SPECTROSCOPY  QUANTUM DOTS  DIFFERENTIATION  TRACKING  THERAPY   The carbon budget of terrestrial ecosystems in East Asia over the last two decades 期刊论文 biogeosciences, 2012 Piao, S. L.; Ito, A.; Li, S. G.; Huang, Y.; Ciais, P.; Wang, X. H.; Peng, S. S.; Nan, H. J.; Zhao, C.; Ahlstrom, A.; Andres, R. J.; Chevallier, F.; Fang, J. Y.; Hartmann, J.; Huntingford, C.; Jeong, S.; Levis, S.; Levy, P. E.; Li, J. S.; Lomas, M. R.; Mao, J. F.; Mayorga, E.; Mohammat, A.; Muraoka, H.; Peng, C. H.; Peylin, P.; Poulter, B.; Shen, Z. H.; Shi, X.; Sitch, S.; Tao, S.; Tian, H. Q.; Wu, X. P.; Xu, M.; Yu, G. R.; Viovy, N.; Zaehle, S.; Zeng, N.; Zhu, B. 收藏  |  浏览/下载：1/0  |  提交时间：2015/11/13 GLOBAL VEGETATION MODEL  ATMOSPHERIC CO2  NITROGEN DEPOSITION  ORGANIC-CARBON  CLIMATE-CHANGE  TROPOSPHERIC OZONE  TRANSPORT MODELS  LAND-USE  CHINA  SINK   Organic and inorganic carbon in the topsoil of the Mongolian and Tibetan grasslands: pattern, control and implications 期刊论文 biogeosciences, 2012 Shi, Y.; Baumann, F.; Ma, Y.; Song, C.; Kuehn, P.; Scholten, T.; He, J.S. 收藏  |  浏览/下载：1/0  |  提交时间：2015/11/13 NET PRIMARY PRODUCTIVITY  SOIL CARBON  SEMIARID RANGELAND  NITROGEN ADDITIONS  MICROBIAL BIOMASS  NORTHERN CHINA  CLIMATE-CHANGE  FOREST SOILS  ACID-RAIN  STORAGE   Influence of mycorrhizal strategy on the foliar traits of the plants on the Tibetan Plateau in response to precipitation and temperature 期刊论文 2012 Shi, Zhaoyong; Liu, Yanying; Wang, Fayuan; Chen, Yinglong 收藏  |  浏览/下载：5/0  |  提交时间：2015/11/13 Mycorrhizal strategy  functional groups  foliar traits  precipitation  temperature  SCALING CARBON-DIOXIDE  WATER-VAPOR EXCHANGE  PRIMARY PRODUCTIVITY  NITROGEN NUTRITION  ECOSYSTEM FUNCTION  DECIDUOUS FOREST  ATMOSPHERIC CO2  ARCTIC PLANTS  LEAF ANATOMY  LIFE-SPAN