QQ客服 官方微博 反馈留言

浏览/检索结果: 共87条，第1-10条 帮助 限定条件 发表日期：2012    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 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   Carbonaceous Particulate Matter Air Pollution and Human Exposure from Indoor Biomass Burning Practices 期刊论文 environmental engineering science, 2012 Zhong, Junjun; Ding, Junnan; Su, Yuhong; Shen, Guofeng; Yang, Yifeng; Wang, Chen; Simonich, Staci L. Massey; Cao, Hongying; Zhu, Ying; Tao, Shu 收藏  |  浏览/下载：66/0  |  提交时间：2015/11/13 indoor pollution  biomass fuels  EC/OC  personal exposure  seasonal variation  POLYCYCLIC AROMATIC-HYDROCARBONS  HOUSEHOLD BIOFUEL COMBUSTION  RIVER DELTA REGION  CHINA  EMISSIONS  AEROSOLS  COOKING  AMBIENT  PM2.5  FUELS   The European land and inland water CO2, CO, CH4 and N2O balance between 2001 and 2005 期刊论文 biogeosciences, 2012 Luyssaert, S.; Abril, G.; Andres, R.; Bastviken, D.; Bellassen, V.; Bergamaschi, P.; Bousquet, P.; Chevallier, F.; Ciais, P.; Corazza, M.; Dechow, R.; Erb, K.H.; Etiope, G.; Fortems-Cheiney, A.; Grassi, G.; Hartmann, J.; Jung, M.; Lathiere, J.; Lohila, A.; Mayorga, E.; Moosdorf, N.; Njakou, D. S.; Otto, J.; Papale, D.; Peters, W.; Peylin, P.; Raymond, P.; Roedenbeck, C.; Saarnio, S.; Schulze, E.D.; Szopa, S.; Thompson, R.; Verkerk, P. J.; Vuichard, N.; Wang, R.; Wattenbach, M.; Zaehle, S. 收藏  |  浏览/下载：5/0  |  提交时间：2015/11/16 NORTH-ATLANTIC OSCILLATION  NET ECOSYSTEM EXCHANGE  ORGANIC-CARBON CHANGES  ATMOSPHERIC CO2  CLIMATE-CHANGE  NITROUS-OXIDE  TERRESTRIAL BIOSPHERE  DIOXIDE  FLUXES  EMISSIONS   Aeolian n-alkane isotopic evidence from North Pacific for a Late Miocene decline of C-4 plant in the arid Asian interior 期刊论文 earth and planetary science letters, 2012 Jia, Guodong; Li, Zhiyang; Peng, Ping' Zhou, Liping; an 收藏  |  浏览/下载：5/0  |  提交时间：2015/11/12 C-4 plant evolution  Asian interior  marine record  n-alkanes  North Pacific  CHINESE LOESS PLATEAU  CARBON-DIOXIDE CONCENTRATIONS  COMPOUND-SPECIFIC DELTA-C-13  TIBETAN PLATEAU  ATMOSPHERIC CO2  CLIMATE-CHANGE  ENVIRONMENTAL-CHANGE  EOLIAN DEPOSITION  VEGETATION CHANGE  EURASIAN CLIMATE   DFT study of cobalt porphyrin complex for living radical polymerization of olefins 期刊论文 computational and theoretical chemistry, 2012 Dong, Huilong; Hou, Tingjun; Zhao, Yaguang; Fu, Xuefeng; Li, Youyong 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/12 Cobalt complexes  Living radical polymerization  Bond dissociation energy  Transition state  DFT  POLYATOMIC-MOLECULES  ORGANIC RADICALS  CHAIN TRANSFER  VINYL-ACETATE  ACRYLATES  DENSITY  WATER  ACID   Density Functional Theory Study of the Mechanism of the Rhodium(I)-Catalyzed Conjugated Diene Assisted Allylic C-H Bond Activation and Addition to Alkenes Using Ene-2-dienes As Substrates 期刊论文 organometallics, 2012 Li, Qian; Yu, Zhi-Xiang 收藏  |  浏览/下载：4/0  |  提交时间：2015/11/12 5+2 CYCLOADDITION REACTIONS  CROSS-COUPLING REACTIONS  CARBON-HYDROGEN BONDS  INTRAMOLECULAR 4+2  CATALYZED CYCLOISOMERIZATION  REDUCTIVE ELIMINATION  ORGANIC-SYNTHESIS  AROMATIC IMINES  ALKYL-HALIDES  RING-SYSTEMS   Strong and Stable Doping of Carbon Nanotubes and Graphene by MoOx for Transparent Electrodes 期刊论文 nano letters, 2012 Hellstrom, Sondra L.; Vosgueritchian, Michael; Stoltenberg, Randall M.; Irfan, Irfan; Hammock, Mallory; Wang, Yinchao Bril; Jia, Chuancheng; Guo, Xuefeng; Gao, Yongli; Bao, Zhenan 收藏  |  浏览/下载：15/0  |  提交时间：2015/11/12 Transparent conductors  nanotubes  composites  doping  THIN-FILMS  MOLYBDENUM TRIOXIDE  RAMAN-SPECTROSCOPY  OXIDES  SUSPENSION  STABILITY  OXIDATION  NETWORKS  ACID  XPS   Construction of Benzosiloles, Six- and Eight-Membered Silacyclic Skeletons, via a Pd-Catalyzed Intramolecular Mizoroki-Heck Reaction of Vinylsilanes 期刊论文 organic letters, 2012 Ouyang, Kunbing; Liang, Yun; Xi, Zhenfeng 收藏  |  浏览/下载：7/0  |  提交时间：2015/11/12 SILICON-CARBON HETEROCYCLES  CROSS-COUPLING REACTIONS  PHARMACOLOGICAL-PROPERTIES  SILVER-NITRATE  DRUG DESIGN  PART 1  CHEMISTRY  SILOLES  DERIVATIVES  MOLECULES   Synthesis of benzothieno[2,3-b]thiophenes, [2,3-b:3 ',2 '-d]-dithienothiophenes and their selenium derivatives via electrophilic cyclization and McMurry cyclization 期刊论文 tetrahedron, 2012 Geng, Weizhi; Wang, Hanliu; Wang, Zitao; Zhang, Shaoguang; Zhang, Wen-Xiong; Xi, Zhenfeng 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/12 Benzothieno[2,3-b]thiophene  Dilithio reagent  Dithienothiophene  Electrophilic cyclization  McMurry cyclization  FIELD-EFFECT TRANSISTORS  LOW-VALENT TITANIUM  CROSS-CONJUGATED OLIGOTHIOPHENES  ONE-STEP SYNTHESIS  HIGH-PERFORMANCE  ASYMMETRIC-SYNTHESIS  CARBON-SULFUR  ORGANIC SEMICONDUCTOR  CATALYZED CYCLIZATION  COUPLING REACTIONS