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浏览/检索结果: 共47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 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   Speciation of Cr(III) and Cr(VI) in the presence of chromium azo dye Acid Yellow 99 by column solid phase extraction 其他 2012-01-01 Cai, Qinhong; Ng, Tsz-Wai; Wong, Kin-Hang; Wong, Po-Keung; Xiong, Ya; Wang, Yonghua; Zhang, Ying 收藏  |  浏览/下载：4/0  |  提交时间：2015/11/17 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   Acid-responsive organogel mediated by arene-perfluoroarene and hydrogen bonding interactions 期刊论文 软性材料, 2012 Wu, Huixian; Ni, Ben-Bo; Wang, Chong; Zhai, Feng; Ma, Yuguo 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/12 PHENYL-PERFLUOROPHENYL STACKING  SELF-ASSEMBLED FIBERS  GEL PHASE-TRANSITION  HEXA-PERI-HEXABENZOCORONENES  MOLECULAR-WEIGHT GEL  AROMATIC INTERACTIONS  CARBOXYLIC-ACID  CHARGE-TRANSFER  SOL TRANSITION  PI-STACKING   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   Uptake of Methacrolein into Aqueous Solutions of Sulfuric Acid and Hydrogen Peroxide 期刊论文 journal of physical chemistry a, 2012 Liu, Ze; Wu, Ling-Yan; Wang, Tian-He; Ge, Mao-Fa; Wang, Wei-Gang 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/12 METHYL VINYL KETONE  PHASE OXIDATION-PRODUCTS  GAS-PHASE  AEROSOLS  ISOPRENE  OH  ATMOSPHERE  CLIMATE  CLOUD  TUBES   Enantioselective Biomimetic Total Syntheses of Katsumadain and Katsumadain C 期刊论文 organic letters, 2012 Zhang, Pengtao; Wang, Yongguang; Bao, Ruiyang; Luo, Tuoping; Yang, Zhen; Tang, Yefeng 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/12 TRIACETIC ACID LACTONE  6-SUBSTITUTED 4-HYDROXY-2-PYRONES  2+2 PHOTODIMERIZATION  NUCLEOPHILIC ATTACKS  ALPINIA-KATSUMADAI  4-HYDROXY-6-METHYL-2-PYRONE  REGIOSELECTIVITY  DERIVATIVES  COMPLEXES  ALDEHYDES   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   A Novel and Versatile Strategy to Prepare Metal-Organic Molecular Precursor Solutions and Its Application in Cu(In,Ga)(S,Se)(2) Solar Cells 期刊论文 chemistry of materials, 2012 Wang, Gang; Wang, Shuyang; Cui, Yong; Pan, Daocheng 收藏  |  浏览/下载：6/0  |  提交时间：2015/11/12 CIGS  solar cells  molecular precursor  solution process  chalcopyrite  NANOCRYSTAL INKS  EFFICIENCY  DEVICE  NANOPARTICLES  DEPOSITION  SULFIDE  FILMS  OPTIMIZATION  ABSORBER  CUINSE2   Supramolecular Self-Assembly of 1D and 3D Heterometallic Coordination Polymers with Triruthenium Building Blocks 期刊论文 chemistry a european journal, 2012 Chan, Sharon Lai-Fung; Gao, Song; Chui, Stephen Sin-Yin; Shek, Lam; Huang, Jie-Sheng; Che, Chi-Ming 收藏  |  浏览/下载：4/0  |  提交时间：2015/11/12 coordination polymers  hydrothermal synthesis  metal-metal interactions  ruthenium  self-assembly  EFFECTIVE CORE POTENTIALS  METAL-ORGANIC FRAMEWORKS  ONE-DIMENSIONAL POLYMERS  MULTIPLE BONDS  MOLECULAR CALCULATIONS  ELECTRONIC-STRUCTURE  CRYSTAL-STRUCTURE  ACTIVE-SITE  COMPLEXES  TRINUCLEAR