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浏览/检索结果: 共29条，第1-10条 帮助 限定条件 发表日期：2014    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 Surface preoxidation to improve dispersibility of zirconium diboride in aqueous medium 期刊论文 advances in applied ceramics, 2014 He, R. J.; Zhang, R. B.; Wei, K.; Cheng, X. M. 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/13 Ceramic composites  Composite materials  Colloidal processing  Oxidation  Dispersion  SHARP LEADING EDGES  AMMONIUM POLYACRYLATE  PARTICLE-SIZE  POWDERS  ZRB2  SUSPENSIONS  BEHAVIOR   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   Changes in wet nitrogen deposition in the United States between 1985 and 2012 期刊论文 environmental research letters, 2014 Du, Enzai; de Vries, Wim; Galloway, James N.; Hu, Xueyang; Fang, Jingyun 收藏  |  浏览/下载：2/0  |  提交时间：2015/11/13 nitrogen deposition  ammonium:nitrate ratio  Mann-Kendall test  regional Kendall test  PRECIPITATION CHEMISTRY  AMMONIA EMISSIONS  REACTIVE NITROGEN  REDUCED NITROGEN  CRITICAL LOADS  TRENDS  ENVIRONMENT  FUTURE  USA   Swelling behaviour of amphiphilic poly(methacryloxyethyl dimethylalkane ammonium bromide) gels in alcohol/water solvent systems 期刊论文 核技术英文版, 2014 Li Can-Can; Zhai Mao-Lin; Peng Jing; Li Jiu-Qiang 收藏  |  浏览/下载：7/0  |  提交时间：2015/11/13 Dimethylaminoethyl methacrylate  Amphiphilic gels  Alcohol/water mixed solvents  Swelling behavior  ACRYLIC ACID) GELS  RADIATION SYNTHESIS  PHASE-TRANSITIONS  MIXED-SOLVENTS  HYDROGELS  RESPONSIVENESS  METHACRYLATE)  ADSORPTION  NETWORKS  KINETICS   新型复合共沉淀法制备高能量/高功率型锂离子二次电池用5V正极材料LiNi_(0.5)Mn_(1.5)O_4及其电化学性能 期刊论文 物理化学学报, 2014 朱智; 其鲁; 李卫; 廖细英 收藏  |  浏览/下载：6/0  |  提交时间：2015/11/13 锂离子电池  尖晶石镍锰酸锂  高能量/高功率  共沉淀法  球形次级颗粒  Lithium ion battery  Spinel lithium nickel magnesium oxide  High energy/high power  Co-precipitation method  Spherical hierarchical morphology   利用UPLC-MS/MS方法定量人血浆中紫杉醇药物总量及游离紫杉醇的浓度 其他 2014-01-01 简南城; 郑昕; 张一鸣; 江骥; 张新祥 收藏  |  浏览/下载：3/0  |  提交时间：2017/12/03 Paclitaxel  UPLC-MS/MS   Phase Transitions, Prominent Dielectric Anomalies, and Negative Thermal Expansion in Three High Thermally Stable Ammonium Magnesium-Formate Frameworks 期刊论文 chemistry a european journal, 2014 Shang, Ran; Xu, Guan-Cheng; Wang, Zhe-Ming; Gao, Song 收藏  |  浏览/下载：4/0  |  提交时间：2015/11/10 ammonium  dielectric anomaly  metal-organic frameworks  negative thermal expansion  phase transitions  METAL-ORGANIC FRAMEWORKS  WEAK FERROMAGNETISM  SOLID-STATE  LINEAR COMPRESSIBILITY  COORDINATION POLYMERS  PEROVSKITES SYNTHESIS  MOLECULAR MAGNETISM  SINGLE-CRYSTAL  POROUS SOLIDS  DISORDER   Development of anion-exchange high-performance liquid chromatography-inductively coupled plasma mass spectrometry methods for the speciation analysis of inorganic selenium and iodine in groundwater 期刊论文 analytical methods, 2014 Nie, Zhe; Zheng, Lingna; Feng, Weiyue; Liu, Chunli 收藏  |  浏览/下载：2/0  |  提交时间：2015/11/10 HPLC-ICP-MS  BIO-AVAILABLE IODINE  THYROID-FUNCTION  EDIBLE SEAWEED  WATER  SAMPLES  QUANTIFICATION  BROMINE  IODATE  ACID   Protonated primary amines induced thymine quintets studied by electrospray ionization mass spectrometry and density functional theory calculations 期刊论文 journal of mass spectrometry, 2014 Qin, Zhen; Qiu, Bo; Sun, Jiamu; Zhao, Wenbo; Luo, Hai 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/10 thymine quintet  magic number cluster  mass spectrometry  density functional theory  - stacking interaction  supramolecular chemistry  PI-PI INTERACTIONS  GAS-PHASE  DISPERSION CORRECTIONS  ALKALI-METALS  CROWN-ETHERS  COMPLEXES  CLUSTERS  SERINE  HOMOCHIRALITY  STABILIZATION   Preparation of spherical hierarchical LiNi0.5Mn1.5O4 with high electrochemical performances by a novel composite co-precipitation method for 5 V lithium ion secondary batteries 期刊论文 电化学学报, 2014 Zhu, Zhi; Qilu; Zhang, Ding; Yu, HaiYing 收藏  |  浏览/下载：5/0  |  提交时间：2015/11/10 Spinel lithium nickel manganese oxide  Ammonium oxalate/carbonate composite co-precipitation  High voltage and high power battery  Spherical hierarchical particle  LINI1/3CO1/3MN1/3O2 CATHODE MATERIAL  SPINEL LINI0.5MN1.5O4  SUBSTITUTION  POWDERS