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浏览/检索结果: 共15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 Influence of grain boundary carbides on mechanical properties of high nitrogen austenitic stainless steel 期刊论文 materials design, 2012 Wang, L. J.; Sheng, L. Y.; Hong, C. M. 收藏  |  浏览/下载：4/0  |  提交时间：2015/11/12 A. Non-ferrous metals and alloys  E. Mechanical  F. Microstructure  MICROSTRUCTURAL EVOLUTION  HOT   Modulation-doped growth of mosaic graphene with single-crystalline p-n junctions for efficient photocurrent generation 期刊论文 nature communications, 2012 Yan, Kai; Wu, Di; Peng, Hailin; Jin, Li; Fu, Qiang; Bao, Xinhe; Liu, Zhongfan 收藏  |  浏览/下载：1/0  |  提交时间：2015/11/13 ELECTRON-MICROSCOPY  FILMS  PHOTODETECTOR  TRANSISTORS  DEVICES  SURFACE  SHEETS  FOILS   Ph-SO3H-modified mesoporous carbon as an efficient catalyst for the esterification of oleic acid 期刊论文 applied catalysis a general, 2012 Geng, Liang; Yu, Gang; Wang, Yu; Zhu, Yuexiang 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/10 Mesoporous carbon  Carbon-based solid acid  Alumina template  Diazonium modification  Esterification  ENVIRONMENTALLY BENIGN PRODUCTION  SOLID ACID  COVERED ALUMINA  SUGAR CATALYST  PROTONIC ACID  BIODIESEL  OILS   A robust fuel cell cathode catalyst assembled with nitrogen-doped carbon nanohorn and platinum nanoclusters 期刊论文 电源杂志, 2012 Zhang, Linwei; Zheng, Ning; Gao, Ang; Zhu, Chunmei; Wang, Zhiyong; Wang, Yuan; Shi, Zujin; Liu, Yan 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/10 Catalytic cathode  Durability  Nitrogen-doped  Oxygen reduction reaction  Polymer electrolyte membrane fuel cells  OXYGEN-REDUCTION  NANOTUBES  PERFORMANCE  ELECTROCATALYST  STABILITY  COMPOSITE  SUPPORTS  ARRAYS  ARC   Three-dimensional hydrodynamic and water quality model for TMDL development of Lake Fuxian,China 期刊论文 Journal of Environmental Sciences, 2012 Zhao Lei; Zhang Xiaoling; Liu Yong; He Bin; Zhu Xiang; Zou Rui; Zhu Yuanguan 收藏  |  浏览/下载：3/0  |  提交时间：2017/12/03 hydrodynamic and water quality model  Lake Fuxian  water quality prediction  total maximum daily load   Partial nitrification adjusted by hydroxylamine in aerobic granules under high DO and ambient temperature and subsequent Anammox for low C/N wastewater treatment 期刊论文 chemical engineering journal, 2012 Xu, Guangjing; Xu, Xiaochen; Yang, Fenglin; Liu, Sitong; Gao, Yang 收藏  |  浏览/下载：4/0  |  提交时间：2015/11/12 Aerobic granules  Hydroxylamine  Low C/N wastewaters  Anammox  AUTOTROPHIC NITROGEN REMOVAL  AMMONIA-OXIDIZING BACTERIA  NITRITE BUILDUP  INORGANIC CARBON  SEWAGE-TREATMENT  REACTOR  INHIBITION  OXYGEN  SYSTEM  GROWTH   Three-dimensional hydrodynamic and water quality model for TMDL development of Lake Fuxian, China 期刊论文 journal of environmental sciences china, 2012 Zhao, Lei; Zhang, Xiaoling; Liu, Yong; He, Bin; Zhu, Xiang; Zou, Rui; Zhu, Yuanguan 收藏  |  浏览/下载：4/0  |  提交时间：2015/11/12 hydrodynamic and water quality model  Lake Fuxian  water quality prediction  total maximum daily load  DAILY LOAD TMDL  UNCERTAINTY  RIVER  BAY   Significant soil acidification across northern China's grasslands during 1980s-2000s 期刊论文 全球变化生物学, 2012 Yang, Yuanhe; Ji, Chengjun; Ma, Wenhong; Wang, Shifeng; Wang, Shaopeng; Han, Wenxuan; Mohammat, Anwar; Robinson, David; Smith, Pete 收藏  |  浏览/下载：6/0  |  提交时间：2015/11/12 alpine grasslands  buffering capacity  carbonate  cation exchange capacity  Kriging interpolation  Monte-Carlo simulation  nitrogen deposition  soil pH  sulfur deposition  temperate grasslands  CARBON STOCK  1980S  DEPOSITION  EMISSIONS  2000S  PH   Decomposition of Abies faxoniana litter varies with freeze-thaw stages and altitudes in subalpine/alpine forests of southwest China 期刊论文 2012 Zhu, Jianxiao; He, Xinhua; Wu, Fuzhong; Yang, Wanqin; Tan, Bo 收藏  |  浏览/下载：2/0  |  提交时间：2015/11/12 Abies faxoniana  altitude  freeze-thaw cycle  litter decomposition  nutrient release  subalpine/alpine forest  SUB-ALPINE FORESTS  SNOW COVER  LEAF LITTER  MICROBIAL ACTIVITY  PLANT-MATERIAL  LIGNIN CONTROL  NEEDLE LITTER  DYNAMICS  NITROGEN  WINTER   Cyclopentadiene-Phosphine/Palladium-Catalyzed Cleavage of C-N Bonds in Secondary Amines: Synthesis of Pyrrole and Indole Derivatives from Secondary Amines and Alkenyl or Aryl Dibromides 期刊论文 journal of the american chemical society, 2012 Geng, Weizhi; Zhang, Wen-Xiong; Hao, Wei; Xi, Zhenfeng 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/11 CARBONYLATIVE RING EXPANSION  PRIMARY ALLYLIC AMINES  CARBON-NITROGEN BONDS  REDUCTIVE-ELIMINATION  OXIDATIVE-ADDITION  HETEROCYCLIC CARBENE  MECHANISTIC INSIGHT  HYDRODENITROGENATION CATALYSIS  ETA(2)(N,C)-PYRIDINE COMPLEX  ARYLTRIMETHYLAMMONIUM SALTS