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科研机构
北京大学 [72]
内容类型
期刊论文 [68]
其他 [4]
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2017 [10]
2016 [13]
2015 [5]
2014 [4]
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2012 [4]
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专题:北京大学
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青藏高原高寒草甸土壤物理性质及碳组分 对增温和降水改变的响应
期刊论文
北京大学学报 自然科学版, 2017
杨新宇
;
林笠
;
李颖
;
贺金生
收藏
  |  
浏览/下载:120/0
  |  
提交时间:2017/12/03
土壤粒径
土壤pH
土壤全碳
土壤有机碳
土壤可提取有机碳
土壤微生物生物量碳
soil particle size
soil pH
soil total carbon
soil organic carbon
soil extractable organic carbon
soil microbial biomass carbon
On the Relationship between Holocene Geomorphic Evolution of Rivers and Prehistoric Settlements Distribution in the Songshan Mountain Region of China
期刊论文
SUSTAINABILITY, 2017
Lu, Peng
;
Mo, Duowen
;
Wang, Hui
;
Yang, Ruixia
;
Tian, Yan
;
Chen, Panpan
;
Lasaponara, Rosa
;
Masini, Nicola
收藏
  |  
浏览/下载:117/0
  |  
提交时间:2017/12/03
Songshan Mountain
Holocene
geomorphic evolution of rivers
elevation above river level
prehistoric settlements
temporal and spatial distribution
CLIMATE-CHANGE
ARCHAEOLOGY
VALLEY
Tuning the Selectivity of Catalytic Carbon Dioxide Hydrogenation over Iridium/Cerium Oxide Catalysts with a Strong Metal-Support Interaction
期刊论文
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 2017
Li, Siwei
;
Xu, Yao
;
Chen, Yifu
;
Li, Weizhen
;
Lin, Lili
;
Li, Mengzhu
;
Deng, Yuchen
;
Wang, Xiaoping
;
Ge, Binghui
;
Yang, Ce
;
Yao, Siyu
;
Xie, Jinglin
;
Li, Yongwang
;
Liu, Xi
;
Ma, Ding
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
catalysis
chemical state
metal catalysts
metal-support interaction
WATER-GAS SHIFT
CO2 HYDROGENATION
LOW-TEMPERATURE
METHANOL SYNTHESIS
PARTICLE-SIZE
OXIDATION-STATE
ACTIVE-SITE
REDUCTION
INTERFACE
CERIA
Carbon induced selective regulation of cobalt-based Fischer-Tropsch catalysts by ethylene treatment
期刊论文
FARADAY DISCUSSIONS, 2017
Zhai, Peng
;
Chen, Pei-Pei
;
Xie, Jinglin
;
Liu, Jin-Xun
;
Zhao, Huabo
;
Lin, Lili
;
Zhao, Bo
;
Su, Hai-Yan
;
Zhu, Qingjun
;
Li, Wei-Xue
;
Ma, Ding
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
DENSITY-FUNCTIONAL THEORY
PARTICLE-SIZE
REALISTIC CONDITIONS
FCC-CO(111) SURFACE
NANOPARTICLES
GRAPHENE
DEACTIVATION
DEPOSITION
SYNGAS
PHASE
Environmentally benign and scalable synthesis of LiFePO4 nanoplates with high capacity and excellent rate cycling performance for lithium ion batteries
期刊论文
ELECTROCHIMICA ACTA, 2017
Zhao, Chunsong
;
Wang, Lu-Ning
;
Chen, Jitao
;
Gao, Min
收藏
  |  
浏览/下载:116/0
  |  
提交时间:2017/12/03
Precursor precipitation
Reflux
Filtrate recycled
Low cost
High rate performance
NANO-SIZED LIFEPO4/C
ELECTROCHEMICAL PERFORMANCE
CATHODE MATERIAL
HYDROTHERMAL METHOD
IRON PHOSPHATE
LOW-COST
COMPOSITES
NANOPARTICLES
OPTIMIZATION
PRECIPITATION
Model simulation of NO3, N2O5 and ClNO2 at a rural site in Beijing during CAREBeijing-2006
期刊论文
ATMOSPHERIC RESEARCH, 2017
Wang, Haichao
;
Lu, Keding
;
Tan, Zhaofeng
;
Sun, Kang
;
Li, Xin
;
Hu, Min
;
Shao, Min
;
Zeng, Limin
;
Zhu, Tong
;
Zhang, Yuanhang
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
ATMOSPHERIC CHEMISTRY MECHANISM
VOLATILE ORGANIC-COMPOUNDS
GAS-PHASE REACTIONS
NITRYL CHLORIDE
REACTIVE UPTAKE
BOUNDARY-LAYER
HETEROGENEOUS HYDROLYSIS
DINITROGEN PENTOXIDE
NIGHTTIME CHEMISTRY
SOUTHERN CHINA
Individual particles emitted from gasoline engines: Impact of engine types, engine loads and fuel components
期刊论文
JOURNAL OF CLEANER PRODUCTION, 2017
Xing, Jiaoping
;
Shao, Longyi
;
Zheng, Rong
;
Peng, Jianfei
;
Wang, Wenhua
;
Guo, Qian
;
Wang, Yinhui
;
Qin, Yanhong
;
Shuai, Shijin
;
Hu, Min
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/03
Individual particles
Gasoline engines
TEM-EDX
Gasoline direct injection (GDI) engines
Port fuel injection (PFI) engines
Gasoline engine bench tests
PARTICULATE MATTER FORMATION
SPARK-IGNITION ENGINES
CHEMICAL-COMPOSITION
ELECTRON-MICROSCOPY
AEROSOL-PARTICLES
PM2.5 EMISSIONS
PASSENGER CARS
PM EMISSIONS
MIXING STATE
VEHICLES
A review on the important aspects of lipase immobilization on nanomaterials
期刊论文
BIOTECHNOLOGY AND APPLIED BIOCHEMISTRY, 2017
Shuai, Weitao
;
Das, Ratul Kumar
;
Naghdi, Mitra
;
Brar, Satinder Kaur
;
Verma, Mausam
收藏
  |  
浏览/下载:106/0
  |  
提交时间:2017/12/03
lipase
immobilization
covalent coupling
adsorption
activity retention
protein loading
WALLED CARBON NANOTUBES
CANDIDA-RUGOSA LIPASE
PSEUDOMONAS-CEPACIA LIPASE
PAN NANOFIBROUS MEMBRANES
SIZED MAGNETITE PARTICLES
ENZYME IMMOBILIZATION
ORGANIC-SOLVENT
SOYBEAN OIL
COVALENT IMMOBILIZATION
BIODIESEL PRODUCTION
Fine particle pH during severe haze episodes in northern China
期刊论文
GEOPHYSICAL RESEARCH LETTERS, 2017
Liu, Mingxu
;
Song, Yu
;
Zhou, Tian
;
Xu, Zhenying
;
Yan, Caiqing
;
Zheng, Mei
;
Wu, Zhijun
;
Hu, Min
;
Wu, Yusheng
;
Zhu, Tong
收藏
  |  
浏览/下载:10/0
  |  
提交时间:2017/12/03
THERMODYNAMIC-EQUILIBRIUM MODEL
RELATIVE-HUMIDITY
AEROSOL ACIDITY
AIR-POLLUTION
UNITED-STATES
WATER
SULFATE
AMMONIA
PM2.5
MULTICOMPONENT
Generating high-yield positrons and relativistic collisionless shocks by 10 PW laser
期刊论文
LASER AND PARTICLE BEAMS, 2017
Jiao, J.
;
Zhang, B.
;
Yu, J.
;
Zhang, Z.
;
Yan, Y.
;
He, S.
;
Deng, Z.
;
Teng, J.
;
Hong, W.
;
Gu, Y.
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
Laser-plasma interaction
Positron production
Relativistic collisionless shock
10 PW laser
PARTICLE-ACCELERATION
PULSES
CODE
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