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科研机构
北京大学 [390]
内容类型
期刊论文 [292]
其他 [95]
会议论文 [3]
发表日期
2017 [29]
2016 [39]
2015 [31]
2014 [31]
2013 [41]
2012 [27]
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专题:北京大学
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Extracellular Saccharide-Mediated Reduction of Au3+ to Gold Nanoparticles: New Insights for Heavy Metals Biomineralization on Microbial Surfaces
期刊论文
ENVIRONMENTAL SCIENCE & TECHNOLOGY, 2017
Kang, Fuxing
;
Qu, Xiaolei
;
Alvarez, Pedro J. J.
;
Zhu, Dongqiang
收藏
  |  
浏览/下载:119/0
  |  
提交时间:2017/12/03
DISSOLVED ORGANIC-MATTER
POLYMERIC SUBSTANCES
REDUCING BACTERIA
BIOFILM MATRIX
SPECTROSCOPY
PLANTS
IRON
ACCUMULATION
MECHANISM
BIOMASS
High efficiency removal of methylene blue using SDS surface-modified ZnFe2O4 nanoparticles
期刊论文
JOURNAL OF COLLOID AND INTERFACE SCIENCE, 2017
Zhang, Ping
;
Lo, Irene
;
O&apos
;
Pehkonen, Simo
;
Cheng, Hefa
;
Hou, Deyi
;
Connor, David
收藏
  |  
浏览/下载:24/0
  |  
提交时间:2017/12/03
Adsorption capacity
Methylene blue
SDS modification
ZnFe2O4 nanoparticles
AQUEOUS-SOLUTION
CATIONIC DYES
PHOTODYNAMIC EFFICIENCY
MAGNETIC-PROPERTIES
MECHANISM ANALYSIS
CONGO RED
ACID-BASE
ADSORPTION
ADSORBENT
WATER
Removal of aqueous Pb(II) by adsorption on Al2O3-pillared layered MnO2
期刊论文
APPLIED SURFACE SCIENCE, 2017
Zhang, Haipeng
;
Gu, Liqin
;
Zhang, Ling
;
Zheng, Shourong
;
Wan, Haiqin
;
Sun, Jingya
;
Zhu, Dongqiang
;
Xu, Zhaoyi
收藏
  |  
浏览/下载:19/0
  |  
提交时间:2017/12/03
Manganese oxides
Al2O3 pillaring
Pillared MnO2
Lead adsorption
Heavy metal removal
MANGANESE OXIDE
HEAVY-METALS
NANOSHEETS
SORPTION
FILMS
IONS
FABRICATION
MECHANISM
ADSORBENT
OXIDATION
Dynamic arsenic aging processes and their mechanisms in nine types of Chinese soils
期刊论文
CHEMOSPHERE, 2017
Wang, Yanan
;
Zeng, Xibai
;
Lu, Yahai
;
Bai, Lingyu
;
Su, Shiming
;
Wu, Cuixia
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
Arsenic (As)
Soil types
Aging mechanism
Approximate aging equilibrium time
Kinetic equation fitting
CONTAMINATED SOILS
COMPETITIVE ADSORPTION
SEQUENTIAL EXTRACTION
DIFFUSIVE GRADIENTS
PHOSPHATE RELEASE
ACTIVATED ALUMINA
SOUTHEAST CHINA
CLAY-MINERALS
BIOACCESSIBILITY
KINETICS
北京市售食用菌的重金属含量及其对Pb的吸附特性研究
期刊论文
北京大学学报 自然科学版, 2017
姜源
;
郝瑞霞
;
杨诗琴
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
食用菌
生物吸附
等温吸附模型
动力学模型
Pb(Ⅱ)
common edible macro-fungi
biosorption
Pb(Ⅱ)
isotherm
kinetics
An explanation of auroral intensification during the substorm expansion phase
期刊论文
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, 2017
Yao, Zhonghua
;
Rae, I. J.
;
Lui, A. T. Y.
;
Murphy, K. R.
;
Owen, C. J.
;
Pu, Z. Y.
;
Forsyth, C.
;
Grodent, D.
;
Zong, Q.G.
;
Du, A. M.
;
Kalmoni, N. M. E.
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
substorm
field-aligned current
plasma sheet
aurora
magnetotail
NEAR-EARTH TAIL
MULTIPLE-ONSET SUBSTORMS
PLASMA SHEET
MAGNETIC-FIELD
PSEUDO-BREAKUP
FLOW BURSTS
MAGNETOSPHERIC SUBSTORM
DIPOLARIZATION FRONTS
PARTICLE-ACCELERATION
THEMIS OBSERVATIONS
Stromatolites near the Permian-Triassic boundary in Chongyang, Hubei Province, South China: A geobiological window into palaeo-oceanic fluctuations following the end-Permian extinction
期刊论文
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY, 2017
Adachi, Natsuko
;
Asada, Yuya
;
Ezaki, Yoichi
;
Liu, Jianbo
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
Extinction
Microbialite
Ocean condition
South China
Stromatolite
WESTERN UNITED-STATES
MASS EXTINCTION
NANPANJIANG BASIN
GUIZHOU PROVINCE
PALEOENVIRONMENTAL SIGNIFICANCE
DOLOMITE PRECIPITATION
MARINE STROMATOLITES
ENVIRONMENTAL-CHANGE
SICHUAN PROVINCE
GREAT BANK
Orbital shadowing for 3-flows
其他
2017-01-01
Gan, Shaobo
;
Li, Ming
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
3-flows
Orbital shadowing
ohm-stability
NO-CYCLE
STABILITY
LEMMA
FLOWS
AXIOM
A fourth-order AVF method for the numerical integration of sine-Gordon equation
其他
2017-01-01
Jiang, Chaolong
;
Sun, Jianqiang
;
Li, Haochen
;
Wang, Yifan
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
Energy-preserving
Average vector field method
Pseudo-spectral method
Sine-Gordon equation
Soliton
BACKWARD ERROR ANALYSIS
SYMPLECTIC RUNGE-KUTTA
ALGORITHMS
SOLITONS
SCHEME
COLLOCATION
PDES
IDENTIFICATION OF UNIVERSALLY OPTIMAL CIRCULAR DESIGNS FOR THE INTERFERENCE MODEL
其他
2017-01-01
Zheng, Wei
;
Ai, Mingyao
;
Li, Kang
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
Approximate design theory
circular design
interference model
linear equations system
universal optimality
NEIGHBOR-BALANCED DESIGNS
CORRELATED OBSERVATIONS
INTERPLOT INTERFERENCE
BLOCK-DESIGNS
TRIALS
COMPETITION
ADJUSTMENT
GENOTYPES
PLOTS
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