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科研机构
北京大学 [15]
内容类型
期刊论文 [15]
发表日期
2017 [2]
2016 [3]
2015 [1]
2013 [2]
2011 [1]
2009 [1]
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专题:北京大学
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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
CuInS2/ZnS Quantum Dots Conjugating Gd(III) Chelates for Near-Infrared Fluorescence and Magnetic Resonance Bimodal Imaging
期刊论文
ACS APPLIED MATERIALS & INTERFACES, 2017
Yang, Yongbo
;
Lin, Li
;
Jing, Lijia
;
Yue, Xiuli
;
Dai, Zhifei
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
magnetic resonance imaging
near-Infrared fluorescence imaging
bimodal contrast agent
quantum dots
Gd(III) chelate
GOLD NANOPARTICLES
DRUG-DELIVERY
SYNERGISTIC THERAPY
MN-PORPHYRIN
NANOCRYSTALS
DOXORUBICIN
CANCER
BIODISTRIBUTION
RELAXIVITY
NANOPROBE
Loess and early land use: Geoarchaeological investigation at the early Neolithic site of Guobei, Southern Chinese Loess Plateau
期刊论文
CATENA, 2016
Zhuang, Yijie
;
Bao, Wenbo
;
French, Charles
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/04
Loess
Early farming
Micromorphology
OSL dating
Geoarchaeology
China
PALEOSOL SEQUENCE
HOLOCENE
SOILS
ACCUMULATION
LUMINESCENCE
EXAMPLES
CLIMATE
RECORD
ROOTS
SPAIN
Phosphorus accumulates faster than nitrogen globally in freshwater ecosystems under anthropogenic impacts
期刊论文
ECOLOGY LETTERS, 2016
Yan, Zhengbing
;
Han, Wenxuan
;
Penuelas, Josep
;
Sardans, Jordi
;
Elser, James J.
;
Du, Enzai
;
Reich, Peter B.
;
Fang, Jingyun
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
Accumulation
anthropogenic impacts
biogeochemistry
decoupling of nitrogen and phosphorus cycles
freshwater ecosystems
global patterns
imbalance
macrophytes
stoichiometry
waterbodies
TN-TP RATIO
SHALLOW LAKES
LEAF NITROGEN
NUTRIENT LIMITATION
AQUATIC MACROPHYTES
N-P
CHINA
STOICHIOMETRY
PATTERNS
EUTROPHICATION
Simultaneous production of triacylglycerol and high-value carotenoids by the astaxanthin-producing oleaginous green microalga Chlorella zofingiensis
期刊论文
BIORESOURCE TECHNOLOGY, 2016
Liu, Jin
;
Mao, Xuemei
;
Zhou, Wenguang
;
Guarnieri, Michael T.
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/03
Astaxanthin
Biofuels
Chlorella zofingiensis
Integrated production
Stress conditions
Triacylglycerol
HAEMATOCOCCUS-PLUVIALIS
OUTDOOR CULTIVATION
LIPID PRODUCTIVITY
DESATURASE GENE
OPEN POND
ACCUMULATION
BIODIESEL
PHOTOBIOREACTOR
VULGARIS
STRAINS
Influence of ore deposits on river sediment compositions in Dan River drainage, China
期刊论文
JOURNAL OF GEOCHEMICAL EXPLORATION, 2015
Meng, Qingpeng
;
Zhang, Jing
;
Zhang, Zhaoyu
;
Wu, Tairan
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
Dan River drainage
Surface sediment
Heavy metal
Metal ore deposits
Risk assessment
MULTIVARIATE STATISTICAL TECHNIQUES
MESOZOIC MOLYBDENUM DEPOSITS
HEAVY-METAL CONTAMINATION
DISSOLVED TRACE-ELEMENTS
DABIE OROGENIC BELT
SURFACE SEDIMENTS
ECOLOGICAL RISK
QINLING OROGEN
WATER-QUALITY
DANJIANGKOU RESERVOIR
Concentration and pollution assessment of hazardous metal elements in sediments of the Xiangjiang River, China
期刊论文
journal of radioanalytical and nuclear chemistry, 2013
Mao, Longjiang
;
Mo, Duowen
;
Yang, Jinghong
;
Jia, Yaofeng
;
Guo, Yuanyuan
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2015/11/13
Metal elements
Pollution assessment
Surface sediments
Xiangjiang River
HEAVY-METAL
SURFACE SEDIMENTS
STREAM SEDIMENTS
TRACE-METAL
IZMIT BAY
CONTAMINATION
ESTUARINE
SOILS
INDEX
SEA
Structural and optical properties of self-catalytic GaAs:Mn nanowires grown by molecular beam epitaxy on silicon substrates
期刊论文
nanoscale, 2013
Gas, Katarzyna
;
Sadowski, Janusz
;
Kasama, Takeshi
;
Siusys, Aloyzas
;
Zaleszczyk, Wojciech
;
Wojciechowski, Tomasz
;
Morhange, Jean-Francois
;
Altintas, Abdulmenaf
;
Xu, H. Q.
;
Szuszkiewicz, Wojciech
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2015/11/11
III-V NANOWIRES
MN-DOPED GAAS
MAGNETIC SEMICONDUCTORS
(GA,MN)AS NANOWIRES
ION-IMPLANTATION
GAMNAS LAYERS
LUMINESCENCE
EMISSION
PHOTOLUMINESCENCE
FERROMAGNETISM
Contamination assessment of heavy metal in surface sediments of the Wuding River, northern China
期刊论文
journal of radioanalytical and nuclear chemistry, 2011
Longjiang, M.
;
Qiang, F.
;
Duowen, M.
;
Ke, H.
;
Jinghong, Y.
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2015/11/12
The Wuding River
Heavy metal
Surface sediments
Contamination assessment
TRACE-ELEMENTS
AGRICULTURAL INTENSIFICATION
SUSPENDED MATTER
INTERTIDAL ZONE
GANGES RIVER
LERMA RIVER
HONG-KONG
INDIA
ACCUMULATION
TRIBUTARIES
Biogenic Origin of Polymetallic Nodules from the Clarion-Clipperton Zone in the Eastern Pacific Ocean: Electron Microscopic and EDX Evidence
期刊论文
marine biotechnology, 2009
Wang, Xiaohong
;
Schlossmacher, Ute
;
Wiens, Matthias
;
Schroeder, Heinz C.
;
Mueller, Werner E. G.
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2015/11/11
Manganese nodules
Biomineralization
Clarion-Clipperton zone
Microorganisms
Bacteria (cocci)
Bacteria (rods)
Biogenic manganese
MANGANESE NODULES
FERROMANGANESE NODULES
SUBERITES-DOMUNCULA
SILICEOUS SPICULES
ESCHERICHIA-COLI
SILICATEIN-ALPHA
OXIDATION
BACTERIOLOGY
BIOSILICA
SEDIMENTS
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