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科研机构
北京大学 [71]
内容类型
期刊论文 [55]
其他 [16]
发表日期
2017 [6]
2016 [11]
2015 [6]
2014 [7]
2013 [6]
2012 [6]
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专题:北京大学
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Comparison of soil heavy metal pollution caused by e-waste recycling activities and traditional industrial operations
期刊论文
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH, 2017
He, Kailing
;
Sun, Zehang
;
Hu, Yuanan
;
Zeng, Xiangying
;
Yu, Zhiqiang
;
Cheng, Hefa
收藏
  |  
浏览/下载:19/0
  |  
提交时间:2017/12/03
Soil pollution
Heavy metals
E-waste recycling
Traditional industrial operations
Sequential extraction
Potential ecological risk
PEARL RIVER DELTA
HUMAN HEALTH-RISK
SPATIAL-DISTRIBUTION
SURFACE SOILS
SEQUENTIAL EXTRACTION
AGRICULTURAL SOILS
SOUTH CHINA
FARMLAND SOILS
TRACE-METALS
URBAN SOILS
基于剖分网格的多源资源环境数据统一检索方法
期刊论文
武汉大学学报(信息科学版), 2017
吴飞龙
;
程承旗
;
陈波
;
褚福林
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2017/12/03
资源环境数据
剖分网格
多源
网格编码
统一检索
resource environmental data
subdivision grid
multi-source
grid code
integrated retrieval
低渗透砂岩储层可压裂性新判据
期刊论文
地学前缘, 2017
杜书恒
;
关平
;
师永民
;
方媛媛
;
盛英帅
;
张志强
;
梁耀欢
;
兰开军
;
王哲麟
;
赵晔
;
师俊峰
;
Abitkazy TASKYN
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
低渗透
可压裂性
有限元
判据
常规测井
low permeability
fracturing capability
finite element
criterion
conventional log data
湖相原生白云石的微生物成因机理探讨
期刊论文
古地理学报, 2017
蒋启财
;
刘波
;
郭荣涛
;
高孝巧
;
李扬
;
张单明
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
原生白云石
微生物成因
湖相白云石
机理模式
形成环境
primary dolomite
microbiogenic
lacustrine dolomite
mechanism model
forming environment
Investigation of the interactions between methylene blue and intramolecular G-quadruplexes: an explicit distinction in electrochemical behavior
期刊论文
ANALYST, 2017
Cao, Ting
;
Zhang, Fang-Ting
;
Cai, Liang-Yuan
;
Zhou, Ying-Lin
;
Buurma, Niklaas J.
;
Zhang, Xin-Xiang
收藏
  |  
浏览/下载:36/0
  |  
提交时间:2017/12/03
HUMAN TELOMERIC DNA
STRUCTURAL BASIS
BINDING
LIGAND
PROBE
DRUG
VISUALIZATION
OPTIMIZATION
COMPLEXES
BIOSENSOR
A Real-Time Access Control of Patient Service in the Outpatient Clinic
期刊论文
IEEE TRANSACTIONS ON AUTOMATION SCIENCE AND ENGINEERING, 2017
Song, Jie
;
Qiu, Yunzhe
;
Liu, Zekun
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/04
Admission control (AC)
healthcare management
Markov decision process (MDP)
myopic optimal policy
patient utility
NO-SHOWS
WAITING TIME
APPOINTMENTS
ALLOCATION
OVERBOOKING
QUEUES
SERVER
MODEL
Assessing spatiotemporal variation of drought in China and its impact on agriculture during 1982-2011 by using PDSI indices and agriculture drought survey data
期刊论文
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, 2016
Yan, Hao
;
Wang, Shao-Qiang
;
Wang, Jun-Bang
;
Lu, Hou-Quan
;
Guo, An-Hong
;
Zhu, Zai-Chun
;
Myneni, Ranga B.
;
Shugart, Herman H.
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/03
PDSI
agricultural drought survey
drought area
potential evaporation
WATER-USE EFFICIENCY
SEVERITY INDEX
ELEVATED CO2
GLOBAL DROUGHT
SOIL-MOISTURE
EVAPOTRANSPIRATION
PHOTOSYNTHESIS
YIELD
CLASSIFICATION
VARIABILITY
Improved methods for detection and arrival picking of microseismic events with low signal-to-noise ratios
期刊论文
GEOPHYSICS, 2016
Tan, Yuyang
;
He, Chuan
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
BROAD-BAND SEISMOGRAM
TIME-SERIES MODEL
SEISMIC-WAVES
PHASE IDENTIFICATION
CROSS-CORRELATION
SPECTRAL MATRIX
P-WAVE
RECORDINGS
LOCATIONS
ALGORITHM
The Late Devonian Frasnian-Famennian Event in South China - Patterns and causes of extinctions, sea level changes, and isotope variations
期刊论文
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY, 2016
Ma, Xueping
;
Gong, Yiming
;
Chen, Daizhao
;
Racki, Grzegorz
;
Chen, Xiuqin
;
Liao, Weihua
收藏
  |  
浏览/下载:27/0
  |  
提交时间:2017/12/03
Upper Devonian
Kellwasser events
Mass extinction
South China
Diversity change
Biotic crisis
LARGE IGNEOUS PROVINCES
MARINE ORGANIC-MATTER
F MASS EXTINCTION
FRASNIAN/FAMENNIAN BOUNDARY
BIOTIC CRISIS
NORTH-AMERICA
SEQUENCE STRATIGRAPHY
ATRYPIDA BRACHIOPODA
GEOCHEMICAL RECORDS
KELLWASSER EVENT
Zircon geochemistry of two contrasting types of eclogite: Implications for the tectonic evolution of the North Qaidam UHPM belt, northern Tibet
期刊论文
GONDWANA RESEARCH, 2016
Zhang, Guibin
;
Ireland, Trevor
;
Zhang, Lifei
;
Gao, Zhan
;
Song, Shuguang
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/03
Zircon
Oxygen isotopes
Eclogite
Trace elements
Lu-Hf
North Qaidam
U-PB GEOCHRONOLOGY
SUBDUCTION-ZONE METAMORPHISM
ULTRAHIGH-PRESSURE ECLOGITE
TRACE-ELEMENT GEOCHEMISTRY
GLASS REFERENCE MATERIALS
EAST-CENTRAL CHINA
TI-IN-ZIRCON
NW CHINA
WESTERN CHINA
CONTINENTAL SUBDUCTION
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