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科研机构
北京大学 [186]
内容类型
期刊论文 [107]
其他 [73]
会议论文 [6]
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2017 [7]
2016 [14]
2015 [14]
2014 [12]
2013 [16]
2012 [12]
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专题:北京大学
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结晶学与矿物学虚拟仿真实验教学探索
期刊论文
实验室研究与探索, 2017
郭艳军
;
陈斌
;
秦善
;
崔莹
;
熊文涛
;
阎述辰
;
葛天雨
;
蒙聪
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
结晶学与矿物学
实验教学
虚拟仿真
3D打印
资源共享
crystallography and mineralogy
experiment teaching
virtual simulation
3D-printing
resource sharing
Surface Water Extraction From Landsat 8 OLI Imagery Using the LBV Transformation
期刊论文
IEEE JOURNAL OF SELECTED TOPICS IN APPLIED EARTH OBSERVATIONS AND REMOTE SENSING, 2017
Zhang, Tianyuan
;
Ren, Huazhong
;
Qin, Qiming
;
Zhang, Chengye
;
Sun, Yuanheng
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
Landsat 8 Operational Land Imager (OLI)
LBV transformation
surface water extraction
threshold
WE-LBV
REMOTELY-SENSED IMAGERY
INDEX NDWI
SATELLITE IMAGERY
TIME-SERIES
LAKES
CLASSIFICATION
DELINEATION
SELECTION
CHINA
FLOOD
AN ALGEBRAIC APPROACH TO NONORTHOGONAL GENERAL JOINT BLOCK DIAGONALIZATION
其他
2017-01-01
Cai, Yunfeng
;
Liu, Chengyu
收藏
  |  
浏览/下载:112/0
  |  
提交时间:2017/12/03
joint block diagonalization
tensor decomposition
independent component analysis
CANONICAL POLYADIC DECOMPOSITION
HIGHER-ORDER TENSOR
EXPLOITING GROUP SYMMETRY
MATRIX ASTERISK-ALGEBRAS
3RD-ORDER TENSORS
UNIQUENESS
SEPARATION
IDENTIFICATION
ALGORITHMS
SQUARES
Catalytic asymmetric trifluoromethylthiolation via enantioselective [2,3]-sigmatropic rearrangement of sulfonium ylides
期刊论文
NATURE CHEMISTRY, 2017
Zhang, Zhikun
;
Sheng, Zhe
;
Yu, Weizhi
;
Wu, Guojiao
;
Zhang, Rui
;
Chu, Wen-Dao
;
Zhang, Yan
;
Wang, Jianbo
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
2,3 SIGMATROPIC REARRANGEMENT
ALLYL ARYL SULFIDES
C-H ACTIVATION
DONOR/ACCEPTOR CARBENOIDS
BOND FORMATION
METAL CARBENE
TANDEM YLIDE
SULFUR
GENERATION
COMPLEXES
Cortistatin类型天然产物的不对称形式全合成:金催化串联Semi-Pinacol重排反应策略
期刊论文
化学学报, 2017
顾月青
;
袁浩
;
傅俊凯
;
龚建贤
;
杨震
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
金催化
氧桥环
形式全合成
semi-pinacol重排
Cortistatins
gold catalysis
oxabicyclo[3.2.1]octane skeletons
formal synthesis
semi-pinacol rearrangement
Cortistatins
SPONGE CORTICIUM-SIMPLEX
OLEFIN CROSS-METATHESIS
STEROIDAL ALKALOIDS
MARINE SPONGE
CONCISE SYNTHESIS
SCALABLE SYNTHESIS
CASCADE REACTIONS
PENTACYCLIC CORE
RING STRUCTURE
(+)-CORTISTATIN-A
Review on the Fate and Mechanism of Nitrogen Pollutant Removal from Wastewater Using a Biological Filter
期刊论文
POLISH JOURNAL OF ENVIRONMENTAL STUDIES, 2017
Wang, Honglei
;
Zhi, Wei
;
Deng, Na
;
Ji, Guodong
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
biotransformation
nitrogen removal
biofilter
wasterwater
nitrogen microorganisms
ANAEROBIC AMMONIUM OXIDATION
MICROCYCLE FUNCTIONAL GENES
LOADING RATE CONSTRAINTS
NITRITE CANON PROCESS
BED TRICKLING FILTER
MICROBIAL COMMUNITY
BIOFILTRATION SYSTEMS
MULTIMEDIA BIOFILTER
OXYGEN CONCENTRATION
OXIDIZING ARCHAEA
缝洞型油藏井钻遇大尺度部分充填溶洞数学模型
期刊论文
地球科学-中国地质大学学报, 2017
雷刚
;
张东晓
;
杨伟
;
王会杰
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
缝洞型油藏
大尺度溶洞
充填特征
窜流特征曲线
参数分析
石油地质
fractured-cavity reservoir
large-scale cavity
filling characteristics
cross flow characteristic curve
parameter analysis
petroleum geology
Spatio-Temporal Patterns of Urban-Rural Development and Transformation in East of the "Hu Huanyong Line", China
期刊论文
ISPRS INTERNATIONAL JOURNAL OF GEO-INFORMATION, 2016
Hu, Zhichao
;
Wang, Yanglin
;
Liu, Yansui
;
Long, Hualou
;
Peng, Jian
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
urban-rural development transformation
urbanization
Hu Huanyong line
type division
LAND-USE CHANGE
EQUALIZED DEVELOPMENT
CONSOLIDATION
URBANIZATION
MIGRATION
PROVINCE
AREAS
BASIN
RIVER
CITY
Using Machine Learning in Environmental Tax Reform Assessment for Sustainable Development: A Case Study of Hubei Province, China
期刊论文
SUSTAINABILITY, 2016
Zheng, Yinger
;
Zheng, Haixia
;
Ye, Xinyue
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/03
environmental fee to tax reform
China
synthetic control method
sulfur dioxide (SO2) emissions
machine learning
SYNTHETIC CONTROL METHODS
KUZNETS CURVE
SO2 EMISSIONS
POLLUTION
CARBON
ENFORCEMENT
DIFFERENCE
IMPACTS
MODELS
ENERGY
Disappearing gradually and unconsciously in rural China: Research on the sunken courtyard and the reasons for change in Shanxian County, Henan Province
期刊论文
JOURNAL OF RURAL STUDIES, 2016
Wang, Fang
;
Yu, Fengyao
;
Zhu, Xiaohua
;
Pan, Xiaoli
;
Sun, Ruimin
;
Cai, Hongru
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
Sunken courtyard
Chinese traditional dwelling
Rural heritage change
Heritage management
Rural policy
TRADITIONAL DWELLINGS
VERNACULAR HOUSES
TRANSFORMATION
ARCHITECTURE
DESIGN
ENVIRONMENT
STRATEGIES
LANDSCAPE
SPAIN
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