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科研机构
北京大学 [87]
内容类型
期刊论文 [80]
其他 [5]
会议论文 [2]
发表日期
2017 [7]
2016 [9]
2015 [10]
2014 [4]
2013 [4]
2012 [4]
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共87条,第1-10条
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专题:北京大学
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Variability and quasi-decadal changes in the methane budget over the period 2000-2012
期刊论文
ATMOSPHERIC CHEMISTRY AND PHYSICS, 2017
Saunois, Marielle
;
Bousquet, Philippe
;
Poulter, Ben
;
Peregon, Anna
;
Ciais, Philippe
;
Canadell, Josep G.
;
Dlugokencky, Edward J.
;
Etiope, Giuseppe
;
Bastviken, David
;
Houweling, Sander
;
Janssens-Maenhout, Greet
;
Tubiello, Francesco N.
;
Castaldi, Simona
;
Jackson, Robert B.
;
Alexe, Mihai
;
Arora, Vivek K.
;
Beerling, David J.
;
Bergamaschi, Peter
;
Blake, Donald R.
;
Brailsford, Gordon
;
Bruhwiler, Lori
;
Crevoisier, Cyril
;
Crill, Patrick
;
Covey, Kristofer
;
Frankenberg, Christian
;
Gedney, Nicola
;
Hoeglund-Isaksson, Lena
;
Ishizawa, Misa
;
Ito, Aki
收藏
  |  
浏览/下载:109/0
  |  
提交时间:2017/12/03
GLOBAL ATMOSPHERIC ETHANE
NATURAL-GAS PRODUCTION
PROCESS-BASED MODEL
CH4 EMISSIONS
FOSSIL-FUEL
GROWTH-RATE
INTERANNUAL VARIABILITY
TERRESTRIAL ECOSYSTEMS
BIOGEOCHEMISTRY MODEL
SURFACE MEASUREMENTS
Prediction of Two-Dimensional Phase of Boron with Anisotropic Electric Conductivity
期刊论文
JOURNAL OF PHYSICAL CHEMISTRY LETTERS, 2017
Cui, Zhi-Hao
;
Jimenez-Izal, Elisa
;
Alexandrova, Anastassia N.
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
SHEETS
NANOTUBES
SURFACE
GROWTH
RISE
Fast analysis of glycosides based on HKUST-1-coated monolith solid-phase microextraction and direct analysis in real-time mass spectrometry
期刊论文
JOURNAL OF SEPARATION SCIENCE, 2017
Li, Xianjiang
;
Wang, Xin
;
Ma, Wen
;
Ai, Wanpeng
;
Bai, Yu
;
Ding, Li
;
Liu, Huwei
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
direct analysis in real time
glycosides
monoliths
solid-phase microextraction
METAL-ORGANIC FRAMEWORK
PERFORMANCE LIQUID-CHROMATOGRAPHY
SHELL MAGNETIC MICROSPHERES
IMIDAZOLATE FRAMEWORK-8
EFFICIENT ENRICHMENT
ENVIRONMENTAL WATER
TOBACCO-LEAVES
DART-MS
DIP-IT
EXTRACTION
Selenium doping NaCl-type superconductor: SnAs1-xSex (x=0-0.13)
期刊论文
JOURNAL OF SOLID STATE CHEMISTRY, 2017
He, Jianqiao
;
Zhang, Xian
;
Lai, Xiaofang
;
Huang, Fuqiang
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
SnAs1-xSex
Superconductivity
Compressive strain
HIGH-PRESSURE
TEMPERATURE
SNAS
A Series of Bimetallic Ammonium AlNa Formates
期刊论文
CHEMISTRY-A EUROPEAN JOURNAL, 2017
Yu, Yao
;
Shang, Ran
;
Chen, Sa
;
Wang, Bing-Wu
;
Wang, Zhe-Ming
;
Gao, Song
收藏
  |  
浏览/下载:56/0
  |  
提交时间:2017/12/03
AlNa
bimetallic ammonium metal formate
dielectric properties
phase transition
structure
METAL-ORGANIC FRAMEWORKS
NEGATIVE THERMAL-EXPANSION
PROMINENT DIELECTRIC ANOMALIES
STRUCTURAL PHASE-TRANSITIONS
PEROVSKITE-LIKE
MAGNETIC-PROPERTIES
INORGANIC PEROVSKITES
MECHANICAL-PROPERTIES
COPPER-FORMATE
ZN
Noncontact Capacitive Sensing-Based Locomotion Transition Recognition for Amputees With Robotic Transtibial Prostheses
会议论文
Zheng, Enhao
;
Wang, Qining
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
Capacitive sensing
locomotion transition recognition
robotic prosthesis
transtibial amputees
ANKLE-FOOT PROSTHESIS
LOWER-LIMB PROSTHESIS
INTENT RECOGNITION
DESIGN
WALKING
ALGORITHMS
SYSTEM
MODES
GAITS
Noncontact Capacitive Sensing-Based Locomotion Transition Recognition for Amputees With Robotic Transtibial Prostheses
期刊论文
International Workshop on Wearable Robotics for Motion Assistance and Rehabilitation (RObOASSIST) in conjunction with the IEEE International Conference on Robotics and Automation (ICRA), 2017
Zheng, Enhao
;
Wang, Qining
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
Capacitive sensing
locomotion transition recognition
robotic prosthesis
transtibial amputees
ANKLE-FOOT PROSTHESIS
LOWER-LIMB PROSTHESIS
INTENT RECOGNITION
DESIGN
WALKING
ALGORITHMS
SYSTEM
MODES
GAITS
The Holocene history of Lop Nur and its palaeoclimate implications
期刊论文
QUATERNARY SCIENCE REVIEWS, 2016
Liu, Chenglin
;
Zhang, Jia-Fu
;
Jiao, Pengcheng
;
Mischke, Steffen
收藏
  |  
浏览/下载:9/0
  |  
提交时间:2017/12/03
Grain size
Pollen and spores
Lop Nur
Tarim Basin
Xinjiang
Arid central Asia
Holocene
ARID CENTRAL-ASIA
QINGHAI-TIBETAN PLATEAU
TARIM RIVER-BASIN
BOSTEN LAKE
NW CHINA
MOISTURE EVOLUTION
EOLIAN ACTIVITY
QAIDAM BASIN
GRAIN-SIZE
SALT-LAKE
华北地磁感应矢量时空特征分析
期刊论文
地球物理学报, 2016
王桥
;
黄清华
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
华北地区
地磁感应矢量
时空变化特征
电导率异常
North China
Geomagnetic induction vectors
Long-term background
Conductive anomaly
RESPONSE FUNCTION ESTIMATION
ARROW REPRESENTATION
ROBUST ESTIMATION
UPPER-MANTLE
BENEATH
EARTHQUAKE
ANOMALIES
ZONE
ARRAY
CRUST
太平洋大型横波低速带东部边界地幔最下部各向异性研究
期刊论文
地震学报, 2016
周鹏程
;
雷军
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
各向异性
太平洋LLSVP
SKS-SKKS震相对
anisotropy
Pacific LLSVP
SKS-SKKS phase-pair
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