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科研机构
北京大学 [10]
内容类型
期刊论文 [10]
发表日期
2015 [10]
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发表日期:2015
内容类型:期刊论文
专题:北京大学
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Resorption efficiency of leaf nutrients in woody plants on Mt. Dongling of Beijing, North China
期刊论文
JOURNAL OF PLANT ECOLOGY, 2015
Zhang, Jianhua
;
Tang, Zhiyao
;
Luo, Yongkai
;
Chi, Xiulian
;
Chen, Yahan
;
Fang, Jingyun
;
Shen, Haihua
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
nitrogen concentration
phosphorus concentration
senesced leaves
nitrogen resorption efficiency
phosphorus resorption efficiency
soil nutrient
climate
NITROGEN RESORPTION
PHOSPHORUS CONCENTRATIONS
FUNCTIONAL-SIGNIFICANCE
ELEVATIONAL GRADIENT
TERRESTRIAL PLANTS
SENESCING LEAVES
PATTERNS
FOREST
SOIL
PROFICIENCY
Molecularly Imprinted Polymers as Tools for Bioassays and Biotransformation
期刊论文
advances in biochemical engineeringbiotechnology, 2015
Liu Yibin
;
Huang Shan
;
Li Zhuo
;
Zhao Meiping
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2015/11/13
Sinusoidal phase-modulating self-mixing interferometer with nanometer resolution and improved measurement velocity range
期刊论文
APPLIED OPTICS, 2015
Xia, Wei
;
Liu, Qiang
;
Hao, Hui
;
Guo, Dongmei
;
Wang, Ming
;
Chen, Xuzong
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
LASER FEEDBACK INTERFEROMETRY
DISPLACEMENT MEASUREMENT
ELECTROOPTIC MODULATOR
REFRACTIVE-INDEX
ACCURACY
Improving the Accuracy of Time-Difference Measurement by Reducing the Impact of Baseline Shift
期刊论文
IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT, 2015
Zhang, Yang
;
Li, Zhaohui
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  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
Baseline shift
double-edge method
time-difference measurement
triple-edge method
ultrasonic flow measurement
TO-DIGITAL CONVERTER
RESOLUTION
The Observation of Residual Oil Evolution During Waterflooding Using NMR D-T (2) Maps
期刊论文
APPLIED MAGNETIC RESONANCE, 2015
Qi, Yukai
;
Liu, Naigui
;
Wang, Weimin
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2017/12/03
POROUS-MEDIA
RELAXATION
DIFFUSION
FLUID
Effect of equivalence ratio on the velocity of rotating detonation
期刊论文
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 2015
Wang, Yuhui
;
Wang, Jianping
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
Rotating detonation
Experiment
Numerical simulation
Pressure
Equivalence ratio
HYDROGEN
MIXTURES
FLOW
Adaptive Slope Walking With a Robotic Transtibial Prosthesis Based on Volitional EMG Control
期刊论文
IEEE-ASME TRANSACTIONS ON MECHATRONICS, 2015
Chen, Baojun
;
Wang, Qining
;
Wang, Long
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
Damping control
robotic transtibial prosthesis
slope walking
terrain adaptability
volitional electromyographic (EMG) control
ANKLE PROSTHESIS
MYOELECTRIC CONTROL
MULTISENSOR FUSION
DESIGN
LOCOMOTION
AMPUTEES
KNEE
SURFACE
Sharpened cortical tuning and enhanced cortico-cortical communication contribute to the long-term neural mechanisms of visual motion perceptual learning
期刊论文
神经影像, 2015
Chen Nihong
;
Bi Taiyong
;
Zhou Tiangang
;
Li Sheng
;
Liu Zili
;
Fang Fang
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2015/11/11
Dynamic causal modeling,Functional magnetic resonance imaging,Multivariate analysis,Perceptual learning,Visual cortex
A new strategy for parameter optimization to improve phase-dependent locomotion mode recognition
期刊论文
neurocomputing, 2015
Chen, Baojun
;
Zheng, Enhao
;
Wang, Qining
;
Wang, Long
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2015/11/10
Phase-dependent recognition
Locomotion mode recognition
Parameter optimization
Wearable sensing system
MULTIFUNCTION MYOELECTRIC CONTROL
TIME INTENT RECOGNITION
CLASSIFICATION SCHEME
SURFACE EMG
UPPER-LIMB
SYSTEM
HAND
ACCELEROMETER
PROSTHESIS
Altered baseline brain activities before food intake in obese men: A resting state fMRI study
期刊论文
神经科学快报, 2015
Zhang, Bin
;
Tian, Derun
;
Yu, Chunshui
;
Zhang, Jing
;
Tian, Xiao
;
von Deneen, Karen M.
;
Zang, Yufeng
;
Walter, Martin
;
Liu, Yijun
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2015/11/11
Obesity
Regional homogeneity
Resting state
Functional magnetic resonance imaging
Food intake
REGIONAL HOMOGENEITY
ACTIVATION
TASK
METAANALYSIS
SATIATION
CORTEX
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