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科研机构
北京大学 [55]
内容类型
期刊论文 [42]
其他 [13]
发表日期
2017 [4]
2016 [11]
2015 [9]
2014 [1]
2013 [3]
2012 [4]
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专题:北京大学
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Long-term forest resilience to climate change indicated by mortality, regeneration, and growth in semiarid southern Siberia
期刊论文
GLOBAL CHANGE BIOLOGY, 2017
Xu, Chongyang
;
Liu, Hongyan
;
Anenkhonov, Oleg A.
;
Korolyuk, Andrey Yu
;
Sandanov, Denis V.
;
Balsanova, Larisa D.
;
Naidanov, Bulat B.
;
Wu, Xiuchen
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/03
arid timberline
arid tree line
climate change
forest resilience
forest-steppe
patch size
southern Siberia
ECOLOGICAL RESILIENCE
TEMPERATE FOREST
WESTERN CANADA
SEED BANK
DROUGHT
DYNAMICS
VARIABILITY
DISTURBANCE
MOUNTAINS
TREELINE
Iterative reconstruction of scene depth with fidelity based on light field data
其他
2017-01-01
Liu, Chang
;
Qiu, Jun
;
Zhao, Songnian
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
PHOTOGRAPHY
Broadband reflection in polymer stabilized cholesteric liquid crystal films with stepwise photo-polymerization
期刊论文
PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 2017
Duan, Man-yu
;
Cao, Hui
;
Wu, Yong
;
Li, Er-li
;
Wang, Hui-hui
;
Wang, Dong
;
Yang, Zhou
;
He, Wan-li
;
Yang, Huai
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
PITCH GRADIENT
OPTICAL-PROPERTIES
LIGHT-REFLECTION
POLARIZERS
NETWORK
ELASTOMERS
GELS
Integration of graphene sensor with electrochromic device on modulus-gradient polymer for instantaneous strain visualization
期刊论文
2D MATERIALS, 2017
Yang, Tingting
;
Zhong, Yujia
;
Tao, Dashuai
;
Li, Xinming
;
Zang, Xiaobei
;
Lin, Shuyuan
;
Jiang, Xin
;
Li, Zhihong
;
Zhu, Hongwei
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
graphene
electronic skin
electrochromic device
strain sensor
visualization
ELECTRONIC SKIN
PRESSURE
FILMS
SUPERCAPACITORS
NETWORKS
Prevalent vegetation growth enhancement in urban environment
期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2016
Zhao, Shuqing
;
Liu, Shuguang
;
Zhou, Decheng
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
urban-rural gradients
urbanization
direct impact
indirect impact
vegetation growth
NET PRIMARY PRODUCTIVITY
NEW-YORK-CITY
UNITED-STATES
GLOBAL CHANGE
LAND-DEVELOPMENT
FOREST
URBANIZATION
CHINA
PHOTOSYNTHESIS
TEMPERATURE
Global patterns and determinants of forest canopy height
期刊论文
ECOLOGY, 2016
Tao, Shengli
;
Guo, Qinghua
;
Li, Chao
;
Wang, Zhiheng
;
Fang, Jingyun
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
climatic indices
forest canopy height
geoscience laser altimeter system
giant trees
light detection and ranging
potential evapotranspiration
RH100
tallest tree
water supply
TREE HEIGHT
GROWTH
CLIMATE
BIOMASS
LIMITS
PRECIPITATION
PRODUCTIVITY
DIVERSITY
GRADIENT
DROUGHT
Inconsistent changes of biomass and species richness along a precipitation gradient in temperate steppe
期刊论文
JOURNAL OF ARID ENVIRONMENTS, 2016
Qiu, Shuang
;
Liu, Hongyan
;
Zhao, Fengjun
;
Liu, Xu
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/04
Drought
Biomass
Species richness
C-4 plants
Water use efficiency
WATER-USE EFFICIENCY
CARBON-ISOTOPE DISCRIMINATION
FUNCTIONAL DIVERSITY
LIGHT LIMITATION
PLANT DIVERSITY
DROUGHT
PHOTOSYNTHESIS
ECOSYSTEMS
FOREST
STRESS
Research progress of cholesteric liquid crystals with broadband reflection characteristics in application of intelligent optical modulation materials
期刊论文
CHINESE PHYSICS B, 2016
Zhang, Lan-Ying
;
Gao, Yan-Zi
;
Song, Ping
;
Wu, Xiao-Juan
;
Yuan, Xiao
;
He, Bao-Feng
;
Chen, Xing-Wu
;
Hu, Wang
;
Guo, Ren-Wei
;
Ding, Hang-Jun
;
Xiao, Jiu-Mei
;
Yang, Huai
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/04
cholesteric liquid crystals
soft matter materials
broadband reflection characteristics
intelligent optical modulation materials
HIGH-BIREFRINGENCE
BINAPHTHALENE CROSSLINKINGS
SELECTIVE REFLECTION
PHASE-TRANSITIONS
FILMS
ELASTOMERS
POLYSILOXANES
POLARIZERS
ANISOTROPY
COMPOUND
Ultrathin flat parabolic reflector based on gradient metasurface
其他
2016-01-01
Ma, Wei
;
Jia, Delin
;
Yu, Xiaomei
;
Feng, Yun
;
Zhao, Yuejin
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
DISPERSION-CORRECTED METASURFACE FOR BEAM DEFLECTOR AND FLAT LENS
其他
2016-01-01
Yan, Libin
;
Cai, Hong
;
Gu, Yuan Dong
;
Zhu, Weiming
;
Wu, Pin Chieh
;
Yang, Zhengchuan
;
Jin, Yefeng
;
Hao, Yulong
;
Kwong, Dim-Lee
;
Liu, Ai-Qun
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
PLASMONIC METASURFACES
PHASE DISCONTINUITIES
LIGHT-PROPAGATION
GRADIENT
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