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科研机构
北京大学 [284]
内容类型
期刊论文 [241]
其他 [42]
会议论文 [1]
发表日期
2017 [15]
2016 [29]
2015 [19]
2014 [16]
2013 [23]
2012 [31]
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专题:北京大学
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退耕还林(草)工程实施前后黄土高原植被覆盖时空变化分析
期刊论文
自然资源学报, 2017
赵安周
;
张安兵
;
刘海新
;
刘焱序
;
王贺封
;
王冬利
收藏
  |  
浏览/下载:9/0
  |  
提交时间:2017/12/03
退耕还林(草)
黄土高原
GIMMS NDVI3g
Grain for Green Project
GIMMS NDVI3g
Loess Plateau
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
Changes of soil organic and inorganic carbon in relation to grassland degradation in Northern Tibet
期刊论文
ECOLOGICAL RESEARCH, 2017
Liu, Shuli
;
Tang, Yanhong
;
Zhang, Fawei
;
Du, Yangong
;
Lin, Li
;
Li, Yikang
;
Guo, Xiaowei
;
Li, Qian
;
Cao, Guangmin
收藏
  |  
浏览/下载:108/0
  |  
提交时间:2017/12/03
Soil carbon
Grassland degradation
Carbon storage
Northern Tibet
QINGHAI PROVINCE
LAND DEGRADATION
CLIMATE-CHANGE
ALPINE MEADOW
CO2 EMISSIONS
CHINA
STORAGE
SEQUESTRATION
PLATEAU
MANAGEMENT
Mantle seismic anisotropy beneath NE China and implications for the lithospheric delamination hypothesis beneath the southern Great Xing'an range
期刊论文
EARTH AND PLANETARY SCIENCE LETTERS, 2017
Chen, Haichao
;
Niu, Fenglin
;
Obayashi, Masayuki
;
Grand, Stephen P.
;
Kawakatsu, Hitoshi
;
Chen, Y. John
;
Ning, Jieyuan
;
Tanaka, Satoru
收藏
  |  
浏览/下载:119/0
  |  
提交时间:2017/12/03
NE China
seismic anisotropy
lithosphere deformation
mantle flow
and delamination
CENOZOIC BASALTS
NORTHEAST CHINA
INNER-MONGOLIA
FLOW BENEATH
PACIFIC SLAB
ORIGIN
VOLCANISM
CRUSTAL
TOMOGRAPHY
PLATE
蒙古巴音苏赫图钨矿床正长斑岩锆石U-Pb年龄及其地质意义
期刊论文
地质论评, 2017
郭志华
;
张宝林
;
党永岐
;
郭勃巍
;
高磊
;
侯金亮
;
张丽春
收藏
  |  
浏览/下载:11/0
  |  
提交时间:2017/12/03
蒙古国
正长斑岩
锆石U-Pb年龄
地球化学
构造意义
Mongolia
syenite porphyry
zircon U-Pb age
geochemistry
tectonic significance
The fcc structure isomerization in gold nanoclusters
期刊论文
NANOSCALE, 2017
Zhuang, Shengli
;
Liao, Lingwen
;
Li, Man-Bo
;
Yao, Chuanhao
;
Zhao, Yan
;
Dong, Hongwei
;
Li, Jin
;
Deng, Haiteng
;
Li, Lingling
;
Wu, Zhikun
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
X-RAY CRYSTALLOGRAPHY
PROTECTED AU-25 CLUSTER
OPTICAL-PROPERTIES
THEORETICAL-ANALYSIS
METAL NANOCLUSTERS
CRYSTAL-STRUCTURE
NANOPARTICLE
NANOCRYSTALS
MONOLAYER
COMPLEXES
Gold nanoshell arrays-based visualized sensors of pH: Facile fabrication and high diffraction intensity
期刊论文
JOURNAL OF MATERIALS RESEARCH, 2017
Men, D. D.
;
Zhou, F.
;
Li, H. L.
;
Hang, L. F.
;
Li, X. Y.
;
Liu, D. L.
;
Cai, W. P.
;
Qi, L. M.
;
Li, L. B.
;
Li, Y.
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
2D colloidal crystal
Au nanoshell
hydrogel
diffraction intensity
visualized sensor
PHOTONIC CRYSTAL HYDROGEL
PERIODIC MICRO/NANOSTRUCTURED ARRAYS
INVERSE-OPAL HYDROGELS
COLLOIDAL CRYSTALS
IONIC-STRENGTH
GLUCOSE SENSOR
SENSING MOTIF
TEMPLATES
FILM
Mg-Ti co-doping behavior of porous LiFePO4 microspheres for high-rate lithium-ion batteries
期刊论文
JOURNAL OF MATERIALS CHEMISTRY A, 2017
Tu, Jiguo
;
Wu, Kai
;
Tang, Hui
;
Zhou, Henghui
;
Jiao, Shuqiang
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
CARBOTHERMAL REDUCTION METHOD
ELECTROCHEMICAL PROPERTIES
CATHODE MATERIALS
SYNTHESIS TEMPERATURE
PHOSPHO-OLIVINES
SHELL STRUCTURE
IRON PHOSPHATE
PERFORMANCE
COMPOSITES
CAPACITY
Vehicle Emissions as an Important Urban Ammonia Source in the United States and China
期刊论文
ENVIRONMENTAL SCIENCE & TECHNOLOGY, 2017
Sun, Kang
;
Tao, Lei
;
Miller, David J.
;
Pan, Da
;
Golston, Levi M.
;
Zondlo, Mark A.
;
Griffin, Robert J.
;
Wallace, H. W.
;
Leong, Yu Jun
;
Yang, M. Melissa
;
Zhang, Yan
;
Mauzerall, Denise L.
;
Zhu, Tong
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2017/12/03
ON-ROAD MEASUREMENTS
HIGH-RESOLUTION
ATMOSPHERIC AMMONIA
PARTICULATE MATTER
CATALYTIC-REDUCTION
EXHAUST EMISSIONS
DIURNAL-VARIATION
DUTY VEHICLES
DIODE-LASER
NH3
Association of Ozone Exposure With Cardiorespiratory Pathophysiologic Mechanisms in Healthy Adults
期刊论文
JAMA INTERNAL MEDICINE, 2017
Day, Drew B.
;
Xiang, Jianbang
;
Mo, Jinhan
;
Li, Feng
;
Chung, Mingkei
;
Gong, Jicheng
;
Weschler, Charles J.
;
Ohman-Strickland, Pamela A.
;
Sundell, Jan
;
Weng, Wenguo
;
Zhang, Yinping
;
Zhang, Junfeng
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
LONG-TERM EXPOSURE
NITRIC-OXIDE SYNTHASE
AIR-POLLUTION
CARDIOVASCULAR-DISEASE
BLOOD-PRESSURE
YOUNG-ADULTS
P-SELECTIN
OXIDATIVE STRESS
VASCULAR DAMAGE
LUNG-CANCER
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