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科研机构
北京大学 [1094]
内容类型
期刊论文 [813]
其他 [276]
会议论文 [5]
发表日期
2017 [95]
2016 [111]
2015 [119]
2014 [115]
2013 [102]
2012 [71]
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共1094条,第1-10条
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专题:北京大学
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Decline in Chinese lake phosphorus concentration accompanied by shift in sources since 2006
期刊论文
NATURE GEOSCIENCE, 2017
Tong, Yindong
;
Zhang, Wei
;
Wang, Xuejun
;
Couture, Raoul-Marie
;
Larssen, Thorjorn
;
Zhao, Yue
;
Li, Jing
;
Liang, Huijiao
;
Liu, Xueyan
;
Bu, Xiaoge
;
He, Wei
;
Zhang, Qianggong
;
Lin, Yan
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
CYCLE IMPACT ASSESSMENT
FRESH-WATER
EUTROPHICATION
PHYTOPLANKTON
ECOSYSTEMS
EMISSIONS
POLLUTION
PARADIGM
NITROGEN
PLATEAU
Temperature increase reduces global yields of major crops in four independent estimates
期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2017
Zhao, Chuang
;
Liu, Bing
;
Piao, Shilong
;
Wang, Xuhui
;
Lobell, David B.
;
Huang, Yao
;
Huang, Mengtian
;
Yao, Yitong
;
Bassu, Simona
;
Ciais, Philippe
;
Durand, Jean-Louis
;
Elliott, Joshua
;
Ewert, Frank
;
Janssens, Ivan A.
;
Li, Tao
;
Lin, Erda
;
Liu, Qiang
;
Martre, Pierre
;
Mueller, Christoph
;
Peng, Shushi
;
Penuelas, Josep
;
Ruane, Alex C.
;
Wallach, Daniel
;
Wang, Tao
;
Wu, Donghai
;
Liu, Zhuo
;
Zhu, Yan
;
Zhu, Zaichun
;
Asseng, Senthold
收藏
  |  
浏览/下载:14/0
  |  
提交时间:2017/12/03
climate change impact
global food security
major food crops
temperature increase
yield
CLIMATE-CHANGE
WHEAT YIELDS
IMPACTS
GROWTH
RANGE
CHINA
FOOD
Impacts of sanitation improvement on reduction of nitrogen discharges entering the environment from human excreta in China
期刊论文
SCIENCE OF THE TOTAL ENVIRONMENT, 2017
Tong Yindong
;
Bu Xiaoge
;
Chen Cen
;
Yang Xi
;
Lu Yiren
;
Liang Huijiao
;
Liu Maodian
;
Lin Huiming
;
Zhang Haoran
;
Lin Yan
;
Zhou Feng
;
Zhao Shen
;
Wu Tianyu
;
Mao Guozhu
;
Zhang Wei
;
Wang Xuejun
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
Nitrogen
Sanitation improvement
Human excreta
Urban and rural
China
MIDDLE-INCOME COUNTRIES
GROUNDWATER QUALITY
EUTROPHICATION
PHOSPHORUS
LAKE
POLLUTION
DIARRHEA
TECHNOLOGIES
ECOSYSTEMS
MARINE
Pore characteristics differences between clay-rich and clay-poor shales of the Lower Cambrian Niutitang Formation in the Northern Guizhou area, and insights into shale gas storage mechanisms
期刊论文
INTERNATIONAL JOURNAL OF COAL GEOLOGY, 2017
Wu, Chenjun
;
Tuo, Jincai
;
Zhang, Leifu
;
Zhang, Mingfeng
;
Li, Jing
;
Liu, Yan
;
Qian, Yu
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
Niutitang Formation
Organic-rich shales
Clay content
Biogenic quartz
Pore characteristics
NORTHEASTERN BRITISH-COLUMBIA
MISSISSIPPIAN BARNETT SHALE
SOUTHERN SICHUAN BASIN
UPPER YANGTZE PLATFORM
FORT-WORTH BASIN
ORGANIC-MATTER
GEOCHEMICAL CHARACTERISTICS
BLACK SHALES
SOUTHWESTERN CHINA
SEDIMENTARY BASIN
Geochemistry and zircon U-Pb-Hf isotopes of the late Neoarchean granodiorite-monzogranite-quartz syenite intrusions in the Northern Liaoning Block, North China Craton: Petrogenesis and implications for geodynamic processes
期刊论文
PRECAMBRIAN RESEARCH, 2017
Wang, Kang
;
Liu, Shuwen
;
Wang, Maojiang
;
Yan, Ming
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
Granodiorite-monzogranite-quartz syenite
Northern Liaoning Block
Late Neoarchean
Active continental margin
Lateral growth
North China Craton
ULTRAHIGH-TEMPERATURE METAMORPHISM
SOUTHERN JILIN PROVINCE
WHOLE-ROCK GEOCHEMISTRY
GRANITE-GREENSTONE BELT
ARCHEAN CRUSTAL GROWTH
EASTERN HEBEI
LU-HF
CONTINENTAL-CRUST
CENTRAL ZONE
JUVENILE MAGMATISM
Stacking patterns and growth models of multiscopic structures within Cambrian Series 3 thrombolites at the Jiulongshan section, Shandong Province, northern China
期刊论文
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY, 2017
Yan, Zhen
;
Liu, Jianbo
;
Ezaki, Yoichi
;
Adachi, Natsuko
;
Du, Shengxian
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
Growth processes
Environmental controls
Epiphyton
Hedstroemia
Changhia Formation
ORDOVICIAN
PLATFORM
MICROBIALITE DEVELOPMENT DURING THE PROTRACTED INHIBITION OF SKELETAL-DOMINATED REEFS IN THE ZHANGXIA FORMATION (CAMBRIAN SERIES 3) IN SHANDONG PROVINCE, NORTH CHINA
期刊论文
PALAIOS, 2017
Ezaki, Yoichi
;
Liu, Jianbo
;
Adachi, Natsuko
;
Yan, Zhen
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
SILICEOUS SPONGE
METAZOAN REEFS
SOUTH CHINA
STROMATOLITES
EXTINCTION
PLATFORM
CALCIFICATION
THROMBOLITES
LIMESTONES
MICROBES
Large southward motion and clockwise rotation of Indochina throughout the Mesozoic: Paleomagnetic and detrital zircon U-Pb geochronological constraints
期刊论文
EARTH AND PLANETARY SCIENCE LETTERS, 2017
Yan, Yonggang
;
Huang, Baochun
;
Zhao, Jie
;
Zhang, Donghai
;
Liu, Xiaohui
;
Charusiri, Punya
;
Veeravinantanakul, Apivut
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
paleomagnetism
U-Pb geochronology
Indochina
Mesozoic
Tectonics
POLAR WANDER PATH
SONGPAN-GANZI COMPLEX
RIVER SHEAR ZONE
TECTONIC IMPLICATIONS
NORTHERN THAILAND
KHORAT GROUP
FOLD TEST
SE ASIA
GEOLOGICAL EVOLUTION
INDOSINIAN OROGENY
A novel bundle adjustment method with additional ground control point constraint
期刊论文
REMOTE SENSING LETTERS, 2017
Yan, Lei
;
Chen, Rui
;
Sun, Huabo
;
Sun, Yanbiao
;
Liu, Lei
;
Wang, Qiang
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
REGISTRATION
ALGORITHM
IMAGES
Pathological study of rheumatic and non-rheumatic heart valvular calcification
期刊论文
中国循环杂志, 2017
Kang Li
;
Jun Du
;
Zhongqing Yang
;
Yuan Li
;
Yan Zhang
;
Anhuai Lu
;
Deping Liu
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
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