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科研机构
北京大学 [8]
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期刊论文 [6]
其他 [2]
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2017 [1]
2015 [1]
2014 [1]
2013 [1]
2012 [1]
2011 [1]
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专题:北京大学
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Critical climate periods for grassland productivity on China's Loess Plateau
期刊论文
AGRICULTURAL AND FOREST METEOROLOGY, 2017
Guo, Liang
;
Cheng, Jimin
;
Luedeling, Eike
;
Koerner, Sally E.
;
He, Jin-Sheng
;
Xu, Jianchu
;
Gang, Chengcheng
;
Li, Wei
;
Luo, Ruimin
;
Peng, Changhui
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/03
Aboveground net primary productivity (ANPP)
Partial least squares regression (PLS)
Precipitation
Temperate grassland
Temperature
Timing of climate variability
NET PRIMARY PRODUCTIVITY
PRECIPITATION VARIABILITY
ABOVEGROUND PRODUCTIVITY
SEASONAL PRECIPITATION
INTERANNUAL VARIATION
RAINFALL VARIABILITY
TEMPERATE GRASSLAND
TEMPORAL VARIATION
MESIC GRASSLAND
NORTH-AMERICAN
Concentrations and origins of nitro-polycyclic aromatic hydrocarbons and oxy-polycyclic aromatic hydrocarbons in ambient air in urban and rural areas in northern China
期刊论文
environmental pollution, 2015
Li, Wei
;
Wang, Chen
;
Shen, Huizhong
;
Su, Shu
;
Shen, Guofeng
;
Huang, Ye
;
Zhang, Yanyan
;
Chen, Yuanchen
;
Chen, Han
;
Lin, Nan
;
Zhuo, Shaojie
;
Zhong, Qirui
;
Wang, Xilong
;
Liu, Junfeng
;
Li, Bengang
;
Liu, Wenxin
;
Tao, Shu
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2015/11/10
Nitro-PAHs
Oxy-PAHs
Northern China
Spatial distribution
Temporal variation
RADICAL-INITIATED REACTIONS
LUNG-CANCER RISK
GAS-PHASE OH
INHALATION EXPOSURE
PARTICULATE MATTER
EMISSION FACTORS
OXYGENATED PAHS
POLLUTION
PRODUCTS
TAIYUAN
The adsorption behavior of U(VI) on granite
期刊论文
environmental science processes impacts, 2014
Fan, Q. H.
;
Hao, L. M.
;
Wang, C. L.
;
Zheng, Z.
;
Liu, C. L.
;
Wu, W. S.
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2015/11/10
IONIC-STRENGTH
BEISHAN GRANITE
HUMIC-ACID
AQUEOUS-SOLUTION
FULVIC-ACID
SORPTION
PH
ATTAPULGITE
TEMPERATURE
URANIUM(VI)
Rare Earth and Rare Metal Elements Mobility and Mineralization During Magmatic and Fluid Evolution in Alkaline Granite System: Evidence from Fluid and Melt Inclusions in Baerzhe Granite, China
期刊论文
resource geology, 2013
Sun, Yi
;
Lai, Yong
;
Chen, Jing
;
Shu, Qihai
;
Yan, Cong
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2015/11/10
alkaline granite
Baerzhe Be-Nb-Zr-REE deposit
fluid overprint
fluid separation
Great Hinggan Mountains
melt and fluid inclusions
PLASMA-MASS-SPECTROMETRY
SUPER-LARGE RARE
ABLATION ICP-MS
REE DEPOSIT
HYDROTHERMAL TRANSITION
MULTIELEMENT ANALYSIS
FLUORINE-RICH
NE CHINA
NB
ZR
The microstructure evolution and its effect on the mechanical properties of a hot-corrosion resistant Ni-based superalloy during long-term thermal exposure
期刊论文
materials design, 2012
Wang, Jian
;
Zhou, Lanzhang
;
Sheng, Liyuan
;
Guo, Jianting
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  |  
浏览/下载:3/0
  |  
提交时间:2015/11/12
Ferrous metals and alloys
Heat treatments
Microstructure
SINGLE-CRYSTAL
PHASE INSTABILITIES
ADDITIONS
ALLOY
DISTRIBUTION AND EVOLUTION OF ZIRCONIUM MINERALIZATION IN PERALKALINE GRANITES AND ASSOCIATED PEGMATITES OF THE KHAN BOGD COMPLEX, SOUTHERN MONGOLIA
期刊论文
canadian mineralogist, 2011
Kynicky, Jindrich
;
Chakhmouradian, Anton R.
;
Xu, Cheng
;
Krmicek, Lukas
;
Galiova, Michaela
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2015/11/16
peralkaline granite
granitic pegmatite
Zr mineralization
elpidite
armstrongite
gittinsite
zircon
Khan Bogd
Gobi desert
Mongolia
FIELD-STRENGTH ELEMENTS
A-TYPE GRANITES
STRANGE LAKE
QUEBEC-LABRADOR
HYDROTHERMAL PROCESSES
RARE-EARTH
CHEMICAL EVOLUTION
BEARING MINERALS
SILICATE-GLASSES
RICH EUDIALYTE
氢氧化物共沉淀法制备LiMn_(0.45)Ni_(0.45)Co_(0.1)O_2正极材料的反应条件
其他
2007-01-01
代克化
;
王银杰
;
冯华君
;
谢燕婷
;
其鲁
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2015/10/24
锂离子二次电池
正极材料
共沉淀法
氟掺杂
LiMn0.5-xNi0.5-xCo2xO2
lithium ion secondary battery
cathode material
co-precipitation
LiMn0.5-xNi0.5-xCo2xO2
F doping
The chemical characteristics of springtime precipitation in Lushan Mountains, East China
其他
1998-01-01
Zhang, YH
;
Qin, Y
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2015/11/15
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