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科研机构
北京大学 [77]
内容类型
期刊论文 [73]
其他 [4]
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2017 [3]
2016 [7]
2015 [6]
2014 [5]
2013 [8]
2012 [8]
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专题:北京大学
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Polycyclic aromatic hydrocarbons in ambient air, surface soil and wheat grain near a large steel-smelting manufacturer in northern China
期刊论文
JOURNAL OF ENVIRONMENTAL SCIENCES, 2017
Liu, Weijian
;
Wang, Yilong
;
Chen, Yuanchen
;
Tao, Shu
;
Liu, Wenxin
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
PAHs
Ambient air
Surface soil
Wheat grain
Steel-smelting activity
SOURCE APPORTIONMENT
SEASONAL-VARIATION
DIAGNOSTIC RATIOS
ORGANIC-COMPOUNDS
EMISSION SOURCES
PINE NEEDLES
PADDY FIELD
URBAN AIR
PAHS
PLAIN
Exposure assessment of PCDD/Fs for the population living in the vicinity of municipal waste incinerator: Additional exposure via local vegetable consumption
期刊论文
ENVIRONMENTAL POLLUTION, 2017
Ben, Yujie
;
Li, Tong
;
Wan, Yi
;
Dong, Zhaomin
;
Hu, Jianying
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
Dioxin
Emission
Air
Vegetation
Local foods
Human exposure
DIBENZO-P-DIOXINS
HEALTH-RISK ASSESSMENT
DIETARY-INTAKE
PINE NEEDLES
ENVIRONMENTAL SURVEILLANCE
POLYCHLORINATED-BIPHENYLS
PRONOUNCED REDUCTIONS
CONGENER PROFILES
LONG-TERM
EMISSIONS
Morphology, composition, and mixing state of primary particles from combustion sources - crop residue, wood, and solid waste
期刊论文
SCIENTIFIC REPORTS, 2017
Liu, Lei
;
Kong, Shaofei
;
Zhang, Yinxiao
;
Wang, Yuanyuan
;
Xu, Liang
;
Yan, Qin
;
Lingaswamy, A. P.
;
Shi, Zongbo
;
Lv, Senlin
;
Niu, Hongya
;
Shao, Longyi
;
Hu, Min
;
Zhang, Daizhou
;
Chen, Jianmin
;
Zhang, Xiaoye
;
Li, Weijun
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
PRINTED-CIRCUIT BOARDS
PARTICULATE MATTER
EMISSION INVENTORY
ATMOSPHERIC EMISSIONS
SIZE DISTRIBUTIONS
MASS-SPECTROMETRY
SOUTHERN AFRICA
SOOT FORMATION
HEAVY-METALS
TRACE GAS
云南松混交林火烧迹地更新早期草本层物种多样性的空间格局
期刊论文
植物生态学报, 2016
韩杰
;
应凌霄
;
李贵祥
;
沈泽昊
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
火后更新
草本多样性
物种构成
火前植被
地形
火烧强度
post-fire regeneration
herb diversity
species composition
pre-fire vegetation
topography
fire severity
Seasonality, Rather than Nutrient Addition or Vegetation Types, Influenced Short-Term Temperature Sensitivity of Soil Organic Carbon Decomposition
期刊论文
PLOS ONE, 2016
Qian, Yu-Qi
;
He, Feng-Peng
;
Wang, Wei
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
MICROBIAL COMMUNITY COMPOSITION
CLIMATE-CHANGE
FOREST SOILS
PHOSPHORUS LIMITATION
MATTER DECOMPOSITION
NITROGEN LIMITATION
ROOT RESPIRATION
N FERTILIZATION
TROPICAL FOREST
TUNDRA SOILS
Age-Related Modulation of the Nitrogen Resorption Efficiency Response to Growth Requirements and Soil Nitrogen Availability in a Temperate Pine Plantation
期刊论文
ECOSYSTEMS, 2016
Sun, Zhenzhong
;
Liu, Lingli
;
Peng, Shushi
;
Penuelas, Josep
;
Zeng, Hui
;
Piao, Shilong
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/03
nitrogen resorption
green leaves
senesced leaves
nitrogen requirement
nitrogen deposition
stand age
plant-available nitrogen
annual stand biomass production
ASPEN POPULUS-TREMULOIDES
LEAF-LITTER DECOMPOSITION
NUTRIENT RESORPTION
STAND AGE
FOREST GROWTH
DYNAMICS
LEAVES
RETRANSLOCATION
SEEDLINGS
PATTERNS
Effects of litter quality and climate change along an elevational gradient on litter decomposition of subalpine forests, Eastern Tibetan Plateau, China
期刊论文
JOURNAL OF FORESTRY RESEARCH, 2016
Xu, Zhenfeng
;
Zhu, Jianxiao
;
Wu, Fuzhong
;
Liu, Yang
;
Tan, Bo
;
Yang, Wanqin
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
Alpine forest
Elevational gradient
Freezethaw
Global warming
Mass losses
FREEZE-THAW CYCLES
LEAF-LITTER
LOBLOLLY-PINE
WEST SICHUAN
COLD BIOMES
SNOW COVER
FIR FOREST
SOIL
RATES
RESPONSES
Impacts of fire severity and post-fire reforestation on carbon pools in boreal larch forests in Northeast China
期刊论文
JOURNAL OF PLANT ECOLOGY, 2016
Hu, Xueyang
;
Zhu, Jianxiao
;
Wang, Chuankuan
;
Zheng, Tianli
;
Wu, Qiqian
;
Yao, Hui
;
Fang, Jingyun
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/03
carbon budget
wildfire
fire severity
Larix gmelinii
reforestation
COARSE WOODY DEBRIS
NET PRIMARY PRODUCTION
LAND-USE CHANGE
PONDEROSA PINE
PRIMARY PRODUCTIVITY
TEMPERATE FOREST
RAIN-FOREST
STORAGE
ECOSYSTEMS
CLIMATE
Estimation of Forest Topsoil Properties Using Airborne LiDAR-Derived Intensity and Topographic Factors
期刊论文
REMOTE SENSING, 2016
Li, Chao
;
Xu, Yanli
;
Liu, Zhaogang
;
Tao, Shengli
;
Li, Fengri
;
Fang, Jingyun
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/04
LiDAR
intensity
forest topsoil properties
multi-scale topographic factors
INFRARED REFLECTANCE SPECTROSCOPY
SOIL ORGANIC-CARBON
RADIOMETRIC CORRECTION
AGRICULTURAL SOILS
TERRAIN ATTRIBUTES
SPATIAL PREDICTION
CLASSIFICATION
INFORMATION
CALIBRATION
VARIABLES
Tree species classification based on explicit tree structure feature parameters derived from static terrestrial laser scanning data
期刊论文
AGRICULTURAL AND FOREST METEOROLOGY, 2016
Lin, Yi
;
Herold, Martin
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
Tree species classification
Static terrestrial laser scanning (TLS)
Explicit tree structure feature parameters
Support vector machine (SVM) classifier
Leave-one-out-for-cross-validation (LOOCV)
SUPPORT VECTOR MACHINES
LIDAR DATA
MULTISPECTRAL IMAGERY
TEMPERATE FOREST
STANDING TREES
AIRBORNE LIDAR
TOPOGRAPHY
PROFILES
BIOMASS
FUSION
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