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Design of quasi-axisymmetric stellarators with variable-thickness perpendicular permanent magnets based on a two-step magnet design strategy
期刊论文
NUCLEAR FUSION, 2021, 卷号: 61
作者:
Lu, Z. Y.
;
Xu, G. S.
;
Chen, D. H.
;
Chen, L.
;
Zhang, X. Y.
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  |  
浏览/下载:36/0
  |  
提交时间:2021/11/01
stellarator
permanent magnet
two-step magnet design strategy
local compensation method
global fine-tuning method
Design?of quasi-axisymmetric stellarators with variable-thickness perpendicular permanent magnets based on a two-step magnet design?strategy
期刊论文
Nuclear Fusion, 2021, 卷号: 61
作者:
Lu,Z.Y.
;
Xu,G.S.
;
Chen,D.H.
;
Chen,L.
;
Zhang,X.Y.
收藏
  |  
浏览/下载:23/0
  |  
提交时间:2021/11/01
stellarator
permanent magnet
two-step magnet design ?strategy
local compensation method
global fine-tuning method
Quantitative contributions of climate change and human activities to vegetation changes over multiple time scales on the Loess Plateau
期刊论文
SCIENCE OF THE TOTAL ENVIRONMENT, 2021, 卷号: 755, 页码: 14
作者:
Shi, Shangyu
;
Yu, Jingjie
;
Wang, Fei
;
Wang, Ping
;
Zhang, Yichi
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  |  
浏览/下载:31/0
  |  
提交时间:2021/03/15
Vegetation
Climate change
Human activities
Multiple time scales
Normalized difference vegetation index
Standardized precipitation evapotranspiration index
Assessment of drought impacts on crop yields across Nepal during 1987-2017
期刊论文
METEOROLOGICAL APPLICATIONS, 2020, 卷号: 27, 期号: 5, 页码: 18
作者:
Hamal, Kalpana
;
Sharma, Shankar
;
Khadka, Nitesh
;
Haile, Gebremedhin Gebremeskel
;
Joshi, Bharat Badayar
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  |  
浏览/下载:8/0
  |  
提交时间:2021/03/16
agriculture
drought
Nepal
precipitation
SPEI
SYRS
Systematic comparison of five machine-learning models in classification and interpolation of soil particle size fractions using different transformed data
期刊论文
HYDROLOGY AND EARTH SYSTEM SCIENCES, 2020, 卷号: 24, 期号: 5, 页码: 2505-2526
作者:
Zhang, Mo
;
Shi, Wenjiao
;
Xu, Ziwei
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  |  
浏览/下载:9/0
  |  
提交时间:2021/03/23
Comparison of additive and isometric log-ratio transformations combined with machine learning and regression kriging models for mapping soil particle size fractions
期刊论文
GEODERMA, 2020, 卷号: 365, 页码: 16
作者:
Wang, Zong
;
Shi, Wenjiao
;
Zhou, Wei
;
Li, Xiaoyan
;
Yue, Tianxiang
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  |  
浏览/下载:7/0
  |  
提交时间:2020/05/19
Soil particle size fractions
Log-ratio transformation
Boosted regression tree
Random forest
Regression kriging
Assessment of drought impacts on crop yields across Nepal during 1987–2017
期刊论文
Meteorological Applications, 2020, 卷号: 27, 期号: 5, 页码: e1950
作者:
Hamal, Kalpana
;
Sharma, Shankar
;
Khadka, Nitesh
;
Haile, Gebremedhin Gebremeskel
;
Joshi, Bharat Badayar
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2020/11/18
Agricultural robots
Crops
Soil moisture
Robust variogram estimation combined with isometric log-ratio transformation for improved accuracy of soil particle-size fraction mapping
期刊论文
GEODERMA, 2018, 卷号: 324, 页码: 56-66
作者:
Wang, Zong
;
Shi, Wenjiao
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  |  
浏览/下载:42/0
  |  
提交时间:2019/05/23
Soil particle-size fractions
Spatial interpolation
Log-ratio transformation
Log-ratio cokriging
Robust estimator
Mapping soil particle-size fractions: A comparison of compositional kriging and log-ratio kriging
期刊论文
JOURNAL OF HYDROLOGY, 2017, 卷号: 546, 页码: 526-541
作者:
Wang, Zong
;
Shi, Wenjiao
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  |  
浏览/下载:10/0
  |  
提交时间:2019/09/25
Compositional data
Spatial interpolation
Compositional kriging
Log-ratio transformation
Geostatistics
Soil particle-size fractions
Research on M Dwarf Sub-Classification Based on the Measurement of Residual Distribution
期刊论文
SPECTROSCOPY AND SPECTRAL ANALYSIS, 2016, 卷号: 36, 期号: 7, 页码: 2279-2283
作者:
Kang Chao
;
Pan Jing-chang
;
Yi Zhen-ping
;
Wei Peng
;
Jiang Bin
收藏
  |  
浏览/下载:23/0
  |  
提交时间:2016/10/27
Residual distribution
Distance measurement
Root-mean-square error
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