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VEGF Overexpression at Early Stages of Placental Development Leads to Expansion of the Spongiotrophoblast Layer andExcess sFlt1 Production – Relevance to Pathogenesis of Preeclampsia
会议论文
Systems Biology of Reproduction SSR 49th Annual Meeting, 美国圣地亚哥
作者:
BHOLA PRADHAN
;
XIUJUN FAN
;
SABITA DHAL
;
Susan Fisher
;
NIHAR NAYAK
收藏
  |  
浏览/下载:28/0
  |  
提交时间:2017/01/16
A study on the coupling coordination of demographic urbanization and urban land expansion in Shandong province
会议论文
22nd International Conference on Geoinformatics, Geoinformatics 2014, Kaohsiung, Taiwan, June 25, 2014 - June 27, 2014
作者:
Li, Qiuying(李秋颖)
收藏
  |  
浏览/下载:20/0
  |  
提交时间:2015/04/02
A Merging Approach for Urban Boundary Correction Acquired By Remote Sensing Images
会议论文
作者:
Zhang, P. L.
;
Shi, W. Z.
;
Wu, X. Y.
收藏
  |  
浏览/下载:1/0
  |  
提交时间:2019/12/05
urban expansion
urban boundary extraction
remote sensing detection
population distribution
boundary integration
更新世气候波动和海南岛和其邻近大陆变色树蜥(Calotes versicolor)的分化
会议论文
四川省动物学会第九次会员代表大会暨第十届学术研讨会, 中国四川成都, 2011-03-18
作者:
黄勇
;
郭宪光
;
蔡波
;
饶定齐
;
王跃招[*]
收藏
  |  
浏览/下载:26/0
  |  
提交时间:2017/04/28
历史动态
线粒体
变色树蜥
系统发育
种群结构
Structural change and spatial pattern of urbanization in Xinjiang
会议论文
2010 International Conference on Management and Service Science, Wuhan, China, 2010
Maimaitiming
;
Anwaer1
;
2
;
3
;
Zhang
;
Xiaolei1
;
Lei
;
Jun1
;
Cao
;
Huhua4
收藏
  |  
浏览/下载:15/0
  |  
提交时间:2011/08/23
GIS - Spatial patterns - Structural change - Urbanization - Xinjiang
Centrographic analysis of urban growth in Xinjiang during the last three decades
会议论文
2010 International Conference on Management and Service Science, Wuhan, China, 2010
Maimaitiming
;
Anwaer1
;
2
;
3
;
Xiaolei
;
Zhang1
;
Degang
;
Yang1
;
Cao
;
Huhua4
收藏
  |  
浏览/下载:20/0
  |  
提交时间:2011/08/23
Economics - Management science - Centrographic analysis - Geographical locations - New rural - Northern slope of Tianshan mountains - Socio-economic conditions - Socio-economics - Spatial pattern - Urban areas - Urban centers - Urban expansion - Urban growth - Urban population - Xinjiang
Grid transformation method of population data combining geographic factors and simulated township boundary adjustment
会议论文
Proceedings of SPIE-The International Society for Optical Engineering
Han J. F.
;
Li H. S.
;
Ma L. Q.
收藏
  |  
浏览/下载:15/0
  |  
提交时间:2012/06/30
gridded population
geographic factor
boundary simulation
Voronoi
areal interpolation
Land use dynamics and landscape change pattern in Hetao irrigation district, Inner Mongolia, China
会议论文
6th International Symposium on Digital Earth: Data Processing and Applications, Beijing, China, September 9, 2009 - September 12,2009
Zhang, Yinhui
;
Luo, Yi
;
Zhao, Wenwu
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  |  
浏览/下载:16/0
  |  
提交时间:2014/12/07
This study analyzed spatial and temporal changes in land use in an irrigation district covering an area of 1.7 million ha in Northern China by GIS analyses and also investigated changes in landscape pattern using the landscape structure analysis program FRAGSTATS over the study period from 1986 to 2000. The decreases in farmland and the increases in grassland area mainly resulted from the policy of grain for green and converting slope farmland into pasture from China government. In spite of the efforts to conserve the fragile ecosystem
the land degradation
including soil salinization and grassland degradation
was spreading rapidly. The area of alkali-saline land increased by 22493 ha and about 50555 ha of dense grassland degraded into mid-density grassland. In terms of landscape fragmentation
both farmland and dense grassland showed the tendency of increased fragmentation. Both adverse natural conditions and human activities are responsible for the land degradation expansion in Hetao irrigation district
but the root causes are increasing population pressure and irrational human activities
such as flooding irrigation method and over-grazing. To prevent land degradation from spreading
population control and improvement of the management are prerequisite approaches. 2010 SPIE.
Analysis on urban expansion and its driving forces of Tai'an from 1979 to 2005 based on RS and GIS techniques
会议论文
2010 18th International Conference on Geoinformatics, Geoinformatics 2010,, Beijing, China, June 18, 2010 - June 20,2010
Qiu, Jianzhuang
;
Yang, Wei
;
Gao, Zhihong
收藏
  |  
浏览/下载:15/0
  |  
提交时间:2014/12/07
Expansion
Decision trees
Economics
Heat flux
Landforms
Population statistics
Thermal pollution
Cultivated land change and its human driving forces based on RS and GIS in Fuzhou, China
会议论文
2009 International Conference on Environmental Science and Information Application Technology, Wuhan, China, 2009
Dewen
;
Wu1
;
2
;
Jinchuan
;
Huang3
;
Xiaolei
;
Zhang1
;
Hanying
;
Mao3
收藏
  |  
浏览/下载:23/0
  |  
提交时间:2011/08/23
Economics - Environmental engineering - Forestry - Human engineering - Land use - Linear regression - Rapid solidification - Remote sensing - China - Cultivated land change - Human driving forces - Multi-linear regression model - RS and GIS
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