首页 | 本学科首页   官方微博 | 高级检索  
文章检索
  按 检索   检索词:      
出版年份:   被引次数:   他引次数: 提示:输入*表示无穷大
  收费全文   51篇
  免费   3篇
测绘学   1篇
大气科学   5篇
地球物理   13篇
地质学   20篇
海洋学   8篇
天文学   1篇
自然地理   6篇
  2024年   1篇
  2023年   1篇
  2020年   1篇
  2019年   2篇
  2017年   3篇
  2016年   2篇
  2015年   4篇
  2014年   3篇
  2013年   2篇
  2012年   3篇
  2011年   3篇
  2010年   3篇
  2009年   1篇
  2007年   4篇
  2006年   1篇
  2005年   1篇
  2004年   2篇
  2001年   2篇
  1999年   1篇
  1998年   1篇
  1994年   1篇
  1990年   2篇
  1989年   1篇
  1988年   2篇
  1987年   1篇
  1986年   1篇
  1985年   1篇
  1984年   1篇
  1982年   1篇
  1981年   2篇
排序方式: 共有54条查询结果,搜索用时 15 毫秒
51.
Jeanne Kay Guelke 《Area》2007,39(3):268-277
This study of daily experiences of scale focuses on activity patterns recorded in the journal of a Mormon woman living in Pine Valley, Utah c.1890–1920. The household as 'private' domestic space was weakly developed, and both the home and village were sites of community activity. Lofland's concept of 'parochial space' distinguishes the spaces used by one's social and kinship networks vs areas occupied by strangers. In Pine Valley's isolated situation, large-scale economic and political involvement appeared limited. More significant for Mormon women was a transcendent religious ideology that furnished simultaneity and integration of scales.  相似文献   
52.
Dominant groups tend to construct the meaning of places to justify and sustain their ideology and orthodoxy in order to solidify power and to maintain their control over others. New outsider groups whose ideology disrupts the established order and sovereignty of the dominant group can be labeled transgressive ( Sibley 1995; Cresswell 1996 ). Transgressions of hegemonic spaces force dominant groups to reexamine themselves and to reaffirm or to modify their position. This concept of transgression is used to examine the controversy surrounding the building of the Brigham Young University Jerusalem Center in the mid‐1980s in Jerusalem. The public outcry among some Israelis over the building of this educational edifice concerned the potential use of the Jerusalem Center as a focal point for Mormon (Latter‐day Saints) proselytizing efforts. We examine the way the Jerusalem Center was viewed and depicted by its opponents, suggesting how basic geographic concepts such as scale and site further refine the concept of spatial transgression for buildings and urban redevelopment.  相似文献   
53.
Incorporating prior geological knowledge in geophysical process models often meets practical meshing challenges and raises the question of how much detail is to be included in the geometric model. We introduce a strategy to automatically repair and simplify geological maps, geological cross-sections and the associated meshes while preserving elementary consistency rules. To identify features breaking validity and/or the thin features potentially problematic when generating a mesh, we associate an exclusion zone with each model feature (horizon, fault). When these zones overlap, both the connectivity and the geometry of the geological layers are automatically modified. The output model enforces specific practical quality criteria on the model topology and geometry that facilitates the generation of a mesh with lower bounds on minimum angles and minimum local entity sizes. Our strategy is demonstrated on an invalid geological cross-section from a real-case study in the Lorraine coal basin. We further explore the impacts of the model modifications on wave propagation simulation. We show that the differences on the seismograms due to model simplifications are relatively small if the magnitude of simplifications is adapted to the physical problem parameters.  相似文献   
54.
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号