Within the 53 national space agencies, 11 African countries have already launched a total of 36 satellites into orbit, and additional five are expected by the first quarter of 2021; another five by 2025; thus, amounting to 46 satellites not foreseen ten years ago. In addition, there are now...
000 at the end of the last glaciation (Fig.2). Although there was some individual variation in the amplitude of these trajectories, the declines were consistent among all individuals of the three populations (Supplementary Figs.3and4). However, our analyses also revealed one important difference ...
On the basis of the status quo of Jinyang Grand Buddha in Taiyuan, some factors such as topography, geological structures, climate, hydrology, and engineer... J Sun,X Tian,X Guan,... - 《Earth Science Frontiers》 被引量: 19发表: 2008年 Change and conserve : conservation compatibility of...
The Midcontinent Rift in the Lake Superior region of North America is one of the best preserved examples of an aborted Precambrian intercontinental rift, o... Heaman,M L.,Easton,... - 《Canadian Journal of Earth Sciences》 被引量: 43发表: 2007年 Aspects of ecological development in managed...
Rheology of phonolitic magmas - the case of the Erebus lava lake Long-lived active lava lakes are comparatively rar Oppenheimer,Clive,Le,... - 《Earth & Planetary Science Letters A Letter Journal Devoted to the Development in Time of the Earth & Planetary System》 被引量: 20发表: 2015年...
Tropical forests cover approximately 7% of the earth's surface.They,however,are of global importance since they house one-half of all species,approximately... C Qi,F Cao,S Cao 被引量: 3发表: 2010年 Three places equilibrium method for implementing land resources utilization This invention disclos...
This book provides a comprehensive and balanced assessment of the state of the Earth and its inhabitants at the close of the twentieth century. More than f... T Cate,JL Simon - 《Cambridge Massachusetts Blackwell》 被引量: 257发表: 1996年 Protected Areas in Chile: History, Current Status, ...
A high inclination (74 degrees), low earth orbit (650 km) allows coverage of tropical, mid-latitude and polar regions. This paper describes the status of the ACE-FTS instrument flight model built by ABB-Bomem inc. Overview of the design and manufacturing is presented as well as performance ...
Guo Y; Lu G Z.Current status and some perspectives of rare earth catalytic materials.Journal of Catalysis.2014.287- G Yun,G Lu - 《Journal of the Chinese Rare Earth Society》 被引量: 46发表: 2007年 稀土催化材料的应用及研究进展 Current status and perspectives of rare earth catalytic materials...
With regard to urban water management, the research focused on the development of a rainfall runoff model for the composite catchment area of the Marimba ... R Hranova,B Gumbo,J Klein,... - 《Physics & Chemistry of the Earth》 被引量: 69发表: 2002年 Analysis of effects of climate chan...