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A triple helix model of medical innovation: supply, demand, and technological capabilities in terms of medical subject headings. 智库出版物
2016
作者:  Petersen, Alexander M;  Rotolo, Daniele;  Leydesdorff, Loet
Adobe PDF(5950Kb)  |  收藏  |  浏览/下载:5/0  |  提交时间:2020/06/19
innovation model  Triple helix  uncertainty  redundancy  synergy  mutual informa- tion  medical innovation  Medical Subject Headings  MEDLINE/PubMed  
Mapping global cropland field size. 智库出版物
2015
作者:  Fritz S;  See L;  McCallum I;  Bun A;  Moltchanova E;  Dürauer M;  Perger C;  Havlik P
Adobe PDF(1554Kb)  |  收藏  |  浏览/下载:1/0  |  提交时间:2019/06/18
agricultural intensity, cropland, data fusion, field size, land cover, synergy map