Evolution of the number of total citation per document and external citation per document (i.e. journal self-citations removed) received by a journal's published documents during the three previous years. External citations are calculated by subtracting the number of self-citations from the total...
汤森路透每年出版一本《期刊引用报告》(Journal Citation Reports,简称JCR)。JCR对86000多种SCI期刊的影响因子(Impact Factor)等指数加以统计。JCR将收录期刊分为176个不同学科类别在JCR的Journal Ranking中,主要参考当年IF,最终每个分区的期刊数量是均分的。
A framework for assessing the impact of land use policy on community exposure to air toxics Our research focuses on the linkage between land use planning policy and the spatial pattern of exposure to air toxics emissions. Our objective is to devel... MR Willis,AA Keller - 《Journal of Enviro...
B Zielinska,D Campbell,V Samburova - 《Journal of the Air & Waste Management Association》 被引量: 24发表: 2014年 Air Toxic Emissions from Snowmobiles in Yellowstone National Park these air toxics were (i) recent, (ii) persistent throughout the region, and (iii) consistent with the two-st...
None - 《Canadian Veterinary Journal》 被引量: 103发表: 2002年 Annual report on evaluation findings 2001 Recent studies have shown that passive smoking is a risk factor for ischemic heart disease and may be associated with vascular endothelial dysfunction. The... IE Unit - 《Jama》 被引量: ...