Based on considering several technical schemes' advantages and disadvantages, including the use of a proxy server, VPN and Sun ONE Portal, the author emphasizes the application of the SSL VPN technology to off-campus visit system for sichuan university library, and then summarizes the experiences ...
Department of Geosciences, Penn State University, University Park, Pennsylvania 16802, USA, Eric Kirby Corresponding author Correspondence to Tom Parsons. Supplementary information Supplementary Information 1 The file contains Supplementary Notes and Supplementary Figures S1-S2 with Legends. (PDF 153 kb) ...
Spatial-temporal cluster analysis identified one most likely cluster and fifteen secondary clusters in 2004. The most likely cluster included 27 counties, of which the cluster center was (26.40N, 101.64E) and the cluster radius was 328.39km. The cluster time was April to Setemper in 2004 and ...