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图书馆连续收到4个通知，分别是ACS电子期刊和Scitation平台的警告和IP封禁邮件，有4个IP地址在不同时段有批量下载行为已遭到封禁。
再次提醒各位读者合理利用学校购买的电子资源，我们已经与学校信息中心联系，了解批量下载相应读者后，按出版社要求和图书馆规定进行处理，在此之前，其他读者在利用这些地址访问ACS或Scitaion平台的资源的时候也无法下载全文。
相关链接：http://58.192.117.2/DzzyNews.aspx?id=33（电子资源利用公告）
http://58.192.117.2/GzzdShow.aspx?Id=65（规章制度）
1、This is to notify you that IP address 121.229.2.147 associated with your organization, SOUTHEAST UNIV, has been blocked from accessing content on the ACS Publications website due to an excessive session violation. The unauth orized activity that resulted in this IP block occurred at Sunday, January 1 0, 2010 2:25:52 PM UTC. Unfortunately, valid users from your institution might also be blocked if they use the same IP address, or if the account is set up using a proxy IP add ress.
2、This is to notify you that IP address 121.248.4.195 associated with your organization, SOUTHEAST UNIV, has been blocked from accessing content on the ACS Publications website due to an excessive session violation. The unauthorized activity that resulted in this IP block occurred at Tuesday, January 5, 2010 2:06:33 AM UTC. Unfortunately, valid users from your institution might also be blocked if they use the same IP address, or if the account is set up using a proxy IP address.
3、However, recent usage made of this service from your institution exceeds what is regarded as normal and reasonable. This activity was isolated to one host identified at IP address 121.248.5.255 on January 9, 2010. Many of the requests were sequential and systematic--that is, 64 Article requests in Journal of Materials in Civil Engineering, 151 Article requests in Journal of Structural Engineering in addition to 50 requests from various journals were downloaded consecutively and within short intervals. Access from the IP range 121.248.5.255 to publications of American Society of Civil Engineers hosted on Scitation has been temporarily suspended.
4、However, recent usage made of this service from your institution exceeds what is regarded as normal and reasonable. This activity was isolated to one host identified at IP address 121.248.14.131 on January 8, 2010. Many of the requests were sequential and systematic--that is, 243 Article requests in Journal of Structural Engineering in addition to 42 requests from various journals were downloaded consecutively and within short intervals. Access from the IP range 121.248.14.131 to publications of American Society of Civil Engineers hosted on Scitation has been temporarily suspended.