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浏览/检索结果: 共3条，第1-3条 帮助 已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择发表日期升序发表日期降序作者升序作者降序提交时间升序提交时间降序题名升序题名降序 Research on user needs for mobile information services in Chinese university libraries Comparison between existing user and potential users 期刊论文 ELECTRONIC LIBRARY, 2016, 卷号: 34, 期号: 4 作者:  Zhao, Yang;  Deng, Shengli;  Gao, Ting;  Zhou, Ruoxin 收藏  |  浏览/下载：2/0  |  提交时间：2019/12/05 Demand differences  Existing users  Library mobile information services  Potential users  Service need rate   Research on the Recycling Question of Electronics Manufacturers implementing EPR Based on Differences in consumer demand 会议论文 International Forum on Mechanical and Material Engineering (IFMME 2013), JUN 13-14, 2013 作者:  Kong Zhen-huan;  Wang Yu-yan 收藏  |  浏览/下载：3/0  |  提交时间：2019/12/31 Extended Producer Responsibility  Differences in consumer demand  electronics manufacturers   The effect of carbon tax on per capita CO2 emissions 期刊论文 http://dx.doi.org/10.1016/j.enpol.2011.05.050, 2011 Lin, Boqiang; Li, Xuehui; 林伯强 收藏  |  浏览/下载：3/0  |  提交时间：2015/07/22 PANEL-DATA  DIOXIDE EMISSIONS  IN-DIFFERENCES  ENERGY DEMAND  IMPACT  TAXATION  COMPETITIVENESS  CONVERGENCE  DIFFERENCE  COUNTRIES