1) electronic document
电子文献
1.
The pricing model of electronic document products is a necessary part in the researches on electronic document products.
电子文献产品的定价模式是电子文献产品研究领域必不可少的一环。
2.
This article discusses the type dominant position of electronic document and the effect on library informa-tion service in network environment, discusses some ways of electronic information resources develooment.
论述了网络环境下电子文献的类型、优势及对图书馆信息服务等方面的影响,阐述了电子文献资源建设的一些对策。
3.
This paper has discussed the theme of library consortium purchase of electronic document,analyzed the organizational pattern,the purchase pattern and the pattern of resource sharing of consortium purchase,and the aggregative interest.
通过对电子文献联盟采购主题研究的概述,简析了联盟采购中的组织模式、采购模式、资源共享模式、集团内的利益问题,以及在采购中与生产者的合作和需兼顾的长远方针。
2) electronic literature
电子文献
1.
Taking into consideration the development course of literature,the characteristics of printed literature and the reading habit of readers and the social demand,the author elaborates that the electronic literature can not replace the printed one and libraries should reinforce the construction of printed literature resource.
从文献的发展历程、印刷型文献的特点以及人们阅读的习惯和社会的需要等方面论述了电子文献无法取代印刷型文献,图书馆要加强印刷型文献资源的建设。
2.
This paper analyzes the advantages and disadvantages of paper literature and electronic literature under the network environment, points out that the electronic literature couldn t replace the paper literature completely, and proves the value of the existence of the paper literature in the future library.
分析了网络环境下电子文献和纸质文献的优缺点,指出了电子文献不可能完全替代纸质文献,从而证明了纸质文献在未来图书馆存在的价值。
3.
It is to analyze the distinctive features of electronic literature,which now presents itself as an important part of university library resource.
文章通过对电子文献特点的分析,指出了电子文献资源是当今高校图书馆馆藏的重要组成部分,从馆藏、馆员、馆舍等方面阐述了电子文献对高校图书馆的影响,提出了高校图书馆开发利用电子文献的主要策略。
3) electronic documents
电子文献
1.
Impact of the electronic documents on the libraries of hospitals;
电子文献对医院图书馆发展的影响
2.
The management and utilization of informally published electronic documents;
非正式出版电子文献的管理与利用
3.
Discussion on construction of electronic documents in university libraries from changes of people’s reading way
从阅读方式的变化谈高校图书馆电子文献建设
4) electronic literature database
电子文献数据库
1.
This paper analyzes the problems of personalized information retrieval service existing in the electronic literature databases in China,compares three electronic literature databases--ScienceDirect,VIP,CNKI,and puts forward the proposals and implement methods for personalized information service of electronic literature database.
分析了目前国内电子文献数据库个性化信息检索服务中存在的问题,通过比较国内外三大电子文献数据库——ScienceDirect、维普中文科技期刊数据库和CNKI知识网络平台,提出了电子文献数据库个性化信息检索服务的优化策略及实现方法。
5) evaluating digital sources
评估电子型文献
6) electronic literature resources
电子文献资源
1.
Transfer of the date s expense in university libraries show that electronic literature resources is increasing year after year in the library s collecting structure, the readers of utilizing electronic literature resources is increasing, librarians quality are improved.
高校图书馆资料经费开支转移的结果表明,图书馆馆藏结构中电子文献资源逐年增加,使用电子文献资源的读者增多,馆员的素质得到提高,同时指出电子文献和印刷型文献将长期并存。
2.
This paper introduces some relevant researches on improving the utilization ratio of electronic literature resources, and connecting with the utilization features of electronic literature resources in cadre training institute, probes into some technical methods for integrating various heterogeneous electronic literature resources information to improve their utilization ratio.
介绍了有关提高电子文献资源利用率的相关研究,结合干部培训机构电子文献资源的使用特点,探讨了一种将多种异构电子文献资源信息进行集成以提高文献资源利用率的技术手段。
补充资料：电子-电子双共振
在垂直静磁场H的方向,施加两个微波电磁场:①较弱的微波电磁场，激发电子从能级2向能级3跃迁，不致于饱和；②强的微波电磁场，激发电子从能级1向能级4跃迁，使达到饱和，从而导致能级4的电子转移至能级3，以观察反映2→3跃迁的电子自旋共振信号强度的变化，故称为电子－电子双共振。它与电子-核双共振不同之处是不涉及核的跃迁，并且观察的与电子自旋共振有关的能级和未观察的跃迁能级之间无共享的公共能级。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条