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1.
【目的】客观评价中文地质学期刊的国际化发展现状和态势。【方法】对2012~2014年进入“中国最具国际影响力学术期刊（TOP5%）”和“中国国际影响力优秀学术期刊（TOP10%）”的地质学期刊的文献计量学指标加以分析,并与中国科学技术信息研究所统计的影响因子、总被引频次进行了比较。【结果】（1） 中国中文地质学期刊的国内影响因子与国际影响因子相关性不显著,而国内总被引频次与国际总被引频次相关性显著;（2） 中国中文地质学期刊国际影响力正以较快的速度稳步上升;（3） 同水平的中国地质学英文期刊的国际影响力并不明显高于中文期刊。【结论】在中文地质学期刊已有一定的国际影响力后,还应制定符合中文期刊发展的政策,扩大中文期刊的国际影响力。 相似文献
2.
丁佐奇 《中国科技期刊研究》2015,26(10):1104-1108
摘 要 【目的】研究整合替代医学领域24种SCI期刊的文献计量指标,分析发展态势及中国对该领域的贡献。【方法】 利用JCR统计各期刊2014年度影响因子（IF）和特征因子,利用Web of Science分析各期刊2013和2014年两年的总发文量、总被引频次、篇均被引频次、h指数等指标,分析中国对该学科领域的贡献,并研究Top100篇高被引文章的学术特征。【结果】 中国整合替代医学领域3种SCI期刊近年来取得了一定的发展,且中国在国际期刊上发表的论文水平较高,中国论文在Top100高被引论文中占43%。【结论】整合替代医学是中国的优势领域,国内整合替代医学期刊的水平与中国在该领域的国际学术影响力相比仍有较大差距,中国整合替代医学期刊国际影响力有待提高,以留住国内优秀稿源。 相似文献
3.
【目的】分析H5指数评价中国材料类SCI期刊的适用性,从而为我国材料学期刊的健康发展,尤其是更好地提高其国内外影响力提供参考。【方法】 以Web of Science（WoS）数据库和Google Scholar Metrics（GSM）数据库收录的14种中国材料类SCI期刊为样本,对H5指数评价中国材料类SCI期刊的适用性进行研究。【结果】H5指数与总被引频次、影响因子（IF）、5年影响因子（IF5）具有很强的相关性,能够从期刊的论文数和总被引频次的角度来评价论文质量与学术影响力,并且兼顾了期刊生产力和影响力。H5指数主要是对期刊的持续影响力进行评估,IF是对期刊近两年影响力进行评估。【结论】合理采用H5指数和IF两种评价体系对我国材料类SCI期刊进行综合评估才相对全面和客观。 相似文献
4.
檀旦 《中国科技期刊研究》2016,27(1):111-115
【目的】分析F1000与传统文献计量学指标（总被引频次、期刊影响因子）评价文献的相关性。【方法】 以医学信息学和糖尿病为主题,检索2010年发表文献的F1000总分以及文章发表至今的总被引频次和所在期刊的影响因子（IF）,采用Spearman检验分析新的检索方式和计算方式下文章F1000总分与总被引频次、F1000总分与期刊IF的相关性。【结果】 2010年发表并被F1000推荐的医学信息学主题的文献共259篇,糖尿病主题的文献共169篇。2个主题文献的F1000总分与总被引频次、F1000总分与期刊IF均呈显著低度正相关（P<0.01）。【结论】F1000与文献计量学指标具有一定的正相关性。F1000与文献计量学指标都有自身的局限性,应将两者相结合进行多维度的评价分析。 相似文献
5.
【目的】以《中国针灸》精品期刊建设为例,对针灸科学期刊提升其质量及影响力进行探索。【方法】采用查阅文献结合《中国针灸》的成长历程总结提升质量与影响力的方法。【结果】近3年来《中国针灸》的来稿量每年以10%递增;影响因子由0.731上升到1.062;国际浏览量由43753上升到79970,国际下载量由56074上升到64098;2014、2015年均被评为“中国国际影响力优秀学术期刊”,2015年进入“中文报刊海外发行最受海外读者欢迎TOP50”、被评为“百种中国杰出学术期刊”。【结论】《中国针灸》通过精品期刊建设,学术水平和影响力都得到很大提高。 相似文献
6.
【目的】客观评估与分析我国中英文化学科技期刊在国内国际的影响力,并据此提出中国化学科技期刊现阶段发展的建议。【方法】以中国16种SCI收录的化学期刊为样本,采用文献计量学方法分析其2011—2020年在JCR、CJCR、CSCD-JCR 3个数据库的定量指标,包括影响因子(Impact Factor,IF)、总被引频次(Total Cites,TC)、自(被)引率或他引率等。【结果】JCR收录期刊的IF、TC与自引率等数据反映出近10年来我国英文化学科技期刊国际影响力明显提升,中文科技期刊国际影响力略有提升。CJCR与CSCD-JCR收录期刊的相应指标反映出近10年来中文科技期刊在国内具有高影响力的优势在减弱,2016—2020年英文化学科技期刊国内影响力明显提升。【结论】建议重视规划中文化学科技期刊的发展、优化现有英文化学科技期刊的结构以及新创办化学二级或交叉领域英文期刊以扩大该学科期刊方阵,促进我国中英文化学科技期刊全面深入的发展以及在国内国际的影响力大幅度提升。 相似文献
7.
付中静 《中国科技期刊研究》2016,27(4):346-351
【目的】分析Web of Science（WoS）数据库近十年撤销论文的引证特征,探究撤销行为对学术界的净化效果。【方法】分析撤销论文数量、被引频次等信息和期刊影响因子（impact factor,IF）的相关性,撤销时滞与论文被引频次的相关性;计算高被引撤销论文对IF的贡献率;评价撤销时滞对撤销前、后被引频次的影响。【结果】 76种期刊（撤销论文数量≥5篇）IF和撤销论文数量、总被引频次、撤销后被引频次、篇均被引频次相关(均为P<0.05)。撤销时滞和撤销论文总被引频次相关（P=0.000）。随撤销时滞延长,撤销前被引频次逐渐增大。高被引撤销论文对期刊IF的贡献率为0.00%～2.00%。【结论】高IF期刊发表的、撤销时滞长的撤销论文对学术界的负影响较大;肯定期刊进行自我净化效果的同时,建议科研管理部门、期刊编辑和科研人员等加强对撤销论文及其不良影响的关注。 相似文献
8.
“中国科技期刊国际影响力提升计划”资助期刊的影响因子贡献因素分析及启示 总被引：4，自引：4，他引：0
丁佐奇 《中国科技期刊研究》2015,26(3):305-311
【目的】研究"中国科技期刊国际影响力提升计划"资助期刊2013年与2012年相比影响因子和被引频次的变化情况及影响因子贡献因素,以期为各期刊顺利完成"提升计划"提供借鉴。【方法】利用Web of Science和JCR,探讨不同类型文献、Top20%高被引论文等不同因素对这些期刊影响因子的贡献度。【结果】大部分期刊2013年影响因子较2012年有所提升,综述类文章对期刊影响因子贡献较大,高被引论文、国际论文比以及中国作者论文影响力有待提高。【结论】当前应从挖掘多文献类型、加强评审关、注重欧美论文、争取高影响力论文等4方面提升我国科技期刊国际影响力。 相似文献
9.
WoS数据库收录论文文献级别用量指标与被引频次的相关性 总被引：2，自引：2，他引：0
付中静 《中国科技期刊研究》2017,28(1):68-73
【目的】分析Web of Science(WoS)数据库中论文文献级别用量指标（使用次数）与被引频次的分布情况及其相关性,以揭示论文使用与被引的规律及相关关系。【方法】 收集2013～2015年WoS数据库收录信息科学与图书情报学领域被引频次TOP5%、使用次数TOP5%论文数据,分析文献类型,被引频次和使用次数的年度表现及其相关性。【结果】 被引频次TOP5%、使用次数TOP5%以及两者重合文献主要类型均为Article。使用次数（180天）和被引频次三年间差异显著：前者2015年>2014年>2013年（均为P<0.05）,后者表现相反。使用次数（2013年至今）、使用次数（180天）和被引频次弱相关（均为P<0.05）;各年度中除2015年外均有相关性。【结论】 引文时间窗口越长,论文被引频次越高,一定时间内学者们更倾向于使用较新的文献;也揭示了论文使用与被引之间存在的共性,这种共性和引文时间窗口有关。 相似文献
10.
【目的】分析P指数在中国SCI期刊评价中的适用性,从而促进中国SCI期刊评价体系的完善。【方法】 以中国大陆及香港地区SCI期刊在2014年度《期刊引证报告》（Journal Citation Reports,简称JCR）的主要文献计量指标为研究对象,系统研究P指数分别用于不同学科和同一学科中国SCI期刊评价的有效性,分析P指数与被JCR收录后的总被引次数（C）、影响因子（IF）、5年影响因子（IF5）、被JCR收录后的总载文量（N）和平均被引率（C/N）的关系,并进行相关性分析。将P指数和h指数对中国SCI期刊评价的适用性进行对比。【结果】 P指数与中国SCI期刊的总被引次数、影响因子、5年影响因子、总载文量、平均被引率具有较强的相关性,能够较好地反映期刊的规模和影响力。P指数对同一学科SCI期刊比不同学科SCI期刊的评价更具优势。【结论】 P指数延续了h指数的优点,并具有更强的区分度,对优秀学术期刊的识别能力比较突出,使期刊评价更加科学,具有更加广泛的实用意义。 相似文献
11.
A research group led by Prof. ZHAI Qiwei from the Institute for Nutritional Sciences under the CAS Shanghai Institutes for Biological Sciences has discovered that even relatively low doses of resveratrol-a chemical found in the skins of red grapes in red wine-can improve the sensitivity of mice to the hormone insulin according to a report in the October issue of Cell Metabolism.…… 《中国科学院院刊(英文版)》2008,22(1):14-15
Aresearch group led by Prof. ZHAI Qiwei from the Institute for Nutritional Sciences under the CAS Shanghai Institutes for Biological Sciences has discovered that even relatively low doses of resveratrol--a chemical found in the skins of red grapes and in red wine--can improve the sensitivity of mice to the hormone insulin, according to a report in the October,2007 issue of Cell Metabolism. As insulin resistance is often characterized as the most critical factor contributing to the development of Type 2 diabetes, the findings“provide a potential new therapeutic approach for preventing or treating” both conditions, the researchers said. 相似文献
12.
《中国科学院院刊(英文版)》2008,22(1):2-3
CAS should stick to the principle of rendering service to, and giving impetus for, the development of China＇s science enterprise by making S＆T innovations, said CAS President LU Yongxiang. The CAS president made the remarks in a recent talk to communicate the gist of the winter session of the Party＇s Leading-member Group at CAS, which was held from 7 to 11 January in Beijing. 相似文献
13.
Marjorie Armstrong-Stassen Margaret Landstrom Ramona Lumpkin 《The Information Society》1998,14(2):153-164
This study examined how students who had no prior experience with videoconferencing would react to the use of videoconferencing as an instructional medium. Students enrolled in seven different courses completed a questionnaire at the beginning of the semester and again at the end of the semester. Students at the origination and remote sites did not differ in their reactions toward videoconferencing but there was a significant difference for gender. Women reacted less favorably to videoconferencing. Compared to the beginning of the semester, students reported significantly less positive attitudes toward taking a course through videoconferencing at the end of the semester. There were no significant differences in students' attitudes toward videoconferencing across courses at the beginning of the semester but there were significant differences across the courses at the end of the semester. The results suggest the need for better preparation for both students and instructors. 相似文献
14.
《中国科学院院刊(英文版)》2008,22(1)
With great care, Dr. ZHOU Zhonghe takes out a package wrapped by cotton tissue from a drawer and says: "This is the gem of our collections: the fossil of a bird that lived 125 million years ago!" Then, pointing at a tiny mound, he explains: "Look, this is the claw and that is the head. It was in the egg shell and ready to hatch ... The species fell into a family of waterside inhabitants." 相似文献
15.
A joint study by Prof. ZHANG Zhibin from the CAS Institute of Zoology his co-workers from Norway US Swiss have indicated that historical outbreaks of migratory locusts in China were associated with cold spells suggesting that China's projected climate warming could decrease the pest's numbers. The study was published in Proceedings of the National Academy of Sciences on September .…… 《中国科学院院刊(英文版)》2008,22(1):6-7
Ajoint study by Prof. ZHANG Zhibin from the CAS Institute of Zoology and his co-workers from Norway, US and Swiss have indicated that historical outbreaks of migratory locusts in China were associated with cold spells, suggesting that China＇s projected climate warming could decrease the pest＇s numbers. The study was published in Proceedings of theNational Academy of Sciences on 17 September, 2007. 相似文献
16.
Caroline Haythornthwaite 《The Information Society》2001,17(3):211-226
A computer-mediated group is a complex entity whose members exchange many types of information via multiple means of communication in pursuit of goals specific to their environment. Over time, they coordinate technical features of media with locally enacted use to achieve a viable working arrangement. To explore this complex interaction, a case study is presented of the social networks of interactions and media use among members of a class of computer-supported distance learners. Results show how group structures associated with project teams dominated who communicated with whom, about what, and via which media over the term, and how media came to occupy their own communication niches: Webboard for diffuse class-wide communication; Internet Relay Chat more to named others but still for general communication across the class; and e-mail primarily for intrateam communication. Face-to-face interaction, occurring only during a short on-campus session, appears to have had a catalytic effect on social and emotional exchanges. Results suggest the need to structure exchanges to balance class-wide sharing of ideas with subgroup interactions that facilitate project completion, and to provide media that support these two modes of interaction. 相似文献
17.
Active biological molecules functional structures can be fabricated into a bio-mimetic system by using molecular assembly method. Such materials can be used for the drug delivery disease diagnosis therapy new nanodevice construction.…… 《中国科学院院刊(英文版)》2008,22(1):22-22
Active biological molecules and functional structures can be fabricated into a bio-mimetic system by using molecular assembly method. Such materials can be used for the drug delivery, disease diagnosis and therapy, and new nanodevice construction. 相似文献
18.
Electronic data interchange (EDI) provides means for interorganizational communication, creates network externalities, requires an advanced information technology (IT) infrastructure, and relies on standards. In the diffusion of such innovations, institutional involvement is imperative. Such institutions contain governmental agencies, national and global standardization organizations, local government, and nonprofit private organizations like industry associations. The last type of organizations we call intermediating institutions. They intermediate or coordinate ("inscribe") the activities of a group of would-be adopters. Unfortunately, little is known of how these organizations shape the EDI diffusion trajectory. In this article we examine one specific type of intermediating organizations?industry associations?and how they advanced the EDI diffusion process in the grocery sectors of Hong Kong, Denmark and Finland. We identify six institutional measures, placed into a matrix formed by the mode of involvement (influence vs. regulation) and the type of diffusion force (supply push vs. demand pull), that can be mobilized to further the EDI diffusion. Industry associations were found to be active users of all these measures to varying degrees. Their role was critical especially in knowledge building, knowledge deployment, and standard setting. Furthermore, institutional involvement varied due to policy and cultural contingencies and power dependencies. 相似文献
19.
Leah A. Lievrouw 《The Information Society》2000,16(2):155-159
This essay focuses on universal service and the Internet as means to support social and political participation. The emphasis on access to telecommunications systems in conventional approaches to universal service is contrasted with access to content. A model of the information environment is described that accounts for the roles of content and conduit, both of which are necessary conditions to achieve true access. A method is outlined for employing information indicators to observe or measure the information environment. 相似文献
20.
Puay Tang 《The Information Society》1998,14(1):19-31
The increasing prospects of digital piracy has prompted the perceived need by electronic publishers to adopt technical systems of protection, and governments to reform their copyright laws. This article is a preliminary study of the management of intellectual property by electronic publishers, defined as those involved in the production of online databases, and CD-ROMs. It focuses on three main issues: (1) how electronic publishers view the increasing threat of piracy; (2) the methods of protection employed to protect intellectual property in digital format; and (3) the importance of technological protection of intellectual property in electronic publications. The analysis is based on a sample of 23 UK electronic publishers. The interviews revealed an interesting assortment of protection methods and did not show that technological protection was a preferred way. Instead, the means of protection, in addition to copyright law, comprised niche markets, pricing, trust, bad publicity, and nontechnical and technical means. 相似文献