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1.
2004~2009年MathSciNet网络数据库收录的中国科技期刊统计分析 总被引：1，自引：1，他引：0
赵睿杰 《中国科技期刊研究》2011,22(1):53-58
通过对被MathSciNet数据库收录的中国科技期刊的统计,发现2004～2009年间,共有177种中国科技期刊被该数据库收录,收录论文数为43328篇。本文对这些期刊的出版地、所属学科分布、收录年(次)、出版语种等方面进行了统计分析。 相似文献
2.
通过对被INSPEC数据库收录的中国科技期刊的统计,发现1969～2003年间,共有155种中国科技期刊被该数据库收录,收录论文数为131432篇.本文对这些期刊的出版地、所属学科分布、收录年(次)、出版语种等方面进行了统计分析. 相似文献
3.
张艳 《中国科技期刊研究》2008,19(1):38-43
统计了2000~2005年间美国MGA 网络数据库收录的中国科技期刊,共有62种期刊和4573篇论文被该数据库收录。从收录期刊论文数、期刊收录年限、所属学科、出版地、大学学报和MGA收录中国科技期刊论文的比例等方面作了统计分析。 相似文献
4.
鲍国海 《中国科技期刊研究》2007,18(3):393-397
对《工程索引》（EI）网络数据库收录中国科技期刊（1978-2006年）进行了综合分析。截至2006年6月20日，共有458种中国科技期刊被该数据库收录，收录论文390963条。从历年收录量、收文数、期刊出版语种、期刊出版频次、主办者以及同时被ISI、INSPEC、CA、MEDLINE、MA、BP、SCOPUS、中国期刊全文数据库、万方数据库、维普科技期刊库和CATPCD等收 相似文献
5.
通过对被INSPEC数据库收录的中国科技期刊的统计，发现1969-2003年间，共有155种中国科技期刊被该数据库收录，收录论文数为131432篇。本文对这些期刊的出版地、所属学科分布、收录年(次)、出版语种等方面进行了统计分析。 相似文献
6.
CA网络数据库收录的中国科技期刊综合分析(1932～2008年) 总被引：3，自引：1，他引：2
鲍国海 《中国科技期刊研究》2009,20(4):600-604
统计了1932～2008年间美国CA网络数据库收录的中国科技期刊和论文的数量。截至2008年7月,共有1449种期刊和1153580篇论文被收录。从被收录期刊和论文数量、收录年次、所属学科、语种、创刊年、刊期、出版地、出版者、主办者以及同时被美国ISI、EI、SA、BA、ME、MA,荷兰SC、俄罗斯JA和日本JI等数据库收录情况进行了综合分析。 相似文献
7.
鲍国海 《中国科技期刊研究》2005,16(4):468-474
通过对METADEX光盘数据库收录的中国科技期刊的统计，发现1990～2003年间，共有142种中国科技期刊被该数据库收录，收录论文数为31368篇。本文对这些期刊的出版地、所属学科分布、收录年(次)、出版语种、出版地和主办者等方面进行了统计分析。 相似文献
8.
【目的】 统计并分析Ei Compendex数据库收录中国科技期刊的情况,为中文科技期刊争取EI收录提供数据支撑。【方法】 统计了EI历年来收录中国科技期刊的数量,并以2016年收录数据为例,分析了EI新增收录和终止收录的中文科技期刊的特点。【结果】 EI优先收录出版语言为英文的期刊,近年来对中文科技期刊的收录数量逐年紧缩;EI仅收录在学科领域内期刊综合评价指标排名稳定且进入前3%的期刊,排名前5%以后的期刊很难被EI收录,除非所刊载文章为EI感兴趣的新兴学科领域;期刊被其他重要数据库收录的情况也是EI重点考虑的因素之一。【结论】 EI近年来收紧了对科技期刊的收录,中文期刊争取进入EI收录的难度将不断加大,办出期刊学科特色、提高核心竞争力才是期刊立足之根本。 相似文献
9.
依据中国科学技术信息研究所研制的中国英文科技期刊数据库,对我国307种正式出版的英文科技期刊进行指标的统计与分析。以定量的角度统计期刊在创刊时间、出版地区、出版周期和学科等方面的分布情况,并结合影响因子和总被引频次等指标对期刊的影响力进行分析。中国英文科技期刊的数量不断增长,影响力不断提升,但办刊资源依旧分散,没有形成规模。 相似文献
10.
【目的】 探讨我国英文科技期刊被ESCI数据库收录的策略。【方法】 以2016年ESCI收录的我国31种英文科技期刊为样本,从出版周期、国际出版社合作和其他数据库收录、国际编委比例与引文影响力4个方面采集数据进行分析。【结果】 国内英文科技期刊申请ESCI收录的策略包括创刊时采用季刊或双月刊出版;与国际出版社合作,采用国际投审稿系统处理稿件等。在申请ESCI收录的同时,多数期刊也在寻求被其他重要数据库如Scopus收录。国际编委会在提升期刊学术质量和影响力方面发挥重要作用。此外,注重文章被引频次的积累,从而提升竞争优势,争取被ESCI收录后能快速被SCIE收录也是多数期刊采取的重要策略。【结论】 建议国内英文科技期刊借鉴已收录期刊的经验,重视ESCI对提升期刊影响力的作用。 相似文献
11.
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
12.
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
13.
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
14.
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
15.
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
16.
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
17.
Milton Mueller 《The Information Society》2001,17(3):151-163
Long-standing conflict between domain name registrants and trademark holders prompted the Internet Corporation for Assigned Names and Numbers (ICANN) to create a global, mandatory arbitration procedure known as the Uniform Dispute Resolution Policy (UDRP). The UDRP has been used in 2166 cases involving 3938 domain names as of 1 November 2000. The policy gives the initiator of a complaint, generally a trademark holder, the right to choose which ICANN-accredited dispute resolution service provider (RSP) will handle the case. During the preparation of the UDRP,some feared that complainant selection would lead to "forum shopping" that might bias the results. This article performs a statistical assessment of the forum-shopping thesis and finds support for it. There are statistically significant differences in the various RSPs' propensity to take away names from defendants; there are also major differences in the number of cases brought to each RSP. RSPs who take away names have the larger share of cases. The study examines other variables that might explain differences in market share, such as price, the plaintiff's nationality, or the time taken to decide a case. It finds that nationality and time also are correlated with market share. The study concludes that shopping for a favorable outcome is an important factor in the UDRP. 相似文献
18.
Prof. Raymond C.K. Chen a neuropsychologist with the CAS Institute of Psychology has made novel progress in his studies of schizophrenia. His work has been reported by a recent issue of Behavioural Neurology.…… 《中国科学院院刊(英文版)》2008,22(1):15-15
Prof. Raymond C.K. Chen, a neuropsychologist with the CAS Institute of Psychology, has made novel progress in his studies of schizophrenia. His work has been reported by a recent issue of Behavioural Neurology. 相似文献
19.
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
20.
《中国科学院院刊(英文版)》2014,(3)
<正>In Xishuangbanna,one of China’s most biodiverse regions,landscape has changed dramatically during the past three decades due to the conversion of tropical rainforest to rubber plantations.In steep areas,terraces are often constructed before planting rubber trees,which causes two important changes in the soil:the destabilization of soil in the bench terraces and the increased vulnerability of unvegetated riser faces to erosion.Few studies have documented the nature and intensity of erosion on bench terraces.Prof.LIU Wenjie and his colleagues from the Xishuangbanna Tropical Botanical Garden(XTBG)conducted a study in Menglun County(21°5′39″N,101°15′55″E),Xishuangbanna to evaluate the influence 相似文献