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地质资料信集群化产业化的技术和应用课题 总被引：1，自引：0，他引：1
我国拥有数量庞大的地质资料信息,在能源和矿产的勘探开采、大型基础建设和防灾救灾中发挥了重要作用.然而,传统的地质资料信息是分散型封闭式管理,服务对象范围面较窄,服务内容也比较单一,导致服务效率低下,造成信息资源的巨大浪费.推进地质资料信息服务的集群化和产业化,提升服务水平,成为国家和广大地质工作者面临的重大挑战.本文首先介绍了整合多源异构的分散资料信息,进而提取出新信息的集群化以及提供多元多层次的公益服务和有偿服务的产业化,阐述了二者的重大意义,揭示了其进程是一项工作量大、涉及面广的系统工程,需要从网络信息化时代和社会发展的高度统筹规划,制定中长期发展计划.然后探讨了在集群化产业化的初级阶段需要重点解决的技术和应用上的课题,包括集群化技术和信息标准问题,管理体制上的思路,以及运行服务的新模式,同时介绍了国外的地质资料信息管理和服务的经验,并展望了我国的地质资料信息的集群化产业化的发展前景. 相似文献
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我国信息产业集群形成模式的实证分析 总被引：2，自引：0，他引：2
改革开放以后，我国信息产业发展迅速，出现了四大信息产业集群。本文通过对我国信息产业集群现状的介绍，重点从独立因素分析了我国信息产业集群形成的模式，并从非独立因素进一步探讨了我国信息产业集群的形成。 相似文献
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中关村信息产业集群模式及其启示 总被引：1，自引：0，他引：1
中关村信息产业集群是全国信息产业集群的典型代表,研究其信息产业集群模式,能为国内其他地区信息产业集群的发展提供理论参考,并能指导国内信息产业集群又好又快的发展,从而有利于"中国十二五规划"的经济转型与创新发展。笔者在综述国内外信息产业集群研究成果的基础上,界定了信息产业集群模式的内涵,并研究了中关村信息产业集群的形成模式、内部关系模式、发展与演化模式、创新与升级模式等方面的内容,最后论述了其模式的特征及启示。 相似文献
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信息产业集群结构形态及其运行效率分析 总被引：1，自引：0，他引：1
首先从产品种类和企业性质两个不同角度认真分析了信息产业集群的基本结构形态,并在此基础上提出了当前信息产业集群所具有的四类综合结构形态,其次对处于不同综合结构形态下的信息产业集群运行效率分别从成本、规模经济、范围经济以及技术创新等角度加以分析比较,同时也指出信息产业集群结构形态的形成主要受到的相关影响因素,并明确指出了有利于我国信息产业集群长期可持续发展的结构形态。 相似文献
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本文介绍了国外实物地质资料管理政策与保管范围,结合我国实物地质资料类型多样、数量巨大、工作起步晚等现状,论述了实物地质资料筛选的必要性。 相似文献
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本文简要论述了辽宁省地质资料管理信息服务系统建设背景与现状,提出了地质资料管理信息服务系统建设目标、原则、内容和建设重点,分别论述了管理系统的组成、结构框架、实际应用情况及下步完善升级的建议. 相似文献
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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
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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
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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
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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
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《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
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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
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《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
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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
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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
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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