The exploitation and utilization of the city underground space resource is the important approach of building tri-dimensional and ecological cities, solving the environment,resource,and population crisis and continuin...The exploitation and utilization of the city underground space resource is the important approach of building tri-dimensional and ecological cities, solving the environment,resource,and population crisis and continuing cities development.This article, based on the introduction in detail the overview of regional geology,hydrogeologic condition,engineering geology,environmental geology,etc.in center city of Tianjin,establishes evaluating model of urban underground space resource based on GIS展开更多
This paper selects 998 articles as its data sources from four Chinese core journals in the field of Library and Information Science from 2003 to 2007.Some pertinent aspects of reference citations particularly from web...This paper selects 998 articles as its data sources from four Chinese core journals in the field of Library and Information Science from 2003 to 2007.Some pertinent aspects of reference citations particularly from web resources are selected for a focused analysis and discussion.This includes primarily such items as the number of web citations,web citations per each article,the distribution of domain names of web citations and also certain aspects about the institutional and/or geographical affiliations of the author.The evolving situation of utilizing online networked academic information resources in China is the central thematic discussion of this study.The writing of this paper is augmented by the explicatory presentation of 3 graphic figures,6 tables and 18 references.展开更多
介绍了ISI Web of Knowledge基于知识管理的学术信息资源整合的特点和各项功能,指出其通过学术信息大规模聚合、统一平台处理、分析评价功能以及由超链接构成的体系化的知识,实现了学术信息流管理的四大愿景:开创个体研究者与人类知识...介绍了ISI Web of Knowledge基于知识管理的学术信息资源整合的特点和各项功能,指出其通过学术信息大规模聚合、统一平台处理、分析评价功能以及由超链接构成的体系化的知识,实现了学术信息流管理的四大愿景:开创个体研究者与人类知识总合的崭新关系,集成科研信息活动的全过程(检索、分析、管理、发现),营造集资源、工具与技术为一体的新型合作研究环境,将传统数据库系统转化为创新平台,实现了由"支撑"科研向"引领"科研的跨越。展开更多
介绍了美国科技信息研究所ISI出版的Web of Science学术信息资源数据库的结构、概况、检索功能与特点,并指出ISI凭借其独特的引文机制和强大的跨库检索能力,将全世界学术信息资源整合在一起,为科研人员和科研机构创造了一个科学研究的...介绍了美国科技信息研究所ISI出版的Web of Science学术信息资源数据库的结构、概况、检索功能与特点,并指出ISI凭借其独特的引文机制和强大的跨库检索能力,将全世界学术信息资源整合在一起,为科研人员和科研机构创造了一个科学研究的数字环境,促进了知识与技术的创新与发展。展开更多
WEB OF SCIENCE核心合集是高校和科研机构定量评价研究人员科研成果的重要依据,一些因素可能会导致论文不能在WEB OF SCIENCE核心合集中被检索或者不能被正确地检索,这可能会严重损害作者的利益。对这些问题进行总结并提出一些建议,希...WEB OF SCIENCE核心合集是高校和科研机构定量评价研究人员科研成果的重要依据,一些因素可能会导致论文不能在WEB OF SCIENCE核心合集中被检索或者不能被正确地检索,这可能会严重损害作者的利益。对这些问题进行总结并提出一些建议,希望能对广大科研人员有所帮助。展开更多
文摘The exploitation and utilization of the city underground space resource is the important approach of building tri-dimensional and ecological cities, solving the environment,resource,and population crisis and continuing cities development.This article, based on the introduction in detail the overview of regional geology,hydrogeologic condition,engineering geology,environmental geology,etc.in center city of Tianjin,establishes evaluating model of urban underground space resource based on GIS
基金supported by National Social Science Fund of China(Grant No.08CTQ015)
文摘This paper selects 998 articles as its data sources from four Chinese core journals in the field of Library and Information Science from 2003 to 2007.Some pertinent aspects of reference citations particularly from web resources are selected for a focused analysis and discussion.This includes primarily such items as the number of web citations,web citations per each article,the distribution of domain names of web citations and also certain aspects about the institutional and/or geographical affiliations of the author.The evolving situation of utilizing online networked academic information resources in China is the central thematic discussion of this study.The writing of this paper is augmented by the explicatory presentation of 3 graphic figures,6 tables and 18 references.
文摘介绍了ISI Web of Knowledge基于知识管理的学术信息资源整合的特点和各项功能,指出其通过学术信息大规模聚合、统一平台处理、分析评价功能以及由超链接构成的体系化的知识,实现了学术信息流管理的四大愿景:开创个体研究者与人类知识总合的崭新关系,集成科研信息活动的全过程(检索、分析、管理、发现),营造集资源、工具与技术为一体的新型合作研究环境,将传统数据库系统转化为创新平台,实现了由"支撑"科研向"引领"科研的跨越。
