China Nonferrous Metals Scientific and Technical Joint-Development Group(CNJDG)consists of thirty odd research,design institutions,universities,colleges,plants,mines,enterprisesand consulting companies(see attached li...China Nonferrous Metals Scientific and Technical Joint-Development Group(CNJDG)consists of thirty odd research,design institutions,universities,colleges,plants,mines,enterprisesand consulting companies(see attached list of membership units)CNJDG has a business executive organization—Nonferrous Metals Scientific and TechnicalDevelopment Corporation(NSTDC)to suit client’s convenience.展开更多
《情报学报》和"Journal of the American Society for Information Science and Technology"分别作为国内外图书情报学研究领域的权威期刊,代表了国内外高水平的图书情报学研究。以这两本期刊为例,对其发文数量、引文数量、...《情报学报》和"Journal of the American Society for Information Science and Technology"分别作为国内外图书情报学研究领域的权威期刊,代表了国内外高水平的图书情报学研究。以这两本期刊为例,对其发文数量、引文数量、研究热点演进和高被引文献进行分析,对比研究近15年来中外图书情报学研究的异同。展开更多
文摘China Nonferrous Metals Scientific and Technical Joint-Development Group(CNJDG)consists of thirty odd research,design institutions,universities,colleges,plants,mines,enterprisesand consulting companies(see attached list of membership units)CNJDG has a business executive organization—Nonferrous Metals Scientific and TechnicalDevelopment Corporation(NSTDC)to suit client’s convenience.
文摘《情报学报》和"Journal of the American Society for Information Science and Technology"分别作为国内外图书情报学研究领域的权威期刊,代表了国内外高水平的图书情报学研究。以这两本期刊为例,对其发文数量、引文数量、研究热点演进和高被引文献进行分析,对比研究近15年来中外图书情报学研究的异同。