【摘 要】
:
本文运用文献计量学与统计学方法,以国内三大期刊全文数据库为数据源,对2003-2009年我国开放存取研究论文进行统计分析,主要内容包括文献增长规律、期刊分布、作者群分布以及
论文部分内容阅读
本文运用文献计量学与统计学方法,以国内三大期刊全文数据库为数据源,对2003-2009年我国开放存取研究论文进行统计分析,主要内容包括文献增长规律、期刊分布、作者群分布以及主题内容分布等。
This article uses the methods of bibliometrics and statistics to analyze the open access research papers in our country from 2003 to 2009 with the data from three domestic full-text databases as the data source. The main contents include the law of literature growth, periodical distribution, author group distribution, Thematic content distribution.
其他文献
当今在科技界,在一部分科技人员中,存在着一些不好的风气:rn1.明明研究成果水平一般,非说成是国内领先、国际先进.rn2.明明是一般项目,也要把它说成是高科技项目.rn3.明明是
A series of crystals of BaxSr1-x(NO3)2 (x=0-0.98) were grown from aqueous solutions by the evaporation method and characterized by x-ray powder diffraction and h
作文“点改法”,一反传统的批改方式,在作文批改中,采用一系列的标注符号,在有问题的文段中加以指示,并在对应的眉批处引导学生思考、感悟,让学生自己寻找途径和方法,最后完
Beam halo-chaos is essentially a complex spatiotemporal chaotic motion in a periodic-focusing channel of a highpower linear proton accelerator. The controllabil
Cs atoms were optically pumped with a Ti:sapphire laser in a magnetic field of 1.516 T. Steady absorption spectra and populations of Zeeman sublevels of the gro
A new concise approach is presented for analytic study of the properties of the Holstein model. New analytic results for the polaronic band structure and phonon
Using the detailed configuration accounting with the term structures treated by the unresolved transition array model, we present a method to calculate the tran
古代教育家孔子在《论语》中说“学而不思则罔,思而不学则殆”,讲的是学生在学习中学与思的重要性.而本人根据自己的教学体验,对“教而不问则罔,问而不教则殆”似乎有深刻领
A general expression for the wavefunction of the scattering state of two particles is given when the direction of their relative momentum is arbitrary. The two-
宗教对我国图书馆的形成和发展产生了诸多的影响。文章介绍了古代和近代以来,几种宗教对我国寺观藏书、古代目录学思想、早期图书馆“传播学”思想以及近代图书馆产生和发展