The paper has analyzed papers, authors and citation of Agricultural Economic Question during the period from 1998 to 2004 via quantitative analysis method, obtained multiple index about publishing paper quantity, thesis cooperation degree, cooperative rate, average quoted passage rate, influence factor, analyses of regional distribution and organization of authors of thesis, determined core author groups, core research institutions, and theses and authors that have high frequency of citation, and revealed the characteristics and trends of agricultural economic researches in China from a profile.
On the basis of eucalypt research papers of "VIP Chinese Science & Technology Periodical Database" and "Chinese Periodical Full-Text Database" of 1989~2004,the paper has applied bibliometric method to analyze the regional distribution,annual change of number of people involved,core author group,and author affiliations of eucalypt research in China.
The study shows that the periodical have a stable group of publishing articles,the average number of yearly published articles and the information consistency is ascending steadily,the quality of article sources is increasing gradually,the latest literature and English literature quoted has also increased,but the core author group is waiting to develop.
From the development of the journal of China Soft Science,the article statistics and analysis on authors of China Soft Science from 2003～2004.Result show the rate of coauthoring is 67.36%,the co-operation rate is 1.97,the key authors and the group of key authors is dispersion,and the age、degree and so on about the first authors is usual.
With the data from the "Database of Chinese Periodicals Full-text Web(1994~2004),and by using bibliometric method,the paper has analyzed the regional distribution,related journal,key authors,number and title of sturgeon documents.The author has found that some regularity of the distribution of sturgeon documents in China,and revealed current domestic situation of sturgeon research.
Based on477theses published in3years in18issues of《Metalforming Machinery》from1999to2001,the following such as contents capacity,delay of certain the-ses publication,topics,totalled authors,cooperated authors,key authors and units they are affiliated,the number,type,language and publishing year distribution of references and the aspects of referred theses have been statistically analysed,either qualitatively or quantitatively,reviewing status and ten-dency of the magazine.
Three special issues on computer of Journal of Guangxi Academy of Sciences from 2000 to 2002 are analyzed by using statistics and reference metrology method Development of computer technology in Guangxi and the key authors of special issues are discussed in terms of scientific subjects,employers of authors and the key author constitute of papers
The author identifies and evaluates the academic index of the authors of Information Science During 1998-2005 with the method of synthetical index according to document metrology,and fifty-nine Kernel Authors are confirmed.
Bradford distribution and core authors in classification systems literature
By applying of Bradford's law to analysis of the source documents and their references by classification systems researchers in the world, this paper presents core authors of the field during the period 1981-1990.
The findings show that 1) core authors of the international classification systems literature are the Library of Congress, M.
Finally, a study of the growth of practitioners in the field with different productivity levels is conducted, and the emergence of core authors in the speciality is explored.
Because of its interdisciplinary nature and diverse subjects, semiconductor literature lacks a strong group of core authors.