| Science and Technology Journals, as a professional media in spreading scientific and technological knowledge, promote scientific and technological development mission. It's effective and objective evaluation of their play better role in promoting scientific development. Biomedical science journals is a big family in science and technology periodicals. At present, the overall status of medical journals is the absolute number of journals is high quality but relatively is low, the paper's output is high but the respect power is low, the overall size is large but repetitive is high, the degree of specialization is strong but the market is low. To medical science journals better and sustainable development is that we can't ignore the important and urgent issue. "Chinese Journal of Internal Medicine," founded in 1981, is a national Internal integrated academic and technical journals, as the core of the national internal medicine journals, the circulation for among the forefront of similar journals in many years, it is also a very famous in China one of scientific journals. We integrated use of several methods analysis the change of the magazine's papers of recently 10 years, carries on the systematic summary and objective evaluation, magazine's specialty and main change regular, and find the gap of the same industry, not only for magazine's development to provide theoretical support, but also for the evaluation of medical journals in China to do something meaningful to explore.Research Materials and Methods1,Research MaterialsCollecte "Chinese Journal of Practical Internal Medicine" magazine, published from 1999 to 2008 for all 144 books, and " CHINESE S&T JOURNAL CITATION REPORTS " from 1999 to 2008 total of 10 books, and one report of CNKI on "Chinese Journal of Internal Medicine," published in the journal data network Statistical Analysis in 2009.2,Indicators of observation(1) The Statistics of Bibliometric IndicatorsEnquiries CHINESE S&T JOURNAL CITATION REPORTS 1999-2008 and Web journals publishing statistical analysis to of CNKI to collect "Chinese Journal of Practical Internal Medicine" (1999-2008) the indicator data. The Indicators include the total citation frequency, impact factor, immediacy index, the cited the rate, diffusion factor, subjects factor, subjects diffusion index, cited half-life; source document content, references, average citations, average number of authors, geographical distribution number, distribution of the number of institutions, funds than paper, citing half-life, h index. Calculation the stability index and the trend index of "Chinese Journal of Practical Internal Medicine"(1999-2008).Enquiries the CHINESE S&T JOURNAL CITATION REPORTS 1999-2008, comparative analysis the main indicators of the "China Journal of Internal Medicine" and "Chinese Journal of practical Internal Medicine".observe target including:impact factor, citation frequency, the average citation number, ratio of foundation.(2) Statistical Papers content changesAccording to Internal Medicine classification and methodology, sorted by a manual work statistics and analytic statistics of the article published in "Chinese Journal of Practical Internal Medicine"(1999-2008), observed over the years changes and journal papers'contents of methodological changes in indexes measuring changes in the relationship. Divided into three disciplines within the scientific breathing, circulation, digestion, kidney, blood, endocrine, neurology, and others. Statistics the percentage changes in all types of articles. Article rating methodology is based on the experimental design and methods of the article to judge the content of the study demonstrate strength, from low to high were divided into 4 and 1 to 4 points, and compared the changes of the main bibliometric indicators (impact factor, citation frequency The average citation rate, the Fund paper ratio).3,Statistical MethodsThe indicator data will be collected to establish EXCEL database, all data are used with SPSS 12.0 For Windows software system statistics.RusultThe bibliometric indicators of the "Chinese Journal of Practical Internal Medicine" 1999-2008 was steadily increasing. h index among the forefront of the domestic medical journals, and stability index of less than the "Chinese Journal of Internal Medicine." Compare with the same period "Chinese Journal of Internal Medicine" is still a gap of the key indicators, but to enhance the trend than the "Internal Medicine", part of the trend indicators index was significantly higher than the latter. "Chinese Journal of Practical Internal Medicine"'s articles have strong comprehensive, Journal of nearly 10 years with the application of methodology papers raise the level of the article the argument strength increased year by year, and magazines related bibliometric indicators simultaneous growth of the magazine's quality and impact of power has been increasing.1,Statistical analysis of bibliometric of "Chinese Journal of Internal Medicine," (1999-2008)The Bibliometric means:"Chinese Journal of Internal Medicine"(1999-2008) the 16 bibliometric indicators showed steady growth trend or increase, in which the index has been cited frequency, immediacy index, ratio of foundation, discipline impact indicators. Impact factor, the average citation number, the source volume of literature, reference volume 9 years before the rise, the last 1 year declined slightly, but still higher than before for 1 year. Has been stable with only small fluctuations in the index, including his citation rate, the average number of authors, the geographical distribution of the number of subjects diffusion indexes. "Chinese Journal of Practical Internal Medicine" h index for the 51 medical journals ranked 27th in 2009.1999-2008, various indicators for the stability of the index and the trend that, in addition to immediate index and the diffusion factor is negative, the other indicators are positive trend index rose the most obvious of the two indicators is the total citation frequency and impact factor. Stability index greater than 0.5 the indicators in the total citation frequency, reference amount, the Fund than paper, suggesting that its annual change range more obvious than the other indicators.2,Comparison of the Main Bibliometric indicators with" China Journal of Internal Medicine"The 2 Journals'total citation frequency showed an upward trend, "Chinese Journal of practical internal Medicine" growth trend is higher the "China Journal of Internal Medicine" Over the past 10 years, the impact factor indicators of "Chinese Journal of practical Internal Medicine" upward trend, but unstable, and still with the "China Journal of Internal Medicine" has a certain gap. "Chinese Journal of Practical Internal Medicine" immediacy index fluctuated were stable before 2005,2006-2008 significantly increased. Changes contrary to "China Journal of the Internal Medicine", suggesting that "Chinese Journal of Practical Internal Medicine" increasingly time-sensitive papers. The average of spreading factor of "Chinese Journal of Practical Internal Medicine" is higher than the "China Journal of Internal Medicine", the two magazines published have the same trend, a downward trend in the last 3 years. Cited half-life of "Chinese Journal of Practical Internal Medicine" is shorter than "China Journal of the Internal Medicine", and it is decreasing. In trend index, the target influential factor, diffusion factors, reference volume, the average citation number and ratio of foundation. "Chinese Journal of Practical Internal Medicine" is higher than "China journal of Internal Medicine", Journal diffusion factor both of the two journal are negative. Stability index of "Chinese Journal of Practical Internal Medicine" indicators of high total citation frequency, impact factor, he cited the rate of volume of the source documents, reference documents, the average number of citations, average number of authors and the ratio of foundation.3,Change and Analysis of "Chinese Journal of practical Internal Medicine"(1999-2008)"Chinese Journal of Practical Internal Medicine" (1999-2008) were published 5454 articles, according to the proportion of subjects showed a rise in the content of articles with endocrine and other medical categories, the decline is gastroenterology, renal medicine and neurology. Overall change smoothly. By methodological score statistics, the articles in "Chinese Journal of Practical Internal Medicine"(1999-2008) 1 article published in a slight decrease,2 articles have some fluctuation,3 & 4 increased the article, in particular 4 articles, there were significantly increased in 2006-2008. Methodological papers, and the average points score also showed an increasing trend year by year, methodological score and total citation frequency, impact factor averages compare with similar trends.Discussion"Chinese Journal of Practical Internal Medicine "of the bibliometric indicators of 1999-2008 showed an increasing tendency, especially in citation frequency, impact factor, the average number of citations, the fund indexes were higher than the other, since 2005, it was significantly increased. The targets was down slightly in 2008, considering the 2008 issue of the Journal of the fortnightly instead. Overall, "Chinese Journal of Practical Internal Medicine" in good quality papers and has continued to trend higher. "China Journal of Internal Medicine," the total citation frequency and impact factor of volatility is higher. Immediacy index is not high, the low rate of self-cited to illustrate cited by other journals are more, but with fewer instructions from the cited papers did not attach importance to their own research on the publicity and continuity. Including scientific journals, the "Chinese Journal of Practical Internal Medicine" and the overall ranking of the indicators are ranked toward the front, indicating magazine has been able to maintain the disciplines have greater influence. "Chinese Journal of Practical Internal Medicine" h index is 51, in domestic science and technology journals ranked 161 in the medical journals ranked 27th. "Chinese Journal of Internal Medicine," The stability index was slightly higher than the index, "Journal of Internal Medicine", that "Chinese Journal of Practical Internal Medicine" of the change in magnitude than the "Internal Medicine" big, active degrees higher than the latter, is conducive to more Big improvement and change. "Chinese Journal of Practical Internal Medicine" and citation frequency, impact factor and other key indicators for the positive trend index showed that the index is rising, and he cited the rate of diffusion factor and cited half-life is negative, indicating that the index was down trend, that magazine's influence has declined to consider the reasons leading to technological progress and the means of access to information rich, the Internet and other means of diversion of traditional journal impact caused by the decrease of. And "Chinese Medicine" for further comparison, the data show, "Chinese Journal of Practical Internal Medicine" and citation frequency, impact factor, citation references and average number of trends in BMI than the former, suggesting that "Chinese Journal of Practical Internal Medicine" in recent years to improve the quality significantly, there is catch-up "China Journal of Internal Medicine" trend."Chinese Journal of Practical Internal Medicine" (1999-2008) were published 5454 articles, increased year by year, a more balanced proportion of all disciplines, Endocrinology, and has increased the proportion of other medical articles. Endocrine diseases such as diabetes in recent years to consider, hyperthyroidism and other high incidence of disease, and new infectious diseases and emergency first aid medical research in the field of research is the hot, therefore reflected in the number of the papers has increased. Department of Nephrology, Department of Neurology and the decline in the proportion of the article, with its slow progress in the relevant disciplines."Chinese Journal of Practical Internal Medicine" article published in the overall strength of the arguments increased year by year, its methodology and the average total score increased gradually, and with the citation frequency and impact factor in the trend was the same. So that the magazine earried an article in the methodology level of maturity and optimization, will help the magazine citation frequency and impact factor of the increase, Chinese Journal of Practical Internal Medicine article published in the last 10 years, more and more the argument strength of magazine, Bibliometric indicators of the Journal of the improvement brought about the positive effects.Conclusion"Chinese Journal of Practical Internal Medicine" is an important Journals of domestic scientific area, it has its own unique style and academic philosophy journal, is our comprehensive success of one of the representatives of Internal Medicine, The academic quality in its steady increased influence has expanded from 1999 to 2008 each year, its more scientific articles published, reflecting China's domestic scientific clinical research and practice the latest results, with the related disciplines and continue to develop their own magazine, "China Journal of Medicine" and "Chinese Journal of Internal Medicine ", the gap will further reduce the overall strength to a higher level, and will become a clinical medicals favorite journals. |
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