共查询到20条相似文献，搜索用时 203 毫秒
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运用文献计量学的方法,对《中国蚕业》2008-2013年所刊载论文的基金论文数量、资助级别和资助项目,作者的年龄、学历和职称,引文的数量等进行了统计分析,结果显示：2008-2013年《中国蚕业》基金论文的数量基本呈逐年增长的趋势,2013年基金论文比例为41.18％,比2008年的24.79％,提高19.39个百分点;国家级项目资助的基金论文比例高,占基金项目总数的50.46％,省厅级项目资助的基金论文占基金项目总数的40.43％,其中,现代农业产业技术体系建设专项（蚕桑）资助论文的数量占基金资助论文总数的28.88％;论文作者中1970年以前出生的作者占62.69％,本科和大专学历的作者占65.93％,中级和副高级职称的占71.83％;篇均引文量逐年增长,从2008年的6.13篇,增加到2013年的8.45篇. 相似文献
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如何将蚕业档案的收集、整理、保管、利用与现代化的管理手段———电脑、声像等技术结合提高蚕业档案管理技能,是现代蚕业发展的必然趋势。现根据蚕业发展的现状,对如何做好蚕业档案管理作一粗浅探讨。1蚕业档案的概念蚕业档案是指在蚕种发证登记、蚕种交易、蚕业发展过程中各 相似文献
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Daniel S.J. Pang 《Veterinary anaesthesia and analgesia》2019,46(2):163-172
Objective
To define the relationship between journal impact factor (JIF) and citation distribution in veterinary journals. Citation distribution is a summary of the number of citations of individual papers published in a defined period, and JIF is said to represent the mean number of citations received by a paper published in a given journal. JIF is criticized for promoting unimportant differences between journals, exaggerating small differences in journal citation distributions by misrepresenting a skewed citation distribution. The hypothesis was that veterinary journals have a skewed citation distribution and that median citation rates between journals would be smaller than that indicated by JIF.Study design
Bibliometric study.Animals
None.Methods
A published method was used to generate journal citation reports from a commercial database, with search limits set for document (‘article’ and ‘review’) and the 2 year citation window of interest. Citation distributions [median (range)] and cumulative citations were calculated for Veterinary Anaesthesia and Analgesia (Vet Anaesth Analg, 2007–2017), 11 preselected subject- and species-specific and general veterinary journals (2016) and veterinary journals from the top (n = 10) and bottom (n = 10) of the Veterinary Sciences category ranking (2016) with a 10 year publication record.Results
Citation distributions were right-skewed for all journals, with 15–20% of papers contributing approximately 50% of citations. For Vet Anaesth Analg, the median citation distribution [1 (0–2)] did not change despite JIF ranging from 1.044 to 2.064 between 2007 and 2017. Calculated median citation rates revealed minimal differences between journals, with only three groups identified: bottom (median citation 0), preselected (median citation 1) and top (median citation 2) journals. These groups represent over 100 places in the JIF (0.316–3.148) ranking.Conclusions
Ranking veterinary journals according to JIF is misleading, exaggerating differences while concealing minimally different citation distributions. 相似文献12.
基于文献计量分析的蒿属植物研究进展 总被引：4，自引：0，他引：4
为深入了解蒿属植物相关研究的全球状况和前沿动态,客观反映相关研究国家、机构和个人在该研究方面的科学能力和影响力,采用Web of Science核心合集数据库中1986-2016年间收录的有关蒿属植物研究的相关文献,基于信息计量学分析方法进行了统计分析。结果表明,关于蒿属植物全球发文量总体呈上升趋势,中国的发文量居榜首,其次为美国,但在国际合作水平来看,美国的合作贡献最大,与中国有着密切合作关系的是英国。中国科学院占据总发文量、一作总数和一作被引次数的首位,香港大学在总被引用次数和一作被引次数方面排名最高。该研究方面发文的主要期刊有Planta Medica,Phytochemistry,Journal of Natural Products等,平均被引次数最高的是顶级期刊Nature。从学科分布来看,植物科学、化学和药理学/配药学位居相关研究的前三;从类别来看,理学占排名前10学科的50%;从科学层次来看,基础和技术科学占比较大,工程科学的相关发文量有待提高。香港大学的Sy在黄蒿提取物方面的系列研究具有较高的影响力,西班牙瓦伦西亚大学Marco和北京大学Wen两位学者的相关研究被引频次较高。在研究前沿趋势方面,蒿属植物的化学成分及其医药用途方面是研究热点。 相似文献
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An analysis of journal citation frequency in the Consultant data base for computer-assisted diagnosis 总被引：5，自引：0，他引：5
M E White 《Journal of the American Veterinary Medical Association》1987,190(9):1098-1101
An analysis was done of a random sample of one third of the Consultant data base for computer-assisted diagnosis to determine the number of journals cited and the number of times each was cited. Although 86 journals were represented, 80% of citations for small animal practice were from 9 journals and 90% were from 14 journals. Eighty percent of citations for large animal diseases were from 17 journals and 90% were from 25 journals. The Journal of the American Veterinary Medical Association provided 20% of total journal citations. 相似文献
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Salman MD Dewell R Willeberg P GrandMaison N Schoenbaum M Moothart T 《Preventive veterinary medicine》2007,80(1):82-86
We measured the potential impact of articles representing the International Symposium on Veterinary Epidemiology and Economics (ISVEE) plenary-session presentations in subsequent published literature. Between July 1, 2004 and November 9, 2004, we searched the Web of Science for citations in the scientific literature to all 99 plenary-session articles published in the proceedings of the previous nine ISVEEs (or in journal special issues dedicated to the ISVEE plenary articles). We used a 4-year window around the publication of each of the ISVEE proceedings. We located 187 citations for 37 (of the 99) articles. We infer that the ISVEE proceedings represent an important resource for veterinary epidemiology. 相似文献
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Dodson MV 《Journal of animal science》2008,86(10):2795-2796
In an era in which academic institutions are held more accountable, a problem, which does not seem to have an immediate resolution, exists: how does one demonstrate the quality of one's work? Specifically, how does one show that his or her research is making an impact and is thought to be important? A variety of measures of scientific journal article importance, reflected mostly by citation analyses, have been focused on as being potential gold standards. However, although several measures have been reported, keeping a record of citation of individual research papers, primarily due to the effort involved in finding accurate information, is not for wimps. 相似文献
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依托＂中国知网＂的海量文献信息,采用文献计量学方法,利用中国引文数据库、中国学术期刊网络出版总库对《中兽医医药杂志》2001-2010年的发文量、下载量、被引情况、高被引论文栏目及学科分布、作者分布情况、基金论文比等相关指标进行统计分析,探索其中的变化趋势,并对其原因进行分析,以期为编辑部调整办刊及经营策略、更加科学地选题组稿、优化版面及栏目设计等提供参考依据。 相似文献
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基于CiteSpace的植物根系分泌物研究现状和趋势 总被引：1，自引：0，他引：1
根系分泌物是植物与土壤之间物质交换和信息传递的重要载体。为深入了解植物根系分泌物研究的现状和发展趋势,本研究采用Web of Science核心合集数据库中1998-2020年间有关植物根系分泌物研究的相关文献4047篇,基于CiteSpace软件进行可视化文献计量学分析。结果表明：1）有关植物根系分泌物的发文量、篇均被引次数呈典型线性增长;2）中国、美国、德国、日本、澳大利亚和法国等是发文量居前的国家;3）中国科学院、南京农业大学、西班牙国家研究委员会、西澳大学等机构在发文总量、被引次数等方面优势明显。有关植物根系分泌物的研究涉及植物科学、土壤科学、农学、环境科学、微生物学和生态学等领域,最具代表性的是荷兰期刊《Plant and Soil》,发表文章最多（256篇）,h指数最高;4）植物根系分泌物的研究主要集中在根际、植物、土壤、有机酸、化感作用等方面。根据植物根系分泌物的研究现状,提出深入系统地研究根系分泌物介导下植物-土壤-微生物相互作用的方式与机理,揭示土壤微生态系统功能,定向调控植物根际生物学过程是近年来新兴的研究热点。 相似文献