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利用文摘统计法,对内燃机专业文献进行了统计分析,用布拉德福曲线和布鲁克斯方程表明了学科的研究主题与文献量之间的关系,同核心研究主题与核心期刊的存在规律相似,可以用与确定核心期刊相似的方法来确定。
Statistical analysis of professional literature of internal combustion engine was made by using abstract method of statistics. The relationship between subject and literature volume of subjects was shown by Bradford curve and Brooks equation. Similar to the existing laws of core research subject and core journal, It is determined in a similar way to identifying core journals.