论文部分内容阅读
从 1 95 0年至 1 998年 ,在国内 34 4种科技期刊上共计发表了约 1 6 99篇枣树论文。通过对这些论文的年代分布、期刊分布、内容分布及内容的期刊分布进行统计分析 ,提出了枣树论文的年代分布特征、内容分布特点、发表枣树论文的核心期刊和核心单位、以及各研究领域论文的重点期刊 ,指出品种选育和加工是枣树研究的薄弱环节
From 1995 to 1998, a total of 1, 690 jujube essays were published in 34 4 kinds of sci-tech periodicals in China. Through the statistical analysis of the age distribution, periodical distribution, content distribution and periodical distribution of these papers, this paper puts forward the age distribution characteristics and content distribution characteristics of jujube papers, publishes the core journals and core units of jujube papers, Field journals key periodicals, pointed out that breeding and processing of varieties is the study of jujube weak links