摘要
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 。
There were some 1 699 papers published about Chinese jujube ( Ziziphus jujuba Mill.) which were distributed in 344 kinds of domestic scientific and technical periodicals from 1950 to 1998. The time, periodicals and contents distribution of these papers, and the periodical distribution of their content were analyzed. The distribution characters, the nuclear periodicals and research units as well as the nuclear periodicals on different research fields were put forward. This paper also pointed out that much more research work should be done on breeding and processing of Chinese jujube.
出处
《河北农业大学学报》
CAS
CSCD
北大核心
2000年第1期40-43,共4页
Journal of Hebei Agricultural University
基金
国家自然科学基金资助项目! (396 70 5 2 0
39970 5 2 3)
河北农业大学"981 6"项目资助
关键词
中国
枣树
统计
分析
科技论文
文献研究
China
Chinese jujube ( Ziziphus jujuba Mill.)
research papers
statistics
analysis
