延津县

  • 网络Yanjin County
延津县延津县
  1. 延津县风沙土及其改良利用

    Studies on Amelioration and Utilization of Blown-sand Soil in Yanjin County

  2. 延津县沙荒地的开发与治理

    Development and Rehabilitation of Sand Wasteland in Yanjin County

  3. 延津县农田投能与提高投能效率的途径

    Energy Input into Farmland and the Way to Improve Energy Efficiency in Yan Jing County

  4. 县域中小企业人力资源开发策略研究&以延津县为例

    A Study on How to Develop HR of SMEs in Counties & Taking an Example of Yanjin County

  5. 应用余弦模型对延津县1988~1997年农药中毒季节性特征进行了分析。

    By means of cosine model , the seasonal characteristics of pesticide poisoning happening in Yanjin county during the period from 1988 to 1997 were analyzed .