农学 >>> 农药学 >>>
搜索结果: 1-2 共查到农药学 farmers相关记录2条 . 查询时间(0.031 秒)
Pesticides are chemical substances used in agricultural production to protect crops against pests. They help to achieve better quality and quantity of crops; however, they also are capable of causing ...
Medical examinations were performed in a group of 76 Polish farmers heavily exposed to grain dust during harvesting and threshing, and in a group of 63 healthy urban dwellers not exposed to organic du...

中国研究生教育排行榜-

正在加载...

中国学术期刊排行榜-

正在加载...

世界大学科研机构排行榜-

正在加载...

中国大学排行榜-

正在加载...

人 物-

正在加载...

课 件-

正在加载...

视听资料-

正在加载...

研招资料 -

正在加载...

知识要闻-

正在加载...

国际动态-

正在加载...

会议中心-

正在加载...

学术指南-

正在加载...

学术站点-

正在加载...