农药残留检测仪加热系统设计和实现 计算机科学与技术专业

目录摘要、关键词·······································································3第一章绪论··········································································3（一）研究背景·································································3（二）目的及意义······························································4（三）主要内容·································································4第二章农药残留简介······························································5（一）农药残留··································································5（二）产生原因··································································6（三）目前发展状况····························································4第三章残留农药····································································6（一）残留农药··································································6（二）残存农药的危害························································6（三）最大残留限量···························································7第四章残留农药检测方法·········································...