浙江大学学报(理学版)2012,Vol.39Issue(2):159-161,3.DOI:10.3785/j.issn.1008-9497.2012.02.007
药物防治害虫的动力学行为
Kinetics of pest control with pesticide
摘要
Abstract
The crops suffer from frequent pest damages in agriculture, and people often sprinkle pesticide to kill pests. The paper proposes the model of pests control with pesticide to study the kinetic evolution behaviors of pests. In the model, the pests aggregates grow by monomer birth, meanwhile the fragmentation of the pest aggregates occur due to the spread of pests. Due to pesticide, the pests aggregates also minish. The kinetic revolution behaviors of pests are investigated by the rate equation approach based on the mean-field theory. It is found that only the initial amount of the pesticide Bo is greater than or equal to Bc, the pests can be killed off exponentially. Otherwise, the pests will increase exponentially, and the pesticide will be used up.关键词
动力学演化行为/药物杀虫/主方程/标度律Key words
kinetic evolution behavior/ pest control with pesticide/ rate equation/ scaling law分类
数理科学引用本文复制引用
尹铭,朱标,李红,陈晓婷..药物防治害虫的动力学行为[J].浙江大学学报(理学版),2012,39(2):159-161,3.基金项目
国家自然科学基金资助项目(10875086,10775104). (10875086,10775104)