介电式农业种子清选机原理分析任桂军辽宁省农业机械化研究所１前言介电式农业种子清选机采用介电分离法，利用不同子粒间的导电性、电介质渗透性和极化程度不同完成清选作业，因这些电特性与子粒中的化学成分和生物学性质有密切关系，因而能清选成熟度最好的种子，并可提... Dielectric agricultural seed cleaning machine principle analysis Ren Guijun Liaoning Provincial Institute of Agricultural Mechanization 1 Introduction Dielectric agricultural seed cleaning machine using dielectric separation method, the use of different inter-particle conductivity, dielectric permeability and polarization degree is completed Cleaning operations, because of these electrical properties and the chemical composition and biological properties of seeds are closely related, which can clear the maturity of the best seeds, and can mention ...