乳制品微波介电性能的测量  

Measurement and Analysis on Microwave Dielectric Properties of Dairy Products

作　　者：鲁勇军[1] 朱彤[1] 郭亚峰[1] 

机构地区：[1]中国医学科学院基础医学研究所,北京100005

出　　处：《食品科学》2000年第9期8-11,共4页Food Science

基　　金：国家教育部回国人员科研资助!1999

摘　　要：采用同轴传输线反射法介电特性测量系统，在25±0．5℃下对几种市售黄油、奶酪、酸奶和牛乳的微波频率（2，2．45，3GHz）介电常数和电导率进行了测定，测量结果为相关研究和应用提供数据。The coaxial line transmission and reflection method was applied to set up the dielectric measuring system.The permittivity and conductivity of commercial dairy products including butter.cheese.yogurt and milk had been measured at 25±0.5℃ at microwave frequencies of 2,2.45,3GHz.The results might provide the available bank of dielectric data on dairy products.

关 键 词：乳制品 介电常数 电导率 微波 测量 

分 类 号：TS252.7[轻工技术与工程—农产品加工及贮藏工程]