~60C_o—γ射线是一种波长很短,能量很高,肉眼看不见的电磁波,用它杀虫具有穿透力强、高效能、无污染、无残毒等优点。白蚁危害的面很广,库存药材、食品、档案、图书、衣物等等,都可能被它直接食害,或在其内营巢、筑路。用化学剂来防治白蚁会污染环境及库存物品,有的化学药 ~60C_o—γ-ray is a kind of electromagnetic wave with very short wavelength, high energy and invisible to the naked eye. Using it to kill insects has the advantages of strong penetration, high efficiency, no pollution and no residue. Termite harm is very widespread. Stocks of herbs, food, archives, books, clothing, etc., may be directly harmed by it, or nests and roads may be built inside. Use of chemicals to prevent termites from contaminating the environment and inventory, and some chemicals