About KOSEGAWA EIICHI
About 農業生物資源研
About KOBAYASHI HAJIME
About 農業生物資源研
About MISAWA TOSHIHIKO
About 農業生物資源研
About 蚕糸・昆虫バイオテック
About shellac
About egg-laying
About Paper
About acid resistance
About silkworm
About development
About Coccoidea
About Hydrochloric Acid
About resistance (endure)
About Temperature
About heat treatment condition
About strength
About Friction
About heat treatment temperature
About frictional strength
About invertebrate
About ラックカイガラムシ
About 塩酸耐性
About 産卵台紙
About 耐酸紙
About Rearing methods of silkworms
About Machines and facilities for rearing management
About シェラック
About 耐酸性
About 産卵
About 開発