About KAWAHARA YUTAKA
About KAWAHARA YUTAKA
About 京都工繊大 繊維科セ
About MINAMI HIDEAKI
About 京都市産業技術研
About SEKIGUCHI TAKAHIRO
About SATO AYUMI
About KUWABARA NOBUO
About 群馬県蚕糸技術セ
About 日本シルク学会誌
About silk gland
About cocoon
About content (quantity)
About Calcium
About Potassium
About rearing facilities
About silkworm
About Mineral content
About rearing facility
About Rearing methods of silkworms
About 飼育
About シーズン
About 絹糸腺
About 繭
About Ca
About 含有量