略語大辞典 [Opt] 29 PREP plasma rotating electrode process プラズマ回転電極プロセス. ベリリウム粉末の製造方法.plasma rotating electrode process; for the production of high-purity, low-oxide, spherical beryllium powder for optical applications; the spherical powders have good flow properties and high tap densities leading to greater 丸善「略語大辞典」JLogosID : 11856509