帯化 is read as たいか (taika) and means fasciation.
たいか
taika
たい
band (e.g. conduction, valence)
おび
cingulum
おびる
to be entrusted (e.g. with a mission)
おびふう
wrapper band
おびひろしょうねんいん
Obihiro Reform School
たいぶんすう
mixed fraction
おびひろおおやたんきだいがく
Obihiroooya Junior College
たいでんたい
charged body
たいしゅつ
taking out (e.g. a book from a library)
たいどう
taking (someone) along
おびじ
obi cloth or material
たいいきよやく
bandwidth reservation