かく異性 いせい たい転移 てんいじゃありませんでした
kakui seitaiten'ijārimasendeshita

Noun
Desu Copula

The polite, past negative form of 核異性体転移

1. Was not nuclear isomer transition.; Was not a nuclear isomeric transition.

Past/Perfective
Negative
Polite
Terminal Form
Physics