YOU SAID:
As protactinium(IV) oxide, like other protactinium compounds, is radioactive, toxic and very rare, it has no known technological use.
INTO JAPANESE
酸化プロタクチニウム(IV)は、他のプロタクチニウム化合物と同様、放射性で毒性があり、非常に希少であるため、技術的な用途は知られていません。
BACK INTO ENGLISH
Protactinium (IV) oxide, like other protactinium compounds, is radioactive, toxic, and extremely rare, so it has no known technical uses.
INTO JAPANESE
酸化プロタクチニウム (IV) は、他のプロタクチニウム化合物と同様、放射性で毒性があり、非常に希少であるため、技術的な用途は知られていません。
BACK INTO ENGLISH
Protactinium (IV) oxide, like other protactinium compounds, is radioactive, toxic, and extremely rare, so it has no known technical uses.
That didn't even make that much sense in English.