The first volume got translated a long time ago, but nothing for the rest.
And yes, it's a crude translation with many errors but I think it's comprehensible
https://www.mirrored.to/files/O0SBRXKU/translated-[Hideaki_Yoshikawa]Kagaku_Na_Yatsura_02_[吉川英朗]_カガクなヤツら第02巻.zip_links...