https://racetab.org/2024/10/03/after-centrifugation-at-15000-rpm-for-10-min-radioactivities-in-the-supernatants-were-determined-as-described-above/
After centrifugation at 15,000 rpm for 10 min, radioactivities in the supernatants were determined...
in thecentrifugationrpmminradioactivities