strontium 90 แปลว่า
- สตรอนเซียม 90
ประโยค
Strontium 90, a radioactive isotope.
Strontium 90? Of course that's what you want.
What exactly are you going to do with 12 kilograms of strontium 90?
Strontium 90 isn't something you can just pick up at your local piggly wiggly.
Let's talk about strontium 90.