Русско-английский научно-технический словарь
превращаться в конечном счёте в
• Uranium-235 and uranium-238 decay successively into other radioactive elements until they finally end up as nonradioactive isotopes of lead.
Русско-английский научно-технический словарь
• Uranium-235 and uranium-238 decay successively into other radioactive elements until they finally end up as nonradioactive isotopes of lead.