234 U. 246 ka a. 230 Th. 75 ka a. 232 Th. 14 Ga a. 1.6 ka a. 3.8 d a. a, b-. 3.1 m. 214 Pb b-. 27 m. 231 Th. 1 d b-.
ABSTRACT The uranium isotopes 235U and 234U are found naturally activity ratio 234U in natural uranium may vary as a consequence of decay.
Abstract. The aim of the work was to determine the concentration of 234 U and 238 U and calculate the values of the 234 U / 238 U activity ratio in samples of living.
234U - backgammon