Uranium and thorium isotopes and sedimentation rates in metalliferous sedimen...
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Isotopic compositions of uranium (234U and 238U) and thorium (230Th and 232Th) were measured in metalliferous sediments from the western flank of the East Pacific Rise at...
已在取自东太平洋海隆（East Pacific Rise）西翼的……处的金属沉积物中，测定了铀（234U、238U）与钍（230Th、232Th）的同位素组成
