supported by the Strategic Priority Research Program(B)of CAS(XDB41000000);Pre-research Project on Civil Aerospace Technologies No.D020202 is funded by the Chinese National Space Administration(CNSA)and Chinese NSF projects(42130114)。
With significant advances in mass spectrometry for isotope analysis in the last decade,e.g.,negative thermal ionization mass spectrometry and multi-collector inductively coupled plasma mass spectrometry,high-precision...
co-supported by the National Natural Science Foundation of China (Nos. 41427804, 41421002, 41373004);Program for Changjiang Scholars and Innovative Research Team in University of China (No. IRT1281);the MOST Research Foundation from the State Key Laboratory of Continental Dynamics
High-purity N2 was used to increase the mobile phase flow rate during ion purification of ion-exchange resin. This was performed to improve the efficiency of isotope separation and puri- fication, and to meet the effi...
supported by funds from the National Natural Science Foundation of China (No. 41521062, 41490631)
1 Introduction The short-lived 182Hf-182W system is generally acknowledged as the best chronometer of metal-silicate segregation that occurred during the early evolution of asteroids and terrestrial planets due to its...