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Optimization of ablation protocol for 200 nm UV femtosecond laser in precise U–Pb age dating coupled to multi-collector ICP mass spectrometry
laser ablation UV-femtosecond zircon U–Pb dating
2017/4/12
The ablation protocols for 200 nm ultra violet-femtosecond laser ablation (200FsLA)—inductively coupled plasma
mass spectrometry (ICPMS) have been examined using a quadrupole ICPMS and applied to zir...
Most precise test yet of Einstein's gravitational redshift（图）
most precise test Einstein's gravitational redshift
2010/3/4
While airplane and rocket experiments have proved that gravity makes clocks tick more slowly — a central prediction of Albert Einstein's general theory of relativity — a new experiment in an atom inte...