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John P. Schiffer fundamental processes; optical coherence tomography; ultrashort pulse generation in femtosecond and attosecond regions; frequency clocks; phase stabilization; optical communication; atmospheric science; lightning control; optical medical imaging; biological cell imaging; and metrology standards. .978-1-4419-2032-4978-0-387-25097-7Repetitions 发表于 2025-3-25 14:22:04
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Tritium as a Stratospheric Tracer,The radioactivity of tritium was established in 1939 by Alvarez and Cornog., who found that the radiation is of very short range and that the half life is long.Deference 发表于 2025-3-26 16:50:32
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