Astronomy and Astrophysics – Astronomy
Scientist
Astronomy and Astrophysics
Astronomy
Scientist
National Astronomical Observatoires, Chinese Academy of Sciences
National Astronomical Observatoires, Chinese Academy of Sciences, 100012, P.R. China
50-day Oscillation of Length-of-day Change
A note on the improvement of photoelectric astrolabes with adaptive optics.
A possible limit of variation of the length of the day before 29 centuries.
Anomalies of residual of Beijing photoelectric astrolabe and earthquakes occurred in the region around Beijing.
Deep research for relation of seismicity and tidal force in north-west China.
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