| 单词 | recoil track | 
| 释义 | > as lemmasrecoil track   recoil track  n. Physics a track in a particle-detecting device or system produced by recoil of a particle. ΚΠ 1923    Proc. Cambr. Philos. Soc. 21 408  				Some of the pictures which have been obtained show in a striking way the much greater density of the ionisation in the recoil tracks. 1930    E. Rutherford  et al.  Radiations from Radioactive Substances vi. 155  				At ordinary pressure, the recoil track is shown by a knob at the end of the track. As the pressure is reduced, the recoil track becomes longer and often shows evidence of a marked scattering. 1997    Radiation Measurem. 28 495  				The proton and heavy charged particle recoil tracks..were made visible by etching in NaOH solution. < as lemmas | 
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