primary cosmic rays

primary cosmic rays

See cosmic rays.

primary cosmic rays

[′prī‚mer·ē ¦käz·mik ′rāz]
(nuclear physics)
References in periodicals archive ?
2] in the first week, the order of primary cosmic rays hitting an embryo before the end of the first week is ~1.
In addition to existing cosmic rays, there is a possibility of the production of secondary rays, which could result from the interaction of primary cosmic rays and the structural materials of the spacecraft or space station.

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