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单词 k-shell
释义

K-shell

[ key-shel ]
/ ˈkeɪˌʃɛl /

noun Physics.

the first shell of electrons surrounding the nucleus of an atom and containing, when filled, two electrons having principal quantum number 1.
Compare L-shell, M-shell, N-shell.

Origin of K-shell

First recorded in 1965–70

Words nearby K-shell

krytron, KS, K selection, KSG, Kshatriya, K-shell, ksi, K star, KStJ, Kt, Kt. Bach.
Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020
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更新时间:2024/9/23 4:31:58