| 单词 | ground state |
| 释义 | > as lemmasground state ground state n. [translating German grundzustand, lit. ‘fundamental state’] Physics the stationary state of lowest energy of a quantized system (as an atom or molecule). ΘΚΠ the world > matter > physics > quantum theory > raising energy level, excitation > [noun] > state of lowest level ground level1923 ground state1926 1926 H. H. L. A. Brose tr. A. J. W. Sommerfeld Three Lect. Atomic Physics ii. 35 To every electron in its ground state there belongs an original momentum s = ½. 1946 Nature 26 Oct. 593/2 To evaluate D for a diatomic gas, it is necessary to examine the vibrational energy-levels of the ground-state. 1963 B. Fozard Instrumentation Nucl. Reactors ii. 13 This is duly emitted as radiant energy as the excited electrons return to the ground state. < as lemmas |
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