| 单词 | energy spectrum |
| 释义 | > as lemmasenergy spectrum energy spectrum n. the range of energy values possessed by a collection of particles, vibrations, etc.; the distribution of the energies of particles, vibrations, etc., over a range of values. ΚΠ 1884 S. P. Langley Researches Solar Heat xi. 134 Unless we could form an energy spectrum from heat of some such degree as this, and determine the maximum ordinate of its curve, we should..be unable to determine the approximate wave-length of the heat in question. 1936 N. Feather Introd. Nucl. Physics x. 153 The emission of radiation (having a discrete energy spectrum). 1970 Look 6 Oct. 90/2 Four primary brain-wave patterns have been identified using this technique—delta, theta, alpha and beta, all contained within a total energy spectrum of about 0 to 40 cycles per second. 2004 New Scientist 7 Aug. 28/3 Such a detector could also test the georeactor theory by looking at the energy spectrum of antineutrinos from the core. < as lemmas |
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