“extended x-ray absorption fine structure”的概念、定义、翻译、参考文献-科学参考

单词	extended x-ray absorption fine structure
释义	extended x-ray absorption fine structure [ik¦stend·ǝd `eks´rā ǝb`sȯrp·shǝn ¦fīn `strǝk·chǝr] ^PHYSICS A variation in the x- ray absorption of a substance as a function of energy, at energies just above that required for photons to liberate core electrons into the continuum; it is due to interference between the outgoing photoelectron waves and electron waves backscattered from atoms adjacent to the absorbing atoms. Abbreviated EXAFS.
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