知识贝壳
知识贝壳
所属栏目：矿物学专业术语
Definition: The couple of reflections h, k, l and ,, is called a Friedel pair, or Bijvoetpair. Their intensities are equal if there is no absorption,but differ otherwise. Friedel’s law thendoes not hold. Generally speaking,when absorption is prese ......（本文共 781 字 ） [阅读本文] >>