| 2. | In this paper , the researches on the substitutions of ca - polyhedral , p - tetrahedral and channel positions in apatite structure are reviewed , the structural sites , substitution forms and mechanism of isomorphic ions are discussed , and the influence of the substitution of this mineral upon the environmental mineralogy is briefly described
摘要综述了作为重要环境矿物材料的磷灰石在钙位、四面体位和结构通道位置上类质同象替换的研究进展，讨论了替换离子的结构占位、替换形式和机理，并就替换对这种矿物在环境治理领域应用的影响进行了简要评述。 |
