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初基胞约化处理是重构点阵和确定未知晶体Bravais点阵的一个重要环节,原始数据的测量误差和计算引入的积累误差给初基胞约化处理造成困难和不确定性.为此,提出了一种新的约化胞分类法及其约化处理的判据,并给出了对称约化胞与Bravais点阵之间的对应关系.与Niggli约化处理相比,对称约化处理方法更为简捷和合理.
Primer reduction is an important step in reconstructing the lattice and determining the Bravais lattice of the unknown crystal. The measurement error of the original data and the calculation of the accumulated errors introduce difficulties and uncertainties to the initial cell reduction. , A new reduction method based on reductant and its reduction criteria are proposed and the corresponding relations between Symmetry reduction cells and Bravais lattice are given.Compared with Niggli reduction, The treatment method is more simple and reasonable.