超晶格的至少一个层组可以是基本上未掺杂的。
At least one group of layers of the superlattice may be substantially undoped.
实验结果表明,酞菁掺杂未对二氧化硅凝胶基质的组成和结构产生影响,复合干凝胶呈现完全均一化的非晶态结构。
The results show that MPc does not affect the component and structure of silica xerogel matrix and the matrix prove to be homogeneously non-crystal structure.
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