正斜方晶结构
it is indicated that the shell is composed of calcite with rhombohedral structure as well as aragonite with orthorhombic structure.
研究表明:香螺壳体主要由方解石构成,其次为具有正交晶系结构的文石。
all the samples analyzed by xrd are orthorhombic structure.
结果表明,实验样品具有正交对称性结构。
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