The qualities and size distributions of compositions corresponding to specified compositional distribution of FGM can be calculated via numerical simulations.

通过计算机数值模拟，可以计算要制备指定结构的功能梯度材料各组分的质量和粒度分布。

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Methods the spatial distribution of the compositional elements in incipient enamel caries was obtained by spot selection, line and map analyses with electron probe microanalysis technique (EPMA).

方法应用电子探针微区分析(EPMA)技术对初期釉质龋中化学成分的空间分布进行选定微区、线扫描及面扫描分析。

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Calculations include compositional analysis, charge distribution, identification of highly hydrophobic (transmembrane) segments, sequence repeats, and more.

成分分析，电荷分布，高疏水性基团，重复序列等的 计算分析。

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