The minimum core size that can result in stable petrophysical parameters may be defined as the characteristic scale of rock continuity.

物性参数分析值不发生剧烈变化的最小岩心尺度，称作岩石的连续性特征尺度。

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The iron core size was 15 nm and the formation of Fe(3)O(4) crystal in SPIO nanoparticles was confirmed by X-ray diffraction (XRD) analysis.

经X射线衍射分析证实，铁核的大小为15纳米，在SPIO 纳米颗粒中形成了Fe3O4晶体。

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Casting SUS430 stainless steel with cooling nozzle that has proper homogeneous core size was simulated to investigate the optimum design of cooling nozzle.

为了开发同质芯冷却水口，采用适宜规格同质芯冷却水口对SUS430铁素体不锈钢进行板坯模拟试验研究。

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Aggregated population statistics and data on GDP per capita and disposable income correlate poorly with the size of specific income segments, a core determinant of the attractiveness of consumer markets.

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