After undergoing flashing and expansion on a solid-particle pore diameter expansion device limestone particles were investigated for their desulfurization performance on a gas-flow reactor.

将在固体颗粒孔径增扩仪上进行孔径闪蒸增扩后的石灰石颗粒，在气流反应器上进行了脱硫试验研究。

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In a reversal of current design trends the MIT concept increases the bypass ratio by minimizing expansion of the overall diameter of the engine and shrinking the diameter of the jet exhaust instead.

与现行设计趋势相反，麻省的概念通过最小化发动机总体直径的尺度以及相应缩小喷气排放直径来增加涵道比。

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The factors influencing the corrosion depth including the porous volume of concrete, thickness of concrete cover, diameter of rebar and the corrosion expansion rate are analyzed.

分析了影响混凝土保护层胀裂时钢筋锈蚀深度的各个因素，包括混凝土水泥石毛细孔的体积、混凝土保护层的厚度、钢筋直径和铁锈膨胀率。

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