Those include uncovering how bubble growth rates vary with the number of bubble sides and minimizing the surface area per unit volume.

比如探究气泡生长速率如何随气泡面的数目变化而变化，以及单位容量内使表面积最小化。

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It was found that the oxygen concentration on carbon black surface is proportional to the ozone supplied per unit area of carbon black surface.

研究表明，碳黑的表面含氧量与提供给单位碳黑表面的臭氧量成正比。

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The surface area of aggregate per unit volume of mortar does have influence on the mean value of the nearest surface spacing, but the ratio between them is not constant.

单位砂浆体积下集料的表面积的变化对邻近集料表面最近间距的平均值有影响，但二者之间的比值并非常数。

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Featuring sharp angles to take up less surface area, the compact main unit includes cardboard cushions to prevent any damage to furniture.

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They generally require the drillers to file a plan for royalty-sharing when the drilling permit is issued for a specific unit, based upon known geometry of hydrocarbon reservoirs and surface area.

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