The particle volume increases by 37% after alkali and acid treatments, and the average number of hollows per particle is 8.

透射电镜结果表明，碱、酸处理后胶粒体积增大了37%，平均每个胶粒上有8个微孔。

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Taking account of the interaction among limited distance neighbored chains, dipolar interaction energy per particle U for various structures is calculated.

采用近邻相互作用近似方法，计算了悬浮于液相中旋转椭球颗粒在外场下形成的不同结构的电偶极矩相互作用能。

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There must exist an average speed of molecules, just as in a large human community there exists an average age, or an average wealth. There will therefore be an average kinetic energy per particle.

在这样的气体中的分子必定有一个平均速度，正如在人类社会中有平均年龄和平均收入一样，因此也必定有粒子的平均动能。

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We then ranked these areas equally based on number of per capita fatal car accidents, amount of particle pollution and length of travel delays.

FORBES: ? AP Photo/Don Ryan

Cofounder Platz found that spray drying, a method of dehydration used to make powdered milk, produced a consistent particle, but the testing equipment was designed to make only a few grams per day.

FORBES: The Impossible Made Possible

Not only do commuters in Southern California inhale the worst year-round particle pollution levels, but Riverside drivers also face the highest rate of fatal auto accidents per capita, and Los Angeles drivers spend the most time sitting in traffic.

FORBES: Magazine Article