A new conception, average powder density defined as the powder quantity clad on unit area of substrate surface has been put for ward.

提出了粉末分布密度这一新概念，即同步送粉激光熔覆时基体单位面积上分布的覆层粉末质量。

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First, teach you how to find accurate peak power micro marketing people, through their method, make the product customers active in need I add you, let my precision powder quantity increase!

第一，【顶峰助力微营销】教你怎么找精准人群，通过他们的方法，让对我产品有需要的客源主动加你，让我的精准粉数量提高！

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I prepare a solution using powder from a bag and get two to three times as much in quantity.

我用一袋药粉配制了农药溶液，数量增加了两三倍。

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Mr. Weimer of Phantom Fireworks in Youngstown, Ohio, said that his company believes that the quantity of powder in the fireworks wouldn't have been nearly sufficient to produce the Boston blasts.

WSJ: Boston Bombing Suspects Roused by Jihadist Thought