During or after precipitation event, Hg emission flux increased.

降水期间或降水后期地表汞释放通量明显增加。

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A colloid that is not easily precipitated from a solution and is readily dispersible after precipitation by an addition of the solvent.

这种胶体不容易从溶液中沉淀出来，并且在加入溶剂使它沉淀以后很容易地分散。

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In addition to wind speed, relative humidity was the se cond significant influential factor for head fire speed in sunny days, and atmosphere temperature had significant influence after precipitation.

除风速外，晴天时相对湿度对头火速度影响较大，降水后大气温度对头火速度影响较大。

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One study showed that extreme precipitation increased by 4% per year after dams were built.

BBC: Reservoirs can make local flooding worse, says study