Atmospheric Marine aerosol was derived from seawater gaseous substance soil dust ash fly from burning coal ash fly from burning fuel and industrial waste at dalian sea area.

结果表明，大连海域大气气溶胶物质主要来自海水、气态物、土壤尘、煤烟尘、燃油灰和工业废料。

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Canadian geologists have found evidence of coal char — "remarkably similar to modern coal fly ash" in their own words — in ancient Arctic rocks.

加拿大地质学家们在古老的北极岩石中发现了煤炭的证据，“象极了现代的煤灰”这是他们的原话。

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Fly ash uranium sometimes leaches into the soil and water surrounding a coal plant, affecting cropland and, in turn, food.

浮尘中含有的铀有时会溶入煤电厂周围的土壤和水体中，影响农田，进而影响食物。

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Further, the coal is low on sulfur and fly ash content, which increases its attractiveness.

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Or to extract germanium from the fly ash from the burning of coal.

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The concrete is often made with foam, fly-ash or other waste materials to make it lighter as well as cheaper.

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