| 41. | The cloud layer that masks Saturn's thick atmosphere consists of fine particles of frozen ammonia.
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| 42. | That one involves soot, the fine particles that are part of air pollution from industrial processes.
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| 43. | At certain velocities fine particles may fly into a cyclone and separated from the flue gas.
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| 44. | Fine particles come from vehicle exhaust, power plants, factories, refineries, brush fires and even living-room fireplaces.
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| 45. | What remains is very fine particles of gold.
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| 46. | The study of fine particles is called micromeritics.
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| 47. | Finer particles absorb more moisture, results in caking.
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| 48. | The fine particle size means tiny spaces in between, which retard water and air movement .)
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| 49. | If so, plutonium dioxide could be released into the atmosphere and fine particles could be released.
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| 50. | The government said most face masks were ineffective against the fine particles of pollution in the air.
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