| 1. | Qualitatively, the aerosols appear dense with a moderately narrow particle size distribution.
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| 2. | After calcination the flint pebbles were milled to a fine particle size.
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| 3. | The relationship between retention and particles size is not a step function.
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| 4. | Thus there is an optimum angle of detection for each particle size.
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| 5. | Moreover, the size of the grain boundaries scales directly with particle size.
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| 6. | The particle size will be used as part of the filter description.
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| 7. | Plus, a larger particle size will not penetrate deep in the lungs.
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| 8. | The powder is screened through rotary screens to deliver the required particle size.
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| 9. | This is due to the inverse relationship between chemical concentration and particle size.
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| 10. | For other processes affecting particle size, see rain and cloud physics.
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