| ash |
Fine-grained material produced by a pyroclastic eruption. An ash particle is defined to have a diameter of less than 2 mm. See pyroclastic.
출처: www.lpi.usra.edu/publications/slidesets/mvolcan/gl...
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|---|---|
| ash |
fine pyroclastic fragments equal to or less than 4 millimeters in diameter. During volcanic eruptions, these very fine fragments render the eruption columns a characteristic deep brown to lead gray color.
출처: park.org/Philippines/pinatubo/page7.html
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| ASHA |
American Speech and Hearing Association.
출처: www.bcbsks.com/providers/glossary_content/ps_gloss...
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| ash |
Residual material that remains after a sample has been heated at 400-600 degrees C for a minimum of 8 hours. The remaining material is primarily inorganic minerals.
출처: web.aces.uiuc.edu/VIPS/v2Help/vGlossary.cfm
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| ash |
The amount of inorganic material in a lubricant, expressed as a percentage by weight.
출처: www.lubricatingsystems.com/info/lubricatingsystems...
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