| accelerator |
Substance that shortens the setting times of concrete and mortar. Accelerators, or accelerants, are added in cold weather when there is a danger of the concrete or mortar freezing before it can cure properly. Accelerators are considered admixtures. Chemical substance added to a mixture to speed up a reaction.
출처: www.peakagents.ca/glossary/a2.htm
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| accessory |
Device that supplements the usefulness of a system or machine. Natural feature, such as a rock formation, used as a reference point in surveying.
출처: www.peakagents.ca/glossary/a2.htm
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| accident |
is that occurrence in a sequence of events that produces unintended injury, death, or property damage. Accident refers to the event, not the result of the event (see unintentional injury).
출처: www.nsc.org/lrs/glossary.htm
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| acclimatization |
the physiological changes that allow the body to adapt or get used to the effects of a new environment, especially low oxygen saturation at higher elevations
출처: www.globalsecurity.org/military/library/policy/arm...
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| accelerometer |
A device used to measure the rate of change in velocity over a specific period of time. Measures the rate or "speed" of the tremor cycle.
출처: www.dbs-stn.org/glossary.asp
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