| ppb |
parts per billion.
출처: www.deh.gov.au/soe/2001/coasts/glossary.html
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|---|---|
| ppt |
Moisture falling from the atmosphere in the form of rain, snow, sleet or hail.
출처: www.deh.gov.au/settlements/industry/finance/glossa...
|
| ppm |
parts per million; a measure of concentration.
출처: www.mycolog.com/GLOSSARY.htm
|
| ppb |
Parts per billion; a measure of concentration. May represent the concentration of a residue in soil, water or whole animals. For example, one ppb is equivalent to one second in 32 years.
출처: www.uoguelph.ca/GTI/urbanpst/glossn_z.htm
|
| PPE |
Personal Protective Equipment used at work (eg. hard hat, safety boots, respirator, gloves, etc.).
출처: collections.ic.gc.ca/worker/glossary.htm
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