| ppb |
Parts per billion, a measure of concentration, such as parts of a chemical per billion parts of air or water. Ppb is one thousand times smaller than ppm.
출처: www.dhs.ca.gov/ohb/HESIS/utsgloss.htm
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| ppt |
A Microsoft PowerPoint document. It is binary but will work directly on any machine that has Microsoft PowerPoint or Apple Keynote. Note that neither of these products is free, so this is not a good distribution format.
출처: www.saugus.net/Computer/Extensions/Letter/P/
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| PPO |
A health-care provider that contracts with an employer or an employer group to provide health-care services to employees at competitive rates.
출처: www.crfonline.org/orc/glossary/p.html
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| PPO |
A health care arrangement between purchasers of care such as employers and insurance companies and providers offering benefits at a reasonable cost using incentives, such as lower deductibles and copays to get members to use providers within a network. Use of non-preferred physicians would involve a higher cost. Preferred providers must agree to specified fee schedules and are required to comply with certain utilization and review guidelines.
출처: www.insurance.wa.gov/consumers/glossary.asp
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| PPi |
the measure of the sharpness (that is, the density of illuminated points) on a television display screen.
출처: www.ket.org/dtv/glossary.htm
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