| ppht | parts per hundred thousand |
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| ppt | parts per trillion; precipitation, precipitate; prepared |
| BPS | beats per second; Behavioral Pharmacological Society; biophysical profile score; bits per second; bo... |
| MMSP | malignant melanoma of soft parts |
| AAPCC | adjusted annual per capita cost; adjusted average per capita cost; American Association of Poison Co... |
| cycles per second | The number of successive compressions and rarefactions per second of a sound wave. The preferred designation for this unit of frequency is hertz. Acronym: cps (05 Mar 2000) |
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| Scholander, Per | <person> Norwegian physiologist, 1905-1980. See: Scholander apparatus, Roughton-Scholander apparatus, Roughton-Scholander syringe. (05 Mar 2000) |
| displacements per atom | (dpa) This is a measure of the amount of radiation damage in neutron-irradiated materials, for example, 10 dpa means each atom in the material has been displaced from its site within the structural lattice of the material an average of 10 times (due to interactions between the atoms and the energetic neutrons irradiating the material.) (09 Oct 1997) |
| Ling, Per Henrik | <person> Swedish hygienist, 1776-1839. See: Ling's method. (05 Mar 2000) |
| parts per million |
The number of "parts" by weight of a substance per million parts of water. This unit is commonly used to represent pollutant concentrations. Large concentrations are expressed in percentages.
출처: www.ec.gc.ca/water/en/info/gloss/e_gloss.htm
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| parts per million |
number of parts of a chemical found in one million parts of a solid, liquid, or gaseous mixture. Equivalent to milligrams per liter (mg/L).
출처: www.aquatechnologies.com/info_glossary.htm
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| parts per million |
Parts per million may also be expressed as micrograms per gram, milligrams per kilogram or milligrams per liter. A part per million is roughly equivalent to one teaspoon of water in a 21 foot diameter, 4 foot deep swimming pool.
출처: www.egr.msu.edu/tosc/glossary.shtml
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| parts per million |
Specifies the concentration by volume of a substance dispersed in another substance
출처: www.edp-uk.com/glossaries/terms.htm
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| parts per million |
A volume unit of measurement; the number of parts of a substance in a million parts of another substance. For example, 10 ppm nitrate in water means 10 parts of nitrate in a million parts of water.
출처: www.soil.ncsu.edu/publications/BMPs/glossary.html
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