| parts per million |
a ratio figure that represents the amount of one substance that is in one million parts of another substance; commonly used to describe the relative concentrations of nutrient solutions.
출처: www.growingedge.com/basics/glossary.html
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| parts per million |
a unit of measurement (for dissolved oxygen) equal to a mg/l.
출처: www.catskillcenter.org/programs/csp/H20/glossary1....
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| parts per million |
A measurement used to calculate the "parts per million" or "pounds per million pounds" of the chlorine, hardness, and alkalinity in your pool water. PH - The total of acid or alkaline particles in the water. The recommended ideal range is pH 7.2 to 7.6. PHENOL RED - An indicator reagent used with your test kit to determine the pH of pool water.
출처: www.httg.com/spa_glossary.htm
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| parts |
The practice of publishing novels in separate monthly installments in magazine format.
출처: www.ballandcross.com/index.php
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| parts per million |
One part per million corresponds to one minute in two years or a single penny in $10,000.
출처: www.astoria.or.us/water/definitions.html
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