naptár Polgári átömlesztés ppb to ppm conversion Jelentőség Sarok abszorpció
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Measurement Units and Concentration Analogies 1 ppm = 1,000 ppb = 1,000,000 ppt 0.001 ppm = 1ppb = 1,000 ppt
SOLVED:The units of parts per million (ppm) and parts per billion (ppb) are commonly used by environmental chemists. In general, I ppm means 1 part of solute for every 10^6 parts of
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3.3.4. Parts per million (ppm) and Part per billion (ppb) – Wachemo University e-Learning Platform
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