Unit of measurement based on number of particles.
Синонимы
Examples for "ppm "
Examples for "ppm "
1 For diesel fuel, the limit for benzene was set at 350 ppm .
2 This brings the threshold of 450 ppm closer sooner than had been anticipated.
3 In contrast, 250 ppm Pb-treated males did not differ in these endpoints.
4 The US Food and Drug Administration limits vomitoxin in food to 1 ppm .
5 Many locations rejected wheat with levels of 10 ppm and higher.
1 However, the precisions demonstrated so far have been lower than one part per million .
2 Unfortunately he was also Swiss, which diluted the fervency thing to some minuscule part per million .
3 Public drinking water in a concentration of one part per million can reduce dental decay by over 65 per cent.
4 The concentration would change from one part per million at one minute to half a part per million at two minutes.
5 Fluoridation, implemented as a means of reducing tooth decay, involves adding one part per million of fluoride to the water supply.
1 Jim's voice said, They took air samples, measured in parts per million .
2 And just how many parts per million carbon dioxide are too many?
3 The United States allows 10 parts per million of DPA residues in food.
4 Atmospheric carbon dioxide has not dropped below 250 parts per million .
5 Sometimes the data were reported in percentages and sometimes in parts per million .
6 Transneft allows no more than 10 parts per million (ppm) of organic chlorides.
7 That corresponds to a rise in atmospheric carbon to 430 parts per million , or ppm.
8 He did not see things in parts per million .
9 Carbon dioxide now sits at 400 parts per million .
10 Many types of fish struggle or die when oxygen is below 5 parts per million .
11 Five of these patients received prolonged treatment with NO at 20 parts per million or less.
12 It is also continuing to rise at a rate of about two parts per million every year.
13 On the present course, it could be 800 parts per million by the end of the century.
14 He added: Already levels of CO2 have exceeded 400 parts per million .
15 But installing systems large enough make a dent in all those parts per million is functionally impossible.
16 Only a few parts per million of ammonia would be enough to offset the faint young sun.
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Translations for parts per million