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русский
миллионная доля
португальский
parte por milhão
каталонский
part per milió
испанский
partes por millón
Unit of measurement based on number of particles.
ppm
parts per million
unit of concentration
parts-per notation
ucum derived unit
русский
миллионная доля
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.
6
Experiments showed that adding fluoride to drinking water at a concentration of one
part
per
million
can reduce dental decay by over 65 per cent.
7
Jim's voice said, They took air samples, measured in
parts
per
million
.
8
And just how many
parts
per
million
carbon dioxide are too many?
9
The United States allows 10
parts
per
million
of DPA residues in food.
10
Atmospheric carbon dioxide has not dropped below 250
parts
per
million
.
11
Sometimes the data were reported in percentages and sometimes in
parts
per
million
.
12
Transneft allows no more than 10
parts
per
million
(ppm) of organic chlorides.
13
That corresponds to a rise in atmospheric carbon to 430
parts
per
million
,
or ppm.
14
He did not see things in
parts
per
million
.
15
Carbon dioxide now sits at 400
parts
per
million
.
16
Many types of fish struggle or die when oxygen is below 5
parts
per
million
.
русский
миллионная доля
частей на миллион
пропромилле
долей на миллион
португальский
parte por milhão
каталонский
part per milió
испанский
partes por millón
ppm