Examples of using Ppb in English and their translations into Russian
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Official
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Colloquial
Median AOT40, ppb*h.
Purity: Up to 1 ppb O2 residual for electronics fabs.
Source Sample Source characteristic Hg in water, ppb.
The excess was less than 3 ppb for 70- 80% of the population.
SOMO35 sum of mean 8-hour ozone concentrations above 35 ppb.
Decreasing the content of TOC substances below 5 ppb by using a special UV-lamp IWA 20 model.
Refinery wastewater generally has a low mercury content of around 1 ppb.
Each drop that discolours means 0,1 ppm(=100 ppb) dissolved hydrogen gas.
AOT40(ppb h) estimates obtained for individual level II sites for the period 2000- 2004.
Mean concentrations were below 60 ppb at all sites.
The concentration of the ions in ppb is then calculated from this conductivity measurement and displayed.
SOMO35(sum of mean 8-hour ozone concentrations above 35 ppb), and others.
An AOT40 of 200 ppb.h over five days when mean vapour pressure deficit(VPD)(0930-1630 h) is below 1.5 kPa;
Four sites recorded AOT40 values of over 20,000 ppb.h.
For mercury levels between 5 and 100 ppb in liquids, it may be necessary to determine the species of mercury present.
It was recommended that calculation of impacts be based on concentrations greater than 70 ug m- 3 or 35 ppb.
This can be converted to an odds ratio of 1.04,compared with 1.07 per ppb NO2 for the single-pollutant model.
A maximum feasible reduction for CH4, NOx, CO andVOC would reduce northern hemispheric ozone by 6-9 ppb.
With the Besseling ethylene converter, an ethylene level of 1 ppb(0.0000001%) can be achieved without making use of chemicals.
Department of Agriculture in Stoneville, Mississippi, extruded cottonseeds spiked with Aflatoxin in excess of 650 ppb.
Meanwhile, high concentrations(> 35 ppb or 70 ug/m3) of ozone lead to about 32,000 premature deaths per year.
It should be noted that the coefficients in the APHENA study were based on the whole range of observed O3 concentrations,including levels below 35 ppb.
The average mercury content of petroleum coke is around 50 ppb, and the mercury is generally present as mercury sulfide or mercury selenide.
Our extensive product lineup can respond to the diverse needs of various applications with wide detection ranges from minute ppb levels to 100% by volume.
The use of a cut-off for integrated assessment modelling at 35 ppb was recommended, which corresponded roughly with the background ozone concentration.
Our experience with cottonseed extruded through a high shear extruder resulted in 58% reduction of Aflatoxin B1 from a level of 120 ppb to 50 ppb.
For high-risk sources,with mercury concentrations of more than 100 ppb, detailed speciation, frequent monitoring and stringent controls are required.
In October 1981, 6 years after production ceased,chlordecone water concentrations ranged from not detectable to 0.02 μg/L(ppb) Lunsford et al., 1987.
Whilst with mercury electrolysis up to 2ppm of calcium were permitted in the brine, 10 ppb at most are allowed with the membrane electrolysis- that‘s 200 times less!
These products are capable of reducing the level of substances such as hydrocarbons, hydrogen, oxygen, carbon monoxide orsulphur compounds, in some cases to parts per billion ppb.