Examples of using Average concentration in English and their translations into Vietnamese
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Colloquial
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Ecclesiastic
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Computer
That's the average concentration on Earth.
In a highly affected rural area,the groundwater used directly as drinking water had an average concentration of 430 μg/L.
The average concentration of sevoflurane to achieve MAC in an 80 year old is approximately 50% of that required in a 20 year old.
In northern industrial regions, average concentrations are much higher.
The average concentration is usually taken to be 3.5 percent, with about three-quarters of the total in the form of sodium chloride.
And even as the instruments in Hawaii indicated that wehad reached the milestone, the global average concentration of CO2 was a few points lower.
With an average concentration of 1 part per billion(ppb), rhenium is one of the rarest elements in the Earth's crust.
The Occupational Safety and Health Administration(OSHA)requires that workers not be exposed to an average concentration of more than 0.10 ppm for 8 hours.
The average concentration of sevoflurane, USP to achieve MAC in an 80 year old is approximately 50% of that required in a 20 year old.
Anyang, a coal and steel producing city in Henan province,was the worst performer over that period, with average concentrations at 124 micrograms, up 27 per cent.
On a positive note, researchers noted that the annual average concentrations of air pollutants, including fine dust and ultrafine dust, have declined at the monitoring sites.
For any given hour the AQHI is calculated from the sum of the percentage excess risk of dailyhospital admissions attributable to the 3-hour moving average concentrations of these four pollutants.
The average concentration of magnesium phosphate in bones is about 1%, in teeth about 1.5%, in elephant tusks 2% and, in the teeth of carnivorous animals designed to crush bones, it is 5%.
In North America,46% of samples analyzed tested positive for fumonisins at an average concentration of 2187 parts per billion ppb in 2016, reaching 52% of samples at an average of 2441 ppb in 2017.
Coal contains a small amount of radioactive uranium, barium, thorium and potassium, but, in the case of pure coal,this is significantly less than the average concentration of those elements in the Earth's crust.
A municipal government spokesman told Xinhua that the annual average concentration of PM 10, or particles 10 microns in diameter or smaller, had dropped by 4 percent in 2012, compared with one year earlier.
While the prevalence of erythromycin residues in this recent survey is less than reported in our previous survey conducted seven years ago(Paulus-Compart et al., 2013), the concentration of the erythromycinresidue in our current survey was greater than the average concentration(0.35 ppm) of erythromycin residues observed in our previous survey.
The new ozone standard is set for average concentration over an eight-hour period, and particulate standards are set for the new category of PM2.5, or particulate matter 2.5 microns in size and smaller.
Emergency reduction measures come into force between 9 a.m. and6 p.m. the day after the average concentration of PM2.5 exceeds 50 micrograms per cubic meter and is forecast to surpass the level for the next 24 hours.
In 2018, global average concentrations of the greenhouse gas, which is a byproduct of burning fossil fuels, reached 407.8 parts per million, which means for every 1 million molecules of gas in the atmosphere, nearly 408 were.
Hundreds of flights were cancelled andhighways closed across northern China over the new year holiday as average concentrations of small breathable particles known as PM2.5 soared above 500 micrograms per cubic metre in Beijing and surrounding regions.
China cut average concentrations of hazardous particles known as PM2.5 to an average of 39 micrograms per cubic meter last year, down 9.3 percent from 2017 after a campaign to curb coal use and improve industry and vehicle standards.
The proposed revised rulewould eliminate the limit on the allowed annual average concentration of PCBs and reduce the maximum PCB concentration allowed in manufactured or imported products to less than 1 ppm.
China cut average concentrations of hazardous particles known as PM2.5 to an average of 39 micrograms per cubic metre last year, down 9.3 per cent from 2017 after a campaign to curb coal use and improve industry and vehicle standards.
Taking secondary organic aerosols into account,the researchers' model predicted significantly higher average concentration values of biomass burning organic aerosols than less-sophisticated models- 66% higher in April and a little more than 100% higher in July and September.
They said the annual average concentration of PM2.5 in London in 2013 was 15.3 μg m3, and estimated that reducing London's annual average PM2.5 concentration by 10% would prevent approximately 90 babies(3%) being born at term with low birth weight each year in London.
It's not all bad news though:74 major Chinese cities have seen the annual average concentrations of particulate matter, sulphur dioxide and nitrogen dioxide, decrease since 2014 although the Chinese government's“war on air pollution” has received criticism.