Sentences with phrase «particles per cubic meter»

He then simulated the effect of long - term exposure to increased air pollution (of 10 micrograms of small particles per cubic meter) on mortality.

Experimental devices have produced ion temperatures as high as 45,000 electron volts and densities of approximately 1020 particles per cubic meter, sufficient for fusion reactors.

Not exact matches

The city recorded 151 micrograms per cubic meter of the most dangerous particles.

When concentrations of very small particles of wood smoke pollution (smaller than 2.5 microns, a.k.a. «PM 2.5») reach above 10 micrograms per cubic meter, researchers find a 7 percent increase in asthma inhaler refills.

A peak microplastics concentration was measured at Rees on the Nederhijn, where 3.9 million plastic items per square kilometer (or 21,839 particles per 1000 cubic meters) were found in a single water sample.

They found that as the number of fine particles less than 2.5 microns in diameter increased, so, too, did the risk of dying: each jump of 10 micrograms per cubic meter corresponded to a 11 to 17 percent increase in the risk of dying from any cause.

The deposited particle mass from 10 to 350 nanograms (a billionth of a gram) per square centimeter of cell surface corresponds to an airway daily dose of slightly polluted, rural air with 20 micrograms (a millionth of a gram) PM per cubic meter of air through to very high air pollution in a megacity (1000 micrograms PM per cubic meter of air).

Pope and his team analyzed life expectancy, economic, demographic and pollution data from 51 metropolitan areas, and found that when fine - particle air pollution dropped by 10 micrograms per cubic meter, life expectancy rose by 31 weeks — such as in Akron, Ohio and Philadelphia.