Sentence examples for particles of soot from inspiring English sources

But in 2000 the decline in the most dangerous pollutant - small particles of soot - came to a halt.

Air quality experts calculate that up to 90percentt of deaths from air pollution are caused by tiny particles of soot.

The city has entered her bones&it may well be literally true-there are probably particles of soot embedded in them now.

Levels of pollutants such as carbon monoxide, unburned hydrocarbons and small particles of soot are reduced by as much as 90% as a result.

The tiny particles of soot that refrigerator diesel engines produce, by contrast, are a health hazard up with which regulators are increasingly unwilling to put.

Prolonged exposure to air tainted with tiny particles of soot significantly raises the risk of dying of lung cancer or other lung and heart diseases, according to a new study of 500,000 people in 116 American cities.

Some scientists now estimate that particles of black soot are responsible for about one-fifth of warming globally.

The main air pollutants in London are minute particles of oily soot, called PM10s or PM2.5, mostly emitted from traffic but also from factories.

One was black carbon ink, made from extremely fine particles of the soot of burnt oils or resins in a solution of glue or gum arabic.

The Department for Environment Food and Rural Affairs (Defra) grades air pollution on a scale of 1-10, from low to very high, based on concentrations of ground level ozone, nitrogen dioxide, sulpher dioxide and tiny particles of oily soot called PM10s and PM2.5s.

The density of the atmosphere decreases outward, because the gravitational attraction of the planet, which pulls the gases and aerosols (microscopic suspended particles of dust, soot, smoke, or chemicals) inward, is greatest close to the surface.