News tagged with dust particles

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Many WTC responders show early signs of heart woes

(AP) -- Law enforcement officers who worked near ground zero after the World Trade Center attacks seem to show early signs of heart problems at a higher rate than would be expected for their age, a new study suggests.

dateMar 13, 2010 in Health
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Electrostatic surface cleaning

It's often the little things that count in industrial manufacturing processes. Particles less than half the diameter of a hair in size can significantly impair quality in production. For example, there should ...

dateOct 07, 2009 in Engineering
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Do dust particles curb climate change?

(PhysOrg.com) -- A knowledge gap exists in the area of climate research: for decades, scientists have been asking themselves whether, and to what extent man-made aerosols, that is, dust particles suspended ...

dateOct 06, 2009 in Earth Sciences
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Tracing ultra-fine dust

Limit values for fine dust emissions are based on total particle weight. It is the ultra-fine particles, however, that are particularly harmful to health. A new technique separates them by size and identifies ...

dateOct 05, 2009 in Engineering
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The trilogy is complete -- GigaGalaxy Zoom Phase 3

The newly released image extends across a field of view of more than one and a half square degree — an area eight times larger than that of the full Moon — and was obtained with the Wide Field Imager attached ...

dateSep 28, 2009 in Astronomy
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