When melting snow-crystals or raindrops fall through very cold air, they freeze to form small particles of ice, called sleet.

VOA: special.2011.01.11

That is because the force of the object hitting Jupiter pushed very reflective particles high into the planet's atmosphere.

VOA: special.2009.08.25

HEPA filters capture almost all particles in the air that are zero point three microns in size or larger.

VOA: special.2009.07.14

Homogenization is a process that reduces the size of the fat particles and mixes the fat all through the milk.

VOA: special.2009.07.21

When melting snow crystals or raindrops fall through very cold air, they freeze to form small particles of ice,called sleet.

VOA: special.2010.01.05

He says these particles would offer a more exact method of transporting the short-lived drug, called B-H-three mimetic.

VOA: special.2010.03.16

Some of their work involved X-rays produced by particle accelerators, devices that bring atomic particles into high energies.

VOA: special.2009.12.08

Radioactive particles travel in the wind and get absorbed into soil with the help of rain and snow.

VOA: special.2011.03.29

Some gardeners use leaf mulch fine particles of leaves instead of wood mulch around trees, especially young trees.

VOA: special.2009.06.30

The DNA particles were designed so pieces next to each other contained eighty letters that overlapped, with one placed over the other.

VOA: special.2010.07.20

The process uses electricity to help separate electrically charged salt particles from water to make it drinkable.

VOA: special.2010.04.05

The study also noted that when tilled soil particles come in contact with air, soil organic matter is lost through the process of oxidation.

VOA: special.2010.09.28

She left Rome after becoming sick with arsenic poisoning caused by paint particles in her bedroom.

VOA: special.2010.08.08

A specially designed collector gathered dust particles from the comet and stored them on the spacecraft.

VOA: special.2009.09.30