New handsets are another area of concentration.

FORBES: Motorola Reorganizes Unit Before Earnings

Meanwhile, in Australia, another area of fund concentration, stocks are mired in a 14-month-long slump as Chinese demand decelerates.

FORBES: Investing

It is the process of moving water from an area with a low concentration of dissolved material, such as salt, to a place with a high concentration, by passing through a membrane.

FORBES: Getting Power From Salty Water

Belgrave Road is known as the Golden Mile because of the high concentration of shops in the area selling gold jewellery.

BBC: Concern over robberies on Leicester's 'Golden Mile'

This small area of the south east sees by far the largest concentration of air traffic, and the 18 minute window required by iFACTS is a luxury here, explained Nats General Manager Paul Haskins.

BBC: Why air traffic control still needs the human touch

There are about 300, 000 ethnic Arabs in the Detroit metropolitan area, the biggest concentration of Arabs anywhere in the world outside the Middle East.

ECONOMIST: Lexington

Pollen counts are calculated using the concentration of pollen in a certain area during a specific period (usually 24 hours), according to Pollen.com.

CNN: What's in a pollen count, anyway?

How long they can be used until they are saturated depends on the concentration of arsenic in the particular area that they are being used.

FORBES: "Plastic Bottle" Filters Can Help Millions Poisoned by Arsenic-Contaminated Water

But, chiefly, the Admiral extolled the might of naval gunfire, whose concentration on the landing area, he said, gesturing heavenward with his meerschaum, would be the heaviest ever to support American troops.

NEWYORKER: Rat Beach

Washington now has the third largest concentration of high-income households of any metropolitan area in America.

CNN: On cuts, Washington throws a tantrum