Underwater acoustic transducers can contain both transmitters and receivers, or they can be solely transmitters used in conjunction with a hydrophone. They sense reflected sound and use distance and directional data for communication, mapping and navigation.

Underwater acoustic transducers have an operational range, but are usually designed to operate at their resonance frequency to maximize output power. They are most typically single frequency transmitters, but they may contain multiple transmitters and receivers for different frequencies.
Ref: 124217/2006-09-26

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Transducer (Transducer is identified as an electronic sensing ...)
Frequency (The Frequency is the rate at which a periodic ...)

Unemployment is defined as a measure of the number of workers that want to work but do not have jobs.

-see also:
"Unemployment" is in the UNSPSC Code "93141805"
  Unemployment services
Ref: 124096/2006-09-19

Unemployment refers to a situation which exists when members of the labor force wish to work at the prevailing wage or salary rates for their skills, but cannot get a job.

-see also:
"Unemployment" is in the UNSPSC Code "84131606"
  Unemployment insurance
Ref: 86269/2006-09-13


- Unit load device (ULD) : Unit Load Device (ULD) pertains to any type of container, as in container with integral pallet, aircraft container, or aircraft pallet.
Ref: 123375/2006-10-14

Other Database Pages Exist for this Phrase:
Device (Device may refer to: machine , a tool , ...)
ULD (ULD is the acronym of Unit load device)
Aircraft container (Aircraft container pertains to a unit load ...)

Alternative Spellings (Synonyms): unite, unites, units, loader, loaders, loads, devices
Unobstructed space is characterized as a space within 10 meters or 33 feet of an inhabited building that does not allow for concealment from observation of explosive devices 150 mm or 6 inches or greater in height.
Ref: 124156/2006-09-19

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club room (Unobstructed space or an area within a building ...)
Uranium is described as a mildly radioactive element with two isotopes which are fissile (U-235 and U-233) and two which are fertile (U-238 and U-234). Uranium is the basic fuel of nuclear energy.

-see also:
"Uranium" is in the CPC Code "13"
  Uranium and thorium ores

"Uranium" is in the HS Code "2612"
  Uranium Or Thorium Ores And Concentrates

"Uranium" is in the UNSPSC Code "11101603"
  Uranium ore
Ref: 124280/2006-10-01

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Mining of uranium and thorium ores
Mining of uranium and thorium ores
Mining of uranium and thorium ores
Mining of uranium and thorium ores
Mining of uranium and thorium ores

Utility vehicle is a term that refers to cargo, water, fuel and recovery vehicles.
Ref: 124286/2006-10-01

Other Database Pages Exist for this Phrase:
Vehicle (Vehicle revolves around every device in, upon, or ...)

Alternative Spellings (Synonyms): Vehicles

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