| ultrafiltration (Separation of colloidal or very fine solid materials by filtration through microporous or semipermeable mediums) |
ultrafiltrace |
|
| ultrasound (Sound waves having a frequency above about 20,000 hertz) |
ultrazvuk |
|
| ultraviolet radiation (The part of the electromagnetic spectrum with wavelengths shorter than light but longer than x-rays; in the range of 4-400 nm) |
záření ultrafialové |
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| UNCED (United Nations Conference on Environment and Development, Rio de Janeiro, Brazil, 1992) |
UNCED |
|
| uncontrolled dump (Place where waste is left on the ground and not buried in a hole) |
skládka neřízená |
|
| underground biomass |
podzemní biomasa |
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| underground disposal (The discharge, dumping or emission of wastes below the surface of the soil) |
zneškodňování odpadů v podzemí |
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| underground dump (Any subterranean or below-ground site in which solid, or other, waste is deposited without environmental controls) |
skládka podzemní |
|
| underground quarry (Quarry located below the surface of the earth) |
lom podzemní |
|
| underground railway (An electric passenger railway operated in underground tunnels) |
dráha podzemní |
|
| underground storage (Storage located underground designed to hold gasoline or other petroleum products or chemical solutions) |
skladování v podzemí |
|
| underground train (A train for transportation of people, mostly beneath the surface of the ground, in order to lessen the traffic) |
dráha podzemní |
|
| underprivileged people (A segment of the population that does not have access to the rights or benefits granted to the rest of society, often because of low economic or social status) |
lidé neplnoprávní |
|
| undertaking business (Any commercial activity, position or site associated with the preparation of the dead for burial and the management and arrangement of funerals) |
pohřebnictví |
|
| underwater outlet (Point of water disposal located below the sea surface) |
odtok vody pod hladinu mořskou |
|
| unemployment (The condition of being without remunerative employment) |
nezaměstnanost |
|
| ungulate (Hoofed mammals, including the Artiodactyla and Perissodactyla) |
kopytnatec |
|
| Union Earth observation and monitoring programme |
program Unie pro pozorování a monitorování Země |
|
| Union Earth observation and monitoring programme |
Evropský program monitorování Země |
|
| United Nations (A voluntary association of around 180 state signatory to the UN charter (1945), whose primary aim is to maintain international peace and security, solve economic, social, and political problems through international co-operation, and promote respect for human rights) |
Organizace spojených národů |
|