| D009688 |
Nuclear Reactors |
Devices containing fissionable material in sufficient quantity and so arranged as to be capable of maintaining a controlled, self-sustaining NUCLEAR FISSION chain reaction. They are also known as atomic piles, atomic reactors, fission reactors, and nuclear piles, although such names are deprecated. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) |
Nuclear Reactor,Reactor, Nuclear,Reactors, Nuclear |
|
| D004463 |
Ecology |
The branch of science concerned with the interrelationship of organisms and their ENVIRONMENT, especially as manifested by natural cycles and rhythms, community development and structure, interactions between different kinds of organisms, geographic distributions, and population alterations. (Webster's, 3d ed) |
Bionomics,Ecologies |
|
| D005618 |
Fresh Water |
Water containing no significant amounts of salts, such as water from RIVERS and LAKES. |
Freshwater,Fresh Waters,Freshwaters,Water, Fresh,Waters, Fresh |
|
| D006113 |
United Kingdom |
Country in northwestern Europe including Great Britain and the northern one-sixth of the island of Ireland, located between the North Sea and north Atlantic Ocean. The capital is London. |
Great Britain,Isle of Man |
|
| D006358 |
Hot Temperature |
Presence of warmth or heat or a temperature notably higher than an accustomed norm. |
Heat,Hot Temperatures,Temperature, Hot,Temperatures, Hot |
|
| D014876 |
Water Pollution |
Contamination of bodies of water (such as LAKES; RIVERS; SEAS; and GROUNDWATER.) |
Thermal Water Pollution,Water Pollution, Thermal,Pollution, Thermal Water,Pollution, Water,Pollutions, Thermal Water,Pollutions, Water,Thermal Water Pollutions,Water Pollutions,Water Pollutions, Thermal |
|