Библиотека

— A group of alumino-silicates containing very loosely held water and cations, used in molecular sieves and ion exchangers.

— The residual energy of a system at absolute zero.

— If two systems are both in thermal equilibrium with a third one, they are in mutual thermal equilibrium (this principle is an introduction to the temperature concept).

— A modified form of ordinary sound occurring in liquid helium 3 well below 1 K.

— An air conditioner which conditions the air of adjacent rooms having similar requirements.

— In air conditioning the division of a building into separately-controlled spaces.