Image de couverture de Efficiency of energy conversions
Efficiency of energy conversions
Titre:
Efficiency of energy conversions
Sommaire:
"Efficiency of Energy Conversion investigates mechanical and biological systems to determine the efficiency of energy use. In any conversion some energy will be converted to undesired forms. Efficiency is defined as the ratio of the useful output energy to the input energy expressed as a percent".
Date de publication comme intervalle:
1997
SERIES_EPSB:
Description matérielle:
1 videocassette (27 min.) : sd., col. ; 1/2 in. +
EPSB_586:
Simply science, winner in the Best Educational catagory at the 1998 Alberta Motion Pictures Industries Association (AMPIA) Awards.
Vedette secondaire auteur:

Informations de publication:
[Edmonton, AB] : ACCESS, c1997.