Comparison of direct and indirect calorimetry.
1984
A C Norton
UI
MeSH Term
Description
Entries
D002151
Calorimetry
The measurement of the quantity of heat involved in various processes, such as chemical reactions, changes of state, and formations of solutions, or in the determination of the heat capacities of substances. The fundamental unit of measurement is the joule or the calorie (4.184 joules). (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)
D002153
Calorimetry, Indirect
Calculation of the energy expenditure in the form of heat production of the whole body or individual organs based on respiratory gas exchange.