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单词 Bomb calorimetry
释义

Bomb calorimetry

英语百科

Calorimetry

The world’s first ice-calorimeter, used in the winter of 1782–83, by Antoine Lavoisier and Pierre-Simon Laplace, to determine the heat involved in various chemical changes; calculations which were based on Joseph Black’s prior discovery of latent heat.  These experiments mark the foundation of thermochemistry.
Snellen direct calorimetry chamber, University of Ottawa.[1]
Indirect calorimetry metabolic cart measuring oxygen uptake and CO2 production of a spontaneously breathing subject (dilution method with canopy hood).

Calorimetry is the science or act of measuring changes in state variables of a body for the purpose of deriving the heat transfer associated with changes of its state due for example to chemical reactions, physical changes, or phase transitions under specified constraints. Calorimetry is performed with a calorimeter. The word calorimetry is derived from the Latin word calor, meaning heat and the Greek word μέτρον (metron), meaning measure. Scottish physician and scientist Joseph Black, who was the first to recognize the distinction between heat and temperature, is said to be the founder of the science of calorimetry.

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更新时间:2025/6/20 12:39:06