control rod
[kənˈtroʊl rɑːd]
nounpl: control rods
barra de controle
1. A rod made of neutron-absorbing material used in nuclear reactors to regulate the rate of nuclear fission by controlling the number of neutrons in the reaction
The operators inserted the control rods to slow down the nuclear reaction.
Os operadores inseriram as barras de controle para desacelerar a reação nuclear.
2. A mechanical device in machinery or equipment that regulates or manages operational processes
The control rod in the engine management system helps maintain optimal performance.
A barra de controle no sistema de gerenciamento do motor ajuda a manter o desempenho ideal.
This is primarily a technical term used in nuclear engineering and physics. It gained particular cultural significance following nuclear incidents like Chernobyl and Fukushima, where control rod failures were central to the accidents. The term is understood similarly in both Brazilian Portuguese and English-speaking contexts within scientific and industrial settings.
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