Sentences with phrase «boron absorbs the neutrons»
TEPCO is currently injecting seawater and boric acid — boron absorbs the neutrons that radioactive materials give off to prevent any self - sustaining fission — into two of the three reactors, according to the company's statements.
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Nuclear reactors utilize control rods made from elements such as cadmium, boron or hafnium, all of which are efficient neutron absorbers.
The chamber is 30 centimetres thick and made of metal covered by a layer of concrete laced with boron to absorb the neutrons.
The boron absorbs the excess neutrons in the reactor and disrupts the fission chain reaction - effectively shutting it down completely.
In nuclear reactors the control rods and fission poisons (like boron in the fuel rods) absorb neutrons to prevent a runaway reaction.