moderator
1
8.1
- noun
- /ˈmɒdəˌreɪtə/
- Specialized
:
moderador (de neutrones)
- Graphite is often used as a moderator in various types of nuclear reactors.
- graphite moderator
Examples
-
Reactor A was a military production reactor in Chelyabinsk, running on natural uranium fuel, with graphite as the moderator.
Blog text (8) -
Fermi had discovered that the probability of capture was increased if fast neutrons were slowed down by collisions with a non-absorber or moderator.
Academic text (2006) -
Anyway, under lower reactor operating temperatures, the moderator life is greatly extended.
Blog text (32) -
The best alternative moderator was deuterium.
Academic text (2012) -
The graphite moderator has a life of four years and is messy to deal with.
Blog text (32) -
A neutron source was set up next to a pile of uranium with graphite as a moderator.
Academic text (2006) -
Often, MSRs have graphite moderators; combining molten salts with graphite does not seem desperately safe compared to some other reactor designs.
Blog text (11) -
In a nuclear reactor, the moderator slows down fast neutrons to increase the chance of fission.
-
A good moderator ensures that neutrons are effectively slowed for optimal reactor performance.
Compounds
- Texting
A computer program that checks and removes posts that break the rules
Surface Forms
Morphology
Etymology
Moderator shares the root moder- meaning 'to make less extreme' or 'to slow down'. In a nuclear reactor, a moderator slows down neutrons so the reaction happens more steadily, so the same word is used for a material that controls the speed of the process.