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Neutron moderator


In nuclear engineering, a neutron moderator is a medium that reduces the speed of fast .... Fission cross section, measured in barns (a unit equal to 10<sup>−28</sup> m<sup>2<...

GCSE PHYSICS - Nuclear Power - What is the Moderator in a ...


The moderator and control rods control the speed of the chain reaction in a nuclear reactor.


list.uvm.edu/cgi-bin/wa?A3=ind0809&L=DEBATER&E=base64&P=84293&B=------=_Part_105325_14021247.1220994653738&T=application/msword; name="ROLE OF THE MODERATOR.doc"&N=ROLE OF THE MODERATOR.doc&attachment=q

THE MODERATOR IS CRUCIAL. The moderator plays a central role in the development and successful implementation of a public forum. It is the moderator who ...

Neutron Moderator in Nuclear Reactor - Nuclear Power


Nuclei with low mass numbers are most effective for this purpose, so the moderator is always a low-mass-number material. In a fast reactor there is no moderator ...

What is a Forum Moderator? (with pictures)


2 days ago ... A forum moderator oversees the communication activities of an Internet forum. It is the forum moderator's responsibility to make...

Roles of the Moderator - Barry Lawson Associates


Purpose of Moderation: Provide information and obtain public input and advice. Roles of the Moderator. Preparation. Develop ground rules appropriate for the ...

moderator | nuclear reactor | Britannica.com


in nuclear reactor: Coolants and moderators ... Since water and heavy water also can function as coolants, they perform a dual purpose in thermal reactors.

Moderator Duties for a Debate | Our Everyday Life


... a political discussion to an event at a school, needs to have a moderator. The moderator acts as a and neutral party who maintains the focus of the debate.

Moderator Duties | Chron.com


The main function of a moderator is to promote interaction among the members of a forum. The moderator introduces the participants to each other and keeps ...

Water as Moderator - HyperPhysics


Even with the moderator, the fuel is not "critical" without the inclusion of the " delayed" neutrons which may be emitted several minutes after the fission.

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What is the purpose of a moderator - Answers.com


The purpose of a moderator in a nuclear reactor is to slow down (moderate) the neutrons produced when uranium (or other nuclear fuel) is fissioned (split).

The real purpose of forum moderators revealed - Community Spark


Many forum owners understand the need for forum moderators but few understand what their real purpose is. This article will reveal what forum ...

JISIBHLPhysics - Role of the moderator in thermal fission reactor


The role of the Neutron Moderator (The Moderator) in a thermal fission reactor ... The graph above is a function of a cross-section of a Uranium-235 fission.