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The neutron detection temperature, also called the neutron energy, indicates a free neutron 's kinetic energy, usually given in electron volts. The term temperature is used, since hot, thermal and cold neutrons are moderated in a medium with a certain temperature.pithermal neutrons have energies between 1 eV and 10 keV and smaller nuclear cross sections than thermal neutrons.
In physics, thermal conductivity (often denoted k, Î», or Îº) is the property of a material to conduct heat. It is evaluated primarily in terms of Fourier's Law for heat conduction.or a plate of thermal conductivity k, area A and thickness L, the conductance calculated is kA/L, measured in WÂ·K â1 (equivalent to: W/Â°C). The thermal conductance of that particular construction is the inverse of the thermal resistance.