Assertion: explosion's energy | /r/HasProperty | required for ignition
Facets:
value: very small
type: OTHER
Source sentences:
text: If the subdivision is continued right down to the level of small particles of sizes on the order of 0.1 mm or less, and the particles are suspended in a sufficiently large volume of air to give each particle enough space for its unrestricted burning, the combustion rate will be very fast, and the energy required for ignition very small.