(physics) the sum of the initial kinetic energies of all the charged particles liberated by uncharged ionizing radiation (neutrons and photons) in a sample of matter, divided by the mass of the sample.
Dynasty, derived from his work at Kerma and Defufa,43 are of great historical importance.
The North Staffordshire moved up to the front, and in September the army moved on Kerma, which was found to be evacuated, the dervishes having crossed the river to Hafir.
The railway up the right bank of the Nile was continued to Kerma, in order to evade the difficulties of the 3rd cataract; but the sirdar had conceived the bold project of cutting off the great angle of the Nile from Wadi Haifa to Abu Hamed, involving nearly 600 m.
The first-mentioned line reached Kerma in May, and by July the second had advanced 130 m.
(The railway which started from Haifa and followed the right bank of the Nile to Kerma, 201 m.