(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.
On the east side of the river near Kerma are the remains of an Egyptian city.
Steamers run on the Nile between Kerma and Kareima, and above Khartum the government maintains a regular service of steamers as far south as Gondokoro in the Uganda Protectorate.
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.