Most Greek houses were small, with a walled garden or yard in the middle. The house was made of sun-dried mud brick. Mud houses crumbled away in a few years, and had to rebuild. So archaeologists do not dig up the ruins of Ancient Greek homes.ost Greek houses were small, with a walled garden or yard in the middle. The house was made of sun-dried mud brick. Mud houses crumbled away in a few years, and had to rebuild. So archaeologists do not dig up the ruins of Ancient Greek homes.
Quick Answer. In chromatography, the Rf value represents the ratio between the migration distance of a substance and the migration distance of the solvent front. Rf is a coefficient called retention factor and has values that range between zero and 1.
mentioned above, the SAR is a measure of the RF radiation that your brain absorbs. Knowing that the FCC limit is 1.6 W/kg and that some low-radiation phones have SARs lower that 0.2 W/kg, you will be able to tell where your phone stands regarding RF radiation emission. http://en.wikipedia.org/wiki/Specific_absorption_rate