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.
RF and microwave power measurement and RF and microwave power meters are important elements within the RF and microwave design arena. The output power level of many RF and microwave amplifiers is a critical parameter in the design.here are two main types of RF power meter that are used: 1  Through-line RF power meters: These RF power meters take a sample of the power flowing along a feed-line and use this to indicate the power level.