The Rockwell Hardness test is a hardness measurement based on the net increase in depth of impression as a load is applied. Hardness numbers have no units and are commonly given in the R, L, M, E and K scales. The higher the number in each of the scales means the harder the material.
Apac. Apac is a town in Apac District, Northern Uganda. It is the 'chief town' of the district and the district headquarters are located there. The district is named after the town. see more on Definitions.net Â».
Originally, URAC was incorporated under the name Utilization Review Accreditation Commission.. However, that name was shortened to just the acronym URAC in 1996 when URAC began accrediting other types of organizations such as health plans and preferred provider organizations. This corporate name is sometimes used on URAC certificates and other written communications to help explain what URAC does.