A small number of RBCs are normally present in urine and usually result in a negative chemical test. An increased amount of hemoglobin and/or increased number of RBCs are detected as a positive chemical test result.
gigahertz. n, pl-hertz. 1. (Units) a unit of frequency equal to 10 9 hertz. Symbol: GHz.
A gigahertz rating essentially tells you how fast a CPU can work. Comstock/Comstock/Getty Images. One of the most frequently touted measures of processor performance is a given chip's speed in gigahertz.