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.
1. gigahertz - 1,000,000,000 periods per second. Gc, GHz, gigacycle, gigacycle per second. rate-a magnitude or frequency relative to a time unit; they traveled at a rate of 55 miles per hour; the rate of change was faster than expected.