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.
Gigabit is a unit of digital information storage, with the symbol Gbit (or Gb). The official SI definition uses the gibibit or Gib unit to represent 2 30 bits. However, most people have requested the more common usage, so the non-SI version is used on this site.