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.
When referring to a smartphone, the gigahertz measurement gauges how fast the device's central processing unit operates. A CPU's hertz rating reflects how many binary instructions the chip process in a second, so in most cases, higher is better.