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.
The Performance Mouse MX Wireless Mouse (Retail Package) from Logitech is a laser mouse with a wireless interface. Communicating with your PC via a USB wireless receiver, the mouse uses a superlative laser tracking system.