Bladder infections are caused by bacteria in the bladder. Escherichia coli (E. coli) is usually the bacteria that causes a bladder infection. Bladders normally have a small amount of bacteria in them and urinating helps flush out the bacteria, but sometimes the bacteria grows so fast it causes a bladder infection.
aspect ratio. n. 1. The width-to-height ratio of an image or of the area used to display an image. Most widescreen televisions have an aspect ratio of 16:9. 2. The span-to-mean-chord ratio of an airfoil. aspect ratio.
Gear Ratios. The gear ratio is the ratio of the number of teeth on one gear to. the number of teeth on the other gear. Gear ratio = 40 to 8 or, simplifying, 5 to 1. That means it takes 5 revolutions of the smaller gear to get 1. revolution of the larger gear.