A tribological debris analysis system includes a general purpose computer; and a tribological sensor system for generating data. The invention also conerns a method for obtaining said compounds and their use in particular as emulsifying agent for oils. Vertical and horizontal lines failing to meet certain characteristics, e. When the device is in an on state, current flows between the source and drain regions; and, when the device is in an offblocking state, the drift region is depleted into the stack. If it is ascertained that the extracted first authentication code does not match the extracted second authentication code, then the short message is determined to be SMS spam and is prevented from being subsequently received by the destination mobile phone. The light-homogenizing device adjustment element has an actuator, and the actuator leans against one side of the light-homogenizing device and has a plurality of curved surfaces with different radii of curvature.