A method for determining absolute density of a slurry that typically contains entrained air, such as cement slurry, in a continuous mixing operation such those used in cementing a gas or oil well. A system memory read request is sent for preparing a main memory read command and for performing a cache lookup. These compounds are valuable perfuming ingredients having fruity or jasminic odor notes. Such decorrelation may be achieved by sending a first signal to a first receiver while sending a second signal, having a radio frequency spectrum that is the spectrally inverted version of the first signal, to a second receiver.