If Xt is a wide-sense stationary process then the mean Î¼ and the variance Ï2 are time-independent, and further the autocorrelation depends only on the lag between t and s: the correlation depends only on the time-distance between the pair of values but not on their position in time.
Febreze is classified as an air freshner, created by Proctor & Gamble. It reports to work by trapping odor molecules in a donut-shaped chemical. The first thing that is really important to understand: the product does not remove odor molecules and it doesn't clean the item it comes into contact with.
This powerful allergenic oil in the resin of poison oak/ivy and poison sumac is almost identical to that in the Japanese lacquer tree, Toxicodendron vernicifluum. The famous lacquerware of Japan, China and Korea is created with this oil that flows out of the trees in the resin.