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The Database for the Environment

The Database for the Environment gives you a good overview about all important aspects of our environment.

Diesel Particulate Filter

A Diesel Particulate Filter (DPF) is a diesel particulate filter (DPF) is similar to a diesel oxidation Catalyst and is one of the two major technologies being employed to meet the 2007 emissions regulations.

El Nino

An El Nino is a climatic phenomenon occurring irregularly, but generally every 3 to 5 years. El Ninos often first become evident during the Christmas season (El Nino means Christ child) in the surface oceans of the eastern tropical Pacific Ocean.

Polycyclic organic matter (POM)

- Polycyclic organic matter (POM) : A Polycyclic organic matter (POM) is Defines a broad class of compounds that includes the polycyclic aromatic hydrocarbon compounds (PAHs).

Reverse osmosis

A Reverse osmosis is Common process used to produce Deionized water from municipal water (Brown and Caldwell, 1990).