Wednesday, August 27, 2008
Schmutzdecke
Schmutzdecke (German, "grime or filth cover", sometimes spelt schmutzedecke) is a complex biological layer formed on the surface of a slow sand filter. The schmutzdecke is the layer that provides the effective purification in potable water treatment, the underlying sand providing the support medium for this biological treatment layer.
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synanthrope
A synanthrope (from ancient Greek σύν sýn "together, with" and ἄνθρωπος ánthrōpos "man") is an organism that evolve...
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A kouros (plural kouroi , Ancient Greek κοῦρος ) is the modern term given to those representations of male youths which first appear i... -
Epigraphy (from the Greek : ἐπιγραφή epi-graphē , literally "on-writing", "inscription") is the study of inscriptions ...
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