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・ Schneider Township, Buffalo County, Nebraska
・ Schneider Triangle
・ Schneider Trophy
・ Schneider Trophy aircraft
・ Schneider v. New Jersey
・ Schneider v. Rusk
・ Schneider vs. Bax
・ Schneider's Bakery
・ Schneider's dynamic model
・ Schneider's leaf-nosed bat
・ Schneider's pitta
・ Schneider's surprise
・ Schneider, Indiana
・ Schneider-Creusot
・ Schneider-Empain
Schmutzdecke
・ Schmutzhart SCH-1
・ Schmutzige Euros 2
・ Schmutziger Engel
・ Schmutzler Nunatak
・ Schmöckpfuhlgraben
・ Schmöckwitz
・ Schmölln
・ Schmölln-Putzkau
・ Schmücke
・ Schmücke dich, o liebe Seele, BWV 180
・ Schnaakenmoor
・ Schnabel
・ Schnabel car
・ Schnabelburg Castle


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Schmutzdecke : ウィキペディア英語版
Schmutzdecke

Schmutzdecke (German, “dirt cover”, sometimes wrongly spelled schmutzedecke) is a hypogeal 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.
The composition of any particular schmutzdecke varies, but will typically consist of a gelatinous biofilm matrix of bacteria, fungi, protozoa, rotifera and a range of aquatic insect larvae. As a schmutzdecke ages, more algae tend to develop, and larger aquatic organisms may be present including some bryozoa, snails and annelid worms.
==References==

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抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Schmutzdecke」の詳細全文を読む



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