Neidio i'r prif gynnwys.
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Hafan
Chwilio'r catalog
Arddangos
Sut i chwilio'r gronfa ddata
Cwestiynau cyffredin
Geirfa
Dolenni defnyddiol
Cysylltu â ni
Cofnod
WCE - Papers and correspondence of William Charles Evans, 1911-1988
D - Research material
Rhif Cyf Amg
WCE/D/109
Teitl
Letter from A E J Pettet, Water Pollution Research Laboratory, Stevenage, re anaerobic breakdown of aromatic ring compounds, particularly phenol
Disgrifiad
With ms note and diagrams on a plant for the anaerobic digestion of sewage sludge.
Dyddiad
30 January 1961
Pwerir gan
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