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Curves in Hilbert Spaces with non-stationary increments.
(University of Nairobi., 1989)
Separation of compounds from gasifier tars by extraction with supercritical carbon dioxide
(Elsevier, 1989)
Coal gasification tars were extracted with supercritical carbon dioxide at different temperatures and pressures, and the properties of the extraction residues (pitches) were determined by elemental analysis, size-exclusion ...