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Abstract of NL 8902368 (A) The system converts a PCM input signal. It has a series of digital words, each K bits long at a predetermined repetition frequency converted into a PCM output signal (16) comprising a series of digital words each L bits long, where L is less than K. The system includes a one-bit coder to provide a shaped noise profile...
patent 1991
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Verbeek, D.G.F. (author)
Abstract of WO 9105620 (A1) Method and apparatus for cleaning a storage or transport tank or similar receptacle by spraying a cleaning agent against the interior wall using at least one spray nozzle, said nozzle making a rotating movement in a plane, while said plane is simultaneously revolved around an axis which makes an angle with the axis of...
patent 1991
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Van Breemen, A.N. (author)
Abstract of WO 9006820 (A1) The noxious element arsenic may be removed with high efficiency from iron hydroxide sludge by first subjecting that sludge first to a thermal treatment in the presence of air or oxygen and of an alkaline reagent and next extracting the treated material with water. The arsenic present in the extract is thereupon...
patent 1990
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Van Eijk, C.W.E. (author), Schooneveld, E. (author)
Abstract of EP 0383389 (A1) Position-sensitive radiation detector provided with a semiconductor structure comprising a wafer of semiconductor material of a first conductivity type having two principal-surfaces situated at relatively short distances from each other, the dimensions of which are sufficient to enclose the desired radiation detection...
patent 1990
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Delft University of Technology (author)
patent 1990
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Beukers, A. (author)
Abstract of corresponding document: EP 0345855 (A1) The invention is directed to an unfoamed foil of at least one thermoplastic resin, said foil being capable of serving as an adhesive when softened and having included therein at least one blowing agent, and to the use thereof in preparing laminates.
patent 1989
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Wolffenbuttel, R. (author)
Abstract of US 4749851 (A) Method and system for determining the wave-length of light impinging onto the surface of a light sensitive semiconductor structure by determining the photocurrent therethrough. The semiconductor structure consists of a substrate of one conductivity type, an adjoining epitaxial layer of a second conductivity type, and...
patent 1988
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Van Dijken, J. (author), Scheffers, W.A. (author)
A method for producing ethanol from a D-xylose containing substance, comprising fermenting said substance with a yeast of the genus Pichia or its imperfect forms belonging to the genus Candida, selected from the species consisting of Pichia stipitis, Pichia segobiensis and Candida shehatae, under aerobic or anaerobic conditions to produce...
patent 1987
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