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Samson, D.M. (author), Bos, A.J.J. (author)Abstract of NL 1001913 (C2) The integrating detector (1) for measuring low levels of ~c-rays, added (9) to the natural background radiation, is provided with a screen (4) placed between at least two thermo-luminescent dosimeters (5-7). It is covered with a housing. Also claimed is the measurement of low ~c-ray levels using the apparatus above....patent 1997
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- Buisman, C.J.N. (author), Sorokin, D.Y. (author), Kuenen, J.G. (author), Janssen, J.H. (author), Robertson, L.A. (author) patent 1997
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Diederen, A.M. (author), Van Zee, G. (author)Abstract of WO 9738772 (A1) The invention relates to an apparatus comprising a static part and a movable part for the separation of a gas or fluid into components. The movable part is for instance formed by a rotatable wheel (4) which is provided with sorbent bed segments (7). The bed segments (7) are separated from each other by wall elements ...patent 1997
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Tober, E. (author), Veldhuis, S. (author), Posthuma de Boer, A. (author)Abstract of NL 1001959 (C2) Process for converting agricultural products, especially flower bulbs such as tulip bulbs and narcissus bulbs, into useful products, comprises subjecting a combination of agricultural materials as source of starch, water and cellulose to a hot pressing treatment at elevated pressure and temperature for a predetermined...patent 1997
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Beukers, A. (author), De Jong, T. (author)Abstract of WO 9717570 (A1) The invention is directed to a wheel-shaped pressure-resistant vessel for gaseous, liquid or liquefied material having a substantially rigid shape, said vessel comprising a substantially continuous shell of a fiber-reinforced resin having a central opening, an inner lining and an axial member, said substantially...patent 1997
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Dakka, J. (author), Sheldon, R.A. (author), Sanderson, W.A. (author)Abstract of GB 2309655 (A) Heterogeneous catalysts comprising one or more metal compounds selected from the group consisting of tin, molybdenum, tungsten, zirconium and selenium compounds deposited on the surface of a silicalite are provided. Preferably Sn(IV) and/or Mo(VI) are employed. The catalysts are prepared by reacting a metal halide...patent 1997
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Dijkema, G.P.J. (author)Abstract of WO 9733828 (A1) The invention relates to a method for the production of ammonia, wherein a hydrogen-comprising discharge flow is utilized for the depletion of oxygen in air. Subsequently the oxygen-depleted air is - as nitrogen-comprising flow - brought into contact with water gas, which is the hydrogen - comprising flow. Oxygen...patent 1997
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Van Eijk, C.W.E. (author)Abstract of NL 1003390 (C2) A thin n-type layer (2) is deposited on a p-type wafer (1). A metallic deposit (7) on the etched passivated layer (4) provides the connection point for the pn-junction of the photodiode formed by the thin p-type layer and the n-type epitaxial layer (3). The thickness of this layer (3) determines the type of radiation...patent 1997
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Huijsing, J.H. (author), Bakker, A. (author)Abstract of NL 1001231 (C2) The input voltage is fed to the inputs of an operational amplifier via a chopping reversal switchThe CMOS operational amplifier has a current source and a current mirror. The operational amplifier output is fed to an output circuit. The possible offset voltage is suppressed by the operation of a synchronised chopper...patent 1997
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Bisschops, M.A.T. (author), Van der Wielen, L.A. (author), Luyben, K.C.A. (author)Abstract of WO 9733687 (A1) The invention relates to a method and an apparatus for carrying out a treatment in the presence of centrifugal force. The treatment may be a physical or a chemical treatment. For this purpose the first and the second phase are brought into contact with each other. The second phase comprises a phase soluble in the...patent 1997
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Heerens, W.C. (author), Laham, C.D. (author), Holman, A.E. (author)An XY-displacement device (1) with a four-fold symmetry comprises a reference frame (10); an object mount (20) for holding an object (22) to be displaced; an X-manipulator (100) coupled between the reference frame (10) and the object mount (20), which provides a rigid coupling between the object mount (20) and a piezoelectric X-actuator (140),...patent 1997
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Marijnissen, J.C.M. (author), Willemse, A.W. (author), Roos, R.A. (author)Described is an improved method for measuring the particle size of ultrasmall particles (111) which are suspended in a fluid. Laser light (121) is scattered by the particles, and the scattered light (122) is received by a light detector (131) which provides an electrical measuring signal (Sm) which is representative of the intensity of the...patent 1997
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Van Hardeveld, R. (author), Makkee, M. (author), Moulijn, J.A. (author), Jelles, S.J. (author)A method and apparatus for the oxidation of liquid or solid contaminants in the exhaust gas from diesel engines is provided. The process is conducted by passing the contaminated diesel engine exhaust gas through a turbulent gas flow, particulate separator, wherein this separator contains a plurality of separate and serially-arranged vertical...patent 1997
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Beukers, A. (author), De Winter, S.E.E. (author), Brouwer, W.D. (author)Self-supporting refrigerated truck comprising a floor, two side walls, a front bulkhead and a roof. The components are all constructed as sandwich panels. The connection between the rear axle construction of the refrigerated truck and the front is not provided with longitudinal beams. The function of the chassis is taken over by the side walls ...patent 1997
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Van Turnhout, J. (author)A device for storing and gradually dispensing heat or cold is described, comprising a container having an at least partially heat-conducting wall which encloses a space in which a material having a high heat capacity is present, formed by a hydrophilic polymer which contains or is able to contain 50-99.5 wt.% of water, based on the sum of...patent 1997
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Borra, J.P.D. (author)The invention relates to a method of manufacturing a dry powder particle, preferably using electrohydrodynamic spraying, wherein two oppositely charged aerosol streams are contacted. The invention allows for the manufacture of powders having various, controllable compositions and shapes. In particular the method according to the invention may be...patent 1997
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Bakker Wridzer, J.W. (author), Kapteijn, F. (author), Moulijn, J.A. (author)The invention relates to a rotary reactor consisting of a number of tubular reaction compartments (A), each provided with a first end and a second end, a ceramic first reactor end plate (B) in which said first ends are received, and a second end plate (B) in which said second ends are received, which end plates (B, B) are further provided with...patent 1998
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Metselaar, J.W. (author), Kuznetsov, V.I. (author)The invention relates to a thin-film solar cell provided with at least one p-i-n junction comprising at least one p-i junction which is at an angle alpha with that surface of the thin-film solar cell which collects light during operation and at least one i-n junction which is at an angle beta with the light-collecting surface. In this context,...patent 1998
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Van der Puil, N. (author), Calis, H.P.A. (author), Oudshoorn, O.L. (author), Jansen, J.C. (author), Van Bekkum, H. (author)The invention relates to the preparation of composite catalysts consisting of a support material and a molecular sieve crystal phase that is present on the surface of the support material. The molecular sieve crystals can, as desired, be provided both on the inside and on the outside of a porous support material. With the method according to the...patent 1998
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Van Loosdrecht, M.C.M. (author), Jetten, M.S.M. (author)The invention relates to a method of treating ammonia-comprising waste water in which the bicarbonate ion is the counter ion of the ammonium ion present in the waste water. According to the invention half the ammonium is converted into nitrite, yielding an ammonia- and nitrite-containing solution, and in the second step the nitrite is used as...patent 1998