Abstract: In an even numbered polygonal microwave resonator wherein a high mode microwave mode is formed and in the resonator volume a homogeneous field distribution is established for the thermal processing of workpieces, a microwave in-coupling structure pair is provided along a joining edge of two wall segments alternately at opposite sides and the in-coupling structure pairs or in communication, via a rectangular microwave guide channel, with a microwave sources supplying microwaves to the in-coupling structure pairs so that the microwaves entering the resonator from each in-coupling structure are directed toward an opposite corner area of the resonator and are reflected from the opposite corner area back into the center area of the resonator in the form of separate beams.

Abstract: The present invention relates to a process for preparing 6-alkoxy-(6H)-dibenzo[c,e][1,2]oxaphosphorins, wherein 6H-dibenzo[c,e][1,2]oxaphosphorin 6-oxides of the formula I are used as the reactant.

Abstract: In an ionizer of an exhaust gas ionization system for ionizing moisture-laden gases in a channel comprising a nozzle plate having circular nozzle openings through which the gases are conducted, a high voltage electrode support grid arranged downstream of the nozzle plate and having electrode pins extending toward the nozzle openings and carrying at their free ends star structures with a number of tips projecting radially toward the circumference of the nozzle openings and being electrically charged for ionizing the moisture laden gases flowing through the nozzle openings past the star structures, the nozzle openings are sufficiently large to cause the gas flow to be slow enough to permit water to flow down along the walls of the nozzle openings against the upward flow of the gases through the nozzle openings.

Abstract: In the calculation or simulation of technical components for use in a technical system wherein calculation programs are provided for various physical variables which are taken into account on a case-to-case basis, a preprocessing method is provided in order to couple programs for physically and geometrically calculating such a component without the need for the creation of a tailor-made calculation program for a specific component. The procedural setup of the processing steps permits a modular composition of the calculation process for the simulation of any type of component subjected to physical influences.

Abstract: In a fluidic drive for disposition between two components which are movable relative to each other comprising a hollow body with a duct for supplying fluid to, and discharging it from, the hollow body wherein the hollow body consists at least partially of a bellows structure, non-resilient ring elements extend around the hollow body in each of its pleats and a connecting structure extends at least at one side of the hollow body and interconnects the non-resilient ring elements.

Abstract: In a method for the treatment of halogen containing waste materials wherein valuable materials and/or energy can be recuperated without the generation of additional halogenated waste materials, the halogen containing waste materials are mixed with a molten substituted or non-substituted polyolefin in an inert gas atmosphere, whereby, upon melting, hydrogen halogenides are formed and the hydrogen halogenides are separated from the mixture.

Abstract: It is the object of the invention to provide a material for retaining polyhalogenated compounds, the material avoiding the drawbacks of activated carbon and polyolefins. The object is accomplished by the use of a material for retaining polyhalogenated compounds, having a filler, which is suitable for adsorbing polyhalogenated compounds, and a polyolefin matrix, into which the material is completely incorporated and enclosed.

Abstract: In a device for electro-deionization (EDI) in the demineralization of aqueous solutions, which device includes ion exchange membranes arranged alternately and in spaced relationship so that between the membranes compartments are formed of which at least some are filled with cation and anion resin exchange particle fractions forming a mixed bed ion exchanger, the ion exchange resin particles of one of the two fractions include a magnetic material and a magnetic field generator is provided for generating a field for orienting the magnetic resin particles and arranging them in parallel chains extending between the membranes.

Abstract: In a device for the re-condensation of low-boiling gases evaporating from a liquid gas container having a tubular neck in which a cold head of a cryo-generator is supported, the cold head includes a pulse tube with a heat exchanger and a cold area having an annular projection extending into an annular recess formed in a heat transfer ring mounted in the tubular neck in closely spaced relationship with the walls of the annular recess so as to provide a gas passage therethrough and permitting relative axial movement between the cold head and the liquid gas container.

Abstract: In a dextran coated surface disposed on a carrier, the connections between the dextran and the carrier surface are formed by a photolinker, the dextran coating being attached to the carrier surface by co-immobilization of a mixture of dextran and the photolinker.

Abstract: An optical distance sensor includes a first substrate provided with a light emitting element and a light detecting element, a one-piece optical structure body on a second substrate, the optical structure body having optical elements for converging incident light in a direction parallel to a surface of the second substrate and for converging an outgoing light beam from the light emitting element and a light beam reflected by an object in the direction parallel to the surface of the second substrate, and lenses for converging incident light in a direction perpendicular to the surface of the second substrate and for converging the outgoing light beam from the light emitting element and the light beam reflected by the object in the direction perpendicular to the surface of the second substrate, respectively.

Abstract: In an automatic biopsy device comprising a housing in which a biopsy needle is axially movably supported by a needle support structure and a cannula extending around the needle is axially movably supported by a cannula support structure, and first and second spring force storage structures are provided for biasing the biopsy needle and the cannula, respectively, toward an extended position and the biopsy needle and cannula support structures are held in a retracted position by respective first and second releasable locking means, releasing means are provided for manually releasing the first locking means to permit the needle to be propelled by the first spring force storage structure and to release the second locking structure by releasing means of the needle support structure to permit the cannula to be propelled by the second spring force storage structure, the biopsy needle and cannula and also the spring force storage structures consisting of a non-magnetizable electrically non-conductive material.

Abstract: In a mass-sensitive sensor consisting of an acoustic surface wave component on the basis of shear waves, the sensor includes a substrate with an active surface carrying two different layers, one which is a parylene layer of a thickness of between 0.2 and <1.6 ?m, which has been produced on the substrate by a vacuum-based deposition method and is capable of generating Love waves and the second layer forms a utilization layer, which interacts with an analyte disposed in a medium contacting the utilization layer.

Abstract: The invention relates to a method for separating out a substance dispersed or dissolved in a first liquid by using the following steps: a) adding magnetizable particles to the first liquid, so that the substance is adsorbed on the particles; b) immersing a rod consisting of a soft magnetic material into the first liquid; c) magnetizing the rod along its longitudinal axis with an exciter coil, thus causing the particles with the adsorbed substance to be deposited on the rod; d) pulling the rod with thereon deposited particles from the first liquid while the rod is still magnetized; e) immersing the rod into a second liquid; f) turning off the exciter coil and washing off the particles deposited on the rod in the second liquid. Also proposed is a magnet separator for realizing the method.

Abstract: In a digital electronic method for increasing the calculation accuracy in non-linear functions and a system for performing the method, wherein an input format has a strictly defined word but the fixed point may be at different locations, the values are so processed that the accuracy of the calculations and also the calculation speed are substantially increased.

Abstract: In a continuous flow microwave heater for heating a fluid including a microwave source connected to an applicator so as to supply microwave energy to the applicator, the applicator is a rectangular block-like resonator space with opposite front walls and side walls with a microwave in-coupling opening in one of the side walls through which the microwave energy is supplied to the resonator space in which a linearly polarized base mode TE10 is excited. A dielectric tube extends through the resonator space to conduct the fluid to be heated through the applicator, the dielectric tube being so arranged that the microwave energy supplied to the applicator is completely dis-sipated into the fluid flowing through the dielectric tube.

Abstract: In an apparatus for the purification of a gas which apparatus includes a three section conduit with an ionization and cleaning section in which particles contained in water-saturated air are ionized and then conducted through a chamber with grounded walls so that part of the particles are deposited on these walls, an additional cleaning section which includes grounded tubes past which the gas is conducted to remove additional charged particles and a filter section in which dry remaining fine particles are removed from the gas stream, the deposited particles are flushed from all three sections and the flushing water including the particles is cleaned and recycled.

Abstract: A sensor head includes a first substrate provided with a light emitting element and a light detecting element, a one-piece optical structure body on a second substrate, the optical structure body having optical elements for converging incident light in a direction parallel to a surface of the second substrate and for converging an outgoing beam from the light emitting element and a light beam reflected by an object in the direction parallel to the surface of the second substrate, and lenses for converging incident light in a direction perpendicular to the surface of the second substrate and for converging the outgoing beam from the light emitting element and the light beam reflected by the object in the direction perpendicular to the surface of the second substrate, respectively.

Abstract: In a surgical applicator tip for delivering clips used for connecting tissues, the applicator tip includes a magazine chamber, which receives a magazine with clips having tissue engagement claws and an operating mechanism by which the clips can be removed from the magazine and supplied to the front end of the applicator such that the claws project forwardly therefrom the applicator tip for piercing and engaging tissue parts. Each clip includes a shoulder with an elbow lever structure which, with the tissue pierced by the claws, is pushed against the shoulder whereby the claws are tilted toward each other for firmly holding the tissue parts in contact with each other.

Abstract: In an inner conductor of a coaxial gyrotron, which inner conductor is disposed on the cathode of the gyrotron and includes an entrance funnel, a center part and an exit funnel, axial corrugations are formed in the conductor by axial grooves formed into its wall such that they begin at the end of the entrance funnel and have, in the center part, an increasing depths up to the exit funnel, in which the depth again becomes steadily smaller, the corrugations being evenly distributed about the inner circumference of the inner conductor.