Abstract: Apparatus for measuring heat capacity of a sample where a series of measurements are taken in succession comprises a sample holder in which a sample to be measured is disposed, a temperature sensor and sample heater for providing a heat pulse thermally connected to the sample, and an adiabatic heat shield in which the sample holder is positioned and including an electrical heater. An electrical power supply device provides an electrical power output to the sample heater to generate a heat pulse. The electrical power from a power source to the heat shield heater is adjusted by a control device, if necessary, from one measurement to the next in response to a sample temperature-versus-time change determined before and after a previous heat pulse to provide a subsequent sample temperature-versus-time change that is substantially linear before and after the subsequent heat pulse.

Abstract: A method of making a permanent magnet wherein 1) a melt is formed having a base alloy composition comprising RE, Fe and/or Co, and B (where RE is one or more rare earth elements) and 2) TR (where TR is a transition metal selected from at least one of Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W, and Al) and at least one of C and N are provided in the base alloy composition melt in substantially stoichiometric amounts to form a thermodynamically stable compound (e.g. TR carbide, nitride or carbonitride). The melt is rapidly solidified in a manner to form particulates having a substantially amorphous (metallic glass) structure and a dispersion of primary TRC, TRN and/or TRC/N precipitates. The amorphous particulates are heated above the crystallization temperature of the base alloy composition to nucleate and grow a hard magnetic phase to an optimum grain size and to form secondary TRC, TRN and/or TRC/N precipitates dispersed at grain boundaries.

Abstract: To improve the resistance to scratching of plastic molded articles comprising a polymer matrix filled with inorganic fillers, the filler content being 50 to 90% by weight in relation to the filled matrix, it is suggested that the filler comprise two filler fractions (a) and (b), wherein the filler fraction (a) has a particle size distribution with 98% by weight of the particles having a particle size .ltoreq.150 .mu.m and is distributed essentially uniformly in the polymer matrix, and wherein the filler fraction (b) comprises particles having a particle size of approximately 300 .mu.m to approximately 3000 .mu.m, wherein the proportion of the filler fraction (b) is approximately 1 to 35% by weight of the total filler content, and wherein the proportion of the filler fraction (b) in an outer surface layer of the molded article is enriched to at least 30% by weight in relation to the total mass of the filled matrix.

Abstract: Stray voltage reduction system for reducing electrical shocks to livestock in a farm and similar building wherein the system senses a voltage between first and second components, such as metal stall stanchion and metal water trough, of a livestock enclosure or holding area and electrically shorts the first and second components for a preset time period when a stray voltage beyond a preset trigger voltage potential difference is detected between the first and second components. The device includes a voltage sensing circuit for sensing voltage between the first and second components, a comparator, and electrical shorting circuit that can include a relay actuated switch responsive to the output of the comparator when a sensed potential difference between the first and second components equals or exceeds a preset trigger value to electrically short (switch closed by relay) the components for a time to reduce the voltage below the trigger value.

Abstract: A method of improving oxidation resistance of a platinum modified aluminide diffusion coating on a substrate involves electroplating the substrate with a platinum layer from an aqueous hydroxide based electroplating solution and aluminizing the substrate to grow the platinum modified aluminide diffusion coating on said layer. The electroplating solution preferably includes an alkali element and/or alkaline earth element that is incorporated in the platinum layer and in the aluminide diffusion coating formed thereon to significantly improve oxidation resistance of the coating.

Abstract: The present invention provides a new tetradentate bis-amido bis-alkoxo, 1,2-(bis-2,20diphenyl-2-hydroxyethanamido)benzene (H.sub.4 PHAB) and various derivatives thereof. This ligand is able to stabilize high valen metal oxo complexes by providing strong sigma donor ligands and through the use of steric bulk to prevent decomposition via formation of the .mu.-oxo dimers. Disclosed are novel metal oxo structural chemistry and oxidation reactions carried out with the novel metal oxo complexes.

Abstract: A titanium silicide material based on Ti.sub.5 Si.sub.3 intermetallic compound exhibits substantially improved oxidative stability at elevated temperatures. In particular, carbon is added to a Ti.sub.5 Si.sub.3 base material in an amount (e.g. about 0.3 to about 3.6 weight % C) effective to impart substantially improved oxidative stability at elevated temperatures, such as about 1000.degree. C. Boron is added to a Ti.sub.5 Si.sub.3 base material in an amount (e.g. about 0.3 to about 3.3 weight % B) to this same end.

Abstract: Tool turret device for machine tools, comprising a turret head bearing device, to which a turret head is attached for rotation about an indexing axis, a turret head indexing device as well as locking means for the turret head, the turret head indexing device having an indexing disk similar to a Maltese cross, which is rotatable about the indexing axis together with the turret head and has a slot open at its circumference for each tool station of the turret head, and a rotarily drivable driver with a driver finger for insertion into the indexing disk slots, wherein for shortening the indexing times and saving on separate locking means the driver has at least two driver fingers arranged at equal distances from the driver axis and the indexing disk slots are equipped at their free ends with arc-shaped curves widening the slot width outwardly in such a manner that angle of rotation regions, in which the driver secures the indexing disk against any rotation, adjoin an angle of rotation region of the driver, over w

Abstract: A CNC automatic lathe has at least one carriage system having an X, a Y, and a Z axis that carries a tool revolver designed as a so-called disk revolver for working with lathe tools and rotary machining tools. In order to reduce as much as possible the distance between a defined cutting plane for the turning process and the carriage system, the Y axis forms with the normal to the cutting plane a relatively small acute angle (beta), so that when the tool revolver is rotated in a controlled manner around its axis, a rotatively driven machining tool mounted on the revolver and located in its working position is swivelled with its axis of rotation through an acute angle out of the cutting plane in the direction of the carriage system. The machining area of the machining tool thus described a movement with a component that extends in the minus direction of the Y axis.

Abstract: A nickel base superalloy composition consisting essentially of, in weight %, 9.3-10.0% Co, 6.4-6.8% Cr, 0.5-0.7% Mo, 6.2-6.6% W, 6.3-6.7% Ta, 5.45-5.75% Al, 0.8-1.2% Ti, 0.07-0.12% Hf, 2.8-3.2% Re, and balance essentially Ni wherein a carbon concentration of about 0.01 to about 0.08 weight % is provided for improving the cleanliness of a single crystal investment casting produced therefrom.

Abstract: Sr.sub.x Ba.sub.1-x Nb.sub.2 O.sub.6, where x is greater than 0.25 and less than 0.75, and KNbO.sub.3 ferroelectric thin films metalorganic chemical vapor deposited on amorphous or crystalline substrate surfaces to provide a crystal axis of the film exhibiting a high dielectric susceptibility, electro-optic coefficient, and/or nonlinear optic coefficient oriented preferentially in a direction relative to a crystalline or amorphous substrate surface. Such films can be used in electronic, electro-optic, and frequency doubling components.

Abstract: In a casting composition comprising a curable syrup which contains a liquid monomer and polymer components optionally dissolved therein, and an inorganic filler which includes a quartz sand product, in order to simplify the production of white molded articles, it is proposed that a product, the individual grain of which consists in the core essentially of quartz and at the surface essentially of .alpha.-cristobalite (low-temperature modification) be selected as quartz sand product.

Abstract: Active magnetic regenerator and method using Gd.sub.5 (Si.sub.x Ge.sub.1-x).sub.4, where x is equal to or less than 0.5, as a magnetic refrigerant that exhibits a reversible ferromagnetic/antiferromagnetic or ferromagnetic-II/ferromagnetic-I first order phase transition and extraordinary magneto-thermal properties, such as a giant magnetocaloric effect, that renders the refrigerant more efficient and useful than existing magnetic refrigerants for commercialization of magnetic regenerators. The reversible first order phase transition is tunable from approximately 30 K to approximately 290 K (near room temperature) and above by compositional adjustments. The active magnetic regenerator and method can function for refrigerating, air conditioning, and liquefying low temperature cryogens with significantly improved efficiency and operating temperature range from approximately 10 K to 300 K and above. Also an active magnetic regenerator and method using Gd.sub.5 (Si.sub.x Ge.sub.1-x).sub.

Abstract: Piston-ringing apparatus comprises a tubular piston nest member for receiving each piston to locate the piston groove in a predetermined ring-receiving position, a plurality of ring cartridges positionable one at a time in alignment with the piston nest member. The aligned ring cartridge is engaged to the piston nest member to permit transfer of rings from the ring cartridge to the piston nest member and disengage the aligned ring cartridge when empty of rings. The stack of rings on the cartridge is moved by opposing fingers toward the piston groove to position an endmost ring residing on the nest member in the groove of each successive piston received in the nest member while the aligned ring cartridge is engaged thereto. A fiber optic switch is provided for directing a light beam tangentially through the piston groove to determine whether a ring is positioned therein. The switch provides a finger motor drive signal to stop feeding of a ring to the piston groove when a ring is present in the piston groove.

Abstract: Dental suction device comprising a collection tank, a motor operably associated with the collection tank for generating a relative vacuum therein, and a flapper release valve disposed inside a downwardly extending drain conduit communicated to the collection tank and opening when the motor is inoperative for draining the contents of the collection tank through the drain conduit when the motor is inoperative. The collection tank comprises a reinforced plastic tank having an enlarged internal capacity to provide at least day-long collection such that there is no interruption in the operation of the dental suction device during a working day.

Abstract: Method and apparatus for making metallic powder particles wherein a metallic melt is atomized by a rotating disk or other atomizer at an atomizing location in a manner to form molten droplets moving in a direction away from said atomizing location. The atomized droplets pass through a series of thin liquid quenching sheets disposed in succession about the atomizing location with each successive quenching sheet being at an increasing distance from the atomizing location. The atomized droplets are incrementally cooled and optionally passivated as they pass through the series of liquid quenching sheets without distorting the atomized droplets from their generally spherical shape. The atomized, cooled droplets can be received in a chamber having a collection wall disposed outwardly of the series of liquid quenching sheets.

Abstract: A fuel injection system for a gas turbine engine combustion chamber comprises at least one pilot fuel injector having a fuel discharge passage communicated to the combustion chamber and at least one secondary fuel injector having a fuel discharge passage communicated to the combustion chamber and a fuel purging passage communicated to a higher pressure region upstream of the combustion chamber. A fuel flow control device supplies metered fuel flow to the pilot fuel injector under all regimes of engine operation and to the secondary fuel injector under certain, intermittent regimes of engine operation requiring fuel flow above a selected level. A shuttle valve is movable to a first position to provide fuel flow communication between the fuel control device and the fuel discharge passage of the secondary fuel injector for fuel injection to the combustion chamber.

Abstract: In order to improve the printing capability with high-performance laser printers and the subsequent processing of a single-layered paper article, in particular, a single-sheet mailer having an adhesive coating adapted to be activated for adhering a single layer with itself or with further layers, it is suggested that a component is added to the adhesive coating which can absorb the separating agents used during laser printing and can remove them from the paper surface. According to the invention, additives of oleophilic bentonite and/or polyvinyl alkylether and/or polyethylene glycol are suggested.

Abstract: In order to improve the printing capability with high-performance laser printers and the subsequent processing of a single-layered paper article, in particular, a single-sheet mailer having an adhesive coating adapted to be activated for adhering a single layer with itself or with further layers, it is suggested that a component is added to the adhesive coating which can absorb the separating agents used during laser printing and can remove them from the paper surface. According to the invention, additives of oleophilic bentonite and/or polyvinyl alkylether and/or polyethylene glycol are suggested.

Abstract: A pneumatic ambulatory traction device comprises modular components that can be readily stowed at a facility or in a vehicle with minimum as-stowed space requirements and that can be readily and quickly assembled into a compact traction device usable at a facility, in a vehicle, at an accident site and the like to provide pneumatic traction force to a patient's body in a manner that can be controlled and varied as may be needed. The traction device comprises an elongated tubular housing connectable to a support, which may include an operating table or bed or a stretcher in a vehicle or at an accident site. A pneumatic cylinder is disposed in the housing and a piston is received in the cylinder and includes a piston rod movable in response to cylinder pressure to apply a traction force correlated to the cylinder pressure via a flexible cable connected to the piston rod and to a patient's body.