Abstract: A sensor arrangement is provided for temperature measurement in melts, in particular in metal or cryolite melts having a melting point above 600° C., using a temperature sensor. A method for the measurement with this sensor arrangement is also provided.

Abstract: A cartridge system for application of a flowable material has at least one cartridge having cartridge walls, one cartridge head, and one feed plunger opposite the cartridge head for expelling a cartridge content. The cartridge has at least one opening in the cartridge head or the cartridge wall that can be closed through a valve, wherein a rotatable valve is mounted in rotatable manner in a bracket on the cartridge head or cartridge heads or a shiftable valve is mounted in shiftable manner in a bracket on the cartridge. The valve has at least one passage through the valve that is connected to an outlet opening, the valve, in a closed position, closes in a sealed manner at least one opening of at least one cartridge, in particular all openings of all cartridges, the passage or passages is/are connected to the opening or openings in an open position of the valve such that a cartridge content can be squeezed from the cartridge or cartridges through the outlet opening.

Abstract: A cartridge system for application of a material has at least one cartridge having at least one cartridge has cartridge walls and one cartridge head each having at least one opening in each cartridge head, and a bracket that is arranged on the cartridge head or cartridge heads. A valve is mounted in rotatable manner in the bracket, wherein the valve has at least one passage through the valve that is connected to an outlet opening, wherein the valve, in a closed position, closes at least one opening of at least one cartridge, in particular all openings of all cartridges, in a sealed manner. The at least one passage is connected to the opening or openings in an open position of the valve such that the cartridge content can be squeezed out of the at least one cartridge through the outlet opening, and further wherein the valve can be transitioned from a closed position to an open position through a rotation of the valve.

Abstract: A dispensing device for cartridges having a trigger grip for operating a valve of the dispensing device, a connection for supplying a pressurised gas, a cartridge connector for connecting a cartridge, and a base body, in which at least one passage extends through such that pressurised gas can be guided to the cartridge connector. The cartridge connector comprises an opening towards the passage such that the content can be expelled from the cartridge upon application of the pressurised gas to the floor of a cartridge when the cartridge is arranged in the cartridge connector, and wherein the passage can be closed and opened through the operated valve. The valve has a valve body that is arranged in the base body in a rotatable manner, wherein a motion of the trigger grip leads to a rotation of the valve body in the base body.

Abstract: A dispensing device for cartridges having a connection for supplying a pressurised gas, a base body, in which at least one passage and/or channel extends through which the pressurised gas can be guided to a first cartridge connector for connecting a cartridge. The first cartridge connector has a first opening towards the passage and/or the front channel such that a cartridge content can be expelled from the cartridge through application of the pressurised gas to a cartridge when the cartridge is arranged in the cartridge connector, wherein a second cartridge connector having a larger cross-section and a second opening is arranged at a front edge of the first cartridge connector The second cartridge connector is suitable for connecting a larger cartridge, and wherein the second opening of the second cartridge connector is sufficiently large to allow a cartridge to be connected to the first cartridge connector proceeding through the second opening.

Abstract: A cartridge system mixes and applies a mixing ware, such as, for example, a medical cement. The cartridge system has two cartridges that are arranged parallel to each other, and a mixing space having an outlet opening, wherein the cartridges each comprise at least one opening in the cartridge walls that connects the cartridges to the mixing space. The cartridges each comprise a feed plunger for expelling starting components of the mixing ware out of the cartridges through the openings, wherein a closure that can be shifted in the mixing space is arranged in the mixing space in a manner such that it closes the openings of the cartridges in a starting position and in that the openings to the mixing space are opened, at least in part, in a final position of the shiftable closure, wherein the shiftable closure can be shifted from a starting position to a final position.

Abstract: A gas-discharge lamp (deuterium lamp) is provided having a lamp bulb (26) filled with gas, an anode (12) disposed inside the lamp bulb, a cathode (10) spaced from the anode inside the lamp bulb, a housing having a molded body (18), a rear housing wall (24), and a housing base made at least partially of electrically nonconductive material. The housing base includes a housing front (16), an intermediate housing wall (22), a cathode space (28), and a cathode shielding window (20). The cathode shielding window is insulated from the molded body and/or is made of an insulating material. The gas-discharge lamp is particularly applicable for analytical purposes.

Abstract: One aspect relates to a method for producing an alloy, whereby the alloy consists of three metals and the three metals are selected from the group consisting of tantalum, tungsten, and niobium. The method according to one embodiment is characterized by a) grinding the tantalum to form a tantalum powder and grinding the tungsten to form a tungsten powder; b) mixing the tantalum powder and the tungsten powder to form a blended powder, whereby the weight fraction of tungsten powder in the blended powder is larger than in the desired alloy; c) producing a blended body from the blended powder by means of a powder metallurgical route; d) producing a pre-alloy by means of a first melting of the blended body and at least a fraction of at least one further metal by means of a melt metallurgical route; and e) producing the alloy by means of a second melting of the pre-alloy and the remaining fraction of at least one metal by means of a melt metallurgical route.

Abstract: A method is provided for influencing the properties of cast iron by adding magnesium to the cast iron melt and measuring the oxygen content of the cast iron melt. Magnesium is added to the cast iron melt until the oxygen content of the cast iron melt is approximately 0.005 to 0.2 ppm at a temperature of approximately 1,420° C. A sensor for measuring the oxygen content in cast iron melts contains an electrochemical measuring cell containing a solid electrolyte tube.

Abstract: An infrared emitter has at least one emitter tube (11) having pinched sections at each of its ends. At least one opaque tube portion (12) is arranged in a manner welded in alignment with the at least one emitter tube. The infrared emitter may be installed in a processing chamber (21).

Abstract: Provided is a doped quartz glass member for plasma etching, which is used in a plasma etching process and is free from any problematic fluoride accumulation during use. The quartz glass member for plasma etching is used as a jig for semiconductor production in a plasma etching process, and includes at least two or more kinds of metal elements in a total amount of 0.01 wt % or more to less than 0.1 wt %, in which the metal elements are formed of at least one kind of a first metal element selected from metal elements belonging to Group 3B of the periodic table and at least one kind of a second metal element selected from the group consisting of Mg, Ca, Sr, Ba, Sc, Y, Ti, Zr, Hf, lanthanoids, and actinoids.

Abstract: A method is provided for applying back contact silver busbars to an aluminum back surface field (BSF) of a solar cell.

Abstract: A method is provided for producing a wire or tape, especially for use as an electrode or electrode tip in spark plugs. The method includes the following steps: (a) producing an intermetallic compound having a melting point above 1700° C.; (b) grinding the intermetallic compound; (c) mixing the intermetallic compound with metal powder; (d) introducing the mixture obtained in step (c) in a tube produced from ductile material; and (e) shaping the tube filled in step (d) to give a wire or tape. Also provided are a wrapped wire or wrapped tape, especially a semifinished product for producing electrodes or electrode tips of spark plugs.

Abstract: A device is provided for use at temperatures above 1000° C. or in steel melts. The device has a body based on a material selected from at least one of high temperature-resistant hollow balls and high temperature-resistant hollow fibers. The body further contains water glass and a cement.

Abstract: One aspect relates to a method for producing an electrical bushing for an implantable device, a corresponding electrical bushing, and a corresponding implantable device. The method according to one embodiment is characterized in that a green blank is produced and sintered from an electrically insulating base body green blank made of a ceramic slurry or powder and at least one electrically conductive bushing body green blank made of a cermet material. The at least one bushing body green blank is inserted into a bushing opening of the base body green blank to form a composite green blank, a shape of the at least one bushing body green blank and a shape of the at least one bushing opening are complementary to each other at least in sections thereof and prevent slippage of the bushing body green blank through the bushing opening. The composite green blank is sintered while applying a force that keeps the bodies together.

Abstract: One aspect relates to a method for producing an electrical bushing for an implantable device, an electrical bushing, and an implantable device. The method according to one embodiment includes forming a base body from a ceramic slurry and introducing a bushing conductor made of a metal powder, metal slurry, cermet powder and/or cermet slurry into the base body. The metal fraction in the bushing conductor is provided to decrease towards the base body. It includes sintering the green blank that includes the base body and the bushing conductor.

Abstract: A paste is provided from which bone cement can be formed, which is to the largest extent possible bubble-free and has a high impact strength. The paste includes (i) 15-50 weight percent of at least one mono-functional, hydrophobic methacrylic acid ester, (ii) 40-85 weight percent of at least one filler, (iii) 0.01-4 weight percent of at least one radical initiator soluble in the methacrylic acid ester (i) and having at least one peroxide group, (iv) 0.01-4 weight percent of at least one radical initiator soluble in the methacrylic acid ester (i) and having no peroxide groups, (v) 0.000001-3 weight percent of at least one accelerator soluble in the methacrylic acid ester (i) and capable of forming radicals from the radical initiators according to (iii) and (iv), (vi) 0.001-5 weight percent of at least one halide salt, and (vii) 0.2-3 weight percent of at least one cross-linking agent.

Abstract: A device is provided with which it is possible to produce poly(methyl methacrylate) bone-cement paste, which is degassed to the greatest extent possible, while avoiding large-volume mixing containers and large cement volumes contained therein. The device includes a tubular hollow body (10) having a first opening (30) on the input side and a second opening (20) on the output side, at least one rotatably-mounted shaft (40) arranged in the axial direction in the tubular hollow body (10), thread turns (50) arranged axially along the outer side of the shaft (40), wherein the shaft (40) has at least one section with thread turns (50) whose pitch decreases in the direction of the second opening (20), at least one stirring blade (60) arranged on the shaft (40), and rigid mixing elements (70) arranged on the inner side of the tubular hollow body (10).

Abstract: A method is provided for operating an amalgam lamp, wherein the amalgam lamp has an emitter tube filled with inert gas. The amalgam is heated in the emitter tube by an external energy source. The amalgam lamp has an amalgam deposit.

Abstract: A microbial strain which converts anthracycline metabolites into non-natural anthracycline antibiotics is described. A process for converting anthracycline metabolites into anthracycline antibiotics using a microbial strain is also described.