Abstract: The invention relates to a method for reducing CO2 emissions in the operation of a metallurgical plant which comprises at least one blast furnace for producing crude iron and a converter steel mill for producing crude steel. According to the invention, at least a partial amount of the blast-furnace top gas that occurs in the blast furnace in the production of crude iron and/or a partial amount of the converter gas that occurs in the production of crude steel is taken for producing syngas that is used for producing chemical products. At the same time, the energy demand of the metallurgical plant is at least partly covered by using electricity that is obtained from renewable energy.

Abstract: The invention relates to a plant complex for steel production comprising a blast furnace for producing pig iron, a converter steel mill for producing crude steel and a gas-conducting system for gases that occur when producing the pig iron and/or producing the crude steel. According to the invention, the plant complex additionally has a chemical plant or biotechnological plant, connected to the gas-conducting system, and also energy storage for covering at least part of the electricity demand of the plant complex. Also the subject of the invention is a method for operating the plant complex.

Abstract: The invention relates to a plant complex for steel production comprising a blast furnace for producing pig iron, a converter steel mill for producing crude steel and a gas-conducting system for gases that occur in the production of pig iron and/or in the production of crude steel. According to the invention, the plant complex additionally has a chemical or biotechnological plant connected to the gas-conducting system and a plant for producing hydrogen. The plant for producing hydrogen is connected to the gas-conducting system by a hydrogen-carrying line. Also the subject of the invention is a method for operating the plant complex.

Abstract: A sputtering target for the production of layers such as optical layers, the layers produced by the target, and a method for producing the target are described. In addition to Si or a combination of Si and Al, the sputtering target contains metal oxide(s), a combination of at least two metal oxides, or a combination containing at least one metal oxide in the form of an alloy or in the form of a mixture. The sputtering target has a metal oxide fraction generated by the Si and Al and the metal oxide(s) or the combination thereof. Preferably, the metal oxide in the sputtering target is a metal oxide selected from ZrO2, Ta2O5, Y2O3, HfO, CaO, MgO, Ce2O3, Al2O3, TiO2 and Nb2O5.

Abstract: The present invention relates to a compound represented by formula (E). The present invention also relates to a compound represented by the formula (E) for use in the treatment or prevention of diseases linked to protein aggregation and/or neurodegenerative diseases. Moreover, the present invention relates to pharmaceutical and diagnostic compositions comprising the compound of the invention as well as to a kit. Furthermore, the present invention relates to a method of imaging deposits of aggregated protein. A kit for preparing a detectably labelled compound of the present invention is also disclosed.

Abstract: A method for diagnosing a sensor element for detecting at least one fraction of a gas component of a gas in a measuring gas chamber, in particular a sensor element for detecting oxygen in an exhaust gas of an internal combustion engine. The sensor element includes at least one first electrode, to which the gas may be applied, and at least one second electrode, the first electrode and the second electrode being connected via at least one solid electrolyte. A diagnostic signal is applied between the first electrode and the second electrode, a response signal being detected between the first electrode and the second electrode.

Abstract: A light-absorbing layer system includes an absorber layer having an oxidic matrix. The oxidic matrix is based on a base component made of zinc oxide, tin oxide and/or indium oxide, and on an added component which can replace the base component K1 up to a fraction of 75% by weight. The added component consists of niobium oxide, hafnium oxide, titanium oxide, tantalum oxide, vanadium oxide, yttrium oxide, zirconium oxide, aluminum oxide and/or mixtures thereof. A blackening component, made of molybdenum, tungsten and alloys and mixtures thereof, is distributed in the matrix and is present either as metal or as substoichiometric-oxidic compound of the metal, such that the layer material has a degree of reduction which is defined by an oxygen content of at most 65% of the stoichiometrically maximum oxygen content. The weight fraction of the blackening component is in the range between 20 and 50% by weight.

Abstract: There are described a height adjusting device for an extendable screed plate for a road finisher and a road finisher comprising such a device. A ground element of the extendable screed plate is disposed with two pairs of worm gears on a top part of the extendable screed plate for vertical displacement thereon, wherein the worm gears of each pair are interconnected by a power transmission for concomitant actuation. Each pair is provided with a releasable clutch, preferably a conical clutch, by means of which the connection between an adjusting member of a pair and the associated transmission gear can be broken.

Abstract: The present invention relates to an attachment screed unit for a road paver, comprising a connecting screed, at least one adjusting screed which is adjustably mounted on the connecting screed and which is adjustable between a retracted position (P1) and an extended position (P2), as a result of which the paving width (b4) of the attachment screed unit can be set in a variable manner, and a hydraulic adjusting device, which is arranged in such a manner that it can adjust the at least one adjusting screed between the retracted position (P1) and the extended position (P2), the adjusting device comprising an electro-hydraulic unit which is arranged on the attachment screed unit (10), and the electric hydraulic unit comprising a separate hydraulic circuit with at least one hydraulic pump and an actuator. The present invention further relates to a road paver with such an attachment screed unit.

Abstract: The present invention relates to a vibration exciter for generating a directed excitation vibration, especially for installation in a vibration tamper, and a machine with such a vibration exciter, comprising at least two parallel extending unbalance shafts which are rotatable against one another, on which at least one respective fixed unbalance mass and at least one respective movable unbalance mass are arranged, with the positions of the movable unbalance masses on the unbalance shafts being variable by way of an adjusting device for adjusting the amplitude of the exciter vibration, and with the adjusting device comprising a central adjusting element for amplitude adjustment which acts on the movable unbalance masses of the two unbalance shafts, which central adjusting element is arranged coaxially to a rotational axis (AS) about which the vibration exciter is rotatable for the purpose of vector adjustment of the excitation vibration.

Abstract: An apparatus is provided for the articulated connection of two vehicle frames, a front and a rear frame, of a construction machine, especially a vibration roller. The apparatus comprises a pivot joint with a vertical pivot axis and a crab-steering joint with a vertical rotational axis, a connection support which connects the pivot joint and the crab-steering joint with one another, and a connecting rod which is linked on one side to the vehicle frame and on the other side to the connection support. The apparatus further comprises a steering drive for relative pivoting of the front and rear frame about the pivot axis, and a crab-steering drive for setting a lateral offset between the front and the rear frame.

Abstract: A road roller is described comprising a front carriage and a rear carriage, which are interconnected by an articulated swivel joint, wherein the front carriage and the rear carriage each comprise a front carriage frame and a rear carriage frame. The front carriage frame and/or the rear carriage frame consist of beams including a main beam, which extends horizontally along the longitudinal median plane of the road roller and at one end of which the articulated swivel joint is disposed, and comprises two side beams diverging from the free end of the main beam to form a “V”. Disposed thereon are the supports for supporting the drums, wherein the side beams are upwardly oriented.

Abstract: A vibration exciter is provided. The vibration exciter includes a shaft and at least two unbalanced weights arranged on the shaft, in which the radial distance of the common center of gravity of the unbalanced weights from the rotational axis of the shaft is adjustable in an infinitely variable way by means of a gear. The vibration exciter comprises a gear which is a spatial coupling gear, e.g. a spatial vibration slider gear. A simple and compact configuration of the vibration exciter is thus proposed, in which the required adjusting forces for changing the imbalance are very low.

Abstract: An electrical stepper motor comprises a magnetical rotor and at least two electromagnetical driving coils for causing rotation of the rotator. A method of detecting an operating condition of the as e.g. a stall state of the electrical stepper motor comprises the steps of connecting one contact pin (P, M) of at least one of the electromagnetical driving coils via a high-impedance resistor (R1, R2) to a defined voltage source during a non-activated state of the driving coil, detecting a voltage induced at the driving coil during the non-activated state and converting the detected voltage into a digital signal, and digitally analyzing the digital signal and deriving an operating condition of the rotor by evaluation of the signal waveform including positive and negative components of the signal.

Abstract: There are described a height adjusting device for an extendable screed plate for a road finisher and a road finisher comprising such a device. A ground element of the extendable screed plate is disposed with two pairs of worm gears on a top part of the extendable screed plate for vertical displacement thereon, wherein the worm gears of each pair are interconnected by a power transmission for concomitant actuation. Each pair is provided with a releasable clutch, preferably a conical clutch, by means of which the connection between an adjusting member of a pair and the associated transmission gear can be broken.

Abstract: A method for the heat recovery from a tunnel cooling apparatus, having one or several cooling cells for cooling products in containers by means of a cooling agent circulating in a coolant circuit, and a heat exchanger; including: controlling the circulating quantity of the coolant, and controlling the temperature of the coolant, wherein both the circulating quantity and the temperature of the coolant are measured and controlled on the basis of comparisons with predefined parameters, so that the thermal yield of the heat exchanger is optimized.

Abstract: A method of calibrating a module whose operation is dependent upon a module clock signal, the method comprising: over each calibration period of a plurality of such periods, obtaining a measure of the frequency of an observed signal, the observed signal being the module clock signal or a clock signal generated based upon the module clock signal; influencing operation of the module in dependence upon the obtained measures so as to calibrate the module; and for each said calibration period, taking account of a position in time of the end of that calibration period relative to a particular feature of the observed signal and delaying the start of the following calibration period relative to a subsequent said particular feature of the observed signal in dependence upon that position.

Abstract: A road roller is described comprising a front carriage and a rear carriage, which are interconnected by an articulated swivel joint, wherein the front carriage and the rear carriage each comprise a front carriage frame and a rear carriage frame. The front carriage frame and/or the rear carriage frame consist of beams including a main beam, which extends horizontally along the longitudinal median plane of the road roller and at one end of which the articulated swivel joint is disposed, and comprises two side beams diverging from the free end of the main beam to form a “V”. Disposed thereon are the supports for supporting the drums, wherein the side beams are upwardly oriented.

Abstract: A method for diagnosing a sensor element for detecting at least one fraction of a gas component of a gas in a measuring gas chamber, in particular a sensor element for detecting oxygen in an exhaust gas of an internal combustion engine. The sensor element includes at least one first electrode, to which the gas may be applied, and at least one second electrode, the first electrode and the second electrode being connected via at least one solid electrolyte. A diagnostic signal is applied between the first electrode and the second electrode, a response signal being detected between the first electrode and the second electrode.

Abstract: The present invention relates to a vibration exciter for generating a directed excitation vibration, especially for installation in a vibration tamper, and a machine with such a vibration exciter, comprising at least two parallel extending unbalance shafts which are rotatable against one another, on which at least one respective fixed unbalance mass and at least one respective movable unbalance mass are arranged, with the positions of the movable unbalance masses on the unbalance shafts being variable by way of an adjusting device for adjusting the amplitude of the exciter vibration, and with the adjusting device comprising a central adjusting element for amplitude adjustment which acts on the movable unbalance masses of the two unbalance shafts, which central adjusting element is arranged coaxially to a rotational axis (AS) about which the vibration exciter is rotatable for the purpose of vector adjustment of the excitation vibration.