Abstract: A tap hole cleaning apparatus (20) for an electric arc furnace and a corresponding electric arc furnace (1) enable the cleaning of a tap hole (12) of an electric arc furnace (1) comprising a furnace vessel (2) having an eccentric or offset bottom tap hole (12). A lance head (24) is movable in a first step from a lower end position to an upper end position into and through the tap hole (12), and in a second step, the lance head (24) is movable back through the tap hole (12) from the upper end position to the lower end position while ejecting oxygen through one or more lateral oxygen ejection nozzles to clean the inner periphery of the tap hole (12).

Abstract: A tap hole cleaning apparatus (20) for an electric arc furnace and a corresponding electric arc furnace (1) enable the cleaning of a tap hole (12) of an electric arc furnace (1) comprising a furnace vessel (2) having an eccentric or offset bottom tap hole (12). A lance head (24) is movable in a first step from a lower end position to an upper end position into and through the tap hole (12), and in a second step, the lance head (24) is movable back through the tap hole (12) from the upper end position to the lower end position while ejecting oxygen through one or more lateral oxygen ejection nozzles to clean the inner periphery of the tap hole (12).

Abstract: A latent heat storage system includes at least one latent heat storage device which contains a storage medium with latent heat, at least one heat pump coupled to the latent heat storage device, at least one extraction circuit which has a first heat carrier medium and with which, during normal operation, in accordance with the intended purpose, heat can be extracted from the storage medium and supplied to the heat pump on the input side, and an extraction heat exchanger which is in contact with the storage medium, wherein the extraction heat exchanger is connected to the extraction circuit. Between the extraction heat exchanger and the heat pump, a coupling device is arranged in a connection line, which at least temporarily supplies a second heat carrier medium, which can be heated by at least one heat source, into a section of the connection line. A method for operating a latent heat storage system is also provided.

Abstract: An energy store includes a housing having a storage medium with latent heat during a phase transfer, which is provided during operation for solidifying into a solid phase and for melting into a liquid phase, including a first storage region which is provided at least periodically for the solid phase and in which an extractor heat exchanger is arranged for extracting heat, wherein the first storage region has a vertical axis, including a second storage region provided for the liquid phase, when the solid phase is present in the first storage region, wherein at least sections of the second storage region are provided as a casing around the first storage region, wherein at least one portion of a regeneration device is arranged in the second storage region for supplying heat.

Abstract: A latent heat storage system includes at least one latent heat storage device which contains a storage medium with latent heat, at least one extraction circuit by means of which, in accordance with the intended purpose, heat can be extracted from the storage medium, and at least one regeneration circuit by means of which, in accordance with the intended purpose, heat can be supplied into the storage medium. The at least one latent heat storage device includes at least one extraction heat exchanger which is in contact with the storage medium and can be connected to the extraction circuit, and at least one regeneration arrangement within the storage medium, which can be connected to the regeneration circuit. A coupling device is provided, by which the at least one extraction heat exchanger can be at least temporarily coupled to the at least one regeneration arrangement for common heat extraction from the storage medium or for common heat supply into the storage medium.

Abstract: An energy store includes a housing having a storage medium with latent heat during a phase transfer, which is provided during operation for solidifying into a solid phase and for melting into a liquid phase, including a first storage region which is provided at least periodically for the solid phase and in which an extractor heat exchanger is arranged for extracting heat, wherein the first storage region has a vertical axis, including a second storage region provided for the liquid phase, when the solid phase is present in the first storage region, wherein at least sections of the second storage region are provided as a casing around the first storage region, wherein at least one portion of a regeneration device is arranged in the second storage region for supplying heat.

Abstract: A semiconductor device that includes an electrode of one material and a conductive material of lower resistivity formed over the electrode and a process for fabricating the semiconductor device.

Abstract: A semiconductor device that includes an electrode of one material and a conductive material of lower resistivity formed over the electrode and a process for fabricating the semiconductor device.

Abstract: A semiconductor device that includes an electrode of one material and a conductive material of lower resistivity formed over the electrode and a process for fabricating the semiconductor device.

Abstract: Methods are provided for communicating information via a tactile sense is provided. In one embodiment, the method comprises receiving input information at a controller comprising a processor. In addition, the method comprises generating a tactile sequence from the input information according to a predetermined communication structure via the controller and transmitting the tactile sequence to a display comprising a plurality of activators. Thereafter, the method comprises outputting the tactile sequence on the display. Systems are also provided for carrying out the described methods.

Abstract: A method for adapting a training system based on information obtained from a user using a training system during a training scenario, the method including measuring a neurophysiological state, a physiological state, and/or a behavioral state of a user while a training scenario is in progress, diagnosing at least one performance deficiency of the user and/or a learned training objective while the training scenario is in progress, and adapting the training scenario during the training scenario and/or for a subsequent operation of the training scenario in response to information learned during diagnosing the at least one performance deficiency and/or a learned training objective to meet an objective of the training scenario. A system and computer software code for adapting the training system based on information obtained from the user using the training system during a training scenario is also disclosed.

Abstract: Methods are provided for communicating information via a tactile sense is provided. In one embodiment, the method comprises receiving input information at a controller comprising a processor. In addition, the method comprises generating a tactile sequence from the input information according to a predetermined communication structure via the controller and transmitting the tactile sequence to a display comprising a plurality of activators. Thereafter, the method comprises outputting the tactile sequence on the display. Systems are also provided for carrying out the described methods.

Abstract: A semiconductor device that includes an electrode of one material and a conductive material of lower resistivity formed over the electrode and a process for fabricating the semiconductor device.

Abstract: In one embodiment, a method is provided for classifying cognitive activity in an individual. In the method, a candidate time interval is identified from a first type of physiological data within which cognitive processing is expected to occur for the individual. In addition, a second type of physiological data is obtained that comprises data representative of a cognitive state of the individual. Further, the data representative of a cognitive state of the individual is extracted from the second type of physiological data based on the identified candidate time interval.

Abstract: A semiconductor device that includes an electrode of one material and a conductive material of lower resistivity formed over the electrode and a process for fabricating the semiconductor device.

Abstract: A semiconductor device that includes an electrode of one material and a conductive material of lower resistivity formed over the electrode and a process for fabricating the semiconductor device.

Abstract: A semiconductor device that includes an electrode of one material and a conductive material of lower resistivity formed over the electrode and a process for fabricating the semiconductor device.

Abstract: A semiconductor device that includes an electrode of one material and a conductive material of lower resistivity formed over the electrode and a process for fabricating the semiconductor device.