Abstract: In an embodiment, a silencer of a vehicle's exhaust system for a fuel cell system is capable of reducing high-frequency noise and reducing noise generated from a drain, wherein the silencer includes a housing having an inlet and an outlet, a perforated tube located in the housing, the perforated tube having a plurality of through-holes, at least one baffle interposed between the housing and the perforated tube to partition a space between the housing and the perforated tube into a plurality of resonance chambers, and a cover installed in the housing to support the perforated tube and to partition the most downstream resonance chamber.

Abstract: A secondary battery includes a first cathode group in which first cathodes are stacked adjacent to each other, a second cathode group in which second cathodes are stacked adjacent to each other, and anodes facing the first cathode or the second cathode. Each of the first cathodes includes a first cathode current collector and a first cathode active material layer on the first cathode current collector. Each of the second cathodes includes a second cathode current collector and a second cathode active material layer on the second cathode current collector. The second cathode active material layer has a different active material composition or a different stacked structure from that of the first cathode active material layer.

Abstract: A vehicle seat reinforcement device includes a leg portion mounted on a floor panel, a seat cushion frame slidably mounted on the leg portion, and a load reinforcing structure connected between the leg portion and the seat cushion frame, wherein when a seat belt anchorage load is transferred to the seat cushion frame, the seat cushion frame is locked to the leg portion by the load reinforcing structure.

Abstract: A motor includes a stator on which an armature coil is wound, a rotor disposed inside the stator, a superconducting field coil being wound thereon and, a controller configured to control the motor, in which the controller is configured to control an armature current supplied from an AC source to the armature coil and a field current supplied from a DC source to the field coil, and charge at least a certain ratio of the field coil before starting the motor.

Abstract: Proposed is a bobbin for a superconducting motor by which cooling performance can be obtained and structural stability can be expected. The bobbin for a motor includes a bobbin body on which a superconducting coil is wound and a reinforcement including a reinforced plastic including reinforcing fiber and surrounding a side surface of the bobbin body.

Abstract: A capacitor-less semiconductor memory device and a method for fabricating the same are provided. The semiconductor memory device includes a first metal-oxide semiconductor film, a second metal-oxide semiconductor film spaced apart from the first metal-oxide semiconductor film, a first gate electrode intersecting the first metal-oxide semiconductor film and the second metal-oxide semiconductor film, a first gate dielectric film interposed between the first metal-oxide semiconductor film and the first gate electrode, a charge storage film in the first gate dielectric film, the charge storage film extending along at least a portion of the first metal-oxide semiconductor film and connected to the second metal-oxide semiconductor film, a second gate electrode spaced apart from the first gate electrode and intersecting the second metal-oxide semiconductor film, and a second gate dielectric film interposed between the second metal-oxide semiconductor film and the second gate electrode.

Abstract: Disclosed are a perovskite color converter and a method for manufacturing the same. In order to maintain strong physical properties, the siloxane resin is synthesized in two steps. The silane precursor performs siloxane bond through a non-aqueous sol-gel reaction to form a siloxane resin, and a bond between methacrylate group, and a bond between methacrylate group and an organic ligand are formed through a secondary cross-linking reaction.

Abstract: An anode for a secondary battery is provided, the anode for a secondary battery including: an anode current collector; a first anode mixture layer formed on at least one surface of the anode current collector, and including a first silicon-based active material and a first conductive material; and a second anode mixture layer formed on the first anode mixture layer, and including a second silicon-based active material and a second conductive material, wherein a content of the first silicon-based active material in the first anode mixture layer is lower than a content of the second silicon-based active material in the second anode mixture layer, and a Radial Breathing Mode (RBM) peak is observed in a Raman spectrum obtained from a surface of the second anode mixture layer.

Abstract: An electric motor includes a back yoke provided as an outermost layer of a stator, a stator core including a first teeth portion protruding from the back yoke toward the center portion of the stator and a second teeth portion protruding upwards from the external upper surface of the first teeth portion, a coil winding around the stator core, and a rotor in which a permanent magnet is mounted on the rotor core and which rotates through a magnetic interaction with the stator.

Abstract: Disclosed are a spiral curve type music sheet in which different notes are displayed at different positions on a spiral curve based on the pitches of notes, and an apparatus and method for providing a spiral curve type music sheet. The apparatus for providing a spiral curve type music sheet may include a memory configured to store a spiral curve type music sheet in which different notes are displayed at different positions on a spiral curve based on the pitch of the note and note data, and a processor configured to determine the note symbol position related to the note data on the spiral curve in the spiral curve type music sheet based on the frequency of the note data.

Abstract: A light emitting device and a production method thereof. The light emitting device includes a light emitting layer including a plurality of quantum dots, and an electron auxiliary layer disposed on the light emitting layer, the electron auxiliary layer configured to transport electrons, inject electrons into the light emitting layer, or a combination thereof, wherein the electron auxiliary layer includes a plurality of metal oxide nanoparticles and a nitrogen-containing metal complex. The metal oxide nanoparticles include zinc and optionally a dopant metal, the dopant metal includes Mg, Co, Ga, Ca, Zr, W, Li, Ti, Y, Al, Co, or a combination thereof and a mole ratio of nitrogen to zinc in the electron auxiliary layer is greater than or equal to about 0.001:1.

Abstract: Provided is a ReBCO-based high-temperature superconductor composition and a method of preparing the same comprising substituting a part of Gd with Ho, wherein the ReBCO-based high-temperature superconductor is represented by ReBa2Cu3O7-?, in which Re comprises or consists of Gd and Ho. The superconductor may improve the critical current density without a change in the critical temperature.

Abstract: The present invention relates to a method for obtaining a compound, after removing at least a portion of insoluble substances or macromolecules from a fermentation broth, by performing one or more of the following steps (a) to (c), and recovering a desired compound: (a) increasing the concentration of a desired compound in the fermentation broth; (b) reducing the concentration of a residual carbon source or alcohol in the fermentation broth; and (c) reducing the concentration of ionic components in the fermentation broth.

Abstract: A fluid filling nozzle may include a nozzle part configured to guide a fluid from an interior thereof along a reference direction, a rotation part coupled to a side of the nozzle part in the reference direction such that an end thereof in an opposite direction to the reference direction is rotatable, and a guide part, in which the nozzle part is disposed in an interior thereof, and that is configure to guide the nozzle part to move parallel or antiparallel to the reference direction. The guide part May be configured to engage a portion of the rotation part such that the rotation part is rotated if the guide part is moved parallel or antiparallel to the reference direction.

Abstract: A method for operation of a user terminal, according to an embodiment of the present invention, comprises the steps of: registering a first address as DNS server information in a virtual private network (VPN) module; driving an application interworking with a target service server; acquiring domain name server (DNS) lookup request result information corresponding to the target service server by using the DNS server information; generating access domain information from the domain name server (DNS) lookup request result information; and outputting, on the basis of the access domain information, related useful information, such as user payment means-specific benefit notification corresponding to the application.

Abstract: Disclosed is a valve apparatus, including: one housing where a fluid is introduced and discharged; a first valve part provided inside the housing and configured to control flow of the fluid; a second valve part provided inside the housing such that the fluid is introduced into the second valve part from the first valve part, and configured to control flow of the fluid introduced from the first valve part; and a connection part configured to introduce the fluid discharged from the first valve part in the housing into the second valve part, wherein respective valve shaft directions of the first and second valve parts respectively are non-parallel to each other, and any one of respective valve shafts of the first and second valve parts is parallel to an axial direction of the connection part.

Abstract: An inspection apparatus includes: a plurality of support members that support a display panel at a predetermined height; a bending-pressing member that presses a pressing surface of the display panel; a sound wave sensor that senses a sound wave generated from the display panel during a bending inspection process, wherein during the bending inspection process, the bending-pressing member presses the pressing surface of the display panel; and an inspection controller that detects a crack in the display panel using the sound wave sensed by the sound wave sensor.

Abstract: A method of manufacturing a metal hybrid, heat-dissipating material includes the steps of (a) preparing a spherical metal powder and a flake graphite powder having an aspect ratio greater than 1, respectively; (b) preparing a powder mixture by inserting only the spherical metal powder and the flake graphite powder into a container, followed by dry mixing the powder mixture using a multi-axial mixing method for rotating or vibrating the container about two or more different rotation axes without any liquid input and without any mixing aids; (c) manufacturing a green compact by pressing the powder mixture; and (d) sintering the green compact to provide the metal hybrid, heat-dissipating material.

Abstract: The present invention relates to a pharmaceutical composition containing an HDAC6 inhibitor as an active ingredient for prevention or treatment of itching. The present invention provides a novel pharmaceutical composition containing, as an active ingredient, an inhibitor for inhibiting an HDAC6 enzyme, and thus can effectively inhibit and treat itching caused by trypsin, tryptase, histamine, antimycin A, chloroquine, or the like.

Abstract: Disclosed are a perovskite color converter and a method for manufacturing the same. In order to maintain strong physical properties, the siloxane resin is synthesized in two steps. The silane precursor performs siloxane bond through a non-aqueous sol-gel reaction to form a siloxane resin, and a bond between methacrylate group, and a bond between methacrylate group and an organic ligand are formed through a secondary cross-linking reaction.