Abstract: A hydrogen generation and carbon dioxide storage system has increased processing capacity of carbon dioxide. The system includes a metal-carbon dioxide battery comprising an anode, a cathode, and an ion exchange membrane positioned between the anode and the cathode, a first supply unit configured to provide a first electrolyte to the anode, a second supply unit configured to provide a second electrolyte comprising hydrogen ions and an aqueous solution of alkali bicarbonate to the cathode, a separation unit, an electrolyte circulation unit located at a rear end of the separation unit, a dissolution unit located at a rear end of the electrolyte circulation unit, and a carbon dioxide purification unit.

Abstract: Proposed are a precursor for forming a scandium- or yttrium-containing thin film, the precursor being characterized by including a compound represented by Chemical Formula 1, a method for forming a scandium- or yttrium-containing thin film using the same, and a semiconductor device including the scandium- or yttrium-containing thin film. The precursor for forming the thin film contains an amidinate ligand and thus can exhibit chemical characteristics such as low viscosity, high heat resistance, and high volatility, thereby enabling the formation of a high-quality thin film.

Abstract: Proposed are a precursor for forming an yttrium- or scandium-containing thin film, the precursor being characterized by including a compound represented by Chemical Formula 1, a method for forming an yttrium- or scandium-containing thin film using the same, and a semiconductor element including the yttrium- or scandium-containing thin film. The precursor contains yttrium or scandium as the core metal atom and includes a cyclopentadienyl ligand providing characteristics such as low melting point and high volatility, as well as a novel amidinate ligand that provides properties such as high structural stability, low viscosity, high volatility, high thermal stability, and being a liquid at room temperature or being a solid having a low melting point. Therefore, the precursor exhibits physical properties suitable for use in a thin film formation process and thus can form a high-quality thin film.

Abstract: An embodiment side sill of a vehicle includes a side sill outer having a first convex cross section toward an outside of the vehicle, a side sill inner coupled to an inside of the side sill outer and having a second convex cross section toward an inside of the vehicle, and a reinforcement member disposed in a space between the side sill outer and the side sill inner, the reinforcement member including a plurality of thin plates made of a same material as the side sill and joinable to the side sill by welding, the thin plates being joined to each other to define a closed cross section therebetween and disposed in the space.

Abstract: The present invention description relates to a technology for calibrating an assembly error in a laser range finder, and more specifically, to a software technology for calibrating an assembly error between a laser component and an optical component. According to one aspect of the proposed invention, in order to calibrate a difference between a position of a center of a captured image and a position of a laser point due to an assembly error, the laser point is positioned at a center of a preview screen image output on a display of a laser range finder.

Abstract: Provided are a metal-aqueous battery and a hydrogen generation and carbon dioxide storage system including the same. The metal-aqueous battery may include a double cell. The double cell may include a pair of single cells. Each of the single cells include an anode, a cathode, a separator interposed between the anode and the cathode, and a cathode spacer interposed between the separator and the cathode and configured to form a gap between the separator and the cathode. The double cell may also include a current collector interposed between the pair of single cells such that cathodes of the single cells face each other across the current collector.

Abstract: A coupling mechanism includes a seat frame; a leg rest; a backrest bracket; a carriage slidably connected to the seat frame; a linkage assembly for backrest connected to the backrest bracket, the seat frame and the carriage; a linkage mechanism for leg rest connected to the carriage and the leg rest, so that the leg rest can move toward or away from the carriage; a coupling assembly rotationally connected to the carriage, two ends of the coupling assembly are respectively articulated to the seat frame and the linkage mechanism for leg rest; a drive assembly connected to the carriage, to drive the leg rest and the backrest bracket to move relative to the seat frame; wherein during operation of the drive assembly, the carriage slides relative to the seat frame, and the leg rest and the backrest bracket move and rotate relative to the seat frame.

Abstract: The present application discloses a multifunctional iron frame and seat, including a driving mechanism, a leg support mechanism, and a linkage mechanism. The leg support mechanism includes a leg support skeleton and a support plate. The linkage mechanism is connected between the driving mechanism and the leg support skeleton. When the multifunctional iron frame is rotated from a sitting state to a first position, the leg support skeleton rotates relative to the seat frame, and a rotation radius of the support plate at the first position is not greater than in the sitting state. When the multifunctional iron frame is rotated from the first position to a lying state, the leg support skeleton rotates relative to the seat frame and the support plate slides relative to the leg support skeleton. The rotation radius of the support plate in the first position is smaller than that in the lying state.

Abstract: A polishing slurry composition is provided. The polishing slurry composition includes polishing particles, a first polishing inhibitor containing a hydrophobic amino acid, and a second polishing inhibitor containing a cyclic polymer, and the first polishing inhibitor and the second polishing inhibitor are different.

Abstract: The present invention relates to a slurry composition for metal polishing, comprising: colloidal silica; and an oxidizing agent; and at least one selected from among a polishing catalyst, a metal polishing enhancer, a polishing inhibitor, and a dishing and erosion reducer, wherein the colloidal silica has a particle size distribution of colloidal silica according to equation 1.

Abstract: A rechargeable metal battery with an improved efficiency, and a hydrogen generation and carbon dioxide storage system equipped with the same battery. A metal battery according to one embodiment includes an electrode unit including a metal electrode, a discharging unit disposed on a first side of the electrode unit; a charging unit disposed on a second side of the electrode unit, a first ion exchange membrane interposed between the electrode unit and the discharging unit, and a second ion exchange membrane interposed between the electrode unit and the charging unit.

Abstract: An encoding method for embedding a watermark into an audio is provided. A text watermark and an original audio are obtained. The text watermark is converted to an image watermark. The original audio is converted from a time domain to a frequency domain to generate a pre-process audio. The image watermark is embedded into the pre-processed audio to generate an encoded audio. The encoded audio is converted from the frequency domain to the time domain to generate an watermarked audio.

Abstract: A lighting device of a steering wheel and an assembling method of the lighting device improving an assembly process and mass productivity of the lighting device by simplifying an assembly structure thereof, includes a grip body forming a rim of the steering wheel and including a body groove portion formed in a shape in which the body groove portion is cut away along the rim, a bezel fitted to the body groove portion and assembled to the grip body so that the body groove portion is covered by the bezel, the bezel including a center portion provided with a light transmission hole, and includes a light emitting body assembled to the bezel to overlap the light transmission hole from between the body groove portion and the bezel, the light emitting body being configured to emit light through the light transmission hole.

Abstract: A method for designing a double slot array antenna and a double slot array antenna designed thereby are disclosed.

Abstract: A core test method, for testing a processing circuit with multi cores, comprising: (a) testing defects of the cores to determine at least one failed core; (b) recording the failed core; (c) performing a performance test to all of the cores to generate performance data; and (d) filtering the performance data based on the failed core recorded in the step (b).

Abstract: A refrigerator and a control method thereof of the present disclosure allows a controller to perform a load operation when the load operation start condition is satisfied when a door is opened, and when an operation release condition is satisfied, the load operation is controlled to be released and switched (or maintained) to a normal storage operation.

Abstract: The embodiments of the disclosure provide an active audio adjustment method. The active audio adjustment method includes: receiving, by a host, an ambient sound from a sound pickup device; analyzing, by the host, the ambient sound to obtain an ambient parameter of the ambient sound and determine an adjustment strategy; adjusting, by the host, an original parameter of an output audio to determine an optimized parameter based on the ambient parameter of the ambient sound and the adjustment strategy; generating, by the host, an optimized output audio based on the optimized parameter; and outputting, by the host, the optimized output audio to an audio output device.

Abstract: A lighting device of a steering wheel and an assembling method of the lighting device improving an assembly process and mass productivity of the lighting device by simplifying an assembly structure thereof, includes a grip body forming a rim of the steering wheel and including a body groove portion formed in a shape in which the body groove portion is cut away along the rim, a bezel fitted to the body groove portion and assembled to the grip body so that the body groove portion is covered by the bezel, the bezel including a center portion provided with a light transmission hole, and includes a light emitting body assembled to the bezel to overlap the light transmission hole from between the body groove portion and the bezel, the light emitting body being configured to emit light through the light transmission hole.

Abstract: The refrigerator of the present disclosure allows sufficient air flow to a detection sensor by allowing the detection sensor to be located on an air discharge side of a blowing fan to determine a frosting degree or a defrosting degree of a cooling source.