Abstract: A lower module of a power electronic device includes a lower module included in a power electronic device that is divided into an upper module and a lower module by an intermediate plate and comprises a blower fan to introduce air into the inner space of the lower module; a plurality of capacitors installed in a suspended form on the intermediate plate and spaced apart from the blower fan; a heat sink having a plurality of heat dissipation fins through which heat generated from a heating component disposed on the upper module is conducted, and disposed adjacent to the capacitors to cool the plurality of heat dissipation fins by air moved from the plurality of capacitors; a DC reactor cooled by the air moved from the heat dissipation fins; and a discharge plate having a vent hole to discharge the air moved from the DC reactor to the outside.

Abstract: There is provided a method of decoding an image, the method comprising: decoding information for motion information prediction of a current block from a bitstream, predicting motion information of the current block based on the information, refining motion information of the current block by using the decoded information and the predicted motion information of the current block and reconstructing the current block based on the refined motion information of the current block.

Abstract: Disclosed is a method of manufacturing a polyurethane filter foam having excellent air permeability, elasticity, and restoring force. In the method of manufacturing the polyurethane filter foam, the cell size of the filter foam is made regular by controlling the pressure by adjusting the diameter of the foaming head of a foaming machine, rather than adding a cell opener, cell irregularity caused by poor dispersion of the cell opener is alleviated, and air permeability, porosity, and compression set are excellent.

Abstract: The present invention provides a battery safety test device includes: a mechanical switch element having one end connected to either a battery positive or negative electrode and the other end connected to an electronic switching element; the electronic switching element having one end connected to the mechanical switch element and the other end connected to the other of the battery positive or negative electrode; a voltage sensor for measuring a voltage of the battery after the mechanical switch element and the electronic switching element are turned on; and a current sensor for measuring a current of the battery after the mechanical switch element and the electronic switching element are turned on.

Abstract: A display device includes a display area, a test pad, a plurality of first test transistors, and at least one outline. The display area includes pixels coupled to data lines and scan lines. The test pad receives a test signal. The first test transistors are coupled between the data lines of the display area and the test pad. The at least one outline is coupled between one of the first test transistors and the test pad. The at least one outline is located in a non-display area outside the display area.

Abstract: A semiconductor device includes a first interlayer insulating film disposed on a substrate and having a first trench. A first lower conductive pattern fills the first trench and includes first and second valley areas that are spaced apart from each other in a first direction parallel to an upper surface of the substrate. The first and second valley areas are recessed toward the substrate. A second interlayer insulating film is disposed on the first interlayer insulating film and includes a second trench that exposes at least a portion of the first lower conductive pattern. An upper conductive pattern fills the second trench and includes an upper barrier film and an upper filling film disposed on the upper barrier film. The upper conductive pattern at least partially fills the first valley area.

Abstract: A communication apparatus is provided to include an apparatus enclosure that includes a substrate seating surface and at least one or more connection grooves formed on the substrate seating surface, a first printed circuit board disposed on the substrate seating surface, a second printed circuit board disposed on the substrate seating surface on one side of the first printed circuit board, and at least one or more connectors disposed within the connection groove and configured to electrically connect the first printed circuit board and the second printed circuit board.

Abstract: A device for storing cylindrical material according to an embodiment of the present disclosure includes a rack shelf including one or more racks in which a circular axis is stored, a rack master including a first rack master fork configured to collect a first circular axis in which an article stored in a target rack is not mounted, and a second rack master fork configured to transport a second circular axis in which the article is mounted in the target rack from which the first circular axis is collected, a turn skid configured to collect the first circular axis collected from the first rack master fork; and an input/output port configure to mount the article in the first circular axis collected from the turn skid.

Abstract: The present disclosure relates to a method for manufacturing core-shell particles using carbon monoxide, and more particularly, to a method for manufacturing core-shell particles, the method of which a simple and fast one-pot reaction enables particle manufacturing to reduce process costs, facilitate scale-up, change various types of core and shell metals, and form a multi-layered shell by including the steps of adsorbing carbon monoxide on a transition metal for a core, and reacting carbon monoxide adsorbed on the surface of the transition metal for the core, a metal precursor for a shell, and a solvent to form particles with a core-shell structure having a reduced metal shell layer formed on a transition metal core.

Abstract: A method for preparing a platinum alloy catalyst using an oxide coating according to an embodiment of the present disclosure comprises: a first step of preparing a dispersion by mixing a commercial platinum catalyst and a transition metal precursor with a solvent; a second step of preparing a catalyst by putting an ultrasonic tip into the dispersion prepared through the first step and performing an ultrasonic process; a third step of performing a primary heat treatment process on the catalyst prepared through the second step; a fourth step of performing an acid treatment process on the catalyst that has undergone the primary heat treatment process through the third step; and a fifth step of preparing a platinum alloy catalyst by performing a secondary heat treatment process on the catalyst that has undergone the acid treatment process through the fourth step.

Abstract: A device for storing cylindrical material according to an embodiment of the present disclosure includes a rack shelf including one or more racks in which a circular axis is stored, a rack master including a first rack master fork configured to collect a first circular axis in which an article stored in a target rack is not mounted, and a second rack master fork configured to transport a second circular axis in which the article is mounted in the target rack from which the first circular axis is collected, a turn skid configured to collect the first circular axis collected from the first rack master fork; and an input/output port configure to mount the article in the first circular axis collected from the turn skid.

Abstract: The manufacturing method of a palladium transition metal core-based core-shell electrode catalyst according to an exemplary embodiment of the present disclosure includes a first step of preparing a slurry by irradiating ultrasonic wave to a dispersion solution including a solvent, a platinum precursor, a palladium precursor, a carbon support, and a transition metal precursor, a second step of preparing a solid material by filtering, washing, and drying the slurry prepared in the first step, and a third step of preparing a core-shell electrode catalyst by thermally treating the solid prepared in the second step in a specific gas atmosphere.

Abstract: The present disclosure is related to a method for preparing a gaseous- or liquid-nitridation treated core-shell catalyst and, more specifically, to a method for preparing a gaseous- or liquid-nitridation treated core-shell catalyst comprising steps of: nitridation-treating a transition metal precursor core and noble metal precursor shell particles in the presence of a gaseous nitrogen source; or forming a transition metal precursor core and noble metal precursor shell particles, by means of a liquid nitrogen source, and at the same time allowing the nitrogen source to bond with the transition metal precursor and thus allowing nitridation treatment. Therefore, the present disclosure allows a high nitrogen content in the core and thus enables a prepared catalyst to have excellent durability, a small average particle size and high degree of dispersion and uniformity, and thus to be suitable for the fuel cell field.

Abstract: The present disclosure relates to a method for manufacturing core-shell particles using carbon monoxide, and more particularly, to a method for manufacturing core-shell particles, the method of which a simple and fast one-pot reaction enables particle manufacturing to reduce process costs, facilitate scale-up, change various types of core and shell metals, and form a multi-layered shell by including the steps of adsorbing carbon monoxide on a transition metal for a core, and reacting carbon monoxide adsorbed on the surface of the transition metal for the core, a metal precursor for a shell, and a solvent to form particles with a core-shell structure having a reduced metal shell layer formed on a transition metal core.

Abstract: A semiconductor device includes a trench defining an active region in a substrate, a first insulating layer on a bottom surface and side surfaces of the active region inside the trench, a shielding layer on a surface of the first insulating layer, the shielding layer including a plurality of spaced apart particles, a second insulating layer on the shielding layer and having first charge trapped therein, the plurality of spaced apart particles being configured to concentrate second charge having an opposite polarity to the charge trapped in the second insulating layer, and a gap-fill insulating layer on the second insulating layer in the trench.

Abstract: A modeling method for designing a flow field of a fuel cell including a membrane electrode assembly including a catalyst layer and an electrolyte membrane, a gas diffusion layer, a flow field, and a bipolar plate includes modeling using a numerical model derived from a governing equation including a mass conservation equation of species, a fluid momentum in a porous media, and a modified Butler-Volmer's equation and outputting an oxygen diffusion characteristic in a catalyst layer from the modeling result.

Abstract: The present disclosure relates to a method and an apparatus for manufacturing a core-shell catalyst, and more particularly, to a method and an apparatus for manufacturing a core-shell catalyst, in which a particle in the form of a core-shell in which the metal nanoparticle is coated with platinum is manufactured by substituting copper and platinum through a method of manufacturing a metal nanoparticle by emitting a laser beam to a metal ingot, and providing a particular electric potential value, and as a result, it is possible to continuously produce nanoscale uniform core-shell catalysts in large quantities.

Abstract: Described herein are methods for preventing a serious health consequence and/or tissue damage in a subject after the subject has been exposed to ionizing radiation and/or chemotherapy. The methods involve administering to the subject a sulfated polysaccharide or the pharmaceutically acceptable salt or ester thereof after the subject has been exposed to ionizing radiation and/or chemotherapy. The methods described herein are most beneficial to cancer patients who suffer from mucositis after exposure to ionizing radiation.

Abstract: A semiconductor device includes a trench defining an active region in a substrate, a first insulating layer on a bottom surface and side surfaces of the active region inside the trench, a shielding layer on a surface of the first insulating layer, the shielding layer including a plurality of spaced apart particles, a second insulating layer on the shielding layer and having first charge trapped therein, the plurality of spaced apart particles being configured to concentrate second charge having an opposite polarity to the charge trapped in the second insulating layer, and a gap-fill insulating layer on the second insulating layer in the trench.

Abstract: A device for storing cylindrical material according to an embodiment of the present disclosure includes a rack shelf including one or more racks in which a circular axis is stored, a rack master including a first rack master fork configured to collect a first circular axis in which an article stored in a target rack is not mounted, and a second rack master fork configured to transport a second circular axis in which the article is mounted in the target rack from which the first circular axis is collected, a turn skid configured to collect the first circular axis collected from the first rack master fork; and an input/output port configure to mount the article in the first circular axis collected from the turn skid.