Abstract: Provided is a photocatalyst including boron oxide; a first metal oxide, wherein the first metal oxide is an oxide of a first metal; and a core including anatase, wherein the boron oxide and the first metal oxide are disposed on a surface of the core, and an oxidation number of at least one of the first metals is +1.

Abstract: A leakage detection system includes: a gas supply line along which boil-off gas is supplied to a compressor; a reliquefaction line along which the compressed boil-off gas is cooled and reliquefied through a heat exchanger and is returned to a storage tank; a refrigerant circulation line along which a refrigerant is circulated; a refrigerant compressor to compress the refrigerant discharged from the heat exchanger; a refrigerant expander expanding and cooling the compressed refrigerant compressed by the refrigerant compressor and having been cooled through the heat exchanger and supplying the cooled refrigerant back to the heat exchanger; and a refrigerant charge line connecting an inventory tank filled with nitrogen to an upstream side of the refrigerant compressor. Upon initial start-up or restart of a reliquefaction process, the nitrogen is supplied to the upstream side of the refrigerant compressor via the refrigerant charge line to detect leaks in the refrigerant circulation line.

Abstract: According to embodiments of the disclosure, a DC-DC converter includes a voltage generator configured to generate an output voltage by converting an input voltage, a first mode driver configured to generate a first switching signal to drive the voltage generator in a first mode, a second mode driver configured to generate a second switching signal to drive the voltage generator in a second mode, a third mode driver configured to generate a third switching signal to drive the voltage generator in a third mode, and a mode controller configured to determine an output load of the voltage generator using the first switching signal, the second switching signal, and the third switching signal, and supply one of the first switching signal, the second switching signal, and the third switching signal to the voltage generator according to the output load.

Abstract: Disclosed herein is a micro-leak detection system of a reliquefaction system for ships. The micro-leak detection system includes: a reliquefaction system reliquefying boil-off gas generated from a liquefied gas stored in a storage tank in a ship by recovering cold heat from the boil-off gas in a heat exchanger, compressing the boil-off gas, and cooling the compressed boil-gas in the heat exchanger through heat exchange with refrigerant circulated along a refrigerant circulation line; a heater heating the boil-off gas to be supplied from the storage tank to the heat exchanger through heat exchange with an antifreeze liquid; and a micro-leak detection device connected to a drain port through which a remaining liquid is drained from the heater and detecting small leaks in the heater.

Abstract: A method of providing content includes providing preview content for specific content in a preset preview area corresponding to at least a portion of a display area, changing, based on receiving a scroll request for the preview area, an output range of the preview content output in the preview area, and providing, based on the output range of the preview content corresponding to a preset range, a graphic object related to viewing the specific content in the preview area.

Abstract: A ceramic catalytic filter includes a ceramic support, and a catalyst coating layer directly disposed on the ceramic support through a one-pot reaction. The catalyst coating layer includes a nanostructure.

Abstract: An air purifier includes an air inlet portion through which polluted air flows in, a plasma reaction portion connected to and in fluid communication with the air inlet portion and including a discharge region generating discharge plasma, a gas-liquid mixing portion connected to and in fluid communication with the plasma reaction portion, and including a gas-liquid mixing portion housing, a droplet spraying device arranged in the gas-liquid mixing portion housing and including at least one spray nozzle spraying fine droplets, and a fluid mixing device which mixes the fine droplets with first purified air transferred from the plasma reaction portion, and a gas-liquid contact portion connected to and in fluid communication with the gas-liquid mixing portion, defining micro-channels through which a gas-liquid mixture fluid transferred from the gas-liquid mixing portion passes, and including an impactor which captures droplets from the gas-liquid mixture fluid.

Abstract: An apparatus for manufacturing phase masks for lens-less camera includes: a light source; a digital image mirror that receives a two-dimensional map, reflects the light irradiated from the light source with different intensities for each location and outputs reflected light; a two-dimensional map generator for generating the 2D map for adjusting the intensity of reflected light for each position such that the phase mask has a unique pattern of a different height for each position from a point spread function acquired in advance depending on the purpose of use of the phase mask; and a material holder on which a photo-curable film is disposed that is irradiated with the reflected light and cured to different depths depending on the light intensity for each position of the irradiated reflected light.

Abstract: Provided are a compound having a 1,2,3,4-tetrahydronaphthalene moiety or pharmaceutically acceptable salt thereof, of Formula 1 a pharmaceutical composition comprising the same and a use thereof, where the compound having a 1,2,3,4-tetrahydronaphthalene moiety or pharmaceutically acceptable salt thereof has an inhibitory activity against glucosylceramide synthase (GCS), and therefore can be usefully applied for preventing or treating various diseases associated with GCS, such as Gaucher disease, Fabry disease, Tay-Sachs disease, Parkinson's disease, etc.

Abstract: A method of predicting a sound quality index of an electric vehicle, the method includes acquiring vehicle interior noise and vehicle data of the electric vehicle, evaluating, by a jury test, the sound quality index for a high-frequency whine noise component of the vehicle interior noise, extracting features to be used as predictors for modeling the sound quality index, learning a sound quality index model from the features to be used as predictors, and completing the sound quality index model, wherein the correlation of the sound quality index model with the sound quality index evaluation is 0.9 or more.

Abstract: Provided are optical absorbent compounds and their uses. The compounds have excellent heat resistance and can stably maintain light absorption characteristics even under high temperature conditions or high temperature and high humidity conditions. A resin film secures desired optical properties by applying the compounds. The compounds can be used as an optical absorbent for an optical filter.

Abstract: Provided are a composition including vitamin B5 for improving respiratory health and treating or preventing respiratory diseases, a pharmaceutical composition including the composition for treating or preventing respiratory diseases, and a health functional food composition including the composition for improving respiratory health or respiratory diseases.

Abstract: An air purifier includes a reactor including a hollow region extending in a first direction, a first electrode unit extending in the first direction and disposed in the hollow region, a plurality of supports disposed in the hollow region to surround the first electrode unit, and spaced apart from each other in the first direction, where a plurality of through holes extending in the first direction is defined in each of the plurality of supports, a plurality of discharge elements coupled to the first electrode unit and disposed in the hollow region, where at least one of the plurality of discharge elements is disposed in a first discharge unit defined by a space between the plurality of supports, and a second electrode unit spaced apart from the plurality of discharge elements by a certain distance on a plane perpendicular to the first direction to surround the plurality of discharge elements.

Abstract: The present invention relates to a monoclonal antibody or fragment thereof that recognizes and binds specifically to beta 1 integrin as an antigen. The present invention also relates to a pharmaceutical composition for preventing or treating cancer including the monoclonal antibody or fragment thereof. The monoclonal antibody of the present invention is useful in preventing or treating cancer due to its ability to inhibit the proliferation and angiogenesis of cancer cells and effectively induce apoptosis.

Abstract: A circuit board includes a first body part, a second body part and a connection part. The first body part includes a first contact surface and has a multi-layered structure. The second body part includes a second contact surface, has a multi-layered structure, and includes a first signal line spaced apart from the second contact surface. The connection part includes a third contact surface between the first contact surface and the second contact surface, and connects the first body part and the second body part to each other.

Abstract: A bispecific anti-GPNMB/anti-CD3 antibody specifically binds to CD3 (cluster of differentiation 3) and GPNMB (glycoprotein non-metastatic melanoma protein B) and uses thereof are disclosed. The bispecific antibody shows high affinity and specificity to CD3 and GPNMB and thus can induce death of cancer cells expressing GPNMB and inhibit proliferation thereof. Therefore, the bispecific antibody can be used as an effective therapeutic agent for cancers expressing GPNMB.

Abstract: Disclosed is a bonding technology capable of improving bonding reliability between an electrically conductive pattern on a fabric and a flexible circuit board. A terminal of the flexible circuit board is electrically and physically bonded to a conductive pad by an electrically conductive adhesive interposed therebetween, and the terminal is constituted by a through-hole defined at the flexible printed circuit board and an electrically conductive layer integrated with top and bottom surfaces of the flexible printed circuit board along an edge of the through-hole and with a sidewall of the through-hole. The electrically conductive adhesive is filled into the through-hole and is laminated on the electrically conductive layer in contact therewith.

Abstract: A method of controlling an electric vehicle traveling sound using motor vibration and a virtual transmission signal includes extracting, by a signal processing controller, a vibration level of an Nth order component with a largest linearity for a motor output torque among order components extracted from a vibration signal of a rotating electric vehicle (EV) motor and a virtual engine RPM, determining, by the signal processing controller, a frequency for each order component by transforming revolutions per minute (rpm) of the EV motor into a frequency, and setting, by the signal processing controller, an EV mode traveling sound by applying the vibration level of the Nth order component to a level of the frequency for each order component to be output and re-arranging the order components so that the virtual engine revolutions per minute (rpm) reflects a traveling mode shifted according to a virtual gear stage number.

Abstract: Provided is a radiation-tolerant 3D unit MOSFET having at least one selected from a dummy drain (DD), an N-well layer (NW), a deep N-well layer (DNW), and a P+ layer to minimize an influence by a total ionization dose effect and an influence by a single event effect.