Abstract: A water purifier including: a filter unit for filtering raw water to provide purified water; a flow channel that provides a passage through which raw water or purified water flows; a valve unit including at least one valve module that is selectively opened and closed to control the flow of raw water or purified water in the flow channel; a cock for discharging the purified water to the outside; a housing including a first housing in which the filter unit, flow channel, and valve unit are arranged, and a second housing disposed on the front side of the first housing; and a cock support member that is detachably engaged with the cock and the housing.

Abstract: Provided is a high-durability coloring metal member. The high-durability coloring metal member includes a metal substrate, a dielectric layer provided on the metal substrate, and an oxynitride compound layer provided on the dielectric layer. The metal member is capable of expressing vivid and various colors with a color protection layer applied on the surface of the metal member.

Abstract: A multilayer ceramic capacitor includes: a capacitor body comprising a dielectric layer and an internal electrode layer; and an external electrode disposed on an outside surface of the capacitor body, wherein the capacitor body includes an active portion where the dielectric layer and the internal electrode layer are alternately disposed, side margin portions disposed at both side end portions of the active portion facing each other, and bonding portions disposed between the active portion and the side margin portions, and at least one of the active portion or the side margin portions includes a barium titanate-based main ingredient including barium (Ba) and titanium (Ti), and gallium (Ga).

Abstract: Disclosed herein are an evidence collection guidance method and apparatus for file selection. The evidence collection guidance method includes generating pieces of preliminary analysis information that are pieces of collection target information, setting levels of the pieces of preliminary analysis information based on predefined rules, and generating and outputting notification information including summary description information and follow-up measure items related to the pieces of preliminary analysis information corresponding to the levels.

Abstract: An image processing method and apparatus based on machine learning are disclosed. The image processing method based on machine learning, according to the present invention, may comprise the steps of: generating a first corrected image by inputting an input image to a first convolution neural network; generating an intermediate image on the basis of the input image; performing machine learning on a first loss function of the first convolution neural network on the basis of the first corrected image and the intermediate image; and performing machine learning on a second loss function of the first convolution neural network on the basis of the first corrected image and a natural image.

Abstract: Provided is a multilayer ceramic capacitor and a method of manufacturing the same. The multilayer ceramic capacitor includes a capacitor body including a dielectric layer and an internal electrode layer, and an external electrode disposed outside the capacitor body. The dielectric layer includes barium titanate-based main ingredient including barium (Ba) and titanium (Ti), and gallium (Ga)Peak intensity ratio of Ba/Ga (IBa/IGa), obtained by TEM-EDS analysis of a region from an interface between the dielectric layer and the internal electrode layer to a depth surface of 10 nm to 500 nm into the dielectric layer, is 1.0 to 5.0.

Abstract: A multilayer electronic component includes: a body including a capacitance forming portion in which dielectric layers and internal electrodes are alternately disposed in a first direction, and cover portions disposed on an upper surface and a lower surface of the capacitance forming portion, respectively, in the first direction; and external electrodes disposed on the body, wherein the cover portion includes a plurality of dielectric grains and a plurality of pores, and Gn/Pn is more than 10 and less than 30, in which Gn is the number of dielectric grains included in the cover portion and Pn is the number of pores included in the cover portion.

Abstract: An arithmetic device includes a multiplying-accumulating (MAC) operator and an activation function (AF) circuit. The MAC operator performs a MAC arithmetic operation for weight data and vector data to generate an arithmetic result signal. The AF circuit stores a look-up table for an activation function, adjusts a number of logic level combinations of an input distribution signal that correspond to each logic level combination of the output distribution signal, among a plurality of logic level combinations of the output distribution signal, based on an input range of the activation function. The AF circuit selects and outputs the output distribution signal that corresponds to the input distribution signal based on the look-up table. The input range of the activation function is based on a relative number of errors that occur.

Abstract: A dielectric composition according to the present disclosure includes dielectric grains containing barium titanate-based compounds; and a secondary phase located between the dielectric grains, and the secondary phase includes a first secondary phase including Ga and Si. A multilayered capacitor includes a capacitor body including a dielectric layer and an internal electrode; and an external electrode disposed outside the capacitor body. The dielectric layer includes the dielectric composition according to the present disclosure.

Abstract: A powder protecting three-way valve installed in a line of a semiconductor or flat panel display manufacturing apparatus to control flow of reaction by-product gas, includes: a valve casing comprising an inlet pipe through which the reaction by-product gas flows in and a plurality of outlet pipes through which the inflowing reaction by-product gas flows out in different directions; a rotating ball which is rotatably installed inside the valve casing and comprises an inlet hole communicating with the inlet pipe of the valve casing and outlet holes selectively communicating with the plurality of outlet pipes of the valve casing to control a direction of the flow of the reaction by-product gas; and a heating element installed in the valve casing to heat the inside of the valve casing.

Abstract: A power-generating apparatus according to an embodiment of the present invention comprises: a housing in which a fluid flows along the interior thereof and at least a portion of the wall surface thereof includes a flat surface formed of metal; a thermoelectric module disposed on the flat surface of the housing; and an insulating member disposed on the flat surface of the housing so as to be beside the thermoelectric module.

Abstract: Provided is a modular experiment automation system including a main computer, a material synthesis module, and a material analysis module. The main computer interacts with a material synthesis module and a material analysis module. Upon a start request, it provides synthesis instructions for a target material. Once synthesis is complete, it instructs the analysis module to analyze the material. Based on the analysis results, if the error exceeds a threshold, it generates a new synthesis condition and re-initiates synthesis.

Abstract: A video quality improvement method may comprise: inputting a structure feature map converted from current target frame by first convolution layer to first multi-task unit and second multi-task unit, which is connected to an output side of first multi-task unit, among the plurality of multi-task units; inputting a main input obtained by adding the structure feature map to a feature space, which is converted by second convolution layer from those obtained by concatenating, in channel dimension, a previous target frame and a correction frame of the previous frame to first multi-task unit; and inputting current target frame to Nth multi-task unit connected to an end of output side of second multi-task unit, wherein Nth multi-task unit outputs a correction frame of current target frame, and machine learning of the video quality improvement model is performed using an objective function calculated through the correction frame of current target frame.

Abstract: A method for screening a solvent for extracting polyvinyl chloride (PVC) from waste using the following Equation 1: PVC ? swelling ? score = x 1 ? Dipole + x 2 ? Asphericity + x 3 ? dH + x 4 ? Polar ? Surface ? Area where x1, x2, x3, and x4 are each a real number from 0 to 5, Dipole is a dipole moment of solvent molecules, Asphericity is an asphericity of the solvent molecules, dH is a Hansen solubility parameter for a hydrogen bonding of the solvent molecules, and Polar Surface Area is a fractional polar surface area. A method for recycling waste is also provided. Additionally, a recycled polyvinyl chloride and a recycled composition are provided.

Abstract: A method for screening a solvent for extracting polyvinyl chloride (PVC) from waste using the following Equation 1: PVC ? solubility ? score = x 1 ? exp ? ( - x 2 ? ? pvc sol - x 3 ? ? dop sol ) + x 4 ? exp ? ( - x 5 ? r pvc - x 6 ? r dop ) - x 7 ? exp ? ( - x 8 ? V sol ) + x 9 , ?ij is a chemical potential of the solvent, and in ?ij, i is a solute and j is the solvent, ri is a Hansen solubility parameter distance of the solvent, Vsol is a molecular volume of the solvent, sol is the solvent, pvc is polyvinyl chloride, and dop is diethylhexyl phthalate. A method for recycling waste is also provided. Additionally, a recycled polyvinyl chloride and a recycled composition are provided.

Abstract: An autonomous driving control apparatus includes a sensor device, a memory storing instructions, and a controller. The autonomous driving control apparatus obtains first sensing data about a driving path of a driving device using a first sensor, identifies a first specified object included in the first sensing data and meeting a specified condition, identifies a first sampling rate to be applied to a first point cloud data corresponding to the first specified object, obtains second sensing data about the driving path using a second sensor, identifies a second specified object included in the second sensing data, identifies a second sampling rate to be applied to second point cloud data corresponding to the second specified object, and samples the first sensing data and the second sensing data respectively using the first sampling rate and the second sampling rate.

Abstract: A method for screening a solvent for extracting acrylonitrile-butadiene-styrene (ABS) from waste using the following Equation 1: EScore=X1 exp(?mixE)+x2[log(x3Mvola)+log(x4HSPb)]+c, where mixE is the mixing energy between ABS and the solvent, Mvol is the molar volume of the solvent, HSP is the Hansen solubility parameter, x1, x2, x3, and x4 are each a real number from ?1 to 1, a and b are each a real number from 0 to 1, and c is a real number from ?10 to 10. A method for recycling waste having ABS is also provided. Additionally, a recycled acrylonitrile-butadiene-styrene copolymer and a recycled acrylonitrile-butadiene-styrene copolymer composition_are provided.

Abstract: A method for screening a solvent for extracting acrylonitrile-butadiene-styrene (ABS) from waste using the following Equation 1: ABS solubility score=x1 Log10Molecular Weight+x2IAC_Mean where Molecular Weight is the molecular weight of the solvent, IAC_Mean is the average information by an atomic number, and x1 and x2 are each a real number from 0 to 5. A method for recycling waste having ABS including screening the solvent using Equation 1 and extracting the ABS from the waste using the screened solvent is also provided. Additionally, a recycled acrylonitrile-butadiene-styrene copolymer and a recycled acrylonitrile-butadiene-styrene copolymer composition are provided.

Abstract: A service robot and a method for providing a delivery service thereof are provided. The service robot includes a camera, a light detection and ranging (LiDAR) sensor, a driving device including a robotic arm, a processor, and storage. The processor: obtains an image by capturing the outside of the service robot; detects a target vehicle from the image; compares an image of the detected target vehicle with the reference vehicle image; recognizes a type of the target vehicle; recognizes vehicle information; recognizes a distance from the target vehicle; compares the LiDAR data with the vehicle information; recognizes at least one relative direction of the target vehicle; determines a target position and a path; controls the service robot to move to the target position along the path; and controls the service robot to deliver the delivery product to the target vehicle.

Abstract: An autonomous driving device and a driving control method thereof are provided. The autonomous driving device includes at least one sensor, a processor, and storage including a database. The processor is configured to detect, using the at least one sensor, an obstacle that is present on a passage in a first driving path, of the first autonomous driving device, to a destination; determine whether there is a need for the first autonomous driving device to cross paths with the obstacle to pass through the passage; determine a time to collision by the first autonomous driving device with the obstacle; determine whether the obstacle is a second autonomous driving device; identify a driving rule corresponding to the second autonomous driving device; determine, based on the driving rule, a second driving path for passing through the passage; and control the first autonomous driving device to drive on the passage along the second driving path.