Abstract: The present disclosure provides a speaker box structure and an electronic device. The speaker box structure includes a speaker box housing, a sound guiding member, a high-pitched speaker, and a mid-bass speaker. The sound guiding member is installed on the speaker box housing, and the sound guiding member forms a high-pitched sound guiding channel and a mid-bass sound guiding channel at intervals. Both the high-pitched sound guiding channel and the mid-bass sound guiding channel have a sound inlet facing the speaker box housing and a sound outlet facing away from the speaker box housing. The high-pitched speaker is disposed on the speaker box housing and is opposite to the sound inlet of the high-pitched sound guiding channel, and the mid-bass speaker is disposed on the speaker box housing and is opposite to the sound inlet of the mid-bass sound guiding channel.

Abstract: The present invention is a method for evaluating a reference mark formed on an EUV mask blank, the method including steps of: imaging the reference mark formed on the EUV mask blank to obtain a reference mark image; obtaining a reference mark contrast from the obtained reference mark image, the reference mark contrast being contrast between the reference mark and a background level; and evaluating processing accuracy of the reference mark with the obtained reference mark contrast. This provides a method for evaluating an EUV mask blank that can easily evaluate processing accuracy (for example, depth) of a reference mark.

Abstract: A positive electrode plate for a lithium-ion rechargeable battery includes a positive electrode mixture layer including a positive electrode active material and a fibrous conductive material dispersed on the positive electrode active material, wherein the fibrous conductive material includes flat flaked aggregates of the fibrous conductive material that do not adhere to the positive electrode active material.

Abstract: The present invention is a bio-electrode, including: a living-body contact layer; and a substrate, wherein the living-body contact layer has a micropillar having a diameter within a range of 0.01 to 500 ?m and a height within a range of 0.1 to 1,000 ?m, and has an ionic polymer (A) as a material, and the component (A) has a repeating unit-a of one or more selected from a fluorosulfonic acid, a fluorosulfonimide, and a fluorosulfonamide, and has a weight-average molecular weight within a range of 1,000 to 500,000. This provides: a bio-electrode that is a thin film and highly transparent, that has high sensitivity to a bio-signal, excellent bio-compatibility, and a lightweight property, that can be manufactured at a low cost, that does not considerably deteriorate the sensitivity to the bio-signal even when being wet, dried, or attached to skin for a long term, and that is comfortable and free from itching, red spots, rash, etc. of the skin; and a method for manufacturing a bio-electrode.

Abstract: A coil component includes a body part including a magnetic material; a coil part disposed in the body part; and an electrode part disposed on the body part, wherein the coil part includes a supporting member, a coil conductor disposed on at least one surface of the supporting member and having a conductor pattern of a planar coil shape, and an insulator filling a space between the conductor patterns and covering an outer surface of the conductor pattern, and the conductor pattern has an aspect ratio (H1/W1), which is a ratio of a height H1 to a width W1, of 3 to 9, and a method of manufacturing the same.

Abstract: A lidar and an optical chip. The lidar includes a laser light source, a beam splitter, an optical transceiving unit, a coherent interference light rejection unit, a detection unit, and a signal processing unit. The laser signal is divided into a detection light signal and a local oscillator light signal which enters the coherent interference light rejection unit through the beam splitter, and the detection light signal is emitted to a detection space through the optical transceiving unit; besides, the optical transceiving unit receives an echo signal, and generates an interference light signal during transmitting the detection light signal. The echo signal and the interference light signal enter the coherent interference light rejection unit and are mixed with a phase-shifted local oscillator light signal to eliminate the interference light signal, generate a beat frequency signal and send the beat frequency signal to the signal processing unit.

Abstract: A failure prediction method of predicting a failure of a storage device includes: identifying at least a portion of telemetry information, stored in a memory, as risk data based on a predetermined first criterion; inputting first data of a first attribute, among the risk data, to a machine learning model; obtaining a first anomaly score output from the machine learning model; detecting whether an anomaly is present in the first attribute, based on whether the first anomaly score satisfies a predetermined second criterion; transmitting an alert, associated with the first attribute, to a host when an anomaly is detected for the first attribute, among the risk data; and receiving feedback, corresponding to the alert, from the host. The machine learning model may receive the risk data to learn a pattern of data, and may output an anomaly score of the received data based on the learned pattern of the data.

Abstract: A method of operating a service providing device includes: collecting a source image and processing face warping of the collected source image to transform the collected source image into a warping image based on a benchmark image; constructing, using the face warped source image, a style database to which style information of the source image is mapped; and providing a style recommendation service based on style transfer using the style database. The providing includes: performing face warping on a user image input from a user terminal; performing style transfer of the face warped source image in response to the face warped user image; and processing face reverse warping of the image subjected to the style transfer to output as a virtual style synthesis image.

Abstract: Methods, apparatuses, and non-transitory computer-readable storage mediums are provided for encoding a video signal. A method may include obtain a first reference picture and a second reference picture associated with a video block, wherein the first reference picture is before a current picture and the second reference picture is after the current picture in display order; obtain first prediction samples of the video block from the first reference picture; obtain second prediction samples of the video block from the second reference picture; obtain padded prediction samples; obtain horizontal and vertical gradient values of the first prediction samples and the second prediction samples based on the padded prediction samples; obtain motion refinements for samples in the video block based on the horizontal and vertical gradient values; and obtain bi-prediction samples of the video block based on the motion refinements.

Abstract: A food waste disposal apparatus, according to one embodiment of the present disclosure, comprises: a chamber for accommodating food waste; and a deodorizing device for deodorizing gas inside the chamber. The deodorizing device may comprise: a photocatalyst filter arranged to be inclined; a light source unit for irradiating light having a frequency within a specific range to the photocatalyst filter; and an activated carbon filter in which activated carbon is accommodated so as to deodorize gas passing through the photocatalyst filter.

Abstract: The present invention relates to a carbonaceous material having a nitrogen element content determined by elemental analysis of 1.0% by mass or more, a true density determined by a butanol immersion method of 1.50 to 1.65 g/cc, a tapped bulk density of 0.7 to 1.0 g/cc, and a carbon interplanar spacing (d002) measured by X-ray diffraction of 3.65 ? or more.

Abstract: Embodiments of the present application provide Ensartinib or a salt thereof and a use of a composition containing Ensartinib or the salt thereof in treatment of a disease carrying MET 14 exon skipping mutation.

Abstract: A zirconium hydroxide powder having, in a pore distribution based on a BJH method, a peak top in a pore diameter region of 1 nm or more and 5 nm or less, and having a pore volume in the pore diameter region of 1 nm or more and 5 nm or less of 0.15 cm3/g or more.

Abstract: A decorative material has a first surface and a second surface opposite the first surface and includes a base material layer and a surface protection layer disposed closer to the first surface than the base material layer is. The base material layer has a plurality of grooves in a surface thereof closer to the first surface, and at least a subset of the grooves has a filled portion therein. The average specular glossiness at 85° of the first surface pursuant to JIS Z8741:1997 is 18% or less, and the standard deviation ? of the specular glossiness at 85° of the first surface pursuant to JIS Z8741:1997 is 1.0% or more.

Abstract: A method for operating an electronic device including a display, according to one embodiment, may comprise an operation of receiving a touch input having a point of contact on a first key from among a plurality of keys in a virtual keyboard displayed through the display. The method may comprise an operation of identifying, in response to the touch input, (a) one from among a first character and a second character on the basis of the first character represented by the first key, the second character represented by a second key adjacent to the first key from among the plurality of keys, and at least one third character displayed before the touch input is received within a text input part displayed together with the virtual keyboard. The method may comprise an operation of displaying the identified character within the text input part through the display.

Abstract: The present invention relates to a method for user grouping in a metaverse-based office environment and, more particularly, to a method for user grouping in a metaverse-based office environment, the method comprising: a target user identification step of identifying a camera viewpoint of a local user in a virtual space, and identifying target users included in a virtual image of the camera viewpoint; and a user grouping step of grouping target users satisfying a configured grouping condition from among the target users, on the basis of avatar positions and gaze directions of the local user.

Abstract: A semiconductor device may include an active region extending in a first direction; a gate structure extending in a second direction on the active region; a source/drain region on the active region and disposed at least one side of the gate structure; a contact structure on the source/drain region; a device isolation layer surrounding the active region; an interlayer insulating layer on the device isolation layer, the gate structure, and the source/drain region; a vertical power structure penetrating through the device isolation and interlayer insulating layers and connected to the contact structure; a rear power structure electrically connected to the vertical power structure and surrounding an entirety of a lower surface and a portion of a side surface of the vertical power structure; a vertical insulating film between the vertical power structure and the rear power structure; and a rear insulating film covering a side of the rear power structure.

Abstract: A battery safety valve and temperature detection circuit, includes a battery, a temperature sensor, and a reference resistor that are connected in series to form a loop, and a safety valve sensor arranged outside a battery safety valve. The temperature sensor is arranged on the battery, voltage acquisition wires are connected to a positive electrode and a negative electrode of the battery respectively, a partial voltage acquisition wire is connected to a wire connected between the temperature sensor and a reference resistor, the voltage acquisition wires and the partial voltage acquisition wire are connected to corresponding voltage acquisition ports of an acquisition chip respectively. The safety valve sensor is connected in parallel to the reference resistor; and when the safety valve is open, a liquid in the battery is in contact with a bottom of the safety valve sensor, and the safety valve sensor is short-circuited.

Abstract: A composite amine absorbent that absorbs at least one of CO2 and H2S in a gas includes: (a) a chain monoamine; (b) a diamine containing amino groups having the same number of substituents; (c) a chain diamine containing amino groups having different numbers of substituents; and (d) water.

Abstract: The present invention provides an article having a water- and oil-repellent surface layer, as well as excellent water- and oil-repellent properties, abrasion resistance, and slipperiness, said article being constituted from: a plastic substrate; an underlayer formed upon the outer surface of the plastic substrate and having a silicon oxide as the main component thereof; and a water- and oil-repellent surface layer formed upon the outer surface of the silicon oxide underlayer. The film density of the silicon oxide underlayer is 1.8-2.2 g/cm3. The film thickness of the silicon oxide underlayer is 80-300 nm. The water- and oil-repellent surface layer has, as the main component thereof: a fluoropolyether group-containing polymer having a hydrolyzable silyl group with a specific structure; and/or a cured product of a partially hydrolyzed condensate thereof.