Abstract: The present disclosure relates to a dispersant containing a specific compound having a fluorene skeleton, and a composition using the same.

Abstract: A method of quantitatively analyzing a carbon based hybrid negative electrode including the steps of preparing a secondary battery including a carbon based hybrid negative electrode, where the carbon based hybrid negative electrode comprises a carbon based negative electrode active material and a non-carbon based negative electrode active material, measuring a lattice d-spacing of the carbon based negative electrode active material in the carbon based hybrid negative electrode during charging/discharging of the secondary battery using an X-ray diffractometer and then plotting a graph of a change in lattice d-spacing value as a function of charge/discharge capacity, detecting an inflection point of a slope of the graph during discharging; and then, quantifying capacity contribution of the carbon based negative electrode active material and the non-carbon based negative electrode active material in the total discharge capacity of the secondary battery by the inflection point of the slope of the graph.

Abstract: There is provided a novel compound of Formula I and a use thereof for the prevention or treatment of a disease associated with SOS1. In one aspect of the present invention, the novel compound is useful for the prevention or treatment of a SOS1 mediated disease such as cancer and RASopathy by inhibiting the interaction between SOS1 and RAS family proteins or between SOS1 and RAC1.

Abstract: Disclosed herein is a method of decoding an image. The method includes acquiring intra chroma prediction information of a current block from a bitstream, deriving an intra chroma prediction mode of the current block based on the intra chroma prediction information, and performing intra prediction with respect to the current block based on the intra chroma prediction mode. The intra chroma prediction mode may be any one of a linear model (LM)) mode, a derived luma (DM) mode, a Planar mode, a Vertical mode, a Horizontal mode and a DC mode, and a first bit of the intra chroma prediction information may be used to determine whether the intra chroma prediction mode is an LM mode.

Abstract: A bot-based role-playing method performed by a computer device comprising at least one processor configured to execute computer-readable instructions in a memory, includes: receiving, by the at least one processor, a script for an openchat; and creating, by the at least one processor, at least one character bot for role-playing in the openchat by learning at least one character included in the script through an artificial intelligence (AI) language model.

Abstract: Disclosed are a method, a computer device, and a non-transitory computer-readable record medium to display activity time information of a chatroom. An activity time information display method may include receiving a user request for activity time information of a chatroom related to an instant messenger from a user of the computer device for the chatroom related to the instant messenger and displaying the activity time information of the chatroom on a chatroom-related screen of the chatroom in response to the user request.

Abstract: A battery pack includes a plurality of battery modules; and a pack case configured to house the plurality of battery modules, the pack case including a first plate covering one surface of the plurality of battery modules and a second plate covering the other surface of the plurality of battery modules. A first gasket is along an edge of the first plate, and a second gasket is along an edge of the second plate. The first gasket and the second gasket overlap each other in a region where one edge of each of the first plate and the second plate contact each other.

Abstract: Disclosed are a method, a computer device, and a non-transitory computer-readable record medium for sharing content created in another chatroom. A content sharing method may include receiving content created based on a message in a chatroom of another openchat as content of the other openchat set in openchat; and providing the content of the other openchat through at least one page of the openchat.

Abstract: The present disclosure relates to a finger-gripper assembly and a finger-gripper assembly system including the same. The finger-gripper assembly includes a finger and a gripper to which the finger is coupled so as to be removable. The gripper includes an arm, an extender coupled to a lower end of the arm so as to be rotatable about a first axis, wherein the extender extends, from the arm along a second axis that extends in an extension direction and intersects with the first axis, and a connector coupled to a lower side of the extender so as to be movable along the second axis, wherein the connector is connectable to the finger.

Abstract: A computer program stored on a computer-readable storage medium may be provided.

Abstract: A battery pack includes a plurality of battery modules; a case cover covering the plurality of battery modules, and a case plate coupled to an edge of the case cover; and a gasket in a groove of the case plate located in correspondence to an edge of the case plate. The case plate comprises a first side surface plate covering both side surfaces of the plurality of battery modules, and a second side surface plate covering the front and rear surfaces of the plurality of battery modules. The gasket includes a rib.

Abstract: An electronic device is provided. The electronic device includes two housing structures, a hinge structure, and a flexible display, the hinge structure includes a first saw-toothed spur gear, a second saw-toothed spur gear, a third saw-toothed spur gear, a fourth saw-toothed spur gear, a first guide structure fixed to the first housing structure and rotated by the gears, and a second guide structure fixed to the second housing structure and rotated in an opposite direction of the first guide structure, the first guide structure is rotated about a first axis formed from a bottom surface of the flexible display upwards, and the second guide structure is rotated about a second axis that is spaced apart from the first axis and is formed from the bottom surface of the flexible display.

Abstract: A method, a computer device, and a computer program for a real-time inspector in a live commerce platform may categorize chat messages received during live broadcasting of a host in real time by using a function of a live commerce tool for the host, analyze viewer messages in real time to visualize and provide analysis results, and provide, to users, automatic answers to inquiry messages about a broadcasting item of the host.

Abstract: A portable display device includes a display panel displaying an image with pixels of a display area, a touch sensor disposed in a front surface direction of the display area and a non-display area of the display panel, a touch driving circuit driving touch electrodes of the touch sensor to detect a touch occurrence position of at least one point, a touch movement direction, and a movement distance and generating touch coordinate data according to a detection result, and a display driving circuit displaying an icon or a menu bar in the display area so that a user controls a screen control function and an operation control function of the display panel according to the touch occurrence position of the at least one point, the touch movement direction, and the movement distance.

Abstract: The present invention relates to a pharmaceutical composition for preventing or treating extrahepatic bile duct cancer containing, as active ingredients, natural killer (NK) cells and an anti-PD-1 antibody.

Abstract: The present disclosure relates to a dual-mode power amplifier, there is disclosed a dual-mode power amplifier that can selectively operate in a low-power mode for low output and a high-power mode for high output, the dual-mode power amplifier including a high-power amplifier comprising one or more transistors whose operations are controlled by a first bias; a first transformer connected in series to an output stage of the high-power amplifier; a low-power amplifier comprising one or more transistors whose operations are controlled by a second bias; and a second transformer connected in series to an output stage of the low-power amplifier, wherein the dual-mode power amplifier operates in a high-power mode when the first bias is activated and the second bias is deactivated, and operates in a low-power mode when the first bias is deactivated and the second bias is activated.

Abstract: A semiconductor memory device includes a substrate comprising an element isolation layer, a bit line that extends on the substrate in a first direction, a cell buffer insulating layer between the bit line and the substrate and comprising an upper cell buffer insulating layer and a lower cell buffer insulating layer, a lower storage contact disposed on a plurality of sides of the bit line and comprising a semiconductor epitaxial pattern, a storage pad on the lower storage contact and connected to the lower storage contact and an information storage unit on the storage pad and connected to the storage pad, wherein the upper cell buffer insulating layer is between the lower cell buffer insulating layer and the bit line, and each of the lower cell buffer insulating layer and the upper cell buffer insulating layer comprises an upper surface and a lower surface that are opposite to each other.

Abstract: The present invention relates to a composition for a biodegradable fiber and a biodegradable fiber manufactured using same. In detail, according to an embodiment of the present invention, the composition for biodegradable fibers contains a polyhydroxyalkanoate (PHA) resin bearing 4-hydroxybutyrate (4-HB) repeating units and specifically a first PHA resin and/or a second PHA resin, each bearing 4-HB repeating units and meets a degradation temperature (Td 5% weight loss) of 220° C. or higher as measured by a thermal gravimetric analyzer. Thus, the composition is eco-friendly with excellent biodegradability and biocompatibility and can be used to easily manufacture biodegradable fibers having excellent properties.

Abstract: A system for inducing synthesis of Vitamin D in a body includes a wearable illumination device formed in a structure that is wearable on the body, and including a plurality of light sources configured to radiate an ultraviolet light to a skin of a worn part; and a control device connected to the plurality of light sources and configured to drive the plurality of light sources to radiate the ultraviolet light, wherein the wearable illumination device includes a light diffusion panel configured to equalize an irradiance of the ultraviolet light reaching the skin by causing diffusion of the ultraviolet light radiated from the plurality of light sources.

Abstract: A roller for supporting a material according to an embodiment of the present invention includes: a rotation shaft; a pipe having a space in which the rotation shaft is inserted; a deforming part that is connected to the rotation shaft and the pipe to deform the pipe; and a support part that is installed at the pipe to support the material. The deforming part includes: a thread portion provided on the rotation shaft; a nut part screwed to the thread portion; an inclined part that is disposed at an inner surface of the pipe and that is pressed by the nut part according to rotation of the rotation shaft; and a driving source that is connected to the rotation shaft to rotate the rotation shaft.