Abstract: A semiconductor memory device including: a stack structure including a plurality of layers that are vertically stacked on a substrate, each of the plurality of layers including a word line, a channel layer, and a data storage element electrically connected to the channel layer; and a bit line that vertically extends on one side of the stack structure, wherein the word line includes: a first conductive line that extends in a first direction; and a gate electrode that protrudes in a second direction from the first conductive line, the second direction intersecting the first direction, wherein the channel layer is on the gate electrode, and wherein the bit line includes a connection part electrically connected to the channel layer.

Abstract: A multilayer electronic component includes a body including a dielectric layer and internal electrodes; and an external electrode disposed on the body, wherein the dielectric layer includes a boundary portion, a region adjacent to a boundary with the internal electrode, and wherein the boundary portion includes a region satisfying an atomic ratio: 1.0%?Sn/(Ba+Ti+Sn)?1.5%.

Abstract: This application relates to a hook assembly for a door curtain of a vehicle. The hook assembly is installed on a door panel to which a door curtain is hooked and fixed. The hook assembly includes a hook body installed to pass through a through-hole formed in the door panel in a load direction due to the door curtain, and a hook pin engaged with the hook body in a direction perpendicular to the load direction due to the door curtain. When the hook pin is engaged with the hook body, the hook body is supported in the through-hole in an engaged direction of the hook pin and one side of the hook body is pressed against a circumference of the through-hole.

Abstract: A non-aqueous electrolyte solution for a lithium secondary battery and a lithium secondary battery including the same. Specifically, the non-aqueous electrolyte solution for a lithium secondary battery of the present disclosure may include a lithium salt; a non-aqueous organic solvent; and an oligomer including a repeating unit derived from a monomer represented by Formula 1, a repeating unit derived from a monomer represented by Formula 2, and a repeating unit derived from a monomer represented by Formula 3. Also, the lithium secondary battery of the present disclosure may improve cycle characteristics and high-temperature storage characteristics by including the above non-aqueous electrolyte solution for a lithium secondary battery.

Abstract: Disclosed is a pretreatment method for utilization of coal pond ash (coal ash buried in ash ponds near coal-fired power plants), and more specifically a treatment method of coal pond ash capable of utilizing coal ash with high efficiency through simple separation processes including screening, float-sink, flotation, grinding, and magnetic separation.

Abstract: A method for training an analysis model according to an embodiment includes receiving synthetic data for original data from a client apparatus, determining a hyperparameter value for analysis model training using the synthetic data, receiving a ciphertext for the original data from the client apparatus, and training the analysis model using the determined hyperparameter value and the received cipher text.

Abstract: Provided are a method for generating time series data and system therefor. The method according to some embodiments may include obtaining an autoencoder trained using original time series data, wherein the autoencoder includes an encoder and a decoder, obtaining a score predictor trained using latent vectors of original time series data generated through the encoder, extracting a plurality of noise vectors from a prior distribution, generating a plurality of synthetic latent vectors by updating the plurality of noise vectors using scores of the plurality of noise vectors predicted through the score predictor, and reconstructing the plurality of synthetic latent vectors into a plurality of synthetic time series samples through the decoder and outputting them.

Abstract: A novel pyrimidine compound of the following formula I, a solvate, a stereoisomer or a pharmaceutically acceptable salt thereof are disclosed. Compositions containing the pyrimidine compound, solvate, stereoisomer or pharmaceutically acceptable salt thereof and methods of preventing or treating tyrosine kinase domain mutant EGFR-overexpression-associated diseases are disclosed.

Abstract: An embodiment hook assembly for a door curtain to be installed on a door panel of a vehicle, the hook assembly includes a hook body installed to penetrate a through hole formed in the door panel, and a hook pin having an upper end hinge-connected to an upper portion of the hook body, wherein in a state in which an upper portion of the hook pin is completely inserted into the hook body, a part of the hook body is in an opened state and the hook body is locked to a circumference of the through hole such that the hook body is fastened to the through hole.

Abstract: In some implementations, a system may receive interaction data indicating an interaction time and amount. The system may categorize the interaction in a category of a plurality of categories. For each category, the system may compare a total category amount with an average category amount. The system may determine, for each category, a proportion of the total category amount relative to a total account amount. The system may transmit, to a user device, user interface data associated with a ring-shaped user interface element that includes a plurality of segments corresponding to the plurality of categories. The user interface data indicates a width of a particular segment that is based on the comparison of the total category amount for a corresponding category with the average category amount, and an arc length that is based on the proportion of the total category amount for the corresponding category to the total account amount.

Abstract: An apparatus and method for processing a substrate can reduce the concentration of process by-products in a chemical solution.

Abstract: The present invention relates to a composition for a gel polymer electrolyte, which includes a lithium salt, a non-aqueous organic solvent, a polymerization initiator, and an oligomer containing a polycarbonate-based repeating unit, a gel polymer electrolyte in which mechanical strength and ion transfer capability are improved by polymerization of the composition for a gel polymer electrolyte, and a lithium secondary battery in which external impact and stability during high-temperature storage are improved by including the gel polymer electrolyte.

Abstract: The present invention relates to a method and system for providing language learning services. The method of providing language learning services, according to the present invention, the method may include: activating, in response to receiving an input for acquiring a learning target image through a user terminal, a camera of the user terminal; specifying at least a portion of an image taken by the camera as the learning target image; receiving language learning information for the learning target image from a server; providing the language learning information to the user terminal; and storing, based on a request for storing of the language learning information, the language learning information in association with the learning target image, such that the learning target image is used in conjunction with learning of the language learning information.

Abstract: The present invention relates to a naphthalimide sulfonate derivative, and a photoacid generator and a photoresist composition each comprising same and, more specifically, to a naphthalimide sulfonate derivative compound, and a photoacid generator and a photoresist composition each comprising same, wherein the compound has excellent absorbance for light of i-line (365 nm) wavelength, is greatly easy to prepare into a polymerizable composition due to very high solubility in an organic solvent, has good thermal stability, and shows a favorable acid generation rate.

Abstract: An electrolyte for a lithium secondary battery is disclosed herein. In some embodiments, an electrolyte includes a lithium salt present in a concentration of 1.6 M to 5 M, an oligomer mixture including a first oligomer containing a unit represented by Formula 1 and a second oligomer containing a unit represented by Formula 2, and an organic solvent.

Abstract: The present invention provides a device for measuring biological information including a sensor array, wherein the sensor array includes a plurality of sensors that are either sensors for amplifying photoreactivity or sensors forming an island network connected by a plurality of multi-channels and, in the device, the average value of biological information about the skin tissues is measured based on values output from the sensor array, and a method of measuring biological information using the device.