Abstract: An external material for vehicles may include a non-woven fabric having a honeycomb structure and a wheel guard including the same.

Abstract: Disclosed herein are an apparatus and method for retrieving on-chain data based on an index. The apparatus includes memory in which at least one program is recorded and a processor for executing the program. The program may include a blockchain connection manager for recording data in at least one node or retrieving data from at least one node and outputting the same by being connected to a blockchain network formed of multiple nodes, a blockchain index manager for creating and managing an index for data stored in at least one node, and a query engine for requesting storage of data resulting from a transaction in a corresponding node through the blockchain connection manager, creating an index on the stored data by interworking with the blockchain index manager, and acquiring and outputting data that is retrieved based on the index through the blockchain connection manger in response to a retrieval request.

Abstract: A hydrogen supply method includes a first fluid circulation operation in which a first fluid sequentially circulates through a first fluid circulation line including a first heat exchanger configured to exchange heat between the first fluid and an external fluid, a compressor, a second heat exchanger, and an expansion member. The hydrogen supply method further includes a (2-1)th fluid circulation operation in which a second fluid circulates through a second fluid circulation line through which the second fluid circulates and exchanges heat with the first fluid in the second heat exchanger. The (2-1)th fluid circulation operation includes allowing the second fluid to sequentially circulate through the second heat exchanger, a hydrogen storage including a metal or alloy that adsorbs hydrogen, and a pump through the second fluid circulation line.

Abstract: A hydrogen supply method including a (1-1)th fluid circulation operation in which a first fluid sequentially circulates through a first fluid circulation line including a first heat exchanger in which the first fluid and an external fluid exchange heat therebetween, a first flow rate control member that controls flow of the first fluid, a compressor, the first flow rate control member, a second heat exchanger, and an expansion member. The hydrogen supply method further includes a (2-1)th fluid circulation operation in which a second fluid circulates through a second fluid circulation line through which the second fluid circulates and exchanges heat with the first fluid in the second heat exchanger.

Abstract: A hydrogen supply method includes a two-side heat exchange mode in which both introducing a second fluid into a hydrogen storage part after the second fluid exchanges heat with a first fluid in a second heat exchanger in a state in which a compressor is driven to compress the first fluid and introducing the second fluid into the hydrogen storage part after the second fluid is heated or cooled in a thermal device are performed. The method also includes a one-side heat exchange mode in which one of introducing the second fluid into the hydrogen storage part after the second fluid exchanges heat with the first fluid in the second heat exchanger in a state in which the compressor is driven to compress the first fluid and introducing the second fluid into the hydrogen storage part after the second fluid is heated or cooled in the thermal device is performed.

Abstract: A hydrogen supply method includes a two-side heat exchange mode in which both introducing a second fluid into a hydrogen storage part after the second fluid exchanges heat with a first fluid in a second heat exchanger in a state in which a compressor is driven to compress the first fluid and introducing the second fluid into the hydrogen storage part after the second fluid is heated or cooled in the thermal device are performed. The method also includes a one-side heat exchange mode in which one of introducing the second fluid into the hydrogen storage part after the second fluid exchanges heat with the first fluid in the second heat exchanger in a state in which the compressor is driven to compress the first fluid and introducing the second fluid into the hydrogen storage part after the second fluid is heated or cooled in the thermal device is performed.

Abstract: An organic light emitting device including a compound of Chemical Formula 1 and a compound of Chemical Formula 2, wherein

Abstract: The present invention relates to antibody-drug conjugates (ADCs) wherein a plurality of active agents are conjugated to an antibody through at least one branched linker. The branched linker may comprise a branching unit, and two active agents are coupled to the branching unit through a secondary linker and the branching unit is coupled to the antibody by a primary linker. The active agents may be the same or different. In certain such embodiments, two or more such branched linkers are conjugated to the antibody, e.g., 2-4 branched linkers, which may each be coupled to a different C-terminal cysteine of a heavy or light chain of the antibody. The branched linker may comprise one active agent coupled to the branching unit by a first branch and a second branch that comprises a polyethylene glycol moiety coupled to the branching unit. In certain such embodiments, two or more such branched linkers are conjugated to the antibody, e.g.

Abstract: A method for generating a key stream according to an embodiment includes generating r round keys that are each N-dimensional integer vectors including elements of an integer set defined based on a prime number t, based on a random bit string, an encryption counter, and a secret key that is an N-dimensional integer vector consisting of elements of the integer set , generating a first round output vector x1 by performing a modular addition operation on an initial vector and a first round key RK1 of the r round keys with the prime number t as a modulus, and generating a key stream that is an N-dimensional integer vector consisting of elements of the integer set from the first round output vector x1 by using a second to r-th round keys of the r round keys, and one or more first round functions and a second round function.

Abstract: The present invention relates to a composition for preventing, alleviating or treating sarcopenia, containing D-ribo-2-hexulose as an active ingredient. D-ribo-2-hexulose of the present invention is a sweetener capable of replacing sugar, is harmless to the human body and does not cause side effects in normal cells so as to be safe for the human body, inhibits the degradation of myoproteins, and can exhibit muscle strengthening effects by increasing muscle mass, and thus the present invention is expected to be effectively usable in the prevention, alleviation or treatment of sarcopenia.

Abstract: In a display device including unfoldable areas and a foldable area between the unfoldable areas, the display device includes: a window; a display panel under the window; a fingerprint detection sensor configured to generate signals for fingerprint recognition in a direction toward the display panel in any one of the unfoldable areas; a first support member supporting the display panel under the display panel and between the display panel and the fingerprint detection sensor; a second support member supporting the display panel under the first support member and having an opening overlapping the fingerprint detection sensor; and a reinforcing member overlapping the opening of the second support member and between the first support member and the fingerprint detection sensor, wherein the reinforcing member includes glass.

Abstract: One embodiment of the present invention provides a method of manufacturing an electronic device using a cyclic doping process including i) an operation of forming a unit transfer thin film including a two-dimensional material on a transfer substrate, ii) an operation of doping the unit transfer thin film in a low-damage doping process, iii) an operation of transferring the unit transfer thin film doped according to the operation ii) on a transfer target substrate, and iv) an operation of repeatedly performing the operations i) to iii) several times to reach a target thickness.

Abstract: A positive electrode active material including a first lithium composite oxide particle including a secondary particle formed by aggregation of one or more primary particles, and a coating oxide occupying at least a part of at least one of surfaces of the secondary particle, grain boundaries between the primary particles, or surfaces of the primary particles, the positive electrode active material satisfying an equation of 1.3?a/b?3.0, wherein a represents a max peak intensity at 2theta=44.75° to 44.80° and b represents a max peak intensity at 2theta=45.3° to 45.6° in X-ray diffraction (XRD) analysis using Cu K? radiation.

Abstract: The present invention relates to a novel electrolyte and a secondary battery including the same. The present invention has an effect of providing a secondary battery having improved charging efficiency and output due to reduced charging resistance and having excellent long-term lifespan and high-temperature capacity retention rate.

Abstract: Disclosed are a page turning method for turning the pages of an electronic chart through a user interaction, and a computing device. The page turning method allows a user's interactive operation on an electronic chart to be sensed by considering the user's behavior of retrieving medical treatment details of a patient from a conventional paper chart, and allows pages of the electronic chart to be adjusted according to the sensed interactive operation so that a desired page of the user can be moved in the electronic chart and displayed on a screen.

Abstract: A method of controlling a display device includes rendering a plurality of viewpoint images, generating a plurality of sub-images based on the plurality of viewpoint images and a plurality of mapping pattern images corresponding to the plurality of viewpoint images, generating a single light-field image based on the plurality of sub-images, and outputting the single light-field image.

Abstract: An electronic package includes a substrate having a plurality of lands embedded within an insulating layer. Conductive patterns are disposed on at least a portion of a respective land top surface. An electronic device is electrically connected to the conductive patterns, wherein the land bottom surfaces are exposed to the outside. In another embodiment, the top land surfaces and the top surface of the insulating layer are substantially co-planar and the conductive patterns further overlap portions of the top surface of the insulating layer. In one embodiment, a package body encapsulates the top surface of the insulating material and the electronic device, wherein the land bottom surfaces are exposed to the outside of the package body.

Abstract: Provided is a strain sensor. The strain sensor according to embodiments of the inventive concept includes a flexible substrate, rigid patterns on the flexible substrate, the rigid patterns including a first pattern and a second pattern spaced apart from the first pattern in a first direction, a first electrode on the first pattern, a second electrode on the second pattern, the second electrode being spaced apart from the first electrode, and a piezoresistive layer connecting the first electrode and the second electrode. Here, each of the rigid patterns may have a stiffness greater than that of the flexible substrate.

Abstract: An apparatus for predicting performance of a wheel in a vehicle: includes a learning device that generates a latent space for a plurality of two-dimensional (2D) wheel images based on a convolutional autoencoder (CAE), extracts a predetermined number of the plurality of 2D wheel images from the latent space, and learns a dataset having the plurality of 2D wheel images and performance values corresponding to the plurality of 2D wheel images; and a controller that predicts performance for the plurality of 2D wheel images based on a performance prediction model obtained by the learning device.

Abstract: Disclosed is a positive electrode material for a lithium secondary battery. The positive electrode material includes a positive electrode active material formed of Li—[Mn—Ti]-M-O-based material including a transition metal (M) to enable reversible intercalation and deintercalation of lithium and molybdenum oxide. The positive electrode active material is coated with the molybdenum oxide to form a coating layer on a surface thereof.