Abstract: The present invention relates to a pharmaceutical composition for preventing or treating coronavirus disease 19 (COVID-19) and specifically, to a pharmaceutical composition containing a carbocyclic nucleoside derivative represented by Chemical Formula A-1 or A-2 or a pharmaceutically acceptable salt thereof.

Abstract: Disclosed herein are a distributed cloud system, a data processing method of the distributed cloud system, a storage medium. The data processing method of the distributed cloud system includes running an application of an edge computing system requested by a user device, generating a snapshot image of the application, and storing the generated snapshot image and transmitting the stored image during migration.

Abstract: The present disclosure provides autotaxin (ATX) inhibitor compounds and compositions including said compounds. The present disclosure also provides methods of using said compounds and compositions for inhibiting ATX. Also provided are methods of preparing said compounds and compositions, and synthetic precursors of said compounds.

Abstract: A display device comprises a display panel comprising an image display area and a non-display area, display pixels comprising light-emitting elements in the image display area and pixel driving units connected to the light-emitting elements, light-sensing pixels comprising photo-detecting units in a fingerprint sensing area in the image display area, and sense driving units connected to the photo-detecting units, a light-sensing reset driver configured to supply reset signals to the sense driving units of the light-sensing pixels for at least each horizontal line among the light-sensing pixels in response to a line select signal from a display driving circuit; and a fingerprint scan driver configured to sequentially supply a fingerprint scan signal to the sense driving units of the light-sensing pixels in response to a fingerprint scan control signal from the display driving circuit.

Abstract: An embodiment method of manufacturing an electrolyte membrane for fuel cells includes preparing a three-layer structure including a first ionomer layer on a first surface of a porous support and a second ionomer layer on a second surface of the porous support opposite the first surface, pressurizing an inert gas into the three-layer structure to produce a microporous membrane, impregnating the microporous membrane with an additional ionomer solution, and drying the microporous membrane.

Abstract: An aluminum pouch film for a secondary battery is disclosed. The aluminum pouch film includes an aluminum film layer; an outer resin layer deposited on one surface of the aluminum film layer; and an inner resin layer deposited on the other surface of the aluminum film layer, wherein the inner resin layer comprises a polyolefin resin, an ethylene vinyl alcohol copolymer (EVOH) and a maleic anhydride polypropylene (MAHPP) resin.

Abstract: A display apparatus includes a communication interface configured to communicate with another display apparatus, a display configured to display contents being shared with the other display apparatus and a video call user interface (UI) for a video call with a user of the other display apparatus, and a processor, in response to at least one of a gesture and a voice of the user included in video call data received from the other display apparatus satisfying a predetermined condition, configured to control the display to change a size of the video call UI displayed on the display.

Abstract: A secondary battery includes an electrode assembly having a positive electrode provided with a positive electrode tab, a separator, and a negative electrode provided with a negative electrode tab, the positive electrode, the separator, and the negative electrode being wound, the electrode assembly having a core part at a center thereof; a can configured to receive the electrode assembly therein, the negative electrode tab being connected to the can; a cap assembly coupled to an opening of the can, the positive electrode tab being connected to the cap assembly; and a reinforcing member provided on an end of the separator exposed beyond the positive electrode or the negative electrode to prevent heat of the positive electrode tab or the negative electrode tab from being transferred to the separator.

Abstract: An embodiment of the present disclosure discloses tobacco material including: a center portion including a flavor material; and an outer portion including a tobacco mixture, wherein the outer portion surrounds the center portion.

Abstract: In a method of manufacturing a cathode active material for a lithium secondary battery, a preliminary lithium metal oxide particle is prepared. The preliminary lithium metal oxide particle is cleaned using a boron compound cleaning solution. A cathode active material for a lithium secondary particle includes a lithium metal oxide particle where a ratio of a B+ peak intensity relative to a sum of peak intensities of Li+, B+ and LiB+ fragments by a TOF-SIMS analysis is in a range from 0.03% to 1.5%.

Abstract: A computer system compresses value change data. Value change ranges are identified for value changes corresponding to different times. Codes are selected based on the identified value change ranges. The value change range codes are concatenated with machine-coded categories and stored. The stored concatenated codes are used for transaction validation.

Abstract: Disclosed are novel compounds of Chemical Formula 1, optical isomers of the compounds, and pharmaceutically acceptable salts of the compounds or the optical isomers. The compounds, isomers, and salts exhibit excellent activity as GLP-1 receptor agonists. In particular, they, as GLP-1 receptor agonists, exhibit excellent glucose tolerance, thus having a great potential to be used as therapeutic agents for metabolic diseases. Moreover, they exhibit excellent pharmacological safety for cardiovascular systems.

Abstract: A substrate processing apparatus includes a photoresist coater applying a photoresist film on a substrate, a humidifier increasing an amount of moisture in an ambient to which the photoresist film on the substrate is exposed, and an exposer irradiating the photoresist film exposed to the ambient having the increased amount of moisture with light. The humidifier is disposed between the photoresist coater and the exposer.

Abstract: A display apparatus includes a communication interface configured to communicate with another display apparatus, a display configured to display contents being shared with the other display apparatus and a video call user interface (UI) for a video call with a user of the other display apparatus, and a processor, in response to at least one of a gesture and a voice of the user included in video call data received from the other display apparatus satisfying a predetermined condition, configured to control the display to change a size of the video call UI displayed on the display.

Abstract: Disclosed herein is a multi-cloud edge system. The multi-cloud edge system includes a core cloud, a multi-cluster-based first edge node system, and a multi-cluster-based near edge node system, wherein the multi-cluster-based first edge node system includes multiple worker nodes, and a master node including a scheduler.

Abstract: An etching composition for etching a titanium aluminum nitride layer and a method of manufacturing an integrated circuit, the etching composition includes about 15 wt % to about 30 wt % of an oxidizing agent; about 1 wt % to about 10 wt % of a pH adjusting agent, the pH adjusting agent including an inorganic acid or an organic acid; about 0.001 wt % to about 1 wt % of an etching booster; and a solvent, all wt % being based on a total weight of the etching composition.

Abstract: A method of preparing a positive electrode active material includes mixing a positive electrode active material precursor with a lithium raw material and performing a primary heat treatment, and performing a secondary heat treatment at a temperature lower than that of the primary heat treatment to prepare a positive electrode active material. The primary heat treatment and the secondary heat treatment are respectively performed in an oxygen atmosphere. The secondary heat treatment is performed in the oxygen atmosphere with an oxygen concentration of 50% or more.

Abstract: Provided is a wire rod for a concrete reinforcing steel fiber, a steel fiber, and a manufacturing method therefor. According to one disclosed embodiment of a wire rod for a concrete reinforcing steel fiber, the wire rod comprises, by weight, C: 0.01 to 0.04%, Si: 0.07 to 0.3%, Mn: 1.0 to 2.0%, P: 0.1 to 0.3% and the balance of Fe and other unavoidable impurities, wherein, when the radius of the wire rod is r, in a region from the center of a cross section perpendicular of the longitudinal direction to 0.95*r, the area fraction of ferrite is 90% or more, and the remainder comprises pearlite, wherein the average grain size of the ferrite may be 30 ?m or less and the colony size of the pearlite may be 10 ?m or less.

Abstract: The present invention relates to a polymer carbon nitride, a specific crystal form of the polymer carbon nitride, and a cosmetic composition, an ultraviolet ray-blocking composition, and an external use skin preparation composition, which include the polymer carbon nitride. The polymer carbon nitride according to one aspect of the present invention and a crystal form produced by a specific preparation example thereof can absorb both UVA and UVB, and thus can effectively protect the skin from ultraviolet rays while also being non-toxic and thus suitable for living bodies and lacking photoactivity. Therefore, the polymer carbon nitride and the crystal form can be utilized in a cosmetic composition, an ultraviolet ray-blocking composition and an external use skin preparation composition, which are applied to the living body.

Abstract: One embodiment of the present invention provides: a high toughness high carbon cold rolled steel sheet having excellent formability comprising, by weight %, C: 0.80% to 1.25%, Mn: 0.2% to 0.6%, Si: 0.01% to 0.4%, P: 0.005% to 0.02%, S: 0.01% or less, Al: 0.01% to 0.1%, Cr: 0.01% to 1.0%, Sn: 0.05% to 0.5%, the remainder being Fe and other unavoidable impurities, in which a microstructure includes, by area %, retained austenite: 1% to 10%, martensite: 1% to 10%, ferrite: 5% or less (including 0%), the remainder being bainite, and has an average grain size of 3 ?m to 20 ?m, and an internal oxide layer formed directly below the surface has a thickness of 10 ?m or less; and a method for manufacturing same.