Abstract: A memory system may include: a memory device including a plurality of memory blocks; and a memory controller configured to receive a write request including a logical address from an outside, to store write data corresponding to the write request in a first memory block among the plurality of memory blocks, wherein when a map information update is required and the write request is a sequential write operation, to store, in a second memory block, offset information related to a page of the first memory block in which the write data is lastly stored.

Abstract: The present disclosure is to provide a piston assembly in which a particle does not leak out of a cylinder, and including, in an embodiment, a piston body; a piston rod connected to the piston body; a first groove formed in an outer surface of the piston body; and a particle discharge flow path extending from an internal space of the piston body to the outer surface of the piston body.

Abstract: A display device includes a substrate including an emission area and a non-emission area, alignment electrodes arranged to be spaced from each other in a first direction on the substrate and extending in a second direction crossing the first direction, and pixels arranged along the second direction. Pixels adjacent to each other in the second direction from among the pixels may be configured to emit light of different colors. Each of the pixels may include first light emitting elements on the alignment electrodes and arranged along the second direction, second light emitting elements on the alignment electrodes, spaced from the first light emitting elements in the first direction, and arranged along the second direction, a first pixel electrode electrically connected to a first driving power and first ends of the first light emitting elements, a second pixel electrode spaced from the first pixel electrode in the first direction.

Abstract: Provided are an ammonia decomposition catalyst and a method of decomposing ammonia. The ammonia decomposition catalyst includes an activated carbon carrier and a metal loaded on the carrier, wherein a Brunauer, Emmett and Teller (BET) specific surface area of the carrier is about 850 m2/g or more, and the metal includes cerium (Ce).

Abstract: According to the present invention, a spontaneous-emission type photosensitive resin composition comprises a cardo-based binder resin comprising at least one repeating unit of chemical formula 1 to chemical formula 4.

Abstract: A surface coating material includes a plurality of fluorine-containing silicon compounds and an additive. The fluorine-containing silicon compounds include a fluorine-containing (poly)ether moiety, a hydrolytic silane moiety, and a linking group between the fluorine-containing (poly)ether moiety and the hydrolytic silane moiety. The linking group is configured to form a non-covalence interaction between adjacent molecules.

Abstract: A surface coating material includes a first material and a second material having a different structure. The first material includes a linking group represented by *—(CF2)nO—* between two terminal ends, where one terminal end is a trifluoroalkoxy group and another terminal end is a silane group. The second material includes an oxyalkylene group or a *—NH—* linking group between two terminal ends, where one terminal end is an alkoxy group or an amino group, and another terminal end is a silane group. The first material is included in the surface coating material in an amount of less than or equal to about 5 mol % relative to a total amount (100 mol %) of the first material and the second material in the surface coating material.

Abstract: The present inventive concept relates to a system for dissolving gas.

Abstract: The present inventive concept relates to a venturi nozzle apparatus. Specifically, an embodiment of the present inventive concept provides a venturi nozzle apparatus which mixes water and a gas to dissolve the gas in the water, the venturi nozzle apparatus including a housing in which a flow pipe through which at least one of the water and the water in which the gas is dissolved selectively flows and a bypass pipe which communicates with the flow pipe to selectively bypass at least one of the water and the water in which the gas is dissolved flowing through the flow pipe are disposed, an injector unit which is detachably inserted into the flow pipe of the housing and configured to selectively receive the gas and the water to dissolve the gas in the water, and a valve member which is inserted into the bypass pipe of the housing and configured to cause at least one of the water and the water in which the gas is dissolved to flow to at least one of the flow pipe of the housing and the bypass pipe of the housing.

Abstract: Provided are an ammonia decomposition catalyst and a method of decomposing ammonia. The ammonia decomposition catalyst includes an activated carbon carrier and a metal loaded on the carrier, wherein a Brunauer, Emmett and Teller (BET) specific surface area of the carrier is about 850 m2/g or more, and the metal includes cerium (Ce).

Abstract: Disclosed are a surface coating material including a compound represented by Chemical Formula 1, a film, a stacked structure, a display device, and an article including a glass substrate coated with the surface coating material. In Chemical Formula 1, each substituent is the same as defined in the detailed description.

Abstract: A metal oxide photosensitive resin composition for forming a blue pattern layer includes scattering particles including a metal oxide having an average particle diameter of 30 to 300 nm, provided that the metal oxide photosensitive resin composition does not include quantum dots.

Abstract: Provided is a method of testing a specimen by using a gel-type patch to minimize residual substances that do not react with the target material in the specimen, the method including preparing a patch that contains the test reagent above the specimen, lowering the patch by a first distance toward where the specimen is located, raising the patch by a second distance in a direction away from the specimen, and raising the patch by a third distance in a direction away from the specimen.

Abstract: A composition including a perfluoropolyether compound, and an organic solvent configured to dissolve or disperse the perfluoropolyether compound, wherein the perfluoropolyether compound includes a first end and a second end facing each other and a perfluoropolyether moiety disposed between the first end and the second end, wherein the first end includes an organic group having 6 or more carbon atoms, and wherein the second end includes a hydrolysable silicon-containing residual group.

Abstract: A surface coating material includes a first material and a second material having a different structure. The first material includes a linking group represented by *—(CF2)nO—* between two terminal ends, where one terminal end is a trifluoroalkoxy group and another terminal end is a silane group. The second material includes an oxyalkylene group or a *—NH—* linking group between two terminal ends, where one terminal end is an alkoxy group or an amino group, and another terminal end is a silane group. The first material is included in the surface coating material in an amount of less than or equal to about 5 mol % relative to a total amount (100 mol %) of the first material and the second material in the surface coating material.

Abstract: Disclosed are a surface coating material including a first material and a second material having a different structure, wherein the first material has a greater weight average molecular weight than the second material, a film, a stacked structure, a display device, and an article including a glass substrate coated with the surface coating material.

Abstract: Disclosed are a system for pretreatment of sample and a method for controlling the same. The system for pretreatment of sample, including: a holder storage unit having a module holder on which a sample pretreatment module is seated; a cartridge accommodating portion for loading a cartridge therein, wherein the sample accommodated in a chamber of the sample pretreatment module is discharged and loaded into the cartridge; a magnetic force generating unit for generating a magnetic force to rotate the permanent magnet provided in the sample pretreatment module; and a penetration and discharge unit for penetrating the penetration membrane in the sample pretreatment module and discharging the sample by pressing the moving unit of the cap.

Abstract: A surface coating material includes a plurality of fluorine-containing silicon compounds and an additive. The fluorine-containing silicon compounds include a fluorine-containing (poly)ether moiety, a hydrolytic silane moiety, and a linking group between the fluorine-containing (poly)ether moiety and the hydrolytic silane moiety. The linking group is configured to form a non-covalence interaction between adjacent molecules.

Abstract: Disclosed are a surface coating material including a compound represented by Chemical Formula 1, a film, a stacked structure, a display device, and an article including a glass substrate coated with the surface coating material. In Chemical Formula 1, each substituent is the same as defined in the detailed description.

Abstract: A window for a display device includes a substrate and a functional layer applied on the substrate, wherein the window has surface irregularities, and the surface irregularities are associated with a depth histogram that has a positive skewness and a positive kurtosis. A method of manufacturing the same and a display device including the window are disclosed.