Abstract: The present subject matter provides a heat pump and a control method thereof. The heat pump according to an embodiment of the present disclosure may include a circulation flow path in which a flow path switching valve configured to switch a flow direction of a refrigerant according to a cooling mode or a heating mode is disposed; and a first outdoor heat exchanger and a second outdoor evaporative heat exchanger disposed on the circulation flow path, wherein the circulation flow path includes a first connection flow path, arranged in parallel with the first outdoor heat exchanger and in which a first opening/closing valve configured to open and close a flow path is disposed to bypass the first outdoor heat exchanger.

Abstract: An apparatus for cooling a steel sheet includes: an apparatus body provided spaced apart from a steel sheet in the conveying path of the steel sheet; and a cooling unit provided in the apparatus body to supply a cooling fluid. The apparatus body includes: a first edge body that faces a first edge portion extending a certain distance from one side end of the steel sheet toward the center of the steel sheet; and a second edge body that faces a second edge portion extending a certain distance from the other side end of the steel sheet toward the center of the steel sheet. The first and second edge bodies may have stepped cross-sections in a direction perpendicular to the conveying direction of the steel sheet.

Abstract: A multilayer electronic component includes: a body having first and second surfaces opposing each other in a first direction and third and fourth surfaces connected to the first and second surfaces and opposing each other in a second direction; a first external electrode including a first connection portion, disposed on the third surface, and a first band portion extending from the first connection portion onto a portion of the first surface; a second external electrode including a second connection portion, disposed on the fourth surface, and a second band portion extending from the second connection portion onto a portion of the first surface; an insulating layer disposed on the second surface to extend to portions of the first and second connection portions; a first plating layer disposed on the first band portion; and a second plating layer disposed on the second band portion. The insulating layer includes a polymer resin.

Abstract: A semiconductor memory device includes a substrate including a device isolation film defining active regions; and cell gate structures in trenches, including first areas and second areas, the cell gate structures extending to intersect the active regions, each of the cell gate structures includes a cell gate insulating layer, extending along inner sidewalls of the trenches, a first gate dielectric film, on sidewalls of the cell gate insulating layer, in a first area of the trench, a second gate dielectric film, on the sidewalls of the cell gate insulating layer, in a second area of the trench, and a cell gate electrode structure, including a first gate electrode layer on sidewalls of the first gate dielectric film and a second gate electrode layer on sidewalls of the second gate dielectric film in the second area.

Abstract: The present invention provides a separator for an electrochemical device includes a porous polymer substrate, and a porous coating layer formed on at least one surface of the porous polymer substrate, wherein the porous coating layer includes a polymer binder, and inorganic particles whose surface is modified with one or more compounds selected from the group consisting of coumarin and a derivative thereof.

Abstract: This invention relates to apparatuses and methods for non-invasively measuring physiological parameters of a mammal subject using easily removable flexible electronics, and applications of the same. Specifically, a novel sensor class with a pre-curved architecture and strategically located perforations that may be used in apparatuses and methods for measuring physiological parameters of a mammal subject. Further, adhesive layers are used to attach the sensor systems on the skin of the mammal subject, and each adhesive layer is switchable chemically or physically between an adhesive state and a non-adhesive state, allowing easy removal of the corresponding sensor system from the skin of the mammal subject when being switched to the non-adhesive state.

Abstract: The present invention relates to a supported catalyst for propylene polymerization in which a first transition metal compound contributing to the production of crystalline polypropylene and a second transition metal compound contributing to the production of rubbery polypropylene are co-supported, and a method for producing a polypropylene resin using same. By using the supported catalyst, according to the present invention, it is possible to produce, by a single step of propylene polymerization, a polypropylene resin in which crystalline polypropylene and rubbery polypropylene are simultaneously formed.

Abstract: A semiconductor device includes a multi-channel active pattern, a plurality of gate structures on the multi-channel active pattern and spaced apart from each other in a first direction, the plurality of gate structures including a gate electrode that extends in a second direction different from the first direction, a source/drain recess between the adjacent gate structures, and a source/drain pattern on the multi-channel active pattern in the source/drain recess, wherein the source/drain pattern includes: a semiconductor liner layer including silicon-germanium and extending along the source/drain recess, a semiconductor filling layer including silicon-germanium on the semiconductor liner layer, and at least one or more semiconductor insertion layers between the semiconductor liner layer and the semiconductor filling layer, and wherein the at least one or more semiconductor insertion layers have a saddle structure.

Abstract: The present invention provides a compound of chemical formula 1, a compound of chemical formula 3, compound [212], compound [224], or compound [228], a pharmaceutically acceptable salt thereof, a stereoisomer thereof, a hydrate thereof, or a solvate thereof, and a pharmaceutical composition comprising same. The pharmaceutical composition has excellent antiviral efficacy, thereby having a preventive or treatment effect on viral infectious disease such as SARS-COV-2, and exhibits an inhibitory effect on IL-5 expression and thus has a preventive or treatment effect on respiratory disease or allergic disease.

Abstract: The present disclosure relates to a hydrogen purification/storage apparatus and method using a liquid organic hydrogen carrier (LOHC).

Abstract: A method for forming an insulating layer pattern includes providing a substrate comprising two or more different types of dielectric layer regions; and selectively forming a blocking layer on the substrate to include a first region and a second region. On the first region, the blocking layer is formed, whereas on the second region, no blocking layer is formed or the blocking layer is formed less than in the first region. The difference in water contact angle between the first region and the second region is within the range of 7 to 50 degrees.

Abstract: The present invention provides a separator for an electrochemical device includes a porous polymer substrate, and a porous coating layer including a first polymer binder and inorganic particles and formed on at least one surface of the porous polymer substrate, wherein the first polymer binder and the inorganic particles each have different ligands introduced thereto.

Abstract: A data processing system includes a compute blade generating a write command to store data and a read command to read the data, and a memory blade. The compute blade has a memory that stores information about performance characteristics of each of a plurality of memories, and determines priority information through which eviction of a cache line is carried out based on the stored information.

Abstract: A semiconductor device including a substrate including first and second regions along a first direction, and a third region between the first region and the second region, an active pattern extending in the first direction, on the substrate, and first to third gate electrodes spaced apart from each other and extending in a second direction, on the active pattern, the active pattern of the first region including first semiconductor patterns spaced apart from each other and penetrating the first gate electrode, the active pattern of the second region including second semiconductor patterns spaced apart from each other and penetrating the second gate electrode, the active pattern of the third region including a transition pattern protruding from the substrate and intersecting the third gate electrode and including a sacrificial pattern and a third semiconductor pattern alternately stacked on the third region and including different materials from each other.

Abstract: A method of generating a defect image of material based on artificial intelligence and a system for detecting a defect are disclosed. The system includes a learning data generating unit configured to generate multiple synthetic good quality images or synthetic defect images using a defect image, a learning unit configured to learn a model for detection of a defect by using the generated synthetic good quality images or the generated synthetic defect images and a defect detecting unit configured to detect a defect of an input image using the learned model. Here, the learning data generating unit detects a shape of the defect or a shape of a background by analyzing a kind or a distribution of the defect image, and generate different kind, number or resolution of the synthetic good quality image or the synthetic defect image depending on the detected shape of the defect or the detected shape of the background.

Abstract: A semiconductor device includes an active pattern including a lower pattern and a plurality of sheet patterns; a gate structure disposed on the lower pattern and surrounding the plurality of sheet patterns; and a source/drain pattern filling a source/drain recess formed on one side of the gate structure. The source/drain pattern includes a first semiconductor pattern extending along the source/drain recess and contacting the lower pattern, a second and third semiconductor patterns sequentially disposed on the first semiconductor pattern, a lower surface of the third semiconductor pattern is disposed below a lower surface of a lowermost sheet pattern, a side surface of the third semiconductor pattern includes a planar portion, and a thickness of the second semiconductor pattern on the lower surface of the third semiconductor pattern is different from a thickness of the second semiconductor pattern on the planar portion of the side surface of the third semiconductor pattern.

Abstract: The present disclosure relates to a lyocell material with controlled whiteness by hydrogen peroxide treatment and a manufacturing method thereof, wherein the lyocell material has improved whiteness due to an aging effect through drying and packaging by a predetermined amount of hydrogen peroxide remaining in a tow, and may replace a CA cigarette filter to lower environmental pollution problems caused by discarded cigarette butts, and thus the lyocell material is suitable as a cigarette filter.

Abstract: There are disclosed aluminum trihydroxide particles in which a D50 of the particles is about 3.0 ?m or less, a BET of about 3.0 m2/g or more, and a Li content of about 500 ppm or more.

Abstract: The present disclosure relates to a lyocell material for a cigarette filter and a method of manufacturing the same, in which, by setting the optimal total denier range of crimped lyocell tow, which may realize filter properties equivalent to cellulose acetate (CA) currently used as a cigarette filter, the optimal processability for manufacturing a cigarette filter may be secured, and due to the excellent biodegradability thereof, environmental pollution factors caused by conventional discarded cigarette butts may be reduced.

Abstract: A data processing system includes a compute blade generating a write command to store data and a read command to read the data, and a memory blade. The compute blade has a memory that stores information about performance characteristics of each of a plurality of memories, and determines priority information through which eviction of a cache line is carried out based on the stored information.