Abstract: Provided is a bioresorbable stent including a stent substrate including a bioresorbable polymer and a contrast medium containing an iodine component, coated on the stent substrate. Since the stent according to the present invention is absorbed in and removed from the human body after a predetermined time, it has excellent biodegradability since it has improved radiopacity by iodine contrast medium coating, it has a high radiography contrast and is very efficient even when a procedure is performed with real time radiography, and since it has low foreshortening and high flexibility, radial force, and re-coil, it may be useful for insertion into a blood vessel having a small diameter, an acute occlusive lesion, an imminent occlusive lesion, and the like.

Abstract: A semiconductor device includes a substrate, a first active pattern disposed on the substrate, a second active pattern stacked on the first active pattern, a first gate structure extending to intersect the first active pattern and the second active pattern, a second gate structure spaced apart from the first gate structure and extending to intersect the first active pattern and the second active pattern, a first epitaxial pattern interposed between the first gate structure and the second gate structure, and connected to the first active pattern, a second epitaxial pattern interposed between the first gate structure and the second gate structure, and connected to the second active pattern, an insulating pattern interposed between the first epitaxial pattern and the second epitaxial pattern, and a semiconductor film interposed between the insulating pattern and the second epitaxial pattern, the semiconductor film extending along a top surface of the insulating pattern.

Abstract: A method performed by a managing server includes: receiving, from an electronic device, operation data of the electronic device; identifying, by using artificial intelligence (AI), a device usage pattern of the electronic device; identifying, by using the AI, information related to a failure or an abnormal operation of the electronic device and a solution to the failure or the abnormal operation based on the device usage pattern and the operation data received from the electronic device; and transmitting, to a user terminal, the information related to the failure or the abnormal operation of the electronic device and the solution to the failure or the abnormal operation.

Abstract: A vehicle seat reinforcement device includes a leg portion mounted on a floor panel, a seat cushion frame slidably mounted on the leg portion, and a load reinforcing structure connected between the leg portion and the seat cushion frame, wherein when a seat belt anchorage load is transferred to the seat cushion frame, the seat cushion frame is locked to the leg portion by the load reinforcing structure.

Abstract: Disclosed is a method for preparing a lithium-metal composite oxide, the method comprising the steps of: (a) mixing an aqueous solution of one or more transition metal-containing precursor compounds with an alkalifying agent and a lithium precursor compound to precipitate hydroxides of the transition metals; (b) mixing the mixture of step (a) with water under supercritical or subcritical conditions to synthesize a lithium-metal composite oxide, and drying the lithium-metal composite oxide; and (c) subjecting the dried lithium-metal composite oxide either to calcination or to granulation and then calcination. Also disclosed are an electrode comprising the lithium-metal composite oxide, and an electrochemical device comprising the electrode. In the disclosed invention, a lithium-metal composite oxide synthesized based on the prior supercritical hydrothermal synthesis method is subjected either to calcination or to granulation and then calcination.

Abstract: Disclosed are a photosensitive resin composition for a color filter that includes (A) a binder resin including phenol-based resin represented by the following Chemical Formula 1; (B) a photopolymerizable monomer; (C) a photopolymerization initiator; (D) a colorant; and (E) a solvent, and a color filter using the same. In Chemical Formula 1, each substituent is the same as defined in the detailed description.

Abstract: Disclosed are a photosensitive resin composition for a color filter that includes (A) a binder resin including phenol-based resin represented by the following Chemical Formula 1; (B) a photopolymerizable monomer; (C) a photopolymerization initiator; (D) a colorant; and (E) a solvent, and a color filter using the same. In Chemical Formula 1, each substituent is the same as defined in the detailed description.

Abstract: Disclosed is a photosensitive resin composition including (A) a photopolymerizable monomer including a compound represented by the following Chemical Formula 1, wherein the substituents of Chemical Formula 1 are the same as defined in the specification, (B) a binder resin, (C) a photopolymerization initiator, (D) a pigment and (E) a solvent, and a color filter using the same.

Abstract: The present invention relates to antibacterial and antifungal compositions having 3-isothiazolone and polyhexamethyleneguanidine phosphate. These new antiseptic compositions demonstrate a superior degree of effectiveness on a wide spectrum of pathogens. The present invention also relates to the use of these new antiseptic compositions to kill and/or restrain the growth of bacteria and fungi in a variety of applications.

Abstract: Disclosed is a photosensitive resin composition including (A) a photopolymerizable monomer including a compound represented by the following Chemical Formula 1, wherein the substituents of Chemical Formula 1 are the same as defined in the specification, (B) a binder resin, (C) a photopolymerization initiator, (D) a pigment and (E) a solvent, and a color filter using the same.

Abstract: The present invention relates to a lithium-containing metal composite oxide comprising paramagnetic and diamagnetic metals, which satisfies any one of the following conditions: (a) the ratio of intensity between a main peak of 0±10 ppm (I0ppm) and a main peak of 240±140 ppm (I240ppm), (I0ppm/I240ppm), is less than 0.117·Z wherein z is the ratio of moles of the diamagnetic metal to moles of lithium; (b) the ratio of line width between the main peak of 0±10 ppm (I0ppm) and the main peak of 240±140 ppm (I240ppm), (W240ppm/W0ppm), is less than 21.45; and (c) both the conditions (a) and (b). The peaks of the lithium-containing metal composite oxide are obtained according to the 7Li—NMR measurement conditions and means disclosed herein.

Abstract: Disclosed is a method for preparing a lithium-metal composite oxide, the method comprising the steps of: (a) mixing an aqueous solution of one or more transition metal-containing precursor compounds with an alkalifying agent and a lithium precursor compound to precipitate hydroxides of the transition metals; (b) mixing the mixture of step (a) with water under supercritical or subcritical conditions to synthesize a lithium-metal composite oxide, and drying the lithium-metal composite oxide; and (c) subjecting the dried lithium-metal composite oxide either to calcination or to granulation and then calcination. Also disclosed are an electrode comprising the lithium-metal composite oxide, and an electrochemical device comprising the electrode. In the disclosed invention, a lithium-metal composite oxide synthesized based on the prior supercritical hydrothermal synthesis method is subjected either to calcination or to granulation and then calcination.

Abstract: Disclosed is a lithium-containing metal composite oxide comprising paramagnetic and diamagnetic metals, which satisfies any one of the following conditions: (a) the ratio of intensity between a main peak of 0±10 ppm (Io PPm) and a main peak of 240±140 ppm (I240 pPm), Uoppm/124o PPm), is less than 0.117·Z wherein Z is the ratio of moles of the diamagnetic metal to moles of lithium; (b) the ratio of line width between the main peak of 0±10 ppm (Io PPm) and the main peak of 240+140 ppm (I24o PPm), (W24o PPm/WO ppm), is less than 21.45; and (c) both the conditions (a) and (b), the peaks being obtained according to the 7Li—NMR measurement conditions and means disclosed herein. Also, an electrode comprising the lithium-containing metal composite oxide, and an electrochemical device comprising the electrode are disclosed.

Abstract: The present invention relates to an apparatus for manufacturing compacted irons and an apparatus for manufacturing molten irons using the same. The apparatus for manufacturing compacted irons according to the present invention includes a charging hopper into which reduced materials containing fine reduced irons are charged, screw feeders installed inside the charging hopper to make an acute angle with a vertical direction and discharging the reduced materials containing fine reduced irons which enter into the charging hopper, and a couple of rolls separated from each other to form a gap between the rolls. The couple of rolls compact the reduced materials containing fine reduced irons discharged from the charging hopper by the screw feeders and manufacture compacted irons. Each screw feeders is arranged side by side along an axis direction of the couple of rolls and an extension of the center axis of each screw feeder passes through the gap.

Abstract: The present invention relates to an apparatus for manufacturing compacted irons and an apparatus for manufacturing molten irons using the same. The apparatus for manufacturing compacted irons according to the present invention includes a charging hopper into which reduced materials containing fine reduced irons are charged, screw feeders installed inside the charging hopper to make an acute angle with a vertical direction and discharging the reduced materials containing fine reduced irons which enter into the charging hopper, and a couple of rolls separated from each other to form a gap between the rolls. The couple of rolls compact the reduced materials containing fine reduced irons discharged from the charging hopper by the screw feeders and manufacture compacted irons. Each screw feeders is arranged side by side along an axis direction of the couple of rolls and an extension of the center axis of each screw feeder passes through the gap.

Abstract: The present invention relates to antibacterial and antifungal compositions having 3-isothiazolone and polyhexamethyleneguanidine phosphate. These new antiseptic compositions demonstrate a superior degree of effectiveness on a wide spectrum of pathogens. The present invention also relates to the use of these new antiseptic compositions to kill and/or restrain the growth of bacteria and fungi in a variety of applications.

Abstract: A method of preparing N,N-disubstituted 3,3′-dithiodipropionamide of formula (2) is provided. In the method, 3-mercaptopropi-onamide of formula (4) reacts with an aqueous solution of amine to prepare N-substituted-3-mercaptopropionamide of formula (3) and N-substituted-3-mercaptopropionamide reacts with an aqueous solution of hydrogen peroxide. In addition, a method of preparing substituted 3-isothiazolone is provided.

Abstract: A method of preparing N,N-disubstituted-3,3′-dithiodipropionamide of formula (2) is provided. In the method, 3-mercaptopropionamide of formula (4) reacts with an aqueous solution of amine to prepare N-substituted-3-mercaptopropionamide of formula (3) and N-substituted-3-mercaptopropionamide reacts with an aqueous solution of hydrogen peroxide. In addition, a method of preparing substituted 3-isothiazolone is provided.

Abstract: A method of preparing a microbial culture for wastewater treatment comprising the steps of supplying an aerated material derived from an aeration tank (13) to a bioreactor (17) and cultivating a microorganism existing in the aerated material by adding a culture having a relatively long preservation time and a large number of effective microorganisms.

Abstract: A method of preparing water free isothiazolone having the steps of obtaining an extract from an aqueous solution containing isothiazolone by using a halogenationed hydrocarbon or nitrated hydrocarbon, removing the halogenationed hydrocarbon or nitrated hydrocarbon from the extract, and adding a organic solvent such as glycol, alcohol and glycol ether provides a water free isothiazolone having a high stability without forming wastes and harmful gas.