Abstract: A battery control apparatus includes a memory for storing a criterion voltage for a battery; a measuring unit for measuring a voltage of the battery during a charging or discharging process of the battery; and a processor for comparing the measured voltage and the criterion voltage during the charging or discharging process of the battery and changing a charging C-rate or a discharging C-rate for the battery when the measured voltage corresponds to the criterion voltage.

Abstract: Disclosed is a method for producing a shoe sole. The shoe sole includes: a shoe sole fabric having the form of a sole; a protective cover having the form corresponding to the form of the shoe sole fabric and bonded to a lower surface of the shoe sole fabric with a plurality of pillar through holes vertically penetrating the protective cover; and a plurality of pillar pieces passing through the plurality of pillar through holes, and bonded to the lower surface of the shoe sole fabric and arranged in a form of protruding downward from the protective cover.

Abstract: The present invention relates to: a steel sheet for a seismic damper used to provide a structure with seismic resistance against earthquakes; and a manufacturing method of same, and more specifically, to a steel sheet which is for a seismic damper and has a superior toughness property, and a manufacturing method of same.

Abstract: The present invention provides a steel material for a seismic damper, and a manufacturing method for same. The steel material comprises, in wt %, at most 0.006% of C, at most 0.05% of Si, at most 0.3% of Mn, at most 0.02% of P, at most 0.01% of S, 0.005 to 0.05% of Al, at most 0.005% of N, 48/14×[N] to 0.05% of Ti (here, [N] is the nitrogen content in wt %), 0.04 to 0.15% of Nb, and the remainder in Fe and other unavoidable impurities, and has a ferrite single structure, and has a ferrite grain average particle size of 150 to 500 ?m in a region of a surface layer part, corresponding to 30% of the total thickness from the surface thereof.

Abstract: A high-strength structural steel material having excellent fatigue crack propagation inhibitory characteristics according to an aspect of the present invention contains, by weight, 0.02-0.12% of C, 1.7-2.5% of Mn, 0.01-0.8% of Si, 0.005-0.5% of Al, and the balance Fe and unavoidable impurities, wherein a microstructure of the structural steel sheet material is divided into a surface layer portion outside and a central portion inside along a thickness direction; the surface layer portion comprises tempered bainite as a matrix structure, fresh martensite as a second structure, and austenite as a residual structure; and the central portion comprises lath bainite.

Abstract: A structural steel having excellent brittle crack propagation resistance, according to one aspect of the present invention, comprises, by wt %, 0.02-0.12% of C, 0.01-0.8% of Si, 1.7-2.5% of Mn, 0.005-0.5% of Al, and the balance of Fe and inevitable impurities, wherein an outer surface part and an inner center part thereof are microstructurally distinguished in the thickness direction, and the surface part comprises tempered bainite as a base structure, comprises fresh martensite as a second structure and can comprise austenite as a residual structure.

Abstract: One aspect of the present invention may provide steel having high strength characteristics and excellent corrosion resistance, which is suitable for a structure, and a method for manufacturing same.

Abstract: A method of recycling a large amount of insole scrap stack is proposed. The method includes forming a plate-shaped stack made of flat-plate-shaped foam and woven fabric, separating an insole scrap stack from the plate-shaped stack, and forming a pulverized insole scrap having an average diameter of 0.05 to 0.7 mm by cool-pulverizing or freeze-pulverizing the insole scrap stack at 10° C. or less. The pulverized insole scrap may be used for manufacturing foam.

Abstract: Disclosed is a method for producing a shoe sole. The shoe sole includes: a shoe sole fabric having the form of a sole; a protective cover having the form corresponding to the form of the shoe sole fabric and bonded to a lower surface of the shoe sole fabric with a plurality of pillar through holes vertically penetrating the protective cover; and a plurality of pillar pieces passing through the plurality of pillar through holes, and bonded to the lower surface of the shoe sole fabric and arranged in a form of protruding downward from the protective cover.

Abstract: A high-strength structural steel having excellent cold bendability, according to one embodiment of the present invention, comprises, by wt %, 0.02-0.1% of C, 0.01-0.6% of Si, 1.7-2.5% of Mn, 0.005-0.5% of Al, 0.02% or less of P, 0.01% or less of S, 0.0015-0.015% of N, and the balance of Fe and other inevitable impurities, wherein an outer surface layer part and an inner central part thereof are microstructurally divided in a thickness direction, the surface layer part can comprise tempered austenite as a matrix structure, and the central part can comprise bainitic ferrite as a matrix structure.

Abstract: A structural steel having excellent brittle fracture resistance according to an aspect of the present invention comprises, by weight %, 0.02-0.12% of C, 0.01-0.8% of Si, 1.5-2.5% of Mn, 0.005-0.5% of Al, 0.02% or less of P, 0.01% or less of S, 0.0015-0.015% of N, and the remainder of Fe and unavoidable impurities, wherein an outer surface layer portion and an inner central portion are microstructurally divided along the thickness direction, the surface layer portion comprises tempered bainite as a matrix structure, the central portion comprises bainitic ferrite as a matrix structure, and the NDT temperature by the NRL drop-weight test may be ?70° C. or lower.

Abstract: An aspect of the present invention relates to a high-strength and high-manganese steel having excellent low-temperature toughness, the high-strength and high-manganese steel comprising, in terms of wt %, 4.3-5.7% of manganese (Mn), 0.015-0.055% of carbon (C), 0.015-0.05% silicon (Si), 0.6-1.7% of aluminum (Al), 0.01-0.1% of niobium (Nb), 0.015-0.055% of titanium (Ti), 0.001-0.005% of boron (B), 0.03% or less of phosphor (P), 0.02% or less of sulfur (S), and the balance iron (Fe) and other inevitable impurities, wherein the microstructure thereof comprises, in terms of percent by volume, 40-60% of martensite and 40-60% of tempered martensite.

Abstract: A structural steel having excellent brittle crack propagation resistance, according to one aspect of the present invention, comprises, by wt %, 0.02-0.12% of C, 0.01-0.8% of Si, 1.7-2.5% of Mn, 0.005-0.5% of Al, and the balance of Fe and inevitable impurities, wherein an outer surface part and an inner center part thereof are microstructurally distinguished in the thickness direction, and the surface part comprises tempered bainite as a base structure, comprises fresh martensite as a second structure and can comprise austenite as a residual structure.

Abstract: The present invention relates to a manufacturing method for dried bulbs and tubers, the method comprising the steps of: punching and perforating the surface of bulbs and tubers with microneedles; placing the perforated bulbs and tubers in a test tube; and freeze-drying the perforated bulbs and tubers placed in the test tube. According to the features of the present invention, the nutritional values of bulbs and tubers can be increased, high-quality products can be provided to a consumer through simple processing, and dried bulbs and tubers having a high restoration rate while having a significantly extended expiration date can be provided.

Abstract: A device for cutting an artificial anus protection plate includes a protection plate support part that supports the artificial anus protection plate, a guide rod screw-coupled to a coupling rod in a lengthwise direction of the coupling rod, and a cutting part that cuts the artificial anus protection plate at a preset diameter.

Abstract: A high-strength structural steel material having excellent fatigue crack propagation inhibitory characteristics according to an aspect of the present invention contains, by weight, 0.02-0.12% of C, 1.7-2.5% of Mn, 0.01-0.8% of Si, 0.005-0.5% of Al, and the balance Fe and unavoidable impurities, wherein a microstructure of the structural steel sheet material is divided into a surface layer portion outside and a central portion inside along a thickness direction; the surface layer portion comprises tempered bainite as a matrix structure, fresh martensite as a second structure, and austenite as a residual structure; and the central portion comprises lath bainite.

Abstract: An aspect of the present invention relates to a high-strength and high-manganese steel having excellent low-temperature toughness, the high-strength and high-manganese steel comprising, in terms of wt %, 4.3-5.7% of manganese (Mn), 0.015-0.055% of carbon (C), 0.015-0.05% silicon (Si), 0.6-1.7% of aluminum (Al), 0.01-0.1% of niobium (Nb), 0.015-0.055% of titanium (Ti), 0.001-0.005% of boron (B), 0.03% or less of phosphor (P), 0.02% or less of sulfur (S), and the balance iron (Fe) and other inevitable impurities, wherein the microstructure thereof comprises, in terms of percent by volume, 40-60% of martensite and 40-60% of tempered martensite.

Abstract: Provided is a device for cutting an artificial anus protection plate. The device includes: a protection plate support part having a support part in which a coupling rod passing through the artificial anus protection plate and having a male screw section formed on the outer peripheral surface thereof is installed, and which supports the artificial anus protection plate; and a rotary pressing part including a cutting part, which has a circular blade for boring a hole in the artificial anus protection plate at a preset diameter, and a pressing body, which has a female screw section passing through the cutting part and screw-coupled to the male screw section of the coupling rod, and presses the cutting part toward the support part by means of rotation.

Abstract: A method of manufacturing an organic light emitting display includes forming a first light-emitting layer on a substrate, forming a first portion of a second light-emitting layer on the first light-emitting layer, forming a third light-emitting layer on the first light-emitting layer, and forming a second portion of the second light-emitting layer on the first portion of the second light-emitting layer.