Abstract: A combustor nozzle using fuel containing hydrogen, a combustor and gas turbine including the same are provided. The nozzle for a combustor configured to burn fuel containing hydrogen includes a fuel supply duct including a plurality of injection tubes through which air and fuel flow and a fuel passage through which fuel flows, a plurality of swirlers formed on a side surface of each of the plurality of injection tubes to guide air outside the injection tube to be introduced thereinto for swirling, and a plurality of fuel inlet holes formed radially through the injection tube to communicate with the fuel passage and allow fuel to flow through the fuel passage to the injection tube.

Abstract: The present disclosure discloses a method of manufacturing a semi-cured gel nail for nail art, and more particularly, to a method of manufacturing a UV-C semi-cured nail cured by being irradiated with ultraviolet of a UV-C wavelength. A gel nail according to an embodiment of the present disclosure may have a smooth surface on which luster is maintained and no fingerprint marks or traces remain even when the gel nail comes in contact with a hand or a device.

Abstract: A combustor nozzle using fuel containing hydrogen, a combustor and gas turbine including the same are provided. The nozzle for a combustor configured to burn fuel containing hydrogen includes a fuel supply duct including a plurality of injection tubes through which air and fuel flow and a fuel passage through which fuel flows, a plurality of swirlers formed on a side surface of each of the plurality of injection tubes to guide air outside the injection tube to be introduced thereinto for swirling, and a plurality of fuel inlet holes formed radially through the injection tube to communicate with the fuel passage and allow fuel to flow through the fuel passage to the injection tube.

Abstract: Proposed is a bandage for nail regeneration includes a release paper configured to be peeled off, a hydrocolloid layer attached to a surface of the release paper, a connection layer coupled to an upper surface of the hydrocolloid layer, and a base layer coupled to an upper surface of the connection layer.

Abstract: Provided are a nail measuring device, system, and method for customized nail products. The device comprises a nail gauge attached to a nail of a user to measure a three-dimensional (3D) shape data figure including a width and curvature value of the nail through photography. The device may take the form of measuring stickers which are attached to fingernails. An image is taken of fingernail having the sticker and the image is processed by the system to determine a size and shape of the nail.

Abstract: Provided is a continuous curing rate change type gel nail, and more particularly, a continuous curing rate change type gel nail characterized in that a curing rate of a resin portion of a gel nail is continuously changed from a soft property to a hard property.

Abstract: The present disclosure relates to a hybrid gel nail sticker, particularly a hybrid gel nail sticker in which a portion that is attached to a nail is in a semi-cured state and an extended portion is in a cured state. The area of a gel layer is divided into a soft gel layer and a hard gel layer, so that the hybrid gel nail sticker provides a nail extension effect.

Abstract: Provided are a C-shaped composite fiber, a C-shaped hollow fiber using the same, a fabric including the C-shaped composite fiber and/or the C-shaped hollow fiber, and a manufacturing method of the C-shaped composite fiber, the C-shaped hollow fiber, and/or the fabric, and more particularly, to a C-shaped composite fiber which has excellent strength and elongation together with improved hollowness, so that there is little deformation of the composite fiber and/or the hollow fiber in the manufacturing process thereof, quality degradation of the hollow fiber is minimized in the elution process thereof, a weight reduction process in a fabric state is not required when manufacturing the fabric, and the manufactured fabric has excellent warmth and lightness, a C-shaped hollow fiber using the same, a fabric including the C-shaped composite fiber and/or the C-shaped hollow fiber, and a manufacturing method of the C-shaped composite fiber, the C-shaped hollow fiber, and/or the fabric.

Abstract: A combustion apparatus can avoid instability in combustion by controlling a pressure ratio of fuel mixed with air. The combustion apparatus includes a casing; a pilot nozzle disposed at the center of the casing and supplied with fuel by a pilot fuel supply pipe; and a plurality of main nozzles arranged around the pilot nozzle and supplied with fuel by a main fuel supply pipe, each main nozzle including a pair of parallel fuel channels each extending to a respective fuel spray position within the main nozzle. A gas turbine adopting the combustion apparatus includes a plurality of combustors, each combustor including the casing, pilot nozzle, and plurality of main nozzles, with each main nozzle having first and second fuel channels respectively extending to a fuel spray position of the corresponding fuel channel. A pilot manifold connects the respective pilot nozzles, and a main manifold connects the respective main nozzles.

Abstract: Disclosed therein is a reinforced leather. The reinforced leather includes: a leather sheet layer made of a leather-like material; a bonded layer positioned on an upper face of the leather sheet layer; a textile layer positioned on an upper face of the bonded layer and made of cotton fabrics; and a coated layer positioned on an upper face of the textile layer. The reinforced leather can remedy the shortcoming that leather-like materials produced from waste resources get torn easily, be used as leather for shoes due to its high tensile strength and shear strength, and provide a beautiful appearance.

Abstract: A combustion apparatus can avoid instability in combustion by controlling a pressure ratio of fuel mixed with air. The combustion apparatus includes a casing; a pilot nozzle disposed at the center of the casing and supplied with fuel by a pilot fuel supply pipe; and a plurality of main nozzles arranged around the pilot nozzle and supplied with fuel by a main fuel supply pipe, each main nozzle including a pair of parallel fuel channels each extending to a respective fuel spray position within the main nozzle. A gas turbine adopting the combustion apparatus includes a plurality of combustors, each combustor including the casing, pilot nozzle, and plurality of main nozzles, with each main nozzle having first and second fuel channels respectively extending to a fuel spray position of the corresponding fuel channel. A pilot manifold connects the respective pilot nozzles, and a main manifold connects the respective main nozzles.

Abstract: Provided are a C-shaped composite fiber, a C-shaped hollow fiber using the same, a fabric including the C-shaped composite fiber and/or the C-shaped hollow fiber, and a manufacturing method of the C-shaped composite fiber, the C-shaped hollow fiber, and/or the fabric, and more particularly, to a C-shaped composite fiber which has excellent strength and elongation together with improved hollowness, so that there is little deformation of the composite fiber and/or the hollow fiber in the manufacturing process thereof, quality degradation of the hollow fiber is minimized in the elution process thereof, a weight reduction process in a fabric state is not required when manufacturing the fabric, and the manufactured fabric has excellent warmth and lightness, a C-shaped hollow fiber using the same, a fabric including the C-shaped composite fiber and/or the C-shaped hollow fiber, and a manufacturing method of the C-shaped composite fiber, the C-shaped hollow fiber, and/or the fabric.

Abstract: The present invention relates to a hot water supplying system that includes a preheating-circulating system, which heats water to maximally reduce the time to attain a temperature set by a user, and is designed to use a portion of preheating energy for heating, preventing pipelines from being frozen to burst in winter by preheating-circulating.

Abstract: Disclosed therein is a reinforced leather. The reinforced leather includes: a leather sheet layer made of a leather-like material; a bonded layer positioned on an upper face of the leather sheet layer; a textile layer positioned on an upper face of the bonded layer and made of cotton fabrics; and a coated layer positioned on an upper face of the textile layer. The reinforced leather can remedy the shortcoming that leather-like materials produced from waste resources get torn easily, be used as leather for shoes due to its high tensile strength and shear strength, and provide a beautiful appearance.

Abstract: A Bunsen burner which reduces pollutant materials generated during combustion by adopting a lean combustion, enhancing combustion stability.

Abstract: The present invention relates to a hot water supplying system that includes a preheating-circulating system, which heats water to maximally reduce the time to attain a temperature set by a user, and is designed to use a portion of preheating energy for heating, preventing pipelines from being frozen to burst in winter by preheating-circulating.