Abstract: A strain sensor may have a conductive elastic yarn including a first fiber having a predetermined length and a shape of a fiber yarn and a second fiber having electrical conductivity and a sheet shape. The strain sensor may have a pair of wiring members electrically connected to both ends of the conductive elastic yarn. The conductive elastic yarn, with the second fiber wrapped around the first fiber, is twisted in a coil shape.

Abstract: The present disclosure relates to an apparatus for preparing an oligomer, the apparatus including: a reactor for oligomerizing a feed stream containing a fed monomer; a stirrer inserted into a hole formed in an upper portion of the reactor; and a solvent transfer line extending inward from a side of the reactor, wherein the stirrer includes a rotating shaft vertically extending downward from the upper portion of the reactor, and a blade having a conical shape whose vertex is positioned at a lower end of the rotating shaft and outer diameter increases from a bottom toward a top, and the solvent transfer line has a plurality of spray nozzles formed in a direction toward the blade.

Abstract: The present invention relates to a positive electrode active material and a lithium secondary battery using a positive electrode containing the positive electrode active material. More particularly, the present invention relates to a positive electrode active material that is able to solve a problem of increased resistance according to an increase in Ni content by forming a charge transport channel in a lithium composite oxide and a lithium secondary battery using a positive electrode containing the positive electrode active material.

Abstract: Provided is a method of producing an oligomer, the method including: supplying a monomer stream and a solvent stream to a reactor to perform an oligomerization reaction to produce a reaction product; supplying a discharge stream of the reactor to a separation device, and supplying an upper discharge stream of the separation device including an unreacted monomer to the reactor and supplying a lower discharge stream of the separation device to a settling tank; settling a polymer in the settling tank and removing the polymer, and supplying the lower discharge stream of the separation device from which the polymer is removed to a high-boiling point separation column; removing a high-boiling point material from a lower discharge stream of the high-boiling point separation column and supplying an upper discharge stream of the high-boiling point separation column including an oligomer to a solvent separation column; and separating a solvent and the oligomer in the solvent separation column.

Abstract: A light-emitting element includes a first semiconductor layer, a light-emitting layer disposed on the first semiconductor layer, a second semiconductor layer disposed on the light-emitting layer, a device electrode layer disposed on the second semiconductor layer, a reflective electrode layer disposed on the device electrode layer, an insulating film surrounding a side surface of the light-emitting layer, a side surface of the second semiconductor layer, and a side surface of the device electrode layer, and a reflective layer surrounding a side surface of the insulating film, wherein the side surface of the device electrode layer is aligned with a side surface of the reflective electrode layer.

Abstract: A method for predicting performance of a vehicle NVH system based on deep learning is provided. The method includes preprocessing learning data collected for each channel associated with noise and vibration while driving, learning a model forming a correlation function between multiple inputs and multiple outputs corresponding to the preprocessed learning data using an artificial neural network, and predicting performance using a vehicle NVH system model formed through the learned model.

Abstract: A method for predicting performance of a vehicle NVH system based on deep learning is provided. The method includes preprocessing learning data collected for each channel associated with noise and vibration while driving, learning a model forming a correlation function between multiple inputs and multiple outputs corresponding to the preprocessed learning data using an artificial neural network, and predicting performance using a vehicle NVH system model formed through the learned model.

Abstract: Disclosed is an eco-friendly polymer composition for an insulation layer of power cables having a morphology in which a second phase substance of polypropylene composite is dispersed in a first phase substance of polypropylene, wherein the polypropylene composite of the second phase substance has a morphology in which an at least partially cured elastomer is dispersed as a filler in a matrix of polypropylene.

Abstract: Disclosed is a polymer composition having a semi-homogeneous phase that exhibits excellent electrical, mechanical and thermal properties while satisfying flexibility, bendability and impact resistance. More specifically, disclosed is a polymer composition having a morphology in which a rubber-phase filler of a propylene copolymer is dispersed in a matrix of polypropylene, wherein an elution rate of the rubber-phase filler in a xylene-based solvent is less than 50%, based on the content of the rubber-phase filler such that the rubber-phase filler forms a semi-homogeneous phase with the matrix.

Abstract: Disclosed is an eco-friendly polymer composition for an insulation layer of power cables having a morphology in which a second phase substance of polypropylene composite is dispersed in a first phase substance of polypropylene, wherein the polypropylene composite of the second phase substance has a morphology in which an at least partially cured elastomer is dispersed as a filler in a matrix of polypropylene.

Abstract: Disclosed is a polymer composition having a semi-homogeneous phase that exhibits excellent electrical, mechanical and thermal properties while satisfying flexibility, bendability and impact resistance. More specifically, disclosed is a polymer composition having a morphology in which a rubber-phase filler of a propylene copolymer is dispersed in a matrix of polypropylene, wherein an elution rate of the rubber-phase filler in a xylene-based solvent is less than 50%, based on the content of the rubber-phase filler such that the rubber-phase filler forms a semi-homogeneous phase with the matrix.

Abstract: Disclosed is a heterophasic polymer composition for environmentally friendly cable insulation layers that exhibits excellent electrical, mechanical, and thermal properties while realizing the flexibility, bendability, and impact resistance performance characteristics of polypropylene. The heterophasic polymer composition for cable insulation layers is configured such that propylene copolymer particles each having a predetermined size are dispersed in a polypropylene matrix.

Abstract: Disclosed is a heterophasic polymer composition for environmentally friendly cable insulation layers that exhibits excellent electrical, mechanical, and thermal properties while realizing the flexibility, bendability, and impact resistance performance characteristics of polypropylene. The heterophasic polymer composition for cable insulation layers is configured such that propylene copolymer particles each having a predetermined size are dispersed in a polypropylene matrix.

Abstract: Disclosed herein is an apparatus for generating an operating sound of a vehicle, which does not require a separate installation space and thus imposes no spatial limitations on the design of the vehicle. The apparatus includes a rotatable mechanism and a film The rotatable mechanism is driven by a motor, and is provided with a plurality of blades. The film is provided on at least one of the blades, a first end of the film being secured to an edge of the blade and a second end being a free end.

Abstract: The present invention relates to an ice-making device for a refrigerator and a refrigerator having the same. The ice-making device of the present invention comprises a water tank detachably mounted to a rear surface of a refrigerator door; an ice-making housing detachably mounted to the rear surface of the door below the water tank and provided with a predetermined installation space therein; an ice tray mounted into the installation space and formed with a plurality of ice-making grooves in which water supplied from the water tank is frozen into ice; a valve assembly operating to selectively supply water stored in the water tank to the ice tray when the water tank is installed or withdrawn; and an ice bank for storing ice made in the ice tray, wherein the ice bank is installed in the installation space to be received in or withdrawn out of the installation space.

Abstract: Disclosed herein is an apparatus for generating an operating sound of a vehicle, which does not require a separate installation space and thus imposes no spatial limitations on the design of the vehicle. The apparatus includes a rotatable mechanism and a film The rotatable mechanism is driven by a motor, and is provided with a plurality of blades. The film is provided on at least one of the blades, a first end of the film being secured to an edge of the blade and a second end being a free end.

Abstract: A method of controlling a computer system having a computer to generate and to transmit a video signal, a display to display the video signal transmitted from the computer, and an interface through which the computer communicates with the display, the method including transmitting a control command to check a blank edge line from the computer to the display; receiving the control command and determining whether an edge line of an image display area of the display is blank according to the control command; transmitting blank checking data from the display to the computer; and adjusting resolution of the image signal and transmitting the image signal from the computer to the display based on the transmitted blank checking data.

Abstract: A refrigerator includes a main body in which storage space is formed, a door pivotably mounted at a front of the main body, a hinge member connecting the main body with the door, and a receiving member which is mounted at an upper surface of the main body and accommodates a lead wire extended from at least one of the main body and door.

Abstract: A refrigerator is provided. In the refrigerator, a manufacture cost for a buffer device to buffer a shock generated when opening a home bar door, can be reduced.

Abstract: The present invention relates to an ice-making device for a refrigerator and a refrigerator having the same. The ice-making device of the present invention comprises a water tank detachably mounted to a rear surface of a refrigerator door; an ice-making housing detachably mounted to the rear surface of the door below the water tank and provided with a predetermined installation space therein; an ice tray mounted into the installation space and formed with a plurality of ice-making grooves in which water supplied from the water tank is frozen into ice; a valve assembly operating to selectively supply water stored in the water tank to the ice tray when the water tank is installed or withdrawn; and an ice bank for storing ice made in the ice tray, wherein the ice bank is installed in the installation space to be received in or withdrawn out of the installation space.