Abstract: Disclosed is a nerve conduit. The nerve conduit includes: a conduit body which connects both sides of a severed nerve within a biological body; a triboelectric nanogenerator which includes an upper friction layer and a lower friction layer; a multilinear electrode which is located between the conduit body and the triboelectric nanogenerator, and is electrically connected to the upper and lower friction layers; and an upper encapsulation layer which is positioned above the triboelectric nanogenerator. The nerve conduit of the present disclosure can enhance nerve regeneration efficiency.

Abstract: Disclosed is an ultrasonic triboelectric generating device and an electroceutical for nerve stimulation. A metal package is provided externally, an interface design between the metal package and the ultrasonic triboelectric generating device is improved to maximize power generation efficiency by ultrasonic waves, and a high power output may be continuously provided without a battery replacement process in various frequency bands.

Abstract: An optical imaging system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, an eighth lens, a ninth lens, a tenth lens, and an eleventh lens arranged in order from an object side, wherein the first lens has positive refractive power, and the second lens has positive refractive power, wherein the eleventh lens has at least one inflection point on at least one of an object-side surface and an image-side surface, and wherein 0.6<TTL/(2×IMG HT)<0.8, and Nv26?4 are satisfied, where TTL is a distance from an object-side surface of the first lens to an imaging surface on an optical axis, IMG HT is half a diagonal length of the imaging surface, and Nv26 is the number of lenses with an Abbe number of less than 26.

Abstract: A battery management system includes: a battery management unit; battery management integrated circuits (ICs) configured to receive measurement data from battery modules; a first wireless communication device configured as a primary aggregator to receive wireless transmissions of the measurement data from the battery management ICs and communicate the measurement data received by the first wireless communication device to the battery management unit; and a second wireless communication device configured as a secondary aggregator to monitor the wireless transmissions of the measurement data from the battery management ICs to the primary aggregator and communicate the measurement data received by the second wireless communication device to the battery management unit. The battery management unit is configured to manage the battery modules based on the measurement data provided to the battery management unit.

Abstract: The present invention relates to an additive for an epoxy adhesive and a composition for a structural epoxy adhesive including the same. The additive for the epoxy adhesive according to the present invention may have excellent dispersibility and mechanical properties, and thus may improve adhesion strength of the structural epoxy adhesive.

Abstract: A method for discovering a target antigen for a chimeric antigen receptor comprises the steps of: obtaining, by an analysis apparatus, expression information of genes of tumor cells in single cell units; extracting, by the analysis apparatus, from among the genes, genes of candidate antigens having an expression level of a reference value or more; determining, by the analysis apparatus, all possible gene combinations that can be constituted by the genes of the candidate antigens; and determining, by the analysis apparatus, a target gene combination in which at least one gene included therein is expressed, among the gene combinations.

Abstract: Disclosure are a triboelectric generator including a nano-composite life-limited via selective ultrasound application thereto, and a neurostimulation therapy device using the same. Disclosure are a life-limited nano-composite that initiates biodegradation thereof upon application of focused ultrasound thereto, and to a neurostimulation therapy device for peripheral neuropathy treatment using an ultrasound-driven triboelectric generator based on the life-limited nano-composite. The device has a power source that is harmless to a human body and performs nerve stimulation treatment using this power source, and then causes biodegradation at a desired timing after the treatment is completed.

Abstract: Proposed is a method of measuring the slope of a drainpipe while moving through the drainpipe. The method includes following steps: a) continuously measuring a slope of a pipe using a slope sensor disposed in a vehicle when the vehicle moves; b) measuring distances to a ceiling of the pipe in real time through non-contact sensors disposed at four positions, that is, at both sides of front and rear portions the vehicle, the step b) being performed simultaneously with the step a); and c) calculating slope differences, which are the degrees of inclination to the front, rear, left, and right using trigonometry and then correcting the slope by reflecting the slope differences to the slope measured in the step a), when there are differences in the distances measured in step b).

Abstract: The present inventive concept relates to a method for improving a lifespan of a liquid crystal display (LCD) of a masked stereolithography (MSLA) 3D printer, the method including the steps of: slicing a three-dimensional (3D) image into two-dimensional (2D) images; outputting the 2D images to the LCD; calculating irradiation area coordinates of UV LEDs in accordance with the 2D images; and irradiating UV light of the UV LEDs on an area matching with the 2D images in accordance with the calculated irradiation area coordinates of the UV LEDs.

Abstract: A system and method for distributing data are provided. The system for distributing data which manages the distribution of data from one or more data transmitting nodes to a data receiving node, according to one embodiment of the present invention, comprises: an off-chain pool management unit; an integrity authentication unit; a data distribution verification unit; and a block chain storage unit.

Abstract: The present invention relates to an ultrasonic wave-driven triboelectric generator in which a self-gap is formed using plasma etching. The present invention relates to an ultrasonic wave-driven triboelectric generator having a polymer film as one triboelectric layer having a self-gap defined therein using plasma etching such that a surface area thereof is increased to achieve high power and miniaturization of the generator.

Abstract: The present disclosure relates to an ultrathin glass comprising a coating layer, wherein the coating layer comprises a top surface coating layer formed on the top surface of the ultrathin glass and a side surface coating layer that is connected to the top surface coating layer and covers the side surface of the ultrathin glass, and a method for preparing the same.

Abstract: A triboelectric energy generating device including: a first triboelectric layer made of a conductive material; a second triboelectric layer made of the ferroelectric composite, wherein the second triboelectric layer faces and is spaced apart from a friction face of the first triboelectric layer; and an outer wall surrounding at least a portion of each of the first triboelectric layer and the second triboelectric layer. The ferroelectric composite includes a polymer matrix and ferroelectric particles dispersed in the polymer matrix. When the ultrasonic wave is applied to the device, the first triboelectric layer and the second triboelectric layer repeatedly contact and are spaced from each other to generate the triboelectric energy. When the ultrasonic wave is applied to the device, an electric field is generated to maintain a polarized state of the ferroelectric particles to maintain an output of the triboelectric energy.

Abstract: The present inventive concept relates to a method for improving a lifespan of a liquid crystal display (LCD) of a masked stereolithography (MSLA) 3D printer, the method including the steps of: slicing a three-dimensional (3D) image into two-dimensional (2D) images; outputting the 2D images to the LCD; calculating irradiation area coordinates of UV LEDs in accordance with the 2D images; and irradiating UV light of the UV LEDs on an area matching with the 2D images in accordance with the calculated irradiation area coordinates of the UV LEDs.

Abstract: Disclosure are a triboelectric generator including a nano-composite life-limited via selective ultrasound application thereto, and a neurostimulation therapy device using the same. Disclosure are a life-limited nano-composite that initiates biodegradation thereof upon application of focused ultrasound thereto, and to a neurostimulation therapy device for peripheral neuropathy treatment using an ultrasound-driven triboelectric generator based on the life-limited nano-composite. The device has a power source that is harmless to a human body and performs nerve stimulation treatment using this power source, and then causes biodegradation at a desired timing after the treatment is completed.

Abstract: A rotor disk assembly for a gas turbine engine includes a rotor disk that defines an axis, the rotor disk comprising a slot within a rim of the disk and a spacer within the slot, the spacer having a clearance feature sized to permit rotation of a rotor blade from an insertion position to an installed position.

Abstract: Proposed is a method of measuring the slope of a drainpipe while moving through the drainpipe. The method includes following steps: a) continuously measuring a slope of a pipe using a slope sensor disposed in a vehicle when the vehicle moves; b) measuring distances to a ceiling of the pipe in real time through non-contact sensors disposed at four positions, that is, at both sides of front and rear portions the vehicle, the step b) being performed simultaneously with the step a); and c) calculating slope differences, which are the degrees of inclination to the front, rear, left, and right using trigonometry and then correcting the slope by reflecting the slope differences to the slope measured in the step a), when there are differences in the distances measured in step b).

Abstract: The present disclosure relates to a hand rehabilitation exercise device, including: a finger movement sensing sensor sensing a movement of a finger; and a finger worn unit to which the finger movement sensing sensor is attached/detached, and worn on the finger.

Abstract: A rotor disk assembly for a gas turbine engine includes a rotor disk that defines an axis, the rotor disk comprising a slot within a rim of the disk and a spacer within the slot, the spacer having a clearance feature sized to permit rotation of a rotor blade from an insertion position to an installed position.

Abstract: A borescope plug system includes a housing, a driver, and a spring. The housing includes a first housing end and a second housing end. The housing further includes a longitudinally extending centerline extending between the first housing end and the second housing end. The driver is disposed at least partially within the housing along the longitudinally extending centerline and includes a first driver end and a second driver end. The spring is disposed within the housing and couples the housing to the driver. The driver is configured to move within the housing, along the longitudinally extending centerline, to engage the first driver end with a borescope plug of a borescope plug port, and to install or remove the borescope plug from the borescope plug port based on a rotation of the driver about the longitudinally extending centerline.