Abstract: The present invention relates to a method for producing hollow activated carbon nanofibers for activating peroxymonosulfate used in water purification; a catalyst for water purification comprising the hollow active carbon nanofibers produced by the method; and a method for purifying contaminated water using the catalyst. The production method of the present invention can easily produce hollow activated carbon nanofibers capable of rapidly purifying contaminated water by highly efficiently activating peroxymonosulfate used for water purification.

Abstract: A composition for enhancing protein strength according to the present invention contains an aminosilane compound capable of covalent binding with a protein of hair, scalp, skin, nails, leather, or textile, so that the protein and the amino silane compound form a covalent bond, and thus the composition can improve the protein strength enhancement effect and maximize the semi-permanent protein strength enhancement effect.

Abstract: A method for manufacturing a vehicle wheel includes: a casting process of manufacturing the wheel in a one-piece body having a forming end and a temporary flange protruding at inner and outer sides of the wheel, respectively, wherein the one-piece body further includes a resonance chamber forming groove; a primary shape machining process of forming a stepped part at an outer circumferential side of the resonance chamber forming groove; a flow forming process of bending the forming end to be seated on the stepped part; a friction stir welding process of integrally bonding a portion where the forming end and the stepped part are in close contact with each other; a fine machining process of removing the temporary flange; and a sound-absorbing hole machining process of forming a sound-absorbing hole for communicating between the resonance chamber and an interior space of a tire in the forming end.

Abstract: Disclosed is an apparatus for monitoring bioaerosols, including a capturer configured to capture bioaerosol particles in air in a capture solution; a particle sprayer configured to electro-spray the capture solution in a form of droplets such that the particles are included in at least some of the sprayed droplets; and an analyzer configured to analyze the particles, sprayed through the particle sprayer, by machine learning. In accordance with such a configuration, the droplets containing a certain amount of the particles can be continuously analyzed in real time by machine learning, thereby contributing to the improvement of monitoring efficiency for a specific bioaerosol genus.

Abstract: The present disclosure relates to an electrolyte injection system, and the electrolyte injection system is a system for injecting an electrolyte solution into a pouch in which an electrode assembly is embedded, the electrolyte injection system comprising: an injection pipe for injecting an electrolyte solution; an electrolyte solution supply portion supplying an electrolyte solution; and a manifold portion connecting an injection pipe and an electrolyte solution supply portion to prevent a reverse flow of the electrolyte solution and ensure precision of injection amount so that a large amount of electrolyte solution may be accurately and rapidly injected.

Abstract: Disclosed herein are a method and apparatus for converting a credential data schema.

Abstract: Disclosed herein is a method for user-centered visitor access management, which may include issuing, by a management office server, a digital certificate to a householder terminal; registering, by a wall-pad, a householder in response to a request to register the householder based on the digital certificate; requesting, by the householder terminal, the management office server to register a visitor based on a visit request from a visitor terminal and delegating the digital certificate to the visitor terminal; making an entry request to a management terminal based on the digital certificate; verifying, by the wall-pad, the digital certificate based on a request for verification for entry from a wall-pad management terminal and providing a verification result to the wall-pad management terminal when the management terminal is the wall-pad management terminal; and managing and controlling, by the wall-pad, permission to use home devices based on delegated permission information of the digital certificate.

Abstract: Proposed are a system and a method for pressurizing an all-solid-state secondary battery at high temperature. More particularly, proposed are a system and a method for pressurizing an all-solid-state secondary battery at high temperature, in which a pre-process of high-temperature pressurization for maximizing a contact interface between a solid electrolyte and an active material and minimizing interfacial resistance is automated in such a manner that the fed secondary battery is automatically packed through a vacuum sealing unit and then pressurized at high temperature, thereby shortening a tact time and thus increasing process efficiency.

Abstract: Tattoo needle unit according to the present invention includes a pocket having a body part; at least one first needle having a first diameter and coupled to the pocket; and at least one second needle having a second diameter larger than the first diameter and coupled to the pocket, wherein, a part of the first needle is exposed out of the body part, and another part of the first needle is disposed inside the body part, and wherein, a part of the second needle is exposed out of the body part, and another part of the second needle is disposed inside the body part. According to the tattoo needle unit according to the present invention, there is an advantage in that it is possible to easily implement a tattoo of a more diverse and natural shape due to the combination of various types of needles.

Abstract: A tattoo device according to the present invention comprises a body including a hollow penetrating in the longitudinal direction; a compression ring coupled to the front end of the body; a chuck comprising a plurality of elastic support parts disposed in the body, a plurality of pressing parts extending from one ends of each elastic support parts and at least partly disposed in the compression ring, and a connection part combining the other ends of elastic support parts; a push member comprising a shaft part and a button part, the shaft part disposed in the body and coupled to the connection part of the chuck, the button part extending from the shaft part and at least partly protruding outside of rear end of the body; and a spring disposed in the body and providing an elastic force to push the push member toward the rear end of the body. A gap between the plurality of pressing parts may be widened when the push member is pushed toward the front end of the body.

Abstract: A liquid crystal display including: a liquid crystal display panel having liquid crystal cells arranged in a matrix defined by data lines and gate lines that cross each other, wherein a thin film transistor is provided in each respective cell adjacent to a crossing of a data line and a gate line for the respective cell; a scanning voltage generator to generate at least two scanning voltages that have different values; a plurality of gate driving integrated circuits to generate scanning pulses using the scanning voltages and to supply the scanning pulse to the gate lines; and a switching circuit to switch the scanning voltages and to apply the scanning voltages to the gate driving integrated circuits.

Abstract: A liquid crystal display and a method of driving the same is capable of for preventing a difference in brightness from occurring between horizontal line blocks. A liquid crystal display includes a liquid crystal display panel having liquid crystal cells arranged in a matrix pattern; at least one integrated circuit for driving the liquid crystal display panel; a supply line commonly connected to the at least one integrated circuit for applying drive signals to the at least one integrated circuit; and a signal-limiting part formed at an input terminal of the supply line, wherein the supply line has a higher resistance than the sum of the line resistances of the entire supply line.

Abstract: A liquid crystal display and a method of driving the same is capable of for preventing a difference in brightness from occurring between horizontal line blocks. A liquid crystal display includes a liquid crystal display panel having liquid crystal cells arranged in a matrix pattern; at least one integrated circuit for driving the liquid crystal display panel; a supply line commonly connected to the at least one integrated circuit for applying drive signals to the at least one integrated circuit; and a signal-limiting part formed at an input terminal of the supply line, wherein the supply line has a higher resistance than the sum of the line resistances of the entire supply line.

Abstract: A method and apparatus for driving a liquid crystal display panel results in minimizing the deterioration of picture quality caused by a variation in the gate low voltage. A liquid crystal cell matrix is defined by intersections between gate lines and data lines. In the apparatus, a gate driver applies a gate high voltage to the gate lines in a corresponding first period, a first gate low voltage independent from other gate lines to the gate lines in the next second period, and a second gate low voltage depending on other gate lines to the gate lines in the next third period.

Abstract: A gate driving method and apparatus for a liquid crystal display panel is disclosed that minimizes deterioration of picture quality caused by a variation in a gate low voltage. A liquid crystal cell matrix is defined by intersections between gate lines and data lines having corresponding thin film transistors. A gate driver applies a gate high voltage, which is at least equal to the turn-on voltages of the thin film transistors, to the gate lines in a corresponding period, and applies an independent gate low voltage to the gate lines divided into a plurality of blocks as turn-off voltages of the thin film transistors in each block.

Abstract: A liquid crystal display and a method of driving the same is capable of for preventing a difference in brightness from occurring between horizontal line blocks. A liquid crystal display includes a liquid crystal display panel having liquid crystal cells arranged in a matrix pattern; at least one integrated circuit for driving the liquid crystal display panel; a supply line commonly connected to the at least one integrated circuit for applying drive signals to the at least one integrated circuit; and a signal-limiting part formed at an input terminal of the supply line, wherein the supply line has a higher resistance than the sum of the line resistances of the entire supply line.

Abstract: A gate driving method and apparatus for a liquid crystal display panel is disclosed that minimizes deterioration of picture quality caused by a variation in a gate low voltage. A liquid crystal cell matrix is defined by intersections between gate lines and data lines having corresponding thin film transistors. A gate driver applies a gate high voltage, which is at least equal to the turn-on voltages of the thin film transistors, to the gate lines in a corresponding period, and applies an independent gate low voltage to the gate lines divided into a plurality of blocks as turn-off voltages of the thin film transistors in each block.

Abstract: A method and apparatus for driving a liquid crystal display panel results in minimizing the deterioration of picture quality caused by a variation in the gate low voltage. A liquid crystal cell matrix is defined by intersections between gate lines and data lines. In the apparatus, a gate driver applies a gate high voltage to the gate lines in a corresponding first period, a first gate low voltage independent from other gate lines to the gate lines in the next second period, and a second gate low voltage depending on other gate lines to the gate lines in the next third period.

Abstract: A liquid crystal display and a method of driving the same is capable of for preventing a difference in brightness from occurring between horizontal line blocks. A liquid crystal display includes a liquid crystal display panel having liquid crystal cells arranged in a matrix pattern; at least one integrated circuit for driving the liquid crystal display panel; a supply line commonly connected to the at least one integrated circuit for applying drive signals to the at least one integrated circuit; and a signal-limiting part formed at an input terminal of the supply line, wherein the supply line has a higher resistance than the sum of the line resistances of the entire supply line.