Abstract: The present technology relates to a positive electrode for a lithium secondary battery, which includes an insulating layer having excellent wet adhesion, and a lithium secondary battery including the same, and they have an advantage in that migration of lithium ions in an overlay region of the electrode can be blocked to suppress capacity expression and the like due to the insulating layer having excellent wet adhesion in a liquid electrolyte.

Abstract: A pneumatic tire to be combined with a rim is proposed. The tire may include a bead for preventing the pneumatic tire from coming off the rim. The tire may also include an apex configured to absorb an impact applied to the bead. The tire may further include a carcass extending to surround a portion of the apex and including a steel cord. The carcass may include a first carcass end portion disposed closer to one end of both ends of the apex in a radial direction of the pneumatic tire which is connected to the bead than the other end of the apex spaced apart from the bead.

Abstract: An apparatus and a method for generating a virtual sound to generate the virtual sound depending on a driving condition of a vehicle are provided. The apparatus comprises a detection device configured to detect vehicle environment data, a sound output device configured to play and output a virtual sound, and a processing device connected with the detection device and the sound output device. The processing device is configured to generate the virtual sound using the vehicle environment data and a big data-based sound database in a zero to hundred condition and controls the sound output device to play the generated virtual sound.

Abstract: Provided is a vector capable of co-expressing two different target proteins on the microbial surface using two promoters derived from Lactobacillus, and a method of expressing target proteins on the microbial surface using the vector. The vector containing foreign genes inserted therein is transformed into a microorganism, and allows different foreign proteins to be stably expressed on the surface of the microorganism. Furthermore, provided is a surface expression vector containing the gene pgsA encoding a poly-gamma-glutamate synthetase complex, and a method of expressing a target protein on the microbial surface using the vector. The vector containing foreign genes inserted therein is transformed into a microorganism, and allows the foreign proteins to be stably expressed on the surface of the microorganism.

Abstract: A method for analyzing a wafer map using a wafer map analyzer includes generating first wafer maps each displaying characteristics of a first wafer for a corresponding channel of a plurality of channels. The first wafer maps are auto-encoded together to extract a first feature. The method also includes determining whether the first feature is a valid pattern, classifying the type of the first feature based on unsupervised learning when the first feature is a valid pattern and extracting a representative image of features classified into the same type as the first feature.

Abstract: An apparatus and a method for generating a sound of an electrification vehicle are provided. The apparatus comprises a detection device configured to detect state information of a vehicle, a sound output device configured to play and output a virtual sound, and a processing device connected with the detection device and the sound output device. The processing device configured to detect a cornering state of the vehicle based on state information of the vehicle, analyze a longitudinal force, a lateral force, a tire slip ratio, and a tire slip angle according to the cornering state, calculate a cornering force based on the analyzed results, calculate a contact force based on a tire ground surface and road surface profile based on big data, generate a tire slip sound based on the cornering force and the contact force, and control the sound output device to play the tire slip sound.

Abstract: An embodiment of the present invention provides a storage container for welding wire, the storage container comprising: an outer shell which has an outer bottom support portion formed at the bottom thereof and within which a wire storage portion for storing coiled welding wire is formed; a bottom part which is seated on and coupled to the outer bottom support portion; an inner shell which comes into close contact with the inner surface of the outer shell and has an inner bottom support portion formed at the bottom thereof and seated on the bottom part; and a cover which is formed to correspond to the shape of the outer shell and closes the top of the outer shell.

Abstract: A particle filtration device according to an embodiment of the present invention as a particle filtration device of a lab-on-disk of a rotation type includes: a filtration film that separates particles by filtering a sample; a main chamber connected to the inlet surface of the filtration film and supplying the sample to the inlet surface of the filtration film; an outlet chamber that is connected to the outlet surface of the filtration film and accommodates the filtration fluid from which particles are separated while passing through the filtration film; and a waste fluid chamber connected to the outlet chamber and storing the filtration fluid, wherein the particle filtration device includes a first flow path that connects between the outlet chamber and the waste fluid chamber, and a second flow path that connects between the outlet chamber and the waste fluid chamber but is positioned farther from the center of the lab-on-disk than the first flow path.

Abstract: A polyimide precursor composition according to an exemplary embodiment includes an imide precursor having an organic group derived from a cyclic ether group-containing compound. A polyimide film formed using the polyimide precursor composition has improved heat resistance and mechanical properties, and has high absorbance in a wavelength range in an ultraviolet region.

Abstract: A pouch forming apparatus according to an embodiment of the present disclosure includes a die unit in which a forming groove is formed in a portion where a pouch film is disposed, a partition plate that divides the forming groove into at least two, and a pressing unit that presses the pouch film disposed on the die unit to form an electrode assembly-receiving part, wherein a chamfer part is formed at the lower end of the partition plate.

Abstract: An apparatus and a method for generating a sound of an electric vehicle are provided. The apparatus determines whether a current condition may be a regenerative braking condition, generates a regenerative braking sound based on an amount of change in motor torque in the regenerative braking condition, and outputs the generated regenerative braking sound.

Abstract: Disclosed is a portable communication device including a housing, a first printed circuit board (PCB) disposed in the housing, a wireless communication circuit mounted on the first PCB, and a second PCB including a connection part connected with the first PCB, a first PCB portion extended from the connection part and having greater flexibility than the connection part, a second PCB portion extended from the first PCB portion and having less flexibility than the first PCB portion, a third PCB portion extended from the second PCB portion and having greater flexibility than the second PCB portion, a fourth PCB portion extended from the third PCB portion and having less flexibility than the first PCB portion, a signal line extended to the connection part along the first, second, third, and fourth PCB portions, and vias arranged in at least a partial area of the second PCB portion or the fourth PCB portion, wherein a portion of the signal line is located between some of the vias.

Abstract: An embodiment of the present invention provides a retainer ring for welding wire, the retainer ring comprising: a pressure plate which is disposed on a welding wire stack wound and stored in a receiving container so as to press the welding wire stack, and has an opening formed at the center thereof; and a plurality of guide wings which are provided at the outer circumference of the pressure plate to come into contact with the inner wall of the receiving container and each comprise a flexible body that can be changed in shape.

Abstract: Provided are a kit for detecting Coronavirus using magnetic nanoparticles and a method detecting Coronavirus using the same. The kit for detecting Coronavirus includes a reactor having an opening on one side and provided with a sample containing Coronavirus, at least one magnetic nanoparticle part provided in the reactor, a conductive substrate provided to cover the opening of the reactor, and a magnetic field applying part for applying a magnetic field to the reactor, in which the magnetic nanoparticle part includes a magnetic nanoparticle including a core portion made of iron oxide and a shell portion made of gold and provided to surround the core portion, and a primer attached to the shell portion of the magnetic nanoparticle.

Abstract: A semiconductor wafer fault analysis system includes: a database to store a first reference map, which is classified as a first fault type, and a second reference map, which is classified as a second fault type; a first auto-encoder/decoder to remove a noise corresponding to the first fault type from the first reference map to generate a first pre-processed reference map; a second auto-encoder/decoder to remove a noise corresponding to the second fault type from the second reference map to generate a second pre-processed reference map; and a fault type analyzer. The database is updated based on the first and second pre-processed reference maps, and the fault type analyzer is to classify a fault type of a target map based on the updated database. The target map is generated by measuring a target wafer.

Abstract: A method, device, and system of classifying quality and selling packed meat based on an image are disclosed. The method of classifying quality and selling packed meat based on an image performed by a server includes acquiring an image of each of packed meats, storing each of the packed meats, classifying quality of each of the packed meats based on the image of each of packed meats, calculating a price of each of the packed meats based on the quality classification of each of the packed meats, displaying each of the packed meats by each meat, each part, and each grade on each user terminal, acquiring a purchase request for first packed meat selected by a first user through a first user terminal, determining a sale of the first packed meat, and shipping the first packed meat.

Abstract: A semiconductor device including a substrate having a plurality of active fins, each of the plurality of active fins extending in a first direction, first and second gate structures crossing over the plurality of active fins, the first and second gate structures extending in a second direction different from the first direction, the first and second gate structures spaced apart from each other in the first direction, at least one insulating barrier extending in the first direction and between the plurality of active fins, the insulating barrier separating lower portions of the first and second gate structures from each other, and a gate isolation layer connected to a portion of the insulating barrier, the gate isolation unit separating upper portions of the first and second gate structures from each other may be provided.

Abstract: A separator sealing device includes: a first sealing unit provided with a sealing tip having a protruding shape to press a separator on an outer surface thereof, the first sealing unit rotating about a first rotation shaft; and a second sealing unit provided with a pressing surface that faces the sealing tip to press the separator on a circumference thereof, the second sealing unit rotating about a second rotation shaft, wherein, when the first sealing unit and the second sealing unit rotate, the sealing tip and the pressing surface press the separator disposed between the first sealing unit and the second sealing unit to perform the sealing of the separator.

Abstract: An embodiment smart speaker includes a motor configured to rotate a rotary shaft, a speaker housing connected with the rotary shaft, a first speaker mounted on an inclined surface disposed on an upper end of the speaker housing, a second speaker mounted on a vertical surface of the speaker housing, a cover configured to protect the first speaker and the second speaker, and a controller configured to control a rotation of the first speaker and the second speaker using the motor to radiate a sound in at least one target direction.

Abstract: A method for manufacturing an electrode for secondary battery, including a pressing process in which a load is applied to an electrode active material slurry when the solid content of the electrode active material slurry is 70 wt % to 98 wt % during the process of drying the electrode active material slurry coated as one or more layers on a current collector. An apparatus for manufacturing the same is also provided.