Abstract: Disclosed are a method and an apparatus for an instant messaging service to provide a schedule service. A schedule management server according to an example embodiment includes receiving a schedule creating request, selecting any one of a first type of calendar belonging to a chatroom in which the schedule creating request is created and a second type of calendar belonging to a user account which creates the schedule creating request, according to a schedule type included in the schedule creating request; and creating a schedule corresponding to the selected type of calendar.

Abstract: The present invention provides a system for autonomously conveying and loading a shell into a fixed gun, the system including an autonomous conveyance device configured to autonomously travel and move according to an autonomous driving program from a shell storage location to a fixed gun fixed to a gun mount that is a destination, an automatic loading device configured to hold a testing shell and automatically load the testing shell into a cartridge chamber of the fixed gun, and a shell lifting device mounted on an upper surface of the autonomous conveyance device and a lower surface of the automatic loading device and configured to move the automatic loading device upward or downward. According to the present invention, a process of conveying and loading the shell into the testing fixed gun may be autonomously performed in an unmanned manner.

Abstract: The present disclosure relates to an integrated housing capable of integrally connecting several components of a water supply module, and the water supply module including same. According to the present disclosure, hoses or pipes are removed or a pipe length is reduced through the integration of components constituting a cooling system, and thus a reduction in size and weight can be promoted.

Abstract: The present invention relates to a method for dipping an adhesive material, and the method for dipping an adhesive material includes dipping an adhesive material onto a first dipping stamp, transferring the adhesive material, which is dipped onto the first dipping stamp, to a target substrate, and transferring a device to the target substrate, to which the adhesive material is transferred.

Abstract: A heat pump system for a vehicle cools or heats the vehicle interior by using a natural refrigerant, and efficiently adjusts the temperature of a battery module by using a single chiller that exchanges heat between refrigerant and coolant.

Abstract: A mixed refrigerant composition includes carbon dioxide (R-744), 2,3,3,3-tetrafluoropropene (R-1234yf) and 1,1-difluoroethane (R-152a). A content of the carbon dioxide (R-744) ranges from 1 to 10 wt. % based on a total weight of the mixed refrigerant composition, and a content of the 2,3,3,3-tetrafluoropropene (R-1234yf) ranges from 65 to 95 wt. % based on the total weight of the mixed refrigerant composition, and a content of the 1,1-difluoroethane (R-152a) ranges from 1 to 30 wt. % based on the total weight of the mixed refrigerant composition. A boiling point at 1 atm of the mixed refrigerant composition ranges from ?65 to ?30° C.

Abstract: A mixed refrigerant composition includes carbon dioxide (R-744), 2,3,3,3-tetrafluoropropene (R-1234yf) and trifluoroiodomethane (R-13I1). A content of the carbon dioxide (R-744) ranges from 1 to 10 wt. % based on a total weight of the mixed refrigerant composition, and a sum of a content of the 2,3,3,3-tetrafluoropropene (R-1234yf) and a content of the trifluoroiodomethane (R-13I1) ranges from 90 to 99 wt. % based on the total weight of the mixed refrigerant composition. A boiling point at 1 atm of the mixed refrigerant composition ranges from ?76 to ?35° C.

Abstract: A binder includes composite particles with a polytetrafluoroethylene structure coated with an acrylic polymer. The binder can be for a lithium secondary battery according to one embodiment of the present invention, and not only can solve problems such as agglomeration that can occur when handling conventional binders, but also has excellent physical properties such as low thickness deviation and high tensile strength when manufacturing electrodes. In addition, a battery with these electrodes has improved performance, such as improved capacity retention rate.

Abstract: Provided are an electro-optical device, a laser device, and an electro-optical dual-comb generator. The electro-optical device includes a waveguide configured to generate a dispersive wave of which a center wavelength is different from a center wavelength of the incident wave of the waveguide, and a wavelength modulator disposed along the waveguide and configured to absorb the incident wave propagating through the waveguide, wherein, as the wavelength modulator absorbs the incident wave, the center wavelength of the dispersive wave changes.

Abstract: Provided is a method of manufacturing an ethylene-acrylic acid copolymer including the step of (S1) supplying an ethylene monomer and an acrylic acid comonomer to a polymerization reactor to manufacture an ethylene-acrylic acid copolymer; (S2) supplying an acrylic acid comonomer-containing mixture discharged from a front or rear end of the polymerization reactor and a cleaning solvent to a cleaning unit; and (S3) dissolving an polyacrylic acid derived from the acrylic acid comonomer contained in the mixture in the cleaning solvent. The cleaning solvent includes a polyhydric alcohol-based solvent.

Abstract: Disclosed is a battery management apparatus capable of effectively reducing the current consumption of a component for waking up a microcontroller unit. The battery management apparatus includes a wake-up unit, a first power supply path, a first regulator, a first switching element, a feedback module, and a microcontroller unit configured to convert a sleep mode to a wake-up mode by receiving a wake-up signal from the wake-up unit and connected to the feedback module to turn off the first switching element.

Abstract: Disclosed is an electronic device that operates based on a cloud server including a biometric sensor, a database that stores identification information on at least one of the biometric sensor, a user, and the electronic device and biometric information registered by the biometric sensor, and at least one processor, wherein the processor receives an authentication request of an authentication server through the cloud server, acquires biometric information of a user through the biometric sensor in response to the authentication request being received, determines whether the acquired biometric information corresponds to biometric information stored in the database, generates a response value including information on a result of the determining, and transmits the response value and the identification information to the cloud server, and the response value is transmitted to the authentication server when the transmitted identification information matches at least one of identification information stored in the clo

Abstract: Provided are a device for a digital assay of targets according to an exemplary embodiment of the present disclosure and a method using the same. The digital assay method of targets according to the exemplary embodiment of the present disclosure includes acquiring an image for a plurality of microdroplets, predicting at least one region based on the image for the plurality of microdroplets using an artificial neural network-based prediction model configured to segment at least one region among positive microdroplets, negative microdroplets, and atypical microdroplets, with the image for the plurality of microdroplets as an input, determining a number for the plurality of microdroplets based on the at least one region, and providing quantitative data of targets based on the number for the plurality of microdroplets.

Abstract: An electrochemical cell includes an electrode assembly including a plurality of electrodes; an exterior material including an accommodating part that accommodates the electrode assembly and a ealing part that seals the electrode assembly by bonding sealing surfaces along edges of the accommodating part; and an electrode lead connected to the electrode assembly and extended to be exposed to an outside, wherein the accommodating part includes a concavo-convex pattern extended in on one direction and disposed in a direction intersecting with the one direction, and at least a part of the concavo-convex pattern includes an adjacent portion that forms a boundary line in contact with the sealing part at an end portion in the one direction.

Abstract: Provided is a fiber composite structure including a plurality of twisted fiber bundles, wherein each of the fiber bundles includes a plurality of fiber strands, an adhesive coated on the fiber strands, and a functional particle interposed between the fiber strands. The functional particle includes a material different from that of the fiber strands. The adhesive includes polydopamine.

Abstract: Provided is a polydopamine composite material according to the concept of the present invention, wherein the polydopamine composite material includes a substrate with first nano-protrusions formed on a surface thereof, and a polydopamine layer on the surface of the substrate. The polydopamine layer includes second nano-protrusions protruding in a direction perpendicular to the surface of the substrate.

Abstract: A LiDAR device including a emitting unit configured to emit a laser, a detecting unit configured to detect the laser, and a controller configured to control the emitting unit and the detecting unit, wherein the controller is configured to operate the LiDAR device at in at least a first operation mode or a second operation mode in which power consumption per unit time is lower than that of the first operation mode, and wherein the controller is configured to switch an operation mode of the LiDAR device from the first operation mode to the second operation mode when the controller receives a first trigger signal from a first device, and switch the operation mode of the LiDAR device from the second operation mode to the first operation mode when the controller receives a second trigger signal from the first device.

Abstract: An embodiment power conversion device for electric vehicles includes a battery, a relay circuit connected to a charging/discharging outlet through first power lines, a power factor correction circuit connected to the relay circuit through second power lines between the relay circuit and the battery, a discharging outlet connected to branch lines branched from each of the second power lines, and a controller configured to control the relay circuit and the power factor correction circuit such that power from the battery is supplied to a load using asymmetric power or to a load using symmetric power connected to the discharging outlet.

Abstract: A semiconductor memory device includes a substrate, a mold structure including a plurality of gate electrodes and a plurality of mold insulating films alternately stacked on the substrate, a channel structure extending in a first direction and penetrating the mold structure, the channel structure including a semiconductor pattern and a ferroelectric film between the semiconductor pattern and the plurality of gate electrodes, a channel pad on the channel structure, and a bit line contact connected to the channel pad, wherein an uppermost part of the ferroelectric film protrudes beyond an uppermost gate electrode among the plurality of gate electrodes, the channel pad includes a first portion in contact with the semiconductor pattern and a second portion in contact with the first portion and the bit line contact, the first portion has a first width, and the second portion has a second width greater than the first width.

Abstract: A plasma generating apparatus according to an embodiment of the present invention comprises: a pair of electrodes arranged in a dielectric discharge tube; an initial discharge induction coil module; and a main discharge induction coil module. The initial discharge induction coil module and the main discharge induction coil module are connected to an RF power source, and the RF power source provides RF power having different resonance frequencies to the initial discharge induction coil module and the main discharge induction coil module, respectively.