Abstract: A method for preparing a catalyst composition for preparing a catalyst composition having improved catalyst activity by pre-treating a hydrogen-bonded lanthanide rare earth element compound and/or an oligomer type of a lanthanide rare earth element compound of Formula 1, which induce the deterioration of the catalyst activity, and a method for preparing a conjugated diene-based polymer using the catalyst composition prepared thereby are described, wherein all the variables are described herein.

Abstract: A ventilation and heating apparatus for a child seat is provided. A ventilation mat with an embedded heating wire is mounted on a body of the child seat, so ventilation air is discharged toward a child's body through the ventilation mat in summer or when ventilation is required, and heating wire embedded in the ventilation mat is driven in winter, thus providing a comfortable seating environment for a child sitting on the child seat, and improving the sitting comfort of a child.

Abstract: Provided are a method for preparing a catalyst composition for preparing a catalyst composition having improved catalyst activity by pre-treating a hydrogen-bonded lanthanide rare earth element compound and/or an oligomer type of a lanthanide rare earth element compound of Formula 1, which induce the deterioration of the catalyst activity, and a method for preparing a conjugated diene-based polymer using the catalyst composition prepared thereby, wherein all the variables are described herein.

Abstract: The present invention pertains to a method for producing terephthalic acid in an eco-friendly manner using waste polyester. Specifically, according to an embodiment of the present invention, the method for producing terephthalic acid comprises the steps of: (1) subjecting waste polyester to alcoholysis using a C4 or higher alcohol to produce a liquid composition containing a compound represented by formula 1; and (2) subjecting the liquid composition to hydrolysis, and thus can produce terephthalic acid in an eco-friendly manner, as well as improve processability and reduce process costs.

Abstract: An aerosol generating device includes a main body including a semi-exterior portion having an accommodation space into which a cigarette is inserted, a cartridge detachably coupled to the semi-exterior portion, an antenna arranged on a surface of the semi-exterior portion to face a surface of the cartridge, a sensor configured to sense a capacitance of the antenna, and a controller electrically connected to the sensor. The controller is configured to determine, based on the capacitance, a residual quantity of an aerosol generating material in the cartridge and whether or not the cartridge is detached.

Abstract: A display device includes: a substrate having a first display area and a second display area. A first pixel circuit portion is disposed on the substrate. A first emitting diode includes a first pixel electrode connected to the first pixel circuit portion. A second pixel circuit portion is disposed on a second display area of the substrate. An extension wire is connected to the second pixel circuit portion. A second emitting diode includes a second pixel electrode connected to the extension wire, and a driving circuit portion is connected to the first pixel circuit portion and the second pixel circuit portion, and overlaps the second emitting diode. The extension wire is disposed in a different layer from the second pixel electrode.

Abstract: This application relates to an information output device using a unit block module. Due to the use of the unit block module, apparatus of various sizes may be simply constructed and/or designed, durability and user convenience may be improved, waterproof properties are provided, power consumption is minimized, and an operation error of a driving module may be minimized. And, when a pin is driven down, the pin may be driven down more easily by the attraction of a magnetic material and a magnetic member.

Abstract: An aerosol generating device includes a housing including an accommodation space, a cartridge detachably coupled to the accommodation space of the housing, and including a storage, in which an aerosol generating material is stored, and an atomizer configured to vaporize the aerosol generating material, a sensor arranged in a portion adjacent to the accommodation space of the housing and configured to detect capacitance of the storage, a cover arranged between the cartridge and the sensor and configured to protect the sensor, and a processor electrically connected to the sensor, wherein the processor is configured to detect a remaining amount of the aerosol generating material stored in the storage, based on the capacitance of the storage detected by the sensor.

Abstract: The present invention relates to a method for preparing terephthalic acid, and terephthalic acid prepared therefrom. Specifically, according to one embodiment of the present invention, by including the step of hydrolyzing a compound prepared by depolymerizing a waste polyester using a specific hydrolysis catalyst, terephthalic acid can be prepared in an environmentally friendly manner, and high purity terephthalic acid can be provided.

Abstract: A method of manufacturing a cartridge includes plasma-treating at least a portion of a region of a storage of a cartridge, applying an adhesive to the region of the storage which is plasma-treated, and sealing the storage by coupling a cover to the region of the storage to which the adhesive is applied.

Abstract: An aerosol generating device includes a vaporizer configured to generate aerosol from an aerosol generating material, a medium accommodating portion in which a medium through which the aerosol generated by the vaporizer passes is accommodated, a path through which the aerosol generated by the vaporizer flows, and a chamber located between the path and the medium accommodating portion, having an inner diameter greater than an inner diameter of the path, and configured to deliver the aerosol supplied from the path to the medium accommodating portion.

Abstract: An aerosol generating device includes a case including an accommodation space to accommodate an aerosol generating article and configured to accommodate at least one electronic component, a heater arranged in the accommodation space and configured to heat the aerosol generating article accommodated in the accommodation space, a cartridge detachably coupled to the case and including a storage which stores an aerosol generating material, and a vaporizer configured to receive and heat the aerosol generating material, wherein the case includes a vent formed between the accommodation space and the cartridge, and configured to be through which air heated by the heat generated from the heater or the vaporizer passes.

Abstract: A pouch for an aerosol generating device includes a liquid composition that generates an aerosol when heated, and a water-soluble film surrounding the liquid composition.

Abstract: A vaporizer for an aerosol generating device includes a storage unit storing an aerosol generating material, and a heating chamber configured to heat the aerosol generating material, wherein the heating chamber includes a wick extending in a longitudinal direction and configured to absorb the aerosol generating material, a coil wound around the wick and configured to heat the aerosol generating material absorbed into the wick, and an accommodation portion configured to accommodate the wick, a diameter of wire of the coil is 0.15 mm to 0.2 mm, the number of turns of the coil is 6 times to 9 times, and an ohmic loss in the coil is less than 8 watts (W).

Abstract: Provided is a vaporizer including a storage for storing an aerosol generating material, a generator configured to generate an aerosol from the aerosol generating material, and an accommodating unit including a chamber configured to accommodate the generator, and an inlet configured to introduce air into the chamber, wherein the accommodating unit includes a plurality of walls surrounding the chamber, and at least some of the plurality of walls include an inclined surface.

Abstract: A water-cooled heat dissipation module assembly capable of cooling a power module of a vehicle driving inverter system using a battery or fuel cell. The water-cooled heat dissipation module assembly includes a housing unit provided in the form of a housing having an opening portion at least partially opened at one side thereof. The housing unit and at least a part of a rim region of the cooling unit are made of a plastic material, and the housing unit and the cooling unit are joined to each other by plastic welding using a laser.

Abstract: A method for performing sidelink groupcast transmission by a transmission terminal includes the steps of: classifying reception terminals belonging to a subject group into two or more subgroups; allocating different groupcast feedback schemes to the two or more subgroups; performing groupcast transmission to the reception terminals; and receiving feedback information from terminals belonging to at least one subgroup among the two or more subgroups according to the different groupcast feedback schemes.

Abstract: Provided is a secondary battery reel storage rack to which a secondary battery reel is loaded for storage, the secondary battery reel storage rack including: a loading column perpendicular to the ground; a cantilever protruding parallel to the ground from one side surface of the loading column to support the loaded secondary battery reel; and a cover provided below the cantilever.

Abstract: A method of preparing 3(4),8(9)-bisformyltricyclo[5.2.1.02,6]decane is provided. According to the present invention, 3(4),8(9)-bisformyltricyclo[5.2.1.02,6]decane (TCDDA) may be prepared with a high conversion rate and purity without a separate catalyst recovery process.

Abstract: Disclosed is a method for configuring a bandwidth for supporting a broadband carrier in a communication system. An operation method of a base station comprises the steps of: configuring a first bandwidth part and a second bandwidth part for a terminal; configuring a reserved resource for the first bandwidth part in a resource area in which the first bandwidth part and the second bandwidth part overlap; and performing an operation of transmitting or receiving a second data channel, which is scheduled to the second bandwidth part, together with the terminal by using the reserved resource. Therefore, the performance of the communication system can be improved.