Abstract: Provided are a pharmaceutical composition for preventing or treating a central nervous system disease including, as an active ingredient, cord blood or cord blood-derived cells expressing or secreting pericentrin (PCNT), a composition or kit for diagnosing a central nervous system disease including an agent for measuring a level of PCNT protein, a method of analyzing information required for diagnosing a central nervous system disease using PCNT protein, and a method of screening a candidate substance for a therapeutic agent to treat a central nervous system disease. By using the composition including cord blood or cord blood-derived cells expressing or secreting PCNT, central nervous system diseases may be efficiently prevented or treated. Furthermore, the PCNT protein may be used as a target for diagnosing a central nervous system disease at an early stage and for developing a therapeutic agent for a central nervous system disease.

Abstract: Provided is a secondary battery comprising: an electrode assembly; a battery case which accommodates the electrode assembly; a first electrolyte which is accommodated in the battery case and primarily impregnates the electrode assembly; and a reinforcement electrolyte member which comprises a packaging material and a second electrolyte, wherein the packaging material is accommodated in the battery case and provided with an oxidation part which is oxidized and decomposed at a set voltage, and the second electrolyte is stored in the packaging material, released to the outside of the packaging material due to the decomposition of the oxidation part, and secondarily impregnates the electrode assembly.

Abstract: A fluid silencer includes: an expansion pipe disposed on a pipe through which a fluid containing noise sources flows and having an accommodation space therein; a viscous fluid received in the accommodation space; a noise introducing member disposed between the pipe and the expansion pipe to seal the accommodation space and allowing the noise sources to be introduced into the accommodation space therethrough; at least one partition member disposed in the accommodation space and dividing the accommodation space in a flow direction of the fluid; multiple baffle members disposed on one surface of the partition member and forming multiple sound absorbing spaces into which the noise sources introduced into the accommodation space are dispersedly introduced; and an elastic member disposed between the partition member and the baffle members and contracted/expanded by the viscous fluid entering/leaving the sound absorbing spaces as the noise sources are introduced into the sound absorbing spaces.

Abstract: The present disclosure relates to a method and system therefor for providing a community service, such as a messenger, an SNS, and a metaverse in a virtual reality space where a physical range is defined by a Bluetooth beacon and, specifically, to the method and system for providing the service to allow a user terminal having received this, based on a range which this packet may reach, to use the community service through a wide area network within a variable yet clearly bounded physical space (Higgsverse), allowing the beacon to broadcast an arbitrary packet by utilizing a Bluetooth network. This makes it possible to physically interact with actual objects that exist within a space in which one currently exists.

Abstract: A semiconductor device includes a semiconductor substrate having first and second regions therein, a first lower semiconductor pattern, which protrudes from the semiconductor substrate in the first region and extends in a first direction across the semiconductor substrate, and a first gate electrode, which extends across the first lower semiconductor pattern and the semiconductor substrate in a second direction. A plurality of semiconductor sheet patterns are provided, which are spaced apart from each other in a third direction to thereby define a vertical stack of semiconductor sheet patterns, on the first lower semiconductor pattern. A first gate insulating film is provided, which separates the plurality of semiconductor sheet patterns from the first gate electrode. A second lower semiconductor pattern is provided, which protrudes from the semiconductor substrate in the second region. A plurality of wire patterns are provided, which are spaced apart from each other on the second lower semiconductor pattern.

Abstract: Provided is a secondary battery comprising: an electrode assembly; a battery case which accommodates the electrode assembly; a first electrolyte which is accommodated in the battery case and primarily impregnates the electrode assembly; and a reinforcement electrolyte member which comprises a packaging material and a second electrolyte, wherein the packaging material is accommodated in the battery case and provided with an oxidation part which is oxidized and decomposed at a set voltage, and the second electrolyte is stored in the packaging material, released to the outside of the packaging material due to the decomposition of the oxidation part, and secondarily impregnates the electrode assembly.

Abstract: The provided is an ultra-wideband electromagnetic wave absorber having a hexagonal double layer structure, and in the ultra-wideband electromagnetic wave absorber, the first conductive pattern disposed on the top of the first dielectric layer and the second conductive pattern disposed on the top of the second dielectric layer are arranged in an up-down double layer structure, thereby expanding the electromagnetic wave absorption bandwidth, and even when applied to a corner or a curved structure forming 60° or 120° by hexagonal unit cells, the unit cells can be periodically arranged at the same interval. In addition, since dielectrics with a difference of less than 10% in dielectric constant in a vacuum state have a relatively low specific gravity, the overall weight can be made very light by using such dielectrics in the first dielectric layer and the second dielectric layer.

Abstract: A method for the clustering and identification of animals in acquired images based on physical traits is provided, where a trait feature is a scalar or vector quantity that is a property of a trait and trait distance is a measure of discrepancy between the same trait features of two animals, and also introduced are several different ways of implementing clustering using trait features.

Abstract: Methods and systems for providing contents may be provided. A method of providing contents may include specifying contents to be serialized on a specific day of a week, among a plurality of contents each serialized with reference to a day of the week, calculating a popularity ranking for each of the specified contents, selecting, using the popularity ranking, a ranking-boosting content satisfying a ranking condition among the specified contents, and providing, on a user terminal, items corresponding to each of the specified contents, wherein the providing includes displaying ranking-boosting information related to ranking-boosting on an item corresponding to the ranking-boosting content, among the items corresponding to each of the specified contents. Accordingly, information on contents that is serialized with respect to a specific day of the week may be more effectively provided.

Abstract: A battery control apparatuses may include a measuring unit for measuring a voltage of a battery, a memory for storing a multi-stage charging protocol data, and a processor for identifying a SOC of the battery based on the voltage measurement value. The processor may perform a temporary discharging procedure, when the SOC of the battery reaches the first criterion SOC while the constant current charging procedure using the first current rate is in progress. The processor may also determine an adjusted second current rate different from the second current rate based on discharging information of the temporary discharging procedure and, after the temporary discharging procedure is finished, perform a constant current charging procedure using the adjusted second current rate.

Abstract: According to the present invention, a drone control system includes: a flying drone; a cloud server configured to transmit and receive information to and from the drone by wireless communication; and a ground control system configured to establish a flight plan of the drone by connecting the drone and the cloud server by the wireless communication.

Abstract: Discussed is a method for managing a battery that includes a plurality of battery cells, the method including a reference charging power limit setting operation of setting a referential predetermined charging power limit, and a real-time charging power limit setting operation of calculating a real-time charging power limit in real-time according to a real-time voltage of the battery and setting a real-time charging power limit of the battery. The real-time voltage of the battery is determined based on a voltage of one battery cell among the plurality of battery cells.

Abstract: A semiconductor device includes; an active pattern on a substrate, gate structures in which each gate structure includes a gate electrode intersecting the active pattern and a gate capping pattern on the gate electrode, a source/drain pattern disposed on the active pattern between adjacent gate structures, a lower active contact connected to the source/drain pattern, an etching stop film extending along an upper surface of the lower active contact without contacting an upper surface of the gate capping pattern, and an upper active contact connected to the lower active contact, wherein a bottom surface of the upper active contact is lower than the upper surface of the gate capping pattern.

Abstract: Discussed is a method for managing a battery that includes a plurality of battery cells, the method being part of a control strategy programmed into a module battery management system (MBMS), the method includes a reference discharging power limit setting operation, via the MBMS, of setting a referential predetermined discharging power limit, a real-time discharging power limit setting operation, via the MBMS, of setting a real-time discharging power limit of the battery by reducing the reference predetermined discharging power limit according to a real-time voltage of the battery.

Abstract: The present invention relates to a method and system for providing a community service by utilizing short-range broadcasting, and specifically, to a community service providing method and a system for the same, which allow devices to broadcast arbitrary packets using a Bluetooth network, and allow devices receiving the packets to use the community service through a wide area network.

Abstract: An apparatus includes a base including a receiving portion that receives a substrate on which semiconductor elements are disposed; and at least one ultrasonic generator that generates and applies ultrasonic waves to the substrate placed in the base.

Abstract: A semiconductor device includes; an active pattern on a substrate, gate structures in which each gate structure includes a gate electrode intersecting the active pattern and a gate capping pattern on the gate electrode, a source/drain pattern disposed on the active pattern between adjacent gate structures, a lower active contact connected to the source/drain pattern, an etching stop film extending along an upper surface of the lower active contact without contacting an upper surface of the gate capping pattern, and an upper active contact connected to the lower active contact, wherein a bottom surface of the upper active contact is lower than the upper surface of the gate capping pattern.

Abstract: The present invention relates to a method and system for providing an IoT community service using a beacon, and specifically, to a service providing method and system, which allows the beacon to broadcast an arbitrary packet using a Bluetooth network, and allows a user terminal receiving the packet to use the community service through a wide area network.

Abstract: A sound wave delivery structure of the present invention comprises unit structure cells each formed to have a cubic shape and comprising a column portion formed on a region corresponding to sides, and a space portion formed in an internal region surrounded by the column portion. There are a plurality of unit structure cells which are successively arranged in a first direction, in which sound waves are delivered, and a second direction crossing the first direction.

Abstract: A method for setting a charging power limit of a battery when charging the battery, according to an embodiment of the present invention, may include a reference charging power limit setting step in which a referential predetermined charging power limit is set, a real-time charging power limit calculation step in which a real-time charging power limit is calculated in real time according to a current voltage of the battery, a real-time charging power limit setting step in which a charging power limit of the battery is set to the real-time charging power limit calculated in the real-time charging power limit calculation step, and a charging power limit restoring step in which the real-time charging power limit set in the real-time charging power limit setting step is restored to the referential predetermined charging power limit.