Abstract: A battery charging device includes: a bidirectional charger having a charge and discharge port and a discharge port and connected to a battery, wherein the bidirectional charger includes a power factor correction circuit having first, second, and third legs; and a controller. The controller is configured to switch the first and third legs so that the bidirectional charger outputs a power of the battery to the charge and discharge port when a first battery discharge mode is performed, and to switch the second and third legs so that the bidirectional charger outputs the power of the battery to the discharge port when a second battery discharge mode is performed.

Abstract: A virtual machine placement system for placing a plurality of virtual machines on a first physical server and a second physical server in order to efficiently operate a physical server in which the plurality of virtual machines are installed is provided. The physical server includes the first physical server and the second physical server. The virtual machine placement system includes a workload calculation module; a prediction module; a temperature prediction module; a schedule module; and a migration module. The schedule module calculates a placement schedule considering a predicted temperature of the physical server.

Abstract: A light-water reactor nuclear fuel rod loading apparatus, which comprises a spacer grid holder and a loading power device installed with a traction module configured to reciprocally move toward the spacer grid holder. The loading apparatus further comprises a hollow cladding tube sample and a pulling bar comprising one end part and an opposite end part. The one end part passing in use through a cell of a spacer grid held by the spacer grid holder and configured to couple to the hollow cladding tube sample. The opposite end part is coupled to the traction module. The loading apparatus further comprises: a measuring device installed on the pulling bar and configured to measure loading force of the traction module loading the pulling bar; a holder cap; and a holder comprising an end part configured to in use pass through the cladding tube sample and couple to the holder cap.

Abstract: Disclosed is a system for managing a vehicle battery that is chargeable/dischargeable and stores energy for driving a vehicle driving motor. The system for managing the vehicle battery as disclosed includes a controller that measures a polarization voltage of each of a plurality of battery cells in a vehicle battery after charging of the vehicle battery is terminated, and determines whether each of the plurality of battery cells is abnormal based on the measured polarization voltage.

Abstract: Disclosed is a substrate processing apparatus in which weight of a buffer module may be reduced compared to the apparatus in the related art.

Abstract: A light measuring device includes: a first lens; a first variable opening located in a first direction from the first lens at a predetermined distance; a second lens located in the first direction from the first variable opening at a predetermined distance; a second variable opening located in the first direction from the second lens; a third lens located in the first direction from the second variable opening; and a light receiving unit located in the first direction from the third lens at a predetermined distance, wherein a diameter of the first variable opening and a diameter of the second variable opening are independently adjusted.

Abstract: Disclosed is a hybrid system in which a solid oxide electrolyzer cell (SOE), a solid oxide fuel cell (SOFC), and a carbon capture system (CCS) are coupled to each other, and more particularly to an SOE-SOFC-CCS hybrid system configured such that a solid oxide electrolyzer cell, a solid oxide fuel cell including a burner configured to burn off-gas, and a carbon capture system are systematically operated and such that by-products and waste heat generated as the result of operation thereof are recycled, whereby consumption of hydrogen and a fuel necessary for power production is minimized.

Abstract: Provided is a drop-type drug tube. The drop-type drug tube includes a body part which defines an outer appearance and in which a drug is accommodated, and a cover part integrated with the body part and provided to be removed when the drug is used. The body part includes a drug accommodation part having an internal space to accommodate the drug, a body support part provided to extend to the outside of the drug accommodation part, an upper insertion part inclinedly extending upward from the drug accommodation part and the body support part so as to be away from the cover part, and a lower insertion part provided to face the upper insertion part and inclinedly extending downward from the drug accommodation part and the body support part so as to be away from the cover part.

Abstract: A method for detecting a mobile malicious application based on an implementation feature in a mobile malicious application detection apparatus based on an implementation feature and the method comprises decompiling a labeled application to remove preset information; extracting abstract syntax tree (AST) that is an implementation feature for each method; generating an AST node list; generating and vectorizing the generated AST node list as a learning dataset for deep learning; generating a classification model by learning a vectorized learning dataset; and outputting a classification result of a target application based on the classification model. This can reduce the false positive rate, extract many features from the obfuscated application, and detect malicious applications by classifying mobile applications as normal or malicious behaviors based on the behaviors performed by the application.

Abstract: A ceiling storage system includes a first support rail and a second support rail that extend in a first direction; a first driving rail that extends in the first direction and is parallel to the first support rail and the second support rail; a second driving rail movably coupled to the first support rail, the second support rail, and the first driving rail, where the second driving rail is configured to move along the first support rail, the second support rail, and the first driving rail; a transfer vehicle movably coupled to the second driving rail and configured to move along the second driving rail; and a connection device that connects the first driving rail and the second driving rail to each other, where the connection device and the second driving rail are rotatable around a first axis that is parallel to the first direction.

Abstract: A lithium complex oxide and method of manufacturing the same, more particularly, a lithium complex oxide effective in improving the characteristics of capacity, resistance, and lifetime with reduced residual lithium and with different interplanar distances of crystalline structure between a primary particle locating in an internal part of secondary particle and a primary particle locating on the surface part of the secondary particle, and a method of preparing the same.

Abstract: A vehicle battery charging system includes a main battery, an auxiliary battery, an integrated converter that includes a high voltage charging device that supplies power to the main battery and a low voltage charging device that supplies power to the auxiliary battery, a solar cell that converts sunlight into electrical energy, a solar cell converter that converts an output of the solar cell into a voltage corresponding to a voltage of the auxiliary battery and outputs the converted voltage to the auxiliary battery, and a switching device that switches between the integrated converter and external power and the integrated converter and the solar cell, wherein the switching device connects the integrated converter and the solar cell in a solar cell only charging mode in which the auxiliary battery is charged by the solar cell.

Abstract: An antenna package according to an embodiment of the present invention includes a printed circuit board, a rear antenna unit disposed at an upper portion of the printed circuit board. The rear antenna unit may be directly mounted on the printed circuit board or integrated with the printed circuit board, and a front antenna unit disposed at a bottom side of the printed circuit board and electrically connected to the printed circuit board. The rear antenna unit and the front antenna unit are packaged using the printed circuit board to improve a radiation coverage and reliability.

Abstract: Provided are a control unit that predicts the life of an inkjet head unit and maximizes its life to be used, and a substrate treating apparatus including the same. The control unit performs maintenance of an inkjet head unit for discharging a substrate treatment liquid onto a substrate and comprises a count module for counting the number of discharges for each nozzle of the inkjet head unit, a comparison module for comparing the number of discharges with a reference value to determine whether the number of discharges is equal to or greater than the reference value, and an evaluation module for evaluating whether a life of the inkjet head unit has reached a usable life based on whether the number of discharges of each nozzle is equal to or greater than the reference value.

Abstract: A substrate processing apparatus includes: a nozzle unit configured to discharge a processing liquid to a substrate; a pipe connected to the nozzle unit and a processing liquid supply unit supplying the processing liquid; a charge amount control unit disposed at the pipe, including a filter unit charged with positive charges or negative charges, and including at least one of a control valve, controlling a flow rate of the processing liquid passing through an inside of the filter unit, and a power supply unit, applying a voltage to the filter unit, to control a charge amount of the processing liquid; and a control unit connected to the charge amount control unit.

Abstract: Embodiments of the present disclosure relate to a quantum device including moderate fluorinated graphene and a method for fabricating the same. According to an exemplary embodiment of the present disclosure, there is provided a quantum device including moderate fluorinated graphene, the quantum device including a substrate, a first insulating layer located on the substrate, a graphene layer located on the first insulating layer, and a second insulating layer located on the graphene layer and covering a third region excluding a first region and second region on both sides of the graphene layer, in which the first region and second region of the graphene layer are formed of moderate fluorinated graphene, and a metal layer is formed on the first region and the second region, and the metal layer makes contact at some locations on the moderate fluorinated graphene.

Abstract: There is provided a binder for a secondary battery anode, in which double-bond functional groups are selectively formed in a fluorine-based polymer by using an organic catalyst, and a cross-linked structure can be formed by the double bonds through only an electrode drying process without the introduction of a heterogeneous additive.

Abstract: A display device is provided. The display device includes a first substrate, a first charge trap layer disposed on the first substrate and including silicon nitride, a semiconductor layer disposed on the first charge trap layer and including a first active layer of a first transistor and a second active layer of a second transistor, and an organic light emitting element electrically connected to the first transistor, wherein a ratio of a content of a Si element to a content of an N element in the first charge trap layer is in a range of 1.6 to 2.5.

Abstract: The present disclosure relates to a heterocyclic compound represented by Chemical Formula 1, an organic light emitting device including the same, and a composition for an organic material layer: in Chemical Formula 1, each substituent has the same definition as described in the detailed description.