Abstract: A power conversion device for controlling a DC voltage of a DC link may comprise a first diode, a second diode, a first switching element, a second switching element, a third switching element, and a fourth switching element, wherein: a cathode terminal of the first diode is connected to a positive terminal of the DC link; an anode terminal of the first diode is connected to one end of the first switching element and one end of the third switching element; the other end of the first switching element is connected to an alternating current terminal and one end of the second switching element; the other end of the second switching element is connected to one end of the second diode and one end of the fourth switching element; the other end of the second diode is connected to a negative terminal of the DC link.

Abstract: There is provided a battery module, in which a relatively wide contact area between an end plate and a lifting device may be secured when the battery module is elevated, the rigidity of the end plate may be sufficiently secured when the battery module is elevated, while forming a relatively thin end plate. The battery module includes a cell stack provided by stacking a plurality of battery cells, a module case accommodating the cell stack, an end plate disposed on front side and rear side of the module case, and a lifting support portion disposed on the end plate and having a support surface in surface contact with a lifting device.

Abstract: A method and an apparatus for allocating a flexible transmission slot in a wireless local area network (LAN) system are disclosed. A flexible transmission slot allocation method of an access point (AP) in a wireless local area network (WLAN) system according to an exemplary embodiment includes transmitting a beacon including a traffic indication map (TIM) bit to a station, receiving a power save poll (PS-Poll) from the station in a slot implicitly allocated by the TIM bit, and transmitting an acknowledgement (ACK) including transmission slot allocation information on downlink data to the station.

Abstract: Embodiments relate to methods and systems for managing digital assets. The method includes receiving, from a user, and processing a request to receive digital assets. The processing includes determining a fiat amount based on the digital assets. The processing includes recording, in a distributed ledger, the digital asset issuance to user. The processing includes depositing, with a main bank, the fiat amount received from user. The method includes receiving, from user, and processing a request to deposit digital assets. The processing includes determining a second fiat amount based on the digital assets. The processing includes generating, in the distributed ledger, first and second records. First record represents a deposit of digital assets with a designated bank. Second record represents a transfer of digital assets from the designated bank to the main bank in exchange for deposit of the second fiat amount by the main bank with the designated bank.

Abstract: A charging control device of an electric vehicle and a method thereof may include requesting a charging required current from a charger in a state in which power line communication (PLC) with the charger is established, detecting a round trip time required to receive a response to the request, and adjusting a switching period of a multi-inverter based on the round trip time such that the PLC with the charger is prevented from being interrupted in a process of charging a battery of the electric vehicle.

Abstract: The present invention relates to a method capable of recognizing disease-related factors included in document data and extracting relations between the disease-related factors.

Abstract: Provided are a wireless charging and communication board, and a wireless charging and communication device, the wireless charging and communication board including: a soft magnetic layer; a polymeric material layer arranged on one surface and the other surface of the soft magnetic layer and extending longer than an exposed portion of the soft magnetic layer; and a coil pattern arranged on the polymeric material layer.

Abstract: Disclosed is an integrated biochemical sensor including a reference electrode, a plurality of working electrodes each having different artificial lipid membranes, and partition layers for electrically insulating the reference electrode and each of the working electrodes.

Abstract: There are provided a semiconductor device and a manufacturing method of the semiconductor device. The semiconductor device includes: a gate structure including conductive layers and insulating layers, which are alternately stacked; a plurality of channel structures penetrating the gate structure, the plurality of channel structures being arranged in a first direction; a plurality of cutting structures each isolating each of the plurality of channel structures, respectively, into a plurality of divided channel structures while penetrating each of the plurality of channel structures, respectively; and a plurality of interconnection lines located over the gate structure and extending in the first direction. Each of the plurality of cutting structures has substantially a cross (+) shape including extension parts extending in directions oblique to the first direction.

Abstract: The present invention provides a PEGylated IFN-? variant and a composition for preventing or treating hyperproliferative diseases, inflammatory diseases, autoimmune diseases or viral infectious diseases, the composition comprising the PEGylated IFN-? variant as an effective ingredient. The PEGylated IFN-? variant of the present invention has an excellent anti-viral efficacy, immune regulatory function and anti-cell growth efficacy by virtue of better pharmacokinetic properties compared to native IFN-? and non-PEGylated IFN-? variants, and therefore can be used usefully against various diseases. The present invention provides good patient convenience in terms of administration due to exhibition of an excellent pharmacological activity effect upon administration and a significant increase of half-life in blood over existing interferon formulations.

Abstract: Provided is a hydrophobic silica aerogel precursor, and a hydrophobic silica aerogel produced using the same. In the methods, a linear silane crosslinking agent containing a PEG-derived unit is introduced when preparing a hydrophobic aerogel precursor, resulting in the production of a hydrophobic silica aerogel having improved high-temperature thermal stability and improved physical properties.

Abstract: This disclosure provides a spray type cosmetic composition comprising hydroxypropyl starch (HPS) and polyvinylpyrrolidone (PVP). In more detail, this disclosure provides a spray-type cosmetic composition for makeup fixer, comprising HPS and PVP, which has excellent properties such as makeup maintaining ability, spraying power, and less stickiness at the same time.

Abstract: The present invention relates to a spunbond nonwoven fabric with improved opening quality and no hazardous residue, a manufacturing method thereof, and a manufacturing apparatus thereof. The method for manufacturing a spunbond nonwoven fabric according to the present invention includes a step of allowing the continuous filament bundle to collide with a metal member containing bismuth (Bi) or a bismuth alloy to obtain filaments opened by frictional charging.

Abstract: An apparatus and a method for controlling an autonomous vehicle for a minimum risk maneuver (MRM) of the autonomous vehicle are provided. A processor provided in the autonomous vehicle performs an MRM including deceleration control and stop control of the autonomous vehicle, determines whether the MRM is completed, determines whether manipulation of a user for vehicle control is not input during a specific time, based on determination that the MRM is completed, and requests a call connection from an external institution, by means of a call controller provided in the autonomous vehicle to control a call with the external institution, when the MRM is completed and when the manipulation of the user for the vehicle control is not input during the specific time. The apparatus improves safety and convenience of an autonomous driving system.

Abstract: Provided are a composition for culturing NK cells, and a method of culturing NK cells using the same. According to an aspect, in culturing NK cells from peripheral blood mononuclear cells, when NK cells are cultured in a medium including the composition for culturing NK cells, the composition including IL-15, IL-18, and IL-27, the NK cells may proliferate in large quantities and activation of NK cells may be promoted. Therefore, when the NK cells are used, cancer cell apoptosis or cancer cell-killing ability may be promoted. Accordingly, the NK cells may be used as an effective adoptive immune cell therapy product in cancer prevention or treatment.

Abstract: There is provided a battery module, in which a relatively wide contact area between an end plate and a lifting device may be secured when the battery module is elevated, the rigidity of the end plate may be sufficiently secured when the battery module is elevated, while forming a relatively thin end plate. The battery module includes a cell stack provided by stacking a plurality of battery cells, a module case accommodating the cell stack, an end plate disposed on front side and rear side of the module case, and a lifting support portion disposed on the end plate and having a support surface in surface contact with a lifting device.

Abstract: Disclosed herein is a device for measuring a plasma ion density, which includes a transceiver antenna configured to apply and receive a microwave, of which a frequency is varied, to and from plasma, and a frequency analyzer configured to analyze a frequency of the microwave received from the transceiver antenna and measure a cut-off frequency, wherein the frequency of the microwave applied to the plasma is varied in the range of 100 kHz to 500 MHz.

Abstract: A battery system includes a cell stack in which a plurality of battery cells are stacked; a module case accommodating the cell stack therein; and at least one blocking member interposed between the plurality of battery cells, wherein the blocking member is formed of a material that does not melt at 300° C. or less, and a cross-section of the blocking member is formed to have a shape in which a curve is repeated.

Abstract: A method of culturing high-purity, highly active natural killer cells of which expression of anti-cancer-related gene is regulated, and use thereof for anticancer immunotherapy are provided. In the natural killer cells, the expression of anticancer related genes is significantly increased or decreased before and after culture. The natural killer cells have the unique characteristics thereof, and remarkably high activity and proliferation fold. Therefore, the natural killer cells can be used for effective anticancer immunotherapy.

Abstract: A display apparatus comprising a driving circuit that includes a storage capacitor and at least one thin film transistor, and a light-emitting device that includes a region disposed outside the driving circuit and a region overlapping with the storage capacitor, each of capacitor electrodes of the storage capacitor being a transparent electrode having a relatively higher transmittance, so that the quality of the image realized on an outer surface of a device substrate which supports the driving circuit and the light-emitting device of each pixel area can be improved.