Abstract: An inlet duct for a vehicle battery system includes an inlet part having an inlet hole open toward a vehicle interior, outlet parts divided from the inlet part and having outlet holes so as to supply air introduced to the inlet hole to the battery system via two separated paths, and a grill provided in the inlet part by having multiple ribs forming a grid to cover the inlet hole.

Abstract: A grid voltage phase detector includes: a d-q transformation unit for receiving a three-phase signal and producing a signal on d axis and a signal on q axis; a phase signal producing unit for producing a signal for phase synchronization of grid voltage from the signal on d axis and the signal on q axis; and a PR filtering unit, with a first filter having no change in magnitude and phase at a rated frequency, a second filter introducing 90° phase lead at a rated frequency, a third filter introducing 90° phase lag, and a fourth filter having no change in magnitude and phase at a rated frequency, for removing unbalanced components and harmonic components from the signal on d axis and the signal on q axis produced by the d-q transformation unit and providing the signals to the phase signal producing unit.

Abstract: A semiconductor device includes a first element separation structure, a second element separation structure, and a third element separation structure sequentially disposed along a first direction and extending in a second direction intersecting the first direction; a first active pattern extending in the first direction between the first element separation structure and the second element separation structure; a second active pattern extending in the first direction between the second element separation structure and the third element separation structure and separated from the first active pattern by the second element separation structure; a first gate electrode extending in the second direction on the first active pattern; and a plurality of second gate electrodes extending in the second direction on the second active pattern, wherein a width of the first active pattern in the second direction is greater than a width of the second active pattern in the second direction.

Abstract: A substrate treatment apparatus according to an aspect of the present invention includes: a support plate that supports a substrate and is provided with a heater member for heating the substrate; and a cooling unit for forcedly cooling the support plate, wherein the cooling unit includes: a cooling housing to provide a cooling space; a plurality of gas feed nozzles that is arranged in the cooling housing and supplies cooling gas toward the heater member; and a plurality of gas feed lines that is directly connected to the gas feed nozzles and supplies the cooling gas transferred from the outside to the gas feed nozzles.

Abstract: Disclosed herein is an apparatus and method for detecting an emotional change through facial expression analysis. The apparatus for detecting an emotional change through facial expression analysis includes a memory having at least one program recorded thereon, and a processor configured to execute the program, wherein the program includes a camera image acquisition unit configured to acquire a moving image including at least one person, a preprocessing unit configured to extract a face image of a user from the moving image and preprocess the extracted face image, a facial expression analysis unit configured to extract a facial expression vector from the face image of the user and cumulatively store the facial expression vector, and an emotional change analysis unit configured to detect a temporal location of a sudden emotional change by analyzing an emotion signal extracted based on cumulatively stored facial expression vector values.

Abstract: An airbag device and a method for controlling deployment of the same are proposed. The airbag device is configured to protect a passenger by controlling an airbag cushion deployed toward the rear space of a seatback in an event of a vehicle collision, and the airbag device includes an airbag cushion deploying toward the rear space of the seatback, a sensor part detecting a seating status and a seating posture of a passenger with respect to each seat, and a controller, in an event of a collision, configured to change and control a deploying status of the airbag cushion and an inflation amount of the airbag cushion in response to the seating status and the seating posture of the passenger.

Abstract: An air conditioning device for a vehicle includes: a housing having an inside divided into an inflow space, a heat exchange space, and an outflow space, which are straightly arranged, and having a plurality of discharge ports, which communicates with an interior, at the inflow space; a blowing unit disposed at the inflow space of the housing and configured to blow air; a heat exchange unit disposed at the heat exchange space of the housing and configured to adjust a temperature of conditioned air by exchanging heat with air; and an opening-closing door disposed at the outflow space of the housing and configured to open and close the plurality of discharge ports such that conditioned air at an adjusted temperature selectively flows to the plurality of discharge ports. The air conditioning device adjusts the temperature of conditioned air for respective modes and reduces a flow resistance of air.

Abstract: Disclosed are a shoulder airbag and an airbag cushion thereof that are capable of restricting an occupant from being moved upward along a seatback and from being abruptly pushed in a direction away from a collision side of a vehicle when vehicle collision occurs, thereby safely protecting the occupant. The shoulder airbag includes an airbag cushion mounted in a seatback and configured to be deployed so as to cover each of the shoulders of an occupant sitting in a seat in three axis directions.

Abstract: Provided is a data transmission system using a carrier aggregation. The data transmission system may assign a radio resource based on a correspondence relationship between a downlink and an uplink, and may transmit data using the assigned radio resource.

Abstract: A cylindrical secondary battery and a manufacturing method of a secondary battery are provided. A manufacturing method of a cylindrical secondary battery includes: winding an electrode assembly to expose a first electrode uncoated portion and a second electrode uncoated portion to opposite ends in a longitudinal direction; bending at least some portions of the first electrode uncoated portion and the second electrode uncoated portion of the electrode assembly in a direction by pressing the first electrode uncoated portion and the second electrode uncoated portion; welding electrode collector plates to ends of the bent first and second electrode uncoated portions; and inserting and sealing the electrode assembly into a cylindrical case.

Abstract: A self-healing alloy contains 5 to 11% by weight of molybdenum (Mo), iron (Fe) as a remainder, and unavoidable impurities. A method for manufacturing the self-healing alloy includes heat treating the alloy or preparing an alloy raw material powder and sintering, homogenizing, and cooling the alloy raw material powder.

Abstract: Disclosed is a method of preparing a cathode active material useful in a sodium ion secondary battery having high reversible capacity and excellent cycle characteristics. The method for preparing a cathode active material composed of Zrw-doped NaxLiyMzOa includes the steps of (A) doping LiyMzOa with Zrw to provide Zrw-doped LiyMzOa; and (B) dissociating Li ion from the Zrw-doped LiyMzOa and inserting Na ion thereto to provide the Zrw-doped NaxLiyMzOa, wherein M is selected from Ti, V, Cr, Mn, Fe, Co, Ni, Mo, Ru, and combinations thereof, and wherein 0.005<w<0.05, 0.8?x?0.85, 0.09?y?0.11, 7?x/y?10, 0.7?z?0.95, and 1.95?a?2.05. When the cathode active material is used for manufacturing a cathode for a sodium ion secondary battery, the battery can substitute for a conventional, expensive lithium ion secondary battery.

Abstract: Provided is a method of analyzing microhaplotypes by using a next generation sequencing (NGS). The method of analyzing microhaplotypes by using the NGS includes: (a) performing a multiplex PCR for simultaneously amplifying the microhaplotypes; (b) performing an indexing PCR by using a product of the multiplex PCR; and (c) performing the NGS by using a product of the indexing PCR.

Abstract: According to an embodiment of the present inventive concept, an electrolyte additive represented by the compounds of Chemical Formulas 1 to 4 may be provided. In addition, according to another embodiment of the present inventive concept, a method for preparing an electrolyte additive of the compounds of Chemical Formulas 1 to 4 may be provided, wherein the method for preparing the electrolyte additive includes reacting hexafluorophosphate and 2-monofluoromalonic acid, further adding an HF scavenger to the mixed solution produced by the reaction, and concentrating and drying the reaction solution obtained therefrom.

Abstract: The present disclosure relates to an air tight door including a frame having three frame members disposed, respectively, at a first lateral side, a second lateral side, and an upper side of an opening; and a longitudinal member disposed at a lower side of the opening. The door is rotatably connected to the frame member disposed at the first lateral side of the opening so as to open and/or close the opening. A first sealing disposed at each of the three frame members closely contacts the door in a closed state; and a second sealing elevatably disposed at a lower end of the door descends from the lower end of the door to closely contact the longitudinal member in the closed state. A locking device fixes a position of the door in the closed state; and an actuating device is configured to unlock the locking device.

Abstract: The present disclosure relates to a cathode active material for a sodium ion secondary battery having high reversible capacity and excellent cycle characteristics, and a method for preparing the same. The cathode active material for a sodium ion secondary battery shows high reversible capacity and excellent cycle characteristics, when it is applied to a secondary battery. Therefore, when the cathode active material is used for manufacturing a cathode for a sodium ion secondary battery and the cathode is applied to a sodium ion secondary battery, the battery can substitute for the conventional expensive lithium ion secondary battery and can be applied to various industrial fields.

Abstract: The present invention provides a ship mooring device using a spring bellows structure, wherein the ship mooring device temporarily or permanently fixes a state in which the ship is spaced at a preset distance from a vessel or a pier, the ship mooring device including: a main body configured of a plurality of frames in which opposite ends of each of the frames are hinge-coupled to facing ends of adjacent frames to form foldable hinge joints, wherein diagonally opposed non-adjacent hinge joints of the frames are fixed to the ship and the pier, respectively; and a plurality of wires which are installed inwards in diagonal lines with respect to the frames of the main body to connect the diagonally opposed non-adjacent hinge joints together, with an elastic member interposed in a center portion of the radially disposed wires to generate predetermined dynamic stability when the ship is moved.

Abstract: The present disclosure relates to an air tight door, and the air tight door according to the present disclosure is characterized to include a frame including a first longitudinal member disposed at each of both lateral sides and an upper side of an opening, and a second longitudinal member disposed at a lower side of the opening; a door that is rotatably connected to the first longitudinal member disposed at one side of the opening so as to open and/or close the opening; a first sealing that is disposed at each of the first longitudinal member of the frame, and that closely contacts the door in a state where the door has closed the opening; and a second sealing that is elevatably disposed at a lower end of the door, and that descends from the lower end of the door to closely contact an upper surface of the second longitudinal member in the state where the door has closed the opening; a locking device that fixes a position of the door in the state where the door has closed the opening; and an actuating device

Abstract: The present invention provides a ship mooring device using a spring bellows structure, wherein the ship mooring device temporarily or permanently fixes a state in which the ship is spaced at a preset distance from a vessel or a pier, the ship mooring device including: a main body configured of a plurality of frames in which opposite ends of each of the frames are hinge-coupled to facing ends of adjacent frames to form foldable hinge joints, wherein diagonally opposed non-adjacent hinge joints of the frames are fixed to the ship and the pier, respectively; and a plurality of wires which are installed inwards in diagonal lines with respect to the frames of the main body to connect the diagonally opposed non-adjacent hinge joints together, with an elastic member interposed in a center portion of the radially disposed wires to generate predetermined dynamic stability when the ship is moved.

Abstract: Provided are method for producing alkali metal hexafluorophosphate, alkali metal hexafluorophosphate powder, method for producing electrolyte concentrate comprising alkali metal hexafluorophosphate, and method for producing secondary battery. The method for preparing alkali metal hexafluorophosphate includes a step of obtaining an alkali metal hexafluorophosphate by reacting phosphorus pentafluoride with alkali metal fluoride in a haloformate solvent.