Abstract: A battery pack includes a battery module assembly having at least one battery cell, a pack case configured to accommodate the battery module assembly, and a barrier unit provided on at least one side of the pack case, configured to discharge a vent gas in the pack case to the outside of the pack case and having at least one blocking baffle disposed obliquely to have a predetermined inclination angle.

Abstract: A battery pack includes a plurality of battery modules each including one or more battery cells to store and release energy, each battery module further including an intake portion and an exhaust portion, an intake duct including an intake channel and communicating with the intake portion of each of the plurality of battery modules, and an exhaust duct including an exhaust channel and communicating with the exhaust portion of each of the plurality of battery modules. Each of the plurality of battery modules further includes an opening/closing member configured to close the intake portion when internal pressure increases.

Abstract: A method of mounting a bus-bar frame includes: forming a plurality of cell lead blocks and a battery cell stacked body by alternately stacking a cell lead block and at least one battery cell; disposing a top cover with respective ends on which a bus-bar frame is installed so as to cover the battery cell stacked body; removing the lead blocks from a space between the battery cell stacked body and the bus-bar frame; and installing the bus-bar frame on the battery cell stacked body by rotating the bus-bar frame. The alternately stacking of the cell lead block and the at least one battery cell includes positioning an electrode lead protruding from each battery cell between neighboring ones of the cell lead blocks.

Abstract: The present disclosure relates to a two-vane pump for wastewater and a design method of a two-vane pump for wastewater using machine learning, and more particularly, a design method of a two-vane pump using machine learning capable of having efficiency of a target head and performing optimal design for sizes of solids that can pass through and a two-vane pump for wastewater according to the machine learning.

Abstract: A method of controlling an EOP of a powertrain may include determining, by a controller electrically connected to the EOP, whether an oil sloshing phenomenon in which it is difficult for oil to return to a space where an oil intake port of the EOP is positioned may occur while a vehicle is running; and reducing, by the controller, the revolutions per minute (RPM) of the EOP by a predetermined reduced RPM when it is determined that the oil sloshing phenomenon may occur.

Abstract: The present disclosure relates to a user recognition method and a user recognition apparatus using a two-dimensional (2D) electromyogram (EMG) spectrogram image. The user recognition method using a 2D EMG spectrogram image may include (a) acquiring a one-dimensional EMG signal for a user, (b) converting the acquired one-dimensional EMG signal to a 2D EMG spectrogram image including a temporal feature and a frequency feature, and (c) recognizing the user based on the 2D EMG spectrogram image.

Abstract: A battery pack is configured to improve safety by effectively suppressing heat transfer between battery modules in the present disclosure. A battery pack includes a plurality of battery modules each having one or more battery cells, configured to store and release energy, and stacked in at least one direction; a pack case provided on at least one side of the plurality of battery modules, covering at least a portion of the outside of the plurality of battery modules, and having one or more openings formed therein; and a melting member provided in the opening of the pack case to seal the opening and configured to open the opening by being melted by heat generated from one or more battery modules among the plurality of battery modules.

Abstract: A battery rack includes a plurality of battery modules, each including at least one battery cell, wherein each battery module has at least one venting hole; a rack case accommodating the plurality of battery modules; and a plurality of support brackets disposed in the rack case such that each support bracket supports each battery module and is in communication with the at least one venting hole.

Abstract: A display device that senses externally applied pressure and a change in the resonant frequency of a piezoelectric element. The display device includes a piezoelectric sensor layer including a piezoelectric sensor; and a display panel disposed on the piezoelectric sensor layer. The piezoelectric sensor includes: a piezoelectric element having a first electrode, a second electrode facing the first electrode, and a piezoelectric material disposed between the first electrode and the second electrode; an alternating current (AC) voltage generator connected to the first electrode and applies a voltage having a resonance frequency to the piezoelectric element. A sensing circuit connected to the second electrode is configured to measure a change in impedance of the piezoelectric element.

Abstract: A negative voltage switching device includes a first switching circuit configured to transmit a first negative voltage, a second switching circuit configured to transmit a second negative voltage, and a switching selection circuit configured to select one of the first switching circuit or the second switching circuit for transmitting one of the first negative voltage and the second negative voltage to an output terminal.

Abstract: A semiconductor package includes a wiring structure including a first insulating layer and a first wiring pad. The first wiring pad is in the first insulating layer. The package includes a semiconductor chip on the wiring structure, and an interposer on the semiconductor chip. The interposer includes a second insulating layer and a second wiring pad, and the second wiring pad is in the second insulating layer. The package includes a first connecting structure including a first metal layer and a second metal layer surrounding the first metal layer. The first metal layer includes a lower metal layer adjacent to the wiring structure and an upper metal layer adjacent to the interposer, and the first connecting structure connects the first wiring pad and the second wiring pad. The package includes a mold layer between the wiring structure and the interposer.

Abstract: A semiconductor package is provided. A semiconductor package includes a wiring structure, which includes a first insulating layer and a first wiring pad inside the first insulating layer a semiconductor chip on the wiring structure, an interposer having one surface facing the semiconductor chip and including a second insulating layer and a second wiring pad inside the second insulating layer, a connecting member connecting the first wiring pad and the second wiring pad, a support member in the first recess and between the wiring structure and the interposer, and a mold layer covering the semiconductor chip. One surface of the wiring structure includes a first recess exposing at least a part of the first insulating layer.

Abstract: A disposable dental articulator is proposed. The disposable dental articulator includes a body, a socket coupled to the body and a fixing portion one side of which is slidably coupled to the first socket and the other side of which is configured to be coupled to one of a maxillary dental model and a mandibular dental model.

Abstract: There are provided a lyophilized preparation of botulinum toxin without a protein stabilizer derived from animals. The lyophilized preparation of botulinum toxin according to the present invention can maintain an activity of botulinum toxin, and also exhibit excellent long-term storage stability even under conditions of high temperature, which may occur when botulinum toxin is stored, delivered, and processed.

Abstract: There are provided a lyophilized preparation of botulinum toxin without a protein stabilizer derived from animals. The lyophilized preparation of botulinum toxin according to the present invention can maintain an activity of botulinum toxin, and also exhibit excellent long-term storage stability even under conditions of high temperature, which may occur when botulinum toxin is stored, delivered, and processed.

Abstract: A method and an apparatus for supporting a discontinuous reception (DRX) operation in a Node B in a mobile communication system are provided. The method includes defining a second System Frame Number (SFN) where one cycle of a first SFN corresponds to one bit, transmitting information on the second SFN to a User Equipment (UE), determining a second SFN which is used to transmit a paging signal to the UE, determining a first SFN which is used to transmit the paging signal in the determined second SFN, and transmitting the paging signal to the UE at the determined first SFN.