Abstract: Disclosed is a method and apparatus for detecting anomalies in a system log on the basis of self-supervised learning, using a language model. The method comprises performing preprocessing on the system log, generating a normal token sequence having a preset length by concatenating tokenized log lines of the system log, generating an abnormal token sequence using the normal token sequence, calculating an anomaly score for a determination target token sequence using a sentence classification model, and determining the token sequence as an abnormal system log when the calculated anomaly score is greater than a threshold value.

Abstract: A fuel cell vehicle includes a cell stack, a DC level converter, an output unit, a first switching unit disposed between a positive output terminal of the DC level converter and a positive input terminal of the output unit, a second switching unit disposed between a negative output terminal of the DC level converter and a negative input terminal of the output unit, a resistor and a third switching unit connected to each other in series between the positive output terminal of the DC level converter and the negative output terminal of the DC level converter, a fourth switching unit disposed between a contact point between the resistor and the third switching unit and the positive input terminal of the output unit, and a controller for controlling switching operation of the first, second, third and fourth switching units according to an operation mode.

Abstract: The embodiments provide a process for preparing a polishing sheet, a polishing pad using the same, and a process for preparing a semiconductor device using the same. The process for preparing a polishing sheet comprises forming a pattern on the surface of a polymer sheet and winding the patterned polymer sheet to form a wound roll in a cylindrical shape. Thus, there are great advantages in that it is possible to control the size and distribution ratio of a fine and uniform pattern at a desired location in an economical and efficient way and to freely design the type, size, structure, physical properties, and the like of the polishing sheet according to the purpose, whereby the application field can be expanded, and a bulk structure can be manufactured.

Abstract: A device for distributing washer fluid, which includes a case including one or more discharge holes, a rail part located in the case, a pipe assembly moved along the rail part and configured to discharge a washer fluid to the one or more discharge holes, a motor assembly configured to apply a driving force to allow the pipe assembly to be moved along the rail part, a hose engaged with the pipe assembly and integrally moved with the pipe assembly along the rail part, and a controller configured to control the driving force of the motor assembly in response to a cleaning request such that the pipe assembly discharges the washer fluid to a selected discharge hole.

Abstract: The present invention relates to a medium composition for improving stem cell migration, which includes ethionamide, and a use thereof. According to the present invention, the migration of stem cells may be effectively improved by the adjustment of a culture environment, which is a simple and safe method, without using gene manipulation or a viral vector, and the stem cells improved in migration by the method may be effectively used as a stem cell therapeutic agent that is able to function by rapidly migrating to the damaged region after transplantation.

Abstract: A battery assembly mounting structure for a vehicle includes: a through pipe provided in a battery assembly such that a space vertically passing through the battery assembly is formed in an inner portion of the battery assembly, a swappable assembly coupled to an inner portion of the through pipe by an elastic force, and a fastening bolt which passes through an inner portion of the swappable assembly and is coupled to a vehicle body positioned at an upper side of the fastening bolt such that a fastening pressure is applied to a lower end of the through pipe.

Abstract: A display device includes a display panel including a plurality of pixels, an image data corrector configured to generate a corrected image data by adjusting an image data and a data driver providing data signals to the plurality of pixels based on the corrected image data. The image data corrector divides the display panel into a plurality of unit areas, and adjust the image data for a unit area among the plurality of unit areas by using a full image load for the entire display panel, a first image load for the unit area, and a second image load for peripheral unit areas surrounding the unit area among the plurality of unit areas.

Abstract: A display apparatus capable of correcting an image quality change caused by long-term use is provided. The display apparatus includes: a display panel; a communicator configured to communicate with a service apparatus; and a controller configured to control the communicator to transmit operation information including a total operating time of the display apparatus and an operating temperature of the display apparatus, to the service apparatus; receive an image parameter from the service apparatus through the communicator, and based on the received image parameter data; process image data; and transmit the processed image to the display panel. The image parameter may include at least one of a brightness level, a contrast, a sharpness level, and a color density of the display panel.

Abstract: In a method of manufacturing a semiconductor device, the method includes: manufacturing a memory chip including memory cells and a dummy cell; and programming the dummy cell before a packaging process of the memory chip is performed, wherein the programming of the dummy cell is performed after the memory chip is completely manufactured.

Abstract: The present technology includes a memory device and a method of operating the same. The memory device includes a memory block including pages configured of a plurality of memory cells, a peripheral circuit configured to perform a read operation on a selected page among the pages, and a control logic configured to control the peripheral circuit to perform a first read operation on a first logical page and then perform a second read operation on a second logical page, among the first and second logical pages in the selected page, during the read operation. The control logic is configured to control the peripheral circuit to adjust a channel initialization time according to the first logical page after the first read operation is ended, and perform a channel initialization operation during the channel initialization time during the second read operation.

Abstract: A battery pack includes a plurality of battery modules, and each battery module includes: a plurality of battery cells mutually laminated in a first direction and forming a laminated structure; a pair of end plates, each end plate of the pair of end plates being in surface contact with a first and a second ends of the laminated structure, respectively, in the first direction; and a pair of busbar assemblies. In particular, each bus bar assembly of the pair of bus bar assemblies is disposed at the first end and the second end of the laminated structure, respectively, in a second direction perpendicular to the first direction.

Abstract: A coil component includes a body, a coil disposed in the body, an external electrode disposed on one surface of the body and including at least one recess, and a via electrode disposed in the body and connecting the coil to the external electrode.

Abstract: The present disclosure relates to an interface circuit of a motor driving apparatus, the interface circuit comprising a power circuit unit for controlling driving of a motor, and a control panel unit which controls the power circuit unit and provides a user interface, wherein the power circuit unit further comprises a second MCU which controls a relay and an additional device unit and detects an operation state of the additional device unit, and the second MCU can communicate with a first MCU of the control panel unit via a communication line.

Abstract: Provided herein is a memory device that may include a string, a voltage generation circuit, a page buffer, and a channel initializing circuit. The string may include select transistors and memory cells coupled in series between a bit line and a source line. The page buffer may be configured to precharge or discharge the bit line. The voltage generation circuit may be configured to apply a turn-on voltage or a turn-off voltage to select lines coupled to the select transistors, apply at least one operating voltage to word lines coupled to the memory cells, or discharge the select lines or the word lines. The channel initializing circuit may be configured to control the voltage generation circuit and the page buffer so as to initialize a channel of the string when an operation performed on the memory cells is completed or is suspended before being completed.

Abstract: The present technology includes a controller and a method of operating the same. The controller includes a stress manager configured to generate a conversion value according to a number of selected planes during an erase operation and configured to calculate a stress index of a memory block based on the conversion value, a register configured to store the stress index corresponding to the memory block, and a garbage collection manager configured to compare the stress index to a garbage collection reference value to output a garbage collection control signal.

Abstract: The present disclosure relates to a method for selecting mesenchymal stem cells having improved self-maintenance ability, wherein mesenchymal stem cells having excellent self-proliferative ability may be selected to reduce donor variation, and mesenchymal stem cells having excellent self-proliferative ability may be secured in large quantities and used for the development of cell therapy products.

Abstract: A method for culturing mesenchymal stem cells is disclosed. The method includes steps of: primary culturing mesenchymal stem cells in a medium containing umbilical cord blood serum; and subculturing the mesenchymal stem cells in a medium containing fetal bovine serum. The method for culturing mesenchymal stem cells may maintain stemness by reducing the differentiation and aging of stem cells, and in particular, may achieve a remarkably high proliferation rate.

Abstract: A power supply for electric vehicles includes: a main battery mounted to a vehicle to supply electric power to a motor generating a driving power for the vehicle; a supplementary battery charged with electric power to be supplied to the main battery; a battery rack provided in a vehicle body to load the supplementary battery; and a power converter configured to convert electricity power of the supplementary battery mounted to the battery rack to charge the main battery.

Abstract: A battery module includes a plurality of battery cells stacked on one another in a first direction and configured to form a stacked structure. In particular, some battery cells of the plurality of battery cells are coated with hot melt respectively interposed between some battery cells of the plurality of battery cells to fix the battery cells. The battery module further includes a pair of end plates that surface-contact with opposite end battery cells of the stacked structure; and a pair of bus bar assemblies arranged at opposite ends of the stacked structure in a second direction perpendicular to the first direction and configured to connect electrodes of the plurality of battery cells located at opposite ends in the second direction to each other.

Abstract: A cell death inhibitor including a mesenchymal stem cell genetically engineered to secrete growth-regulated oncogene-alpha (GRO-?) or overexpress GRO-? compared to a parent cell, GRO-?, or a combination thereof. A method of treating a muscle disease, including administering a pharmaceutically effective amount of a mesenchymal stem cell, which is genetically engineered to secrete growth-regulated oncogene-alpha (GRO-?) or overexpress GRO-? compared to a parent cell, or GRO-?, to a subject in need thereof.