Abstract: An embodiment of the present invention provides a catalyst with maximized activity and stability through synthesizing carbon quantum dots with transition metal elements introduced based on carbon compound monomers containing nitrogen elements that have excellent bonding ability with transition metals. By introducing low-cost transition metal atoms into nano carbon quantum dots (CQDs), a type of highly stable carbon nanostructure, the activity and stability of the hydrogen generation catalyst reaction through water electrolysis are simultaneously increased, so that an economical, highly active, highly stable catalyst for electrochemical hydrogen generation reaction can be manufactured.

Abstract: The present disclosure relates to a heat sink apparatus including a heating body that receives heat from an external heat source, a supplier that is supported by the heating body and supplies a cooling fluid, and a jet ejection part that is provided in the supplier and injects the cooling fluid supplied by the supplier toward the heating body.

Abstract: A host, a storage system, and an operating method of the host are provided. The host includes a host memory configured to store a tree structure including a leaf node and an index node, an index management module configured to manage an index based on the tree structure and generate a first log corresponding to the leaf node based on a first update request corresponding to a first key-value entry included in the leaf node, and a device driver configured to generate a first write command corresponding to the first log and transmit the generated first write command to a key-value storage device, so as to store the first log in the key-value storage device. The index management module is configured to generate a first new key-value entry, the first new-key value entry including a first value updated based on the first update request, as the first log.

Abstract: A display module comprises: a display panel; and a driving unit configured to apply a first control signal for setting a PWM data voltage to sub-pixels, included in each row-line of the display panel for each image frame, to the sub-pixels in a row-line order, and apply a second control signal for controlling the light emission of sub-pixels, included in each row-line, to the sub-pixel in a row-line order, wherein the sub-pixels included in each row-line emit light for a time corresponding to the PWM data voltage set according to the first control signal, based on the second control signal applied to the light emission section corresponding to the image frame, and do not emit light for a preset time based on second control signal applied in a period between consecutive image frame periods.

Abstract: The present invention discloses a metal sulfurization device using a single furnace, comprising an internal quartz tube unit; an external quartz tube unit that is located outside the internal quartz tube unit; a single furnace that is outside the external quartz tube unit and is movable along the outside of the external quartz tube unit; and a single furnace location control unit that is capable of controlling a position of the single furnace, wherein the internal quartz tube part includes: a sulfur source part that supplies sulfur powder; a substrate part on which metal is deposited; a distance control part that is capable of controlling a distance between the sulfur source part and the substrate part; and a gas supply part that injects gas from the sulfur source part toward the substrate part.

Abstract: The present invention relates to a quantum dot comprising: a core bearing III-V group compounds; and a ligand formed on the core, wherein the core is doped with zinc (Zn).

Abstract: A method and an apparatus are disclosed for video coding using adaptive multiple reference lines. The video coding method and the apparatus generate a predictor of the current block in intra-predicting the current block by separately using the top reference line and the left reference line of the current block. The video coding method and the apparatus use multiple reference lines for one pixel in the current block or use different reference lines for different pixels in the current block for intra-predicting the current block.

Abstract: Disclosed is a pharmaceutical composition, containing ErbB3-binding protein 1 (EBP1) protein or a polynucleotide encoding Ebp1 protein as an active ingredient, for preventing and treating ischemic cerebrovascular disease, wherein the pharmaceutical composition has excellent effect of suppressing neuronal damage caused by ischemia by promoting mitophagy and thus can be advantageously used as an agent for preventing or treating ischemic cerebrovascular disease.

Abstract: An embodiment of the disclosure provides an electrochemical catalyst composite and a method of producing the same. The electrochemical catalyst composite according to an embodiment of the disclosure is a hybrid material having a heterojunction structure between metal phosphide with controlled crystal strain and the MXene, in which metal phosphide produced by a synergy effect between the two materials prevents an overlapping phenomenon caused by the van der Waals force of the two-dimensional MXene material and increases a surface area, thereby having an effect on increasing reaction active points. Further, metal phosphide material with the controlled strain causes an electron structure of an element in the MXene support to be rearranged, thereby inducing change in an electrical structure.

Abstract: Disclosed are a metal catalyst with a vertical heterojunction interface and a method of producing the same. The metal catalyst with the vertical heterojunction interface according to an embodiment of the disclosure allows hydrogen adsorbed on a transition metal oxide to be transferred to a transition metal sulfide (hydrogen spillover phenomenon), thereby having effects on having both excellent hydrogen adsorption performance and excellent catalyst activities.

Abstract: Disclosed is an electrolyte membrane for a lithium secondary battery including a compound in which PEG is grafted to PAES or PAEK as a main chain or a block copolymer between PAES or PAEK and PEG, thereby to have excellent ionic conductivity and adhering property. Disclosed is a binder for a lithium secondary battery including a compound in which PEG is grafted to PAES or PAEK as a main chain or a block copolymer between PAES or PAEK and PEG, thereby to have excellent ionic conductivity and adhering property. Further, disclosed is a membrane-electrode structure for lithium secondary batteries having the electrolyte membrane and the binder. Further, disclosed is a manufacturing method of each of the electrolyte membrane, the binder, and the structure.

Abstract: A storage device including: a memory storing data based on program modes; and a storage controller including a program mode table, the storage controller configured to: in response to a program request and first data being already stored in the memory, perform a deduplication operation in which the first data is logically and not physically programmed, in response to the program or an erase request, update a count value from a first to a second value, and in response to a determination that a first program mode corresponding to the first value and a second program mode corresponding to the second value are different, transmit a first command and address to the memory such that a first program operation in which the first data programmed with first bits corresponding to the first program mode is re-programmed with second bits corresponding to the second program mode is performed.

Abstract: Disclosed is a fine dust collecting device using a human body based electrostatic energy harvesting element. The fine dust collecting filter device includes an electrostatic energy harvesting element for collecting and generating current; a charging filter connected to the electrostatic energy harvesting element such that the charging filter is electrically charged to have a first polarity and thus electrically charges fine dust particles; a collecting filter connected to the electrostatic energy harvesting element such that the collecting filter is electrically charged to have a second polarity opposite to the first polarity; and a rectifier disposed between and connected to the electrostatic energy harvesting element, and the charging filter and the collecting filter.

Abstract: Disclosed herein are a phenanthrene-based compound with a high-refractive index and a preparation method therefor. The compound has a phenanthrene-based complex cardo structure and can be used as a monomer in optical resins requiring a refractive index of 1.7 or higher. Due to the phenanthrene-based complex cardo structure of the compound, the fluidity of the molecular chains can be maximally suppressed, allowing for the production of resins with excellent thermal stability, characterized by a high glass transition temperature.

Abstract: There is an inference method using a dynamic pruning filter in a convolutional neural network model. The inference method comprises generating an attention weight matrix based on a feature map of at least one channel extracted from an input image; generating at least one mask matrix by referring to a convolution kernel included in the convolutional neural network model; and outputting the a dynamic pruning filter based on the operation of the attention weight matrix and the at least one mask matrix.

Abstract: A method for preparing a hydrogel includes forming a pre-gel comprising polymer and metal salt particles, unidirectionally-shrinking and dehydrating the pre-gel, and impregnating the unidirectionally shrunk and dehydrated pre-gel with an ion solution to crosslink and rehydrate the unidirectionally shrunk and dehydrated pre-gel to produce the hydrogel.

Abstract: A binary code similarity detection device performs a preprocessing operation of generating an assembly expression for the binary code by converting a machine language of an input binary code into an assembly language, extracting an assembly function or a command from the binary code converted to the assembly language, and detects a similarity to the assembly expression of a pre-stored binary code by inputting the assembly expression generated by the preprocessing operation to a trained model based on bidirectional encoder representations from transformers (BERT), and the trained model is generated by performing a pre-training step of causing the assembly expression to be understood and a fine-tuning step of inputting an assembly expression of a first binary code and an assembly expression of a second binary code to a pre-trained model and then fine-tuning the pre-trained model based on a similarity between the first binary code and the second binary code.

Abstract: A method of reconstructing an image using motion deblurring according to the present invention includes the steps of: modulating a first raw image using Coded Exposure Photography (CEP); and decomposing the first raw image into at least one color channel image, wherein the step of modulating a first raw image using Coded Exposure Photography (CEP) includes modulating the first raw image using a coded pattern determined according to a motion and arrangement of a color filter array (CFA).

Abstract: There is provided a device for controlling an automatic checkout system. The device comprises a storage medium configured to store a product detection model trained based on training images in which parameters of a plurality of sample images are manipulated and one or more commands; and a processor configured to execute the one or more commands stored in the storage medium, wherein the instructions, when executed by the processor, cause the processor to: sequentially load a plurality of frame images, input the plurality of loaded frame images into the product detection model, detect at least one product from each of the plurality of frame images, track at least one product detected in each frame image, and count at least one product detected based on a tracking result.

Abstract: There is provided a method and an apparatus capable of generating contrast-enhanced medical images that clearly show contrast-enhanced areas from non-contrast medical images of cross-sections of a patient's body provided by a medical imaging apparatus such as a CT scanner using a neural network model.