Abstract: The present exemplary embodiments may provide a negative electrode material for a lithium secondary battery, the negative electrode material containing nano-silicon, crystalline carbon, amorphous carbon, and carbon nanotubes, wherein one end of the carbon nanotube is located inside the negative electrode material and the other end of the carbon nanotube protrudes out of the negative electrode material, and an average length of the carbon nanotubes protruding out of the negative electrode material is 0.1 ?m to 1 ?m.

Abstract: There is provided a smoking material wrapper having micropores, wherein when the smoking material wrapper is divided into three regions at equal intervals from an upstream distal end based on the case where the smoking material wrapper is applied to a smoking article, an average porosity is greater as a region becomes closer to a downstream. According to an embodiment of the present disclosure, the micropores have a pore size of 10 ?m to 50 ?m, and are formed by a perforation method using plasma. The wrapper may maintain functionality as a wrapping material due to low visibility or the like, and may minimize a dilution ratio decreased due to burning of a smoking material unit while maintaining a basic dilution ratio when the smoking material wrapper is applied to a smoking article.

Abstract: In accordance with an embodiment, a hinge system for a door of vehicle includes a hinge arm configured to be mounted between a vehicle door enclosing a vehicle compartment and a vehicle body frame surround a wall structure that defines the vehicle compartment; and a hinge shaft configured to provide an axis of rotation of the hinge arm, and configured to be located outside the wall structure.

Abstract: There is disclosed a website management device including a memory that stores an administrator DID and an administrator private key, a communication interface that communicates with a blockchain network, and at least one processor, and the at least one processor submits a first transaction for creating a URI authentication document to the blockchain network, the first transaction including an administrator digital signature created based on the administrator private key, the first URI, and an access rule for data included in the first URI, and retrieves a remittance transaction having a blockchain account on the blockchain network corresponding to the administrator DID as a recipient, the remittance transaction including a fee statement prepared based on the access rule included in the first URI authentication document. In addition to the above, various embodiments identified through the specification are possible.

Abstract: The present invention relates to a novel peptide having various physiological activities and a use thereof. The novel peptide, according to the present invention, may induce the increase of constituent components of joints in chondrocytes, increase chondrogenic differentiation of mesenchymal stem cells and extracellular matrix generation, and also inhibit the increase of inflammatory cytokines or inflammatory proteins, and inhibit osteoclast differentiation and formation, and thus may be usefully employed as an active ingredient for a pharmaceutical composition for cartilage regeneration or prevention or treatment of inflammatory disease or osteoporosis, or a health functional food for alleviating such symptoms.

Abstract: An apparatus and method for welding electrode tabs protruding from an electrode assembly to each other, which may include a guide part configured to gather the electrode tabs; and a welding part configured to weld the electrode tabs gathered by the guide part on a predetermined welding area. The guide part may be configured to press the electrode tabs toward the electrode assembly, while moving toward the electrode assembly, such that a length from the electrode assembly to the welding area increases in at least a portion of the electrode tabs before being welded by the welding part. Accordingly, some aspects of the present invention may prevent the electrode tabs from disconnecting.

Abstract: The present invention relates to a novel peptide having various physiological activities and use thereof. The novel peptide according to the present invention induces an increase in joint components in chondrocytes, increases the cartilage differentiation of mesenchymal stem cells and the production of extracellular matrix, suppresses an increase in inflammatory cytokines or inflammatory proteins, and can also suppress the differentiation and formation of osteoclasts, and thus can be effectively used as an active ingredient of a pharmaceutical composition for regenerating cartilage or preventing or treating an inflammatory disease or osteoporosis, or a health functional food for ameliorating the symptoms.

Abstract: The present invention relates to a oxygen-free direct conversion of methane reactor and a method for producing ethylene using the same. More specifically, the invention provides a oxygen-free direct conversion of methane reactor and a method for producing ethylene from methane, wherein the reactor is selectively heated to save energy, prevent overheating with high responsiveness, and minimize coke formation, thereby achieving high methane conversion rate and high ethylene yield at a high reaction rate. The method also allows for the production of ethylene and aromatic compounds.

Abstract: The present invention relates to a flat-plate focusing ultrasonic transducer and an acoustic lens composed of an annular array piezoelectric element and methods of manufacturing and designing thereof, more particularly to a flat-plate focusing ultrasonic transducer composed of an annular array piezoelectric element, wherein the annular array piezoelectric element has a plurality of concentric regions which is concentrically arranged in a concentric circle shape with respect to a center point, the concentric region has ring shaped sound insulation regions and piezoelectric regions which are alternatively formed in a direction from the center point to a radius direction, so as to focus a sound wave near a focal point, wherein the piezoelectric regions are composed of a piezoelectric ring that is composed of a piezoelectric material and thus excites a sound wave, the concentric region is in a shape of a flat-plate of which both sides are flat and which has a constant thickness, and each radius of the plurality o

Abstract: A device for fixing a camera module, includes a base part; and a fixing unit including a first fixing part for supporting one side of each of a plurality of boards, and a second fixing part for supporting the other side facing one side of each of the plurality of boards, wherein a plurality of first fixing parts extends in a first direction from the base part, and includes a plurality of protruding parts protruding in the direction perpendicular to the first direction in order to support one side of each of the plurality of boards, and a plurality of second fixing parts extends in the first direction from the base part, and includes a plurality of protruding parts for supporting the other side of each of the plurality of boards.

Abstract: A semiconductor package includes a semiconductor chip including a chip pad, a first insulating layer provided on the semiconductor chip and including a first via hole, a first wiring pattern provided on the first insulating layer and connected to the chip pad through the first via hole of the first insulating layer, a second insulating layer provided on the first insulating layer and the first wiring pattern and including a second via hole, and a second wiring pattern provided on the second insulating layer and connected to the first wiring pattern through the second via hole of the second insulating layer, wherein the first insulating layer includes a first upper surface in contact with the second insulating layer and a first lower surface opposite to the first upper surface, and the first upper surface of the first insulating layer has surface roughness greater that the first lower surface of the first insulating layer.

Abstract: The present invention relates to a nonoxidative methane direct converting reactor and a preparation method of ethylene and aromatic compound using the same and, more specifically, to a nonoxidative methane direct converting reactor and a preparation method of ethylene and aromatic compound using the same, wherein the reactor maximizes a catalytic reaction rate, minimizes cokes production, and provides a high conversion rate of methane and a high yield of ethylene and an aromatic compound even at a low hydrogen supply ratio in the production of ethylene and an aromatic compound from methane.

Abstract: An apparatus and method for welding electrode tabs protruding from an electrode assembly to each other which may include a guide part configured to gather the electrode tabs on a predetermined gathering area, a welding part configured to weld the electrode tabs gathered by the guide part, and a bending part configured to bend the electrode assembly. The bending part ensures that a length from the electrode assembly to the gathering area increases in at least a portion of the electrode tabs before being welded by the welding part. Accordingly, some aspects of the present invention may prevent the electrode tabs from disconnecting. Moreover, the present invention also relates to a secondary battery and may relate to a secondary battery manufactured by the above-described welding apparatus or method.

Abstract: Disclosed is a cloud DID agent including a memory and at least one processor, in which the at least one processor is configured to receive an upload action request for a file from a mobile agent, generate an encryption key corresponding to the file in response to the upload action request and encrypt the file based on the encryption key, generate a plurality of chunks by dividing the encrypted file into a predetermined size, generate a plurality of data blocks corresponding to each of the plurality of chunks, and distribute and transmit the plurality of data blocks to a plurality of external cloud servers so that the plurality of data blocks are distributed and stored in the plurality of external cloud servers. In addition to this, various embodiments grasped through the specification are possible.

Abstract: A method for recovering valuable metals from waste batteries according to one embodiment of the present invention comprises: an impurity removal process for removing impurities comprising Cu from a waste battery raw material and discharging an aqueous phase comprising Ni and Co; and a Co extraction process to extract Co from the aqueous phase comprising Ni and Co and discharge an aqueous phase comprising Ni, wherein the impurity removal process may be carried out by mixing a dialkylphosphoric acid-based solvent extractant with another solvent extractant having a synergistic effect to increase the separation factor of Co and Cu.

Abstract: The present invention relates to a composition for the suppression or amelioration of inflammatory diseases, comprising a recombinant polypeptide in which a functional peptide is conjugated to a biocompatible polypeptide. The composition of the present invention is not only safe for the human body, but can also be widely applied to the suppression of inflammation by inhibiting cytokines and tumor necrosis factors that cause early inflammation. Thus, the composition can be used in fields such as medicines, medical products, cosmetics, and daily necessities, to suppress inflammation, and can also be used in the development of additional new drugs.

Abstract: The present invention provides a compound of chemical formula 1, a compound of chemical formula 3, compound [212], compound [224], or compound [228], a pharmaceutically acceptable salt thereof, a stereoisomer thereof, a hydrate thereof, or a solvate thereof, and a pharmaceutical composition comprising same. The pharmaceutical composition has excellent antiviral efficacy, thereby having a preventive or treatment effect on viral infectious disease such as SARS-COV-2, and exhibits an inhibitory effect on IL-5 expression and thus has a preventive or treatment effect on respiratory disease or allergic disease.

Abstract: The present disclosure relates to a catalyst for direct nonoxidative conversion of methane and a method of preparing the same, and more particularly to a method of preparing a catalyst for direct nonoxidative conversion of methane, in which a catalyst optimized for the direct conversion reaction of methane can be easily prepared without precise control of the reaction conditions for direct conversion of methane, thereby simultaneously maximizing the catalytic reaction rate and minimizing coke formation, and exhibiting stable catalytic performance even after long-term operation, and to a catalyst for direct nonoxidative conversion of methane prepared using the above method.

Abstract: A device and a method for digital print image-connecting continuous printing according to an embodiment of the present invention comprise: an un-winder roll for un-winding printing fabric; a re-winder roll for winding the printing fabric on which printing has been completed; a printing engine provided between the un-winder roll and the re-winder roll, and including a blanket rotating while being in contact with a photo imaging plate and a print roller rotating while being in contact with the blanket; and a fabric direction switching mechanism for switching a transfer direction of the printing fabric passing between the blanket and the print roller into a forward direction or a reverse direction, wherein the printing engine prints a first divided image including a first overlapping area on a first fabric of the printing fabric when the transfer direction is the forward direction, locates only the first overlapping area printed on the first fabric under a second fabric of the printing fabric when the transfer d

Abstract: The present invention relates to an electrochemical catalyst with a Schottky junction that can be used for selective redox reactions, more specifically, it is configured to forming a Schottky contact on the interface between metals, and metal oxides operating as a semiconductor material to selectively occur oxidation or reduction reactions through Schottky barrier control. Accordingly, the present invention ensures that substantially only oxidation reactions occur in the anode of a fuel cell or a water electrolyzer, while substantially only reduction reactions occur in the cathode and, thereby, has the effects of preventing catalyst degradation and increasing durability.