Abstract: A hydrogen compression system includes: a heat pump part including a heat pump line configured to allow a refrigerant to circulate therethrough, a hydrogen compression part configured to compress hydrogen by being repeatedly heated and cooled, a first circulation line connected to the heat pump line while passing through the hydrogen compression part and configured to allow the refrigerant introduced from the heat pump line to circulate therethrough, a second circulation line provided to pass through the hydrogen compression part and configured to allow a cooling fluid to circulate therethrough, and a cooling unit provided in the second circulation line and configured to cool the cooling fluid, in which the hydrogen compression part is heated by the refrigerant or cooled by the cooling fluid, thereby minimizing electric power consumption and improving energy efficiency.

Abstract: A hydrogen supply method includes a two-side heat exchange mode in which both introducing a second fluid into a hydrogen storage part after the second fluid exchanges heat with a first fluid in a second heat exchanger in a state in which a compressor is driven to compress the first fluid and introducing the second fluid into the hydrogen storage part after the second fluid is heated or cooled in a thermal device are performed. The method also includes a one-side heat exchange mode in which one of introducing the second fluid into the hydrogen storage part after the second fluid exchanges heat with the first fluid in the second heat exchanger in a state in which the compressor is driven to compress the first fluid and introducing the second fluid into the hydrogen storage part after the second fluid is heated or cooled in the thermal device is performed.

Abstract: The present invention relates to a composition for preventing or treating diseases caused by mitochondrial dysfunction, containing, as an active ingredient, an isoquinoline derivative compound represented by chemical formula 1, or a pharmaceutically acceptable salt thereof, and does not induce mitochondrial damage, unlike conventional mitochondrial toxins such as CCCP, and specifically and excellently promotes the activity of mitophagy to alleviate mitochondrial disfunction, and thus can be effectively used in the treatment of diseases caused by mitochondrial dysfunction.

Abstract: Provided is an ultra large-width coating device applied to a consecutive process. More particularly, the present invention relates to a coating device capable of maximizing productivity by consecutively manufacturing a large-width film without reducing physical properties of the manufactured film by overcoming a problem in that a coating width is limited during a coating process using the existing contact type coating roller, and a method for manufacturing an ultra large-width membrane using the same.

Abstract: A liquefied gas storage tank includes a corner block disposed on a corner portion, wherein the corner block includes a lower block, an upper block and an upper connecting block, the upper block includes a first inner fixing unit and a second inner fixing unit respectively provided inside a first surface and a second surface, bonded and connected to a secondary barrier, and each having a structure in which a primary inner plywood, a primary corner insulating material, and a primary outer plywood are stacked, and an inner bent portion installed at a corner spatial portion between the first inner fixing unit and the second inner fixing unit, and both side surfaces of the inner bent portion that are perpendicular to the secondary barrier each have a height reduced from a total height of each of the first and second inner fixing units.

Abstract: A hydrogen storage system is disclosed and includes a storage unit including a plurality of unit storage containers, in which metal hydride materials are respectively provided in an interior thereof and which are connected to each other in parallel, and a thermal fluid line defining a thermal fluid passage, which passes via the plurality of unit storage containers continuously and through which a thermal fluid flows for heating or cooling the unit storage containers, thereby enhancing a storage performance and an efficiency of the hydrogen.

Abstract: A hydrogen storage device includes a storage container having an accommodation space in an interior thereof, a first metal hydride material provided in the interior of the storage container and that stores hydrogen, and a second metal hydride material provided in the interior of the storage container and that stores the hydrogen at a pressure that is different from that of the first metal hydride material. An advantageous effect of restraining an excessive rise of a pressure of the storage container and enhancing safety and reliability may be obtained.

Abstract: The present disclosure relates to an organic electroluminescent compound, a plurality of host materials, and an organic electroluminescent device comprising the same. By comprising the compound according to the present disclosure or by comprising a specific combination of compounds according to the present disclosure as a plurality of host materials, it is possible to produce an organic electroluminescent device having improved driving voltage, luminous efficiency, and/or lifetime properties compared to the conventional organic electroluminescent devices.

Abstract: An apparatus for assembling a solid hydrogen storage system includes a lower support installed to support a lower side of material blocks to be assembled, split covers assembled in multiple stages on an upper side of the lower support and forming therein a closed space in which the material blocks are capable of being assembled, the split covers being configured to be separated in a horizontal direction, and gas injection ports provided in the split covers to inject an inert gas into an inner space of the split covers.

Abstract: The present disclosure relates to a secondary battery manufacturing system having a multi-packaging unit, in which multiple packaging units of a secondary battery manufacturing facility are provided and a transfer box on which an electrode assembly is accommodated is transferred to each packaging unit by a transfer unit, wherein the secondary battery manufacturing system includes: an electrode supply unit equipped with a plurality of stacking devices for supplying an electrode assembly in which a plurality of battery cells are stacked; a tab-welding unit; at least one packaging unit; at least one temporary buffer; and a transfer unit.

Abstract: The liquefied gas storage tank includes a primary barrier, a primary insulation wall, a secondary barrier, and a secondary insulation wall. In a state where unit elements are arranged adjacent to each other, each of the unit elements being formed by stacking the secondary insulation wall, the secondary barrier, and a fixed insulation wall which is a part of the primary insulation wall, the primary insulation wall may comprise: a connection insulation wall provided in the space between the adjacent fixed insulation walls; first slits formed between the fixed insulation walls and the connection insulation wall when the connection insulation wall is inserted and installed between the adjacent fixed insulation walls; a plurality of second slits formed in a lengthwise direction and a widthwise direction of the fixed insulation walls; and a first insulating filler material for filling the first slits.

Abstract: The present disclosure relates to an organic compound having the following structure, and an organic light emitting diode (OLED) and an organic light emitting device including the organic compound. The organic compound can be a bipolar compound having a p-type moiety and an n-type moiety and has high energy level and proper energy bandgap for an emissive layer of the OLED. As the organic compound is applied into the emissive layer, the OLED can maximize its luminous properties as holes and electrons are recombined uniformly over the whole area in an emitting material layer (EML).

Abstract: The present disclosure relates to a secondary battery manufacturing system in which a packaging unit of a secondary battery manufacturing facility are configured to have multiple packaging units, and having a multipackaging unit such that a transfer box in which an electrode assembly is seated is transferred to each of the packaging units by a transfer unit, and including an electrode supply unit having a plurality of stacking devices supplying an electrode assembly in which a plurality of battery cells are stacked, a tab welding unit, at least one packaging unit, at least one temporary buffer, and a transfer unit.

Abstract: It is disclosed a blood glucose prediction system and method using saliva-based artificial intelligence deep learning technique.

Abstract: The present disclosure relates to a health care system for companion animals and a method of operating the same. The health care system according to one embodiment of the present disclosure includes a data collector for collecting lifelog data including basic information and biometric information about a user's companion animal; a self-diagnosis device for providing a plurality of questionnaire data to the user to perform self-diagnosis of the health condition of the companion animal and receiving feedback information reflecting a response of the user to the provided questionnaire data from the user; a health condition judgment device for judging the health condition of the companion animal based on the collected lifelog data and the feedback information; and a service determining device for determining at least one health care service to be provided to the user among a health coaching service and a medical service based on the judged health condition.

Abstract: A cleaner for collecting dust is provided. The cleaner includes a suction head, a dust collector having a first end mounted on the suction head and including a first dust collecting chamber, an extension member slidably mounted on the dust collector at the other end opposite to the first end of the dust collector, and a first dirt removing member disposed at one end of the extension member and having elasticity.

Abstract: A cyclone dust collector having improved usability and a vacuum cleaner having the same are provided. The cyclone dust collector includes: a cyclone chamber including an inlet through which air is drawn in and an outlet through which dust-filtered air is discharged; a discharge passage disposed inside the cyclone chamber; a spiral part formed around the discharge passage to be inclined in a spiral pattern; and a grill rotatably disposed on the discharge passage, and the outlet is formed inside the discharge passage.

Abstract: Provided is a cleaner including a dust collecting device for separating dust from air, wherein the dust collecting device includes a dust collecting case having a dust discharging port opened to discharge the collected dust; a discharge cover coupled to one side of the dust collecting case to open and close the dust discharge port; and a sealing member provided to extend from an inner surface of the dust collecting case to a coupling surface of the dust collecting case while being in contact with the dust collecting case and thus to be sealed when the dust discharging port is closed.

Abstract: Provided is a cyclone dust collector with improved usability, a vacuum cleaner having the cyclone dust collector, and a handy-stick type vacuum cleaner having the cyclone dust collector. The handy-stick type vacuum cleaner includes the cyclone dust collector. The cyclone dust collector includes a suction duct configured to suction air in a first direction and provided with an air suction passage formed therein, a cyclone chamber configured to separate dust from air introduced through the suction duct by turning the air, and provided with a grille rotatably formed therein, and a dust collection chamber configured to collect the dust separated from the air in the cyclone chamber in a second direction opposite to the first direction.

Abstract: In a cyclone dust collector and a vacuum cleaning device having the same, foreign substances can be prevented from being attached on an outer circumferential surface of a grill located at an outlet part, so that an inhalation force of the vacuum cleaning device can be prevented from being lowered. Also, foreign substances collected in the cyclone dust collector can be easily removed. The vacuum cleaning device includes: a cyclone dust collector, wherein the cyclone dust collector includes: a cyclone chamber in which air introduced through an inlet part is whirled and dust is separated from the air; an outlet part disposed so that the air from which the dust is separated is discharged from the cyclone chamber; and a grill that is rotatably disposed in the outlet part.