Abstract: A pipe according to the present disclosure includes a body portion provided with a seating section having a straight profile extending in a first direction and extending in a second direction that is one direction perpendicular to the first direction when cut along a plane perpendicular to the first direction, wherein the body portion passes in the first direction to define a hollow.

Abstract: The present invention relates to a method for upgrading a home appliance and a device for implementing same. The method for upgrading a home appliance according to an embodiment of the present invention comprises the steps of: transmitting, by a management server, software to a home appliance; downloading, by the home appliance, the software from the management server; transmitting, by the management server, an output instruction message indicating an output of an installation notification of the software to the home appliance; and outputting, by the home appliance, the installation notification.

Abstract: A lithium secondary battery for thermal runaway delay, includes an electrode coated with a coating ink prepared by the method The method of preparing a coating ink composition uses expandable graphite (EG) as a starting material to obtain non-oxidized graphene, so there is no reduction process, no acid is used, and through a simple manufacturing process, manufacturing costs and times can be reduced while enabling mass-production and causing no environmental problems. Further, the coating ink composition prepared by the method of preparing the coating ink composition can improve properties such as viscosity, dispersion stability, electrical conductivity, and substrate adhesion of the ink by using a polymer as an additive. In addition, by coating the electrode of the secondary battery with the coating ink composition containing graphene nanoplatelets or non-oxidized graphene, thermal runaway due to overload of thermal energy generated within the secondary battery can be delayed and prevented.

Abstract: A water-sliding membrane includes a base layer formed on a glass substrate and a lubricating layer retained to the base layer. The base layer is formed by modifying a reactive functional-group to a surface of the substrate, the lubricating layer is configured of a polymer including a reactive functional-group that can form a covalent bond with the reactive functional-group of the base layer, and a portion of the reactive functional-group of the base layer and a portion of the reactive functional-group of the lubricating layer form the covalent bond. Moreover, the base layer includes a cyclic conjugated functional-group modified to the surface of the substrate, the lubricating layer includes a polymer having a hydrogen atom charged to ?+, and a portion of the cyclic conjugated functional-group of the base layer and a portion of the hydrogen atom charged to ?+ of the lubricating layer have ?-electron interaction.

Abstract: A storage device may include: a nonvolatile memory device including a plurality of memory blocks; and a memory controller for providing an external device with block count information including bitmap information representing whether an erase number of each of the plurality of memory blocks is equal to or greater than a reference value, performing an erase operation on a memory block in which data corresponding to a write command received from the external device is to be stored before the write command is executed, storing the data in the nonvolatile memory device, updating the block count information, and providing the updated block count information to the external device.

Abstract: A storage device may include: a nonvolatile memory device including a plurality of memory blocks; and a memory controller for providing an external device with block count information including bitmap information representing whether an erase number of each of the plurality of memory blocks is equal to or greater than a reference value, performing an erase operation on a memory block in which data corresponding to a write command received from the external device is to be stored before the write command is executed, storing the data in the nonvolatile memory device, updating the block count information, and providing the updated block count information to the external device.

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 case for a water heater includes a case cover provided to accommodate the water heater in an inner space thereof, and a case frame configured to support the case cover in the inner space. The case cover includes a rear cover part including a plurality of holes passing through a plurality of pipes connected to the water heater, an upper cover part configured to cover an upper portion of the water heater and provided to be detached from the case frame, a side cover part configured to cover a side surface of the water heater and provided to be detached from the case frame, and a front cover part configured to cover a front surface of the water heater and provided to be detached from the side cover part.

Abstract: Provided is a dual venturi. The dual venturi includes a housing including a housing body opened in a reference direction so that a gas or air flows, an inner partition wall through which an inner space of the housing body is divided into a first conduit and a second conduit, and a gas providing part provided with a first gas conduit passing through the first conduit to allow the first conduit to communicate with the outside therein and a second gas conduit configured to allow the second conduit to communicate with the outside, an opening/closing unit disposed in the inner space to open and close the first gas conduit and the second conduit, and a driver connected to the opening/closing unit to provide driving force to the opening/closing unit.

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: 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: A storage device may include: a nonvolatile memory device including a plurality of memory blocks; and a memory controller for providing an external device with block count information including bitmap information representing whether an erase number of each of the plurality of memory blocks is equal to or greater than a reference value, performing an erase operation on a memory block in which data corresponding to a write command received from the external device is to be stored before the write command is executed, storing the data in the nonvolatile memory device, updating the block count information, and providing the updated block count information to the external device.

Abstract: Provided herein may be an interface device having a plurality of ports and a method of operating the same. The interface device may include a first port, a second port, and a controller. The first port may include a first port buffer. The second port may include a second port buffer. The controller may be configured to exchange data with the first port and the second port. In a single port mode, at least one of the first port buffer and the second port buffer may be set as a buffer memory of the controller.

Abstract: The present disclosure provides an energy-saving technology using switching of current of an electrode terminal, which is applied to a capacitive deionization (CDI) water purification apparatus, and control of switching of the current. The water purification apparatus includes a case 110 having an inlet 113 formed in one side thereof and an outlet 115 formed in the opposite side thereof, a plurality of electrode plates 120 accommodated in the case and stacked on one another, and an electrode terminal 130 selectively and electrically connected to the plurality of electrode plates and configured to allow direct current to flow therethrough.

Abstract: Disclosed are a method of manufacturing a uranium target, the method including (a) a step of preparing a conjugate including a matrix and a uranium target green compact formed in the matrix; and (b) a step of performing thermo-mechanical treatment through additional heat treatment at 530° C. to 600° C. during a hot rolling pass in a process of hot-rolling the conjugate, and a method of extracting radioactive Mo-99 using the uranium target.

Abstract: A liquefied gas storage tank of the present disclosure includes: a flat block including a flat primary insulating wall disposed on a flat portion on a first surface or a second surface at different angles forming a storage space for accommodating liquefied gas, the flat primary insulating wall securing a flat primary barrier made of metal and being disposed on the outside of the flat primary barrier, a flat secondary barrier disposed on the outside of the flat primary insulating wall, and a flat secondary insulating wall disposed on the outside of the flat secondary barrier; and a corner block including a corner primary insulating wall disposed in a corner portion where the first surface and the second surface meet, the corner primary insulating wall securing a corner primary barrier made of metal and being disposed on the outside of the corner primary barrier, a corner secondary barrier disposed on the outside of the corner primary insulating wall, and a corner secondary insulating wall disposed on the outsi

Abstract: Disclosed are a hybrid structure using a graphene-carbon nanotube and a perovskite solar cell using the same. The hybrid structure includes a graphene-carbon nanotube formed by laminating a second graphene coated with a polymer on an upper surface of a first graphene coated with a carbon nanotube. The perovskite solar cell includes: a substrate; a first electrode formed on the substrate and including a fluorine doped thin oxide (FTO); an electron transfer layer formed on the first electrode and including a compact-titanium oxide (c-TiO2); a mesoporous-titanium oxide (m-TiO2) formed on the electron transfer layer; a perovskite layer formed on the m-TiO2 and including a perovskite compound; and a graphene-carbon nanotube hybrid structure formed on the perovskite layer.

Abstract: An electronic device according to various embodiments of the present invention comprises: a housing including a first surface facing a first direction and a second surface facing a second direction opposite to the first direction; a touch screen display disposed between the first surface and the second surface and exposed through the first surface; a pressure sensor disposed between the first surface and the second surface and configured to sense at least one pressure by an external object on the touch screen display; at least one processor electrically connected to the touch screen display and the pressure sensor; and a memory electrically connected to the processor, wherein the memory may store instructions which cause the processor to receive, from the pressure sensor, data indicating pressure by a user or the external object on the touch screen display, determine a rate of pressure change corresponding to a change of the pressure per unit time, and call a function on the basis of at least a part of at lea

Abstract: The present disclosure provides an energy-saving technology using switching of current of an electrode terminal, which is applied to a capacitive deionization (CDI) water purification apparatus, and control of switching of the current. The water purification apparatus includes a case 110 having an inlet 113 formed in one side thereof and an outlet 115 formed in the opposite side thereof, a plurality of electrode plates 120 accommodated in the case and stacked on one another, and an electrode terminal 130 selectively and electrically connected to the plurality of electrode plates and configured to allow direct current to flow therethrough.

Abstract: Disclosed is a device for providing serial skin type analysis and preparing a customized cosmetic product. The device includes a measurer configured to measure a skin condition of a user, a storage unit configured to store data of the skin condition measured by the measurer, a determiner configured to index the measured skin condition data and determine an effective cosmetic ingredient based on the skin condition, and a transmitter configured to transmit the skin condition data.