Abstract: An impeller includes a hub, and a vain unit provided radially at a position spaced apart by a predetermined distance based on the hub. The vane unit is configured to begin at a position spaced apart by a predetermined radius based on the hub and to end to be formed into a streamlined shape in which a beginning portion becomes narrower in width than an end portion. The vane unit includes “n” first vanes radially configured at positions spaced apart by a radius r1 based on the hub and having a first length, where “n” is a natural number equal to or greater than 3; and “n” second vanes disposed between the first vanes, the second vanes having a second length that is less than the first length of the first vanes.

Abstract: An image encoding/decoding method is provided. An image decoding method of the present invention may comprise deriving an intra-prediction mode of a current luma block, deriving an intra-prediction mode of a current chroma block based on the intra-prediction mode of the current luma block, generating a prediction block of the current chroma block based on the intra-prediction mode of the current chroma block, and the deriving of an intra-prediction mode of a current chroma block may comprise determining whether or not CCLM (Cross-Component Linear Mode) can be performed for the current chroma block.

Abstract: A non-destructive inspection method of detecting defects in a pouch-type secondary battery is disclosed. The defects are due to a crack or weld condition of an electrode sealed with a pouch. The method is used in a manufacturing process of the pouch-type secondary battery, where the manufacturing process includes an electrode tab pre-welding process; an electrode tab main-welding process; and a packing process. The method can include a first crack condition inspecting operation; a second crack condition inspecting operation; and a weld condition inspecting operation. The first crack condition inspecting operation inspects a first crack condition of the electrode tabs which occurs in the electrode tab pre-welding process. The second crack condition inspecting operation inspects a second crack condition of the electrode tabs, which occurs in the electrode tab main-welding process. The weld condition inspecting operation inspects a weld condition of the electrode tabs.

Abstract: Disclosed herein are image encoding/decoding method and apparatus. The image decoding method according to the present invention includes: obtaining prediction mode information of a neighboring block for a current block from a bitstream; by using the obtained information, deriving a prediction mode of the neighboring block; and, based on the prediction mode of the neighboring block, reconstructing the current block.

Abstract: A positive electrode and a secondary battery including the same are provided. The positive electrode includes a current collector and a positive electrode active material layer disposed on the current collector, wherein the positive active material layer includes a positive electrode active material, a binder, and a multi-walled carbon nanotube, wherein the multi-walled carbon nanotube has an average length of 1-2 ?m and has a length standard deviation of 0.5 ?m or less.

Abstract: The present disclosure relates to a low-profile barrier including a plurality of segments continuously arranged in the longitudinal direction and a connecting member installed in a connection portion, the connection portion between the segments configured to bend in the horizontal direction in order to effectively absorb impacts in the event of a vehicle collision, thereby ensuring safety of vehicles and vehicle occupants, and a method for constructing the same.

Abstract: Disclosed are method and apparatus for controlling a reactor in a reformer including training a first prediction model for predicting properties of feed and a second prediction model for predicting properties of products; predicting the properties of feed being currently supplied to a reactor set in real time by allowing a first prediction unit including the trained first prediction model to receive a current operating condition of the reactor set; predicting the properties of products being produced in the reactor set in real time by allowing a second prediction unit including the trained second prediction model to receive the current operating condition and the predicted properties of feed; calculating amount of temperature fluctuation for each reactor as a control signal for controlling each of the reactors; and controlling an operating temperature of each of the reactors based on the calculated amount of temperature fluctuation.

Abstract: A dial-type wire tightening device is provided. The device is capable of being manufactured to be miniaturized and, by widening contact areas between elements provided to prevent reverse rotation when the wire is being tightened, has improved durability. The dial-type wire tightening device includes a lower cover, a reel part, a housing part, an intermediate cover, a stopper unit, a pawl part, and an upper cover.

Abstract: An apparatus for manufacturing a display device includes a gas exhaust unit and a gas spray unit. The gas exhaust unit includes first and second sidewalls disposed side by side along a first direction, and an upper plate disposed on the first and second sidewalls, a first partition disposed between the first and second sidewalls and extending away from a lower surface of the upper plate in a second direction. The gas spray unit includes first and second spray portions spraying first and second gases in the second direction. The first partition includes first and second surfaces, a third surface connecting the first surface to the second surface, first and second horizontal openings formed at the first and second surfaces, a first vertical opening formed at the third surface, and a first sub exhaust path connecting the first and second horizontal openings, and the first vertical opening with each other.

Abstract: A dial-type wire tightening device is provided. The device is capable of being manufactured to be miniaturized and, by widening contact areas between elements provided to prevent reverse rotation when the wire is being tightened, has improved durability. The dial-type wire tightening device includes a lower cover, a reel part, a housing part, an intermediate cover, a stopper unit, a pawl part, and an upper cover.

Abstract: An atomic layer deposition apparatus includes a substrate support which supports a substrate; a process module on the substrate support; a first gas pipe which supplies a first gas to the process module; a second gas pipe which supplies a second gas to the process module; and an exhaust part which discharges the first and second gases supplied to the process module. The process module includes: a first gas supply flow path portion connected to the first gas pipe; a second gas supply flow path portion under the first gas supply flow path portion and connected to the second gas pipe; and a gas exhaust flow path portion connected to the exhaust part. The gas exhaust flow path is spaced apart from the first and second gas supply flow path portions with the substrate therebetween, and the first and second gases pass through a process area in a laminar flow.

Abstract: Provided are a device and method for predicting product properties of a naphtha splitting unit (NSU). The method includes training a prediction model for predicting the product properties of the NSU, inputting an input variable to the trained prediction model to acquire a prediction value for each output variable, and outputting the acquired prediction values for the output variables.

Abstract: Disclosed are a method and apparatus of predicting properties of feed and products in a reformer. The method of predicting properties of feed and products in a reformer includes training a first predictive model for predicting the properties of feed in the reformer and a second predictive model for predicting the properties of products in the reformer; predicting the properties of feed being currently supplied to the reactor in real time by allowing a first prediction unit including the trained first prediction model to receive a current operating condition of the reactor in the reformer; and predicting the properties of products being produced in the reactor in real time by allowing a second prediction unit including the trained second prediction model to receive the current operating condition and the predicted properties of feed.

Abstract: Disclosed are a method and apparatus for controlling a reactor in a reformer.

Abstract: A shoelace tightening device includes a main ratchet gear and an auxiliary ratchet gear, which allows a stopper unit to be coupled so as to have a clearance such that the stopper accurately engages with the main ratchet gear. The shoelace tightening device further includes: a lower cover having a receiving recess within a top portion of the lower cover; a reel rotatably inserted into the receiving recess of the lower cover, wherein the reel includes a gear coupling portion provided on a top portion of the reel such that a wire is wound on the reel when the reel is rotated; a housing accommodating the reel inside the housing, wherein a bottom end portion of the housing is fixed to the receiving recess of the lower cover to be integrally fixed to the lower cover.

Abstract: A shoelace tightening device includes a main ratchet gear and an auxiliary ratchet gear, which allows a stopper unit to be coupled so as to have a clearance such that the stopper accurately engages with the main ratchet gear. The shoelace tightening device further includes: a lower cover having a receiving recess within a top portion of the lower cover; a reel rotatably inserted into the receiving recess of the lower cover, wherein the reel includes a gear coupling portion provided on a top portion of the reel such that a wire is wound on the reel when the reel is rotated; a housing accommodating the reel inside the housing, wherein a bottom end portion of the housing is fixed to the receiving recess of the lower cover to be integrally fixed to the lower cover.

Abstract: A touch display device includes: a touch display panel displaying an image and sensing a touch input; a plurality of touch electrodes in the touch display panel; a plurality of touch lines connected to the plurality of touch electrodes, respectively; a plurality of MUXs connected to the plurality of touch lines, each of the plurality of MUXs transmitting a touch scan signal to at least two of the plurality of touch electrodes simultaneously and receiving a touch sensing signal from at least two of the plurality of touch electrodes; a signal processing part calculating a touch variance from the touch sensing signal; and a coordinate calculating part calculating coordinates of the touch input from the touch variance.

Abstract: A touch display device includes: a touch display panel displaying an image and sensing a touch input; a plurality of touch electrodes in the touch display panel; a plurality of touch lines connected to the plurality of touch electrodes, respectively; a plurality of MUXs connected to the plurality of touch lines, each of the plurality of MUXs transmitting a touch scan signal to at least two of the plurality of touch electrodes simultaneously and receiving a touch sensing signal from at least two of the plurality of touch electrodes; a signal processing part calculating a touch variance from the touch sensing signal; and a coordinate calculating part calculating coordinates of the touch input from the touch variance.

Abstract: An air spring type suspension includes: a cylinder including an air chamber; an outer tube surrounding the cylinder and constituting a buffer chamber outside the cylinder, the buffer chamber connected to the air chamber; a damper capable of being inputted into and outputted from the air chamber; a piston rod in the air chamber and inserted into the damper; and an accumulator module constituting a control chamber connected to the buffer chamber, wherein a single closed space is constituted by the air chamber, the buffer chamber and the control chamber, and wherein a pressure change of the air chamber is induced by a pressure change of the control chamber.

Abstract: Disclosed related to a door for a refrigerator may include an outer door forming the front exterior; a cap decoration formed at the upper and lower sides of the outer door; a water pipe drawn into the door through the cap decoration and through which water flows; and a fixing member on which a depression part fixing the water pipe is formed.