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: An embodiment electrolyte solution includes a lithium salt, a solvent, and a functional additive, wherein the functional additive includes 4-((tert-butoxydimethylsilyl)methyl)-5-methyl-1,3-dioxol-2-one represented by as an electrode film additive. An embodiment lithium secondary battery includes the above-described electrolyte solution, a positive electrode including a positive electrode active material including Ni, Co, and Mn, a negative electrode including a carbon-based negative electrode active material or a silicon-based negative electrode active material, and a separator interposed between the positive electrode and the negative electrode.

Abstract: An apparatus for predicting a collision of a vehicle with a surrounding object around the vehicle includes: a surrounding object information detection unit configured to obtain current state information on the object; a lane detection unit configured to obtain information on a lane on which the vehicle travels; a risk level determination unit configured to calculate a collision risk level between the object and the vehicle using state information on the object; a surrounding environment prediction unit configured to predict future state information on the object using an estimation algorithm or a deep learning algorithm; an information integration unit configured to integrate the current state information, the lane information, the collision risk level, and the future state information to generate a simplified bird's eye view; and a collision mode determination unit configured to predict collision modes by using the simplified bird's eye view.

Abstract: A method of preparing isopropyl alcohol, where a propylene monomer and water are reacted in a reactor to produce a reaction product including isopropyl alcohol, and the reaction product stream is separated into unreacted propylene monomer and isopropyl alcohol with high purity using an absorption column, a first gas purification column, a second gas purification column, and an inert gas removal column.

Abstract: A method of preparing isopropyl alcohol that allows separation of a reaction product stream formed by reacting a propylene monomer and water in a reactor into an unreacted propylene monomer and isopropyl alcohol with high purity using an absorption column, a gas purification column, and an inert gas removal column.

Abstract: A polarizing plate and an optical display including the same are provided. The polarizing plate is composed of a display region and a non-display region surrounding the display region, and includes: a polarizer; and a bonding layer and a first polarizer protective film sequentially stacked on an upper surface of the polarizer. A light shielding layer includes a UV absorbent material and is embedded in the bonding layer to constitute at least a portion of the non-display region. The light shielding layer is formed on at least one surface of the first polarizer protective film.

Abstract: The present disclosure relates to a sleeve gastrectomy aid device including: a guide configured to be inserted into a stomach of a patient; an expander configured to be disposed outside the guide and have a volume that changes according to an amount of air therein; a first measurer configured to measure a pressure applied to the expander and have a shape that changes in accordance with a change in the volume of the expander; and a monitor configured to be connected to the first measurer and provide resection position information through a value of the pressure measured by the first measurer.

Abstract: An embodiment electrolyte solution includes a lithium salt, a solvent, and a functional additive, wherein the functional additive includes an electrode film additive of 2-(dodec-1-en-2-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane represented by An embodiment lithium secondary battery includes this electrolyte solution, a positive electrode including a positive-electrode active material including Ni, Co, and Mn, a negative electrode including a negative-electrode active material including a carbon (C)-based material or a silicon (Si)-based material, and a separator interposed between the positive electrode and the negative electrode.

Abstract: The present invention provides a non-aqueous electrolyte solution for a lithium secondary battery and a lithium secondary battery including the same. Specifically, since the non-aqueous electrolyte solution forms a robust solid electrolyte interphase (SEI) by including a lithium salt, an organic solvent, and a compound represented by Formula 1, the non-aqueous electrolyte solution for a lithium secondary battery may improve battery performance, wherein, in Formula 1, R and R1 are described herein.

Abstract: Provided are a silicon nitride film etching composition, a method of etching a silicon nitride film using the same, and a manufacturing method of a semiconductor device. Specifically, a silicon nitride film may be highly selectively etched as compared with a silicon oxide film, and when the composition is applied to an etching process at a high temperature and a semiconductor manufacturing process, not only no precipitate occurs but also anomalous growth in which the thickness of the silicon oxide film is rather increased does not occur, thereby minimizing defects and reliability reduction.

Abstract: Disclosed herein are a video decoding method and apparatus and a video encoding method and apparatus. Coding decision information of a representative channel of a target block is shared as coding decision information of a target channel of the target block, and decoding of the target block is performed using the coding decision information of the target channel. Since the coding decision information of the representative channel is shared with an additional channel, repeated signaling of identical coding decision information may be prevented. By means of this prevention, the efficiency of encoding and decoding of the target block or the like may be improved.

Abstract: A quantum dot including a core comprising a first semiconductor nanocrystal including a zinc chalcogenide and a semiconductor nanocrystal shell disposed on the surface of the core and comprising zinc, selenium, and sulfur. The quantum dot does not comprise cadmium, emits blue light, and may exhibit a digital diffraction pattern obtained by a Fast Fourier Transform of a transmission electron microscopic image including a (100) facet of a zinc blende structure. In an X-ray diffraction spectrum of the quantum dot, a ratio of a defect peak area with respect to a peak area of a zinc blende crystal structure is less than about 0.8:1. A method of producing the quantum dot, and an electroluminescent device including the quantum dot are also disclosed.

Abstract: An air conditioner includes a cabinet including an inlet port and a frame including an outlet port and coupled to the cabinet. A heat exchanger is disposed between the cabinet and the frame to exchange heat with air introduced into the inlet port and discharged to the outlet port. A blocking member is configured to connect the frame and the heat exchanger to prevent air heat-exchanged with the heat exchanger from leaking into the cabinet. This structure inhibits dew from being generated on the cabinet.

Abstract: A quantum dot including: a core including a first semiconductor nanocrystal material including zinc, tellurium, and selenium; and a semiconductor nanocrystal shell disposed on the core, the semiconductor nanocrystal shell including zinc, selenium, and sulfur, wherein the quantum dot does not include cadmium, and in the quantum dot, a mole ratio of the sulfur with respect to the selenium is less than or equal to about 2.4:1. A production method of the quantum dot and an electronic device including the same are also disclosed.

Abstract: A semiconductor nanocrystal particle, a production method thereof, and a light emitting device including the same. The semiconductor nanocrystal particle includes a core including a first semiconductor nanocrystal, a first shell surrounding the core, the first shell including a second semiconductor nanocrystal including a different composition from the first semiconductor nanocrystal, a second shell surrounding the first shell, the second shell including a third semiconductor nanocrystal including a different composition from the second semiconductor nanocrystal, wherein the first semiconductor nanocrystal includes zinc and sulfur; wherein the third semiconductor nanocrystal includes zinc and sulfur; wherein an energy bandgap of the second semiconductor nanocrystal is less than an energy bandgap of the first semiconductor nanocrystal and less than an energy bandgap of the third semiconductor nanocrystal; and wherein the semiconductor nanocrystal particle does not include cadmium.

Abstract: The present disclosure relates to a method of preparing a polymer, which includes: adding an alkyl-substituted aromatic vinyl-based monomer and a vinyl cyanide-based monomer to a reactor and initiating polymerization; and performing polymerization while continuously adding an alkyl-substituted aromatic vinyl-based monomer and a multifunctional initiator to the reactor, wherein the continuous addition of the alkyl-substituted aromatic vinyl-based monomer and the multifunctional initiator is initiated when a polymerization conversion rate is 10 to 30%, and the continuous addition of the alkyl-substituted aromatic vinyl-based monomer and the multifunctional initiator is terminated when a polymerization conversion rate is 70 to 80%.

Abstract: The present invention relates to a nucleic acid based self-assembled complex for Raman detection of a target nucleic acid, and use thereof. The present invention provides a nucleic acid based self-assembled complex of turn-off based way for detecting a target nucleic acid, which has a structural stability so as produce a reproducible scattering light signal regardless of Brownian motion in liquid and relates to a method of detecting a target nucleic acid as an optical signal such as a Raman signal through a nucleic acid based self-assembled complex performing Brownian motion in a liquid phase.

Abstract: A solid electrolyte membrane for a solid-state battery and a battery comprising the same is provided. The battery may comprise lithium metal as a negative electrode active material. The solid electrolyte membrane comprises an inhibiting layer, which is preferably capable of inhibiting growth of lithium dendrite, because it includes an effective amount of a dendrite growth-inhibiting material, which is capable of ionizing lithium deposited in the form of metal. Thus, when lithium metal is used as a negative electrode for a solid-state battery comprising the solid electrolyte membrane, it is possible to delay and/or inhibit growth of lithium dendrite, and thus to effectively prevent an electrical short-circuit caused by dendrite growth.

Abstract: Method of producing aromatic hydrocarbons including: supplying a raw material stream to a C6 separation column, supplying an upper discharge stream from the C6 separation column to a first gasoline hydrogenation unit, and supplying a lower discharge stream from the C6 separation column to a C7 separation column; supplying an upper discharge stream from the C7 separation column to a hydrodealkylation reaction unit and supplying a lower discharge stream from the C7 separation column to a C8 separation column; separating benzene from discharged streams from the first gasoline hydrogenation unit and the hydrodealkylation reaction unit; removing a lower discharge stream from the C8 separation column and supplying an upper discharge stream from the C8 separation column to a second extractive distillation column; and separating styrene from a lower discharge stream of the second extractive distillation column and separating xylene from an upper discharge stream of the second extractive distillation column.

Abstract: Provided is an atypical environment-based location recognition apparatus. The apparatus includes a sensing information acquisition unit configured to, from sensing data collected by sensor modules, detect object location information and semantic label information of a video image and detect an event in the video image; a walk navigation information provision unit configured to acquire user movement information; a metric map generation module configured to generate a video odometric map using sensing data collected through a sensing information acquisition unit and reflect the semantic label information; and a topology map generation module configured to generate a topology node using sensing data acquired through the sensing information acquisition unit and update the topology node through the collected user movement information.