Abstract: A negative electrode active material for a lithium secondary battery, which includes a silicon-based particle represented by M-SiOx, wherein M is Li, Mg, Ca, Al, or Ti, and 0?x<2, wherein the M-SiOx includes an amorphous phase at 20 wt % to 70 wt % based upon a total weight of the M-SiOx, thereby exhibiting excellent initial efficiency and lifespan characteristics, and a preparation method thereof.

Abstract: According to embodiments, modeling through evaluation of thermal-hydraulic analysis of a unique containment facility may be provided. Also, orders for nuclear power plants in other countries may be obtained, and a relative technological advantage may be achieved among nuclear power plant developing countries. In addition, a power plant may be designed through conservative and realistic modeling, and costs required for power plant design may be reduced by optimizing a design margin of a containment facility.

Abstract: Disclosed herein is a method for task planning for collaboration of artificial intelligence (AI) agents. The method includes generating a scene graph using an image acquired by an AI agent and a human instruction and generating a machine instruction set for objects in the scene graph, and the scene graph includes relevance information between each of the objects in the scene graph and the human instruction.

Abstract: Disclosed herein are an apparatus and method for detecting a keypoint based on deep learning robust to scale changes based on information change across receptive fields. The apparatus for detecting a keypoint based on deep learning robust to scale changes based on information change across receptive fields includes a feature extractor for extracting a feature from an input image based on a pre-trained deep learning neural network, an information accumulation pyramid module for outputting, from the feature, at least two filter responses corresponding to receptive fields having different scales, an information change detection module for calculating an information change between the at least two filter responses, a keypoint detection module for creating a score map having a keypoint probability of each pixel based on the information change, and a continuous scale estimation module for estimating a scale of a receptive field having a biggest information change for each pixel.

Abstract: The present disclosure relates to a method for recovering ammonia, the method comprising (a) preparing a gas containing ammonia,(b) supplying the gas containing ammonia to a mixed solution of an aqueous solution of sulfuric acid and a antisolvent of ammonium sulfate, to obtain ammonium sulfate crystals, and (c) separating the ammonium sulfate crystals from the mixed solution, wherein a volume ratio of the antisolvent of ammonium sulfate to the aqueous solution of sulfuric acid is greater than 1.

Abstract: The present invention relates to: a negative electrode active material including silicon-based composite particles containing SiOx (0<x<2) and a MgSiO3 phase, wherein the MgSiO3 phase includes a first MgSiO3 phase having an enstatite structure and a second MgSiO3 phase having a clinoenstatite structure at a weight ratio of 1:1 to 1:5; a negative electrode including the same; and a secondary battery including the negative electrode.

Abstract: A rendering method of an object-based audio signal and an apparatus for performing the same are provided. The rendering method of an object-based audio signal includes obtaining a rendered audio signal, performing clipping prevention on the rendered audio signal using a first limiter, mixing a signal output by the first limiter using a mixer, and performing clipping prevention on the mixed signal using a second limiter.

Abstract: An audio rendering method and an electronic device performing the same are disclosed. The disclosed audio rendering method includes determining an air absorption attenuation amount of an audio signal based on a recording distance included in metadata of the audio signal and a source distance between a sound source of the audio signal and a listener; and rendering the audio signal based on the air absorption attenuation amount.

Abstract: A negative electrode composition, a negative electrode for a lithium secondary battery including the same, a lithium secondary battery, and a method for preparing the negative electrode composition are provided. The negative electrode composition comprises a silicon carbon composite, a graphite, and a negative electrode conductive material, wherein a BET specific surface area of the silicon carbon composite is larger than a BET specific surface area of the graphite.

Abstract: A method of rendering object-based audio and an electronic device performing the method are provided. The method includes identifying a bitstream, determining a reference distance of an object sound source based on the bitstream, determining a minimum distance for applying distance-dependent attenuation, based on the reference distance, and determining a gain of object-based audio included in the bitstream based on the reference distance and the minimum distance.

Abstract: A negative electrode active material for a lithium secondary battery which includes: silicon particles; and a coating layer surrounding respective silicon particles, wherein the silicon particles have a full width at half maximum (FWHM) of peak ranging from 2 to 10 in the particle diameter distribution having an average particle diameter (D50) of 1 ?m to 30 ?m, and the coating layer includes at least one selected from the group consisting of carbon and a polymer. A negative electrode and lithium secondary battery including the negative electrode active material are also disclosed.

Abstract: A lithium secondary battery includes a cathode having a cathode active material, an anode having an anode active material, a separator, and an electrolyte. The cathode active material comprises a lithium composite transition metal compound having Ni, Co, and Mn, and has single particles and/or pseudo-single particles. Each single particle consists of one nodule, and each pseudo-single crystal is a composite of 30 or fewer nodules. The single particles and/or pseudo-single particles have an average particle diameter (D50) of 1 ?m or more. The anode active material has a silicon carbon composite having an average particle diameter (D50) of more than 1 ?m. The average particle diameter (D50) of the single particles and/or pseudo-single particles is smaller than the average particle diameter (D50) of the silicon carbon composite.

Abstract: An encoding/decoding apparatus and method for controlling a channel signal is disclosed, wherein the encoding apparatus may include an encoder to encode an object signal, a channel signal, and rendering information for the channel signal, and a bit stream generator to generate, as a bit stream, the encoded object signal, the encoded channel signal, and the encoded rendering information for the channel signal.

Abstract: Provided is a negative electrode active material for a lithium secondary battery which includes: a silicon-silicon oxide-magnesium silicate composite comprising a silicon oxide (SiOx, 0<x?2) matrix; and silicon (Si) crystal grains, MgSiO3 crystal grains and Mg2SiO4 crystal grains present in the silicon oxide matrix, wherein the MgSiO3 crystal grains have a crystal size of 5-30 nm and the Mg2SiO4 crystal grains have a crystal size of 20-100 nm in the silicon-silicon oxide-magnesium silicate composite, and the content ratio of MgSiO3 crystal grains to Mg2SiO4 crystal grains is 2:1-1:1 on the weight basis. A method for preparing the negative electrode active material for a lithium secondary battery is also provided.

Abstract: Disclosed is an apparatus and method for processing a multichannel audio signal. A multichannel audio signal processing method may include: generating an N-channel audio signal of N channels by down-mixing an M-channel audio signal of M channels; and generating a stereo audio signal by performing binaural rendering of the N-channel audio signal.

Abstract: A method for generating a mask pattern to be employed in a patterning process. The method including obtaining (i) a first feature patch including a first polygon portion of an initial mask pattern, and (ii) a second feature patch including a second polygon portion of the initial mask pattern; adjusting the second polygon portion at a patch boundary between the first feature patch and the second feature patch such that a difference between the first polygon portion and the second polygon portion at the patch boundary is reduced; and combining the first polygon portion and the adjusted second polygon portion at the patch boundary to form the mask pattern.

Abstract: A silicon-carbon complex comprising carbon-based particles and silicon-based particles, wherein the silicon-based particles are dispersed and positioned on surfaces of the carbon-based particles, the carbon-based particles have a specific surface area of 0.4 m2/g to 1.5 m2/g, and the silicon-based particles are doped with one or more elements selected from the group consisting of Mg, Li, Ca, and Al, and a negative electrode active material for lithium secondary battery comprising the same.

Abstract: A negative electrode active material as well as a method of preparing a negative electrode active material which includes preparing a silicon-based compound including SiOx, wherein 0.5<x<1.3; disposing a polymer layer including a polymer compound on the silicon-based compound; disposing a metal catalyst layer on the polymer layer; heat treating the silicon-based compound on which the polymer layer and the metal catalyst layer are disposed; and removing the metal catalyst layer, wherein the polymer compound includes any one selected from the group consisting of glucose, fructose, galactose, maltose, lactose, sucrose, a phenolic resin, a naphthalene resin, a polyvinyl alcohol resin, a urethane resin, polyimide, a furan resin, a cellulose resin, an epoxy resin, a polystyrene resin, a resorcinol-based resin, a phloroglucinol-based resin, a coal-derived pitch, a petroleum-derived pitch, a tar and a mixture of two or more thereof.

Abstract: Provided is a negative electrode active material including secondary particles assembled from silicon composite primary particles represented by Mg—SiOx (0<x<2) and artificial graphite primary particles, wherein the secondary particles assembled from silicon composite primary particles and artificial graphite primary particles are surface-coated with an amorphous carbon coating layer. The lithium secondary battery using the negative electrode active material can retain conductivity even after charge/discharge and can be prevented from degradation of cycle characteristic.

Abstract: A negative electrode active material including: silicon-containing composite particles including (a) SiOx, wherein 0<x<2, (b) pores, and (c) a Mg compound or a Li compound; an outer carbon layer present on the surface of the silicon-containing composite particle; and an inner carbon layer present inside the pores, in which a BET specific surface area of the negative electrode active material is 3 m2/g to 15 m2/g, a negative electrode including the same, a secondary battery including the negative electrode and a method for preparing the negative electrode active material.