Abstract: An article transfer system includes a plurality of stage modules respectively provided at a plurality of layers, an interlayer transfer apparatus configured to transfer an article to each of the plurality of stage modules, and a plurality of loading and unloading apparatus respectively provided on each stage module of the plurality of stage modules, the plurality of loading and unloading apparatus configured to load an article onto respective stage modules of the plurality of stage modules. The interlayer transfer apparatus includes a mast frame extending so as to intersect each stage module of the plurality of stage modules, and a plurality of carriage units configured to move along a length direction of the mast frame, transfer articles, and move in a parallel manner with each other.

Abstract: A method for calculating an altitude of a target through an apparatus for calculating an altitude of the target, which comprises a plurality of MIMO radar virtual antennas, may comprise: receiving electromagnetic waves reflected from the target through a pair of virtual antennas classified into an upper antenna and a lower antenna and alternately arranged in two columns linearly; obtaining range information and phase information of the target from the pair of virtual antennas by analyzing the electromagnetic waves; and calculating altitude information of the target from position information of the pair of virtual antennas, and the range information and the phase information.

Abstract: A smoke detection apparatus based on multiple wavelengths is provided, which includes: a chamber configured to receive an inflow of a smoke; a detector including a light emitter having a plurality of light sources that radiate light having a plurality of different wavelengths into a space in the chamber, and a light receiver configured to receive scattered light by the plurality of light sources; and a controller configured to control an operation of the detector and to distinguish between fire smoke and non-fire quasi-smoke by detecting and analyzing a light receiving signal of the light receiver.

Abstract: A method of operating a host device includes transmitting a read command that requests information related to an eye open monitor (EOM) operation performed in a memory device to the memory device, and receiving a response signal including the information related to the EOM operation performed in the memory device from the memory device.

Abstract: Provided is a polylactide resin composition prepared by combining specific nucleating agents and heat-treating them, and is characterized by having an excellent crystallinity degree. The polylactide resin composition comprises a polylactide resin, a first nucleating agent, and a second nucleating agent heat-treated at 25 to 120° C. for 1 to 30 minutes, wherein the first nucleating agent is uracil or orotic acid, and the second nucleating agent is a compound containing a lactide oligomer structure.

Abstract: A sound control device mounted in a vehicle and control method include measuring a drive signal input to a speaker, wherein the drive signal is generated in response to an input signal including at least one of a noise control signal and an audio signal, estimating a state of a voice coil of the speaker including at least one of displacement and temperature of the voice coil, based on the drive signal and a model of the speaker, and adjusting the input signal based on the state of the voice coil.

Abstract: A multilayer electronic component includes a body including a dielectric layer and an internal electrode alternately disposed with the dielectric layer interposed therebetween in a first direction; and an external electrode disposed on the body and connected to the internal electrode, wherein 0.46 to 1.08 at % is a range of an indium (In) content compared to nickel (Ni) and indium (In) contents in a surface layer portion of the internal electrode.

Abstract: A method for preparing a UO2 mixture powder for nuclear fuel manufacturing, comprises the steps of: (a) weighing and sieving, by means of an automatic injection device, a UO2 powder, a porogen and a lubricant, and injecting same into a UC container; and (b) mixing the UO2 powder, the porogen and the lubricant by means of an IBC blender. According to a method for preparing a UO2 mixture powder for nuclear fuel manufacturing, mixing time is short, and degrees of mixing and homogeneity of a prepared UO2 mixture powder are excellent.

Abstract: Disclosed is a ray clustering learning method based on weakly-supervised learning for denoising using ray tracing. The ray clustering learning method is for learning a denoising model for removing noise from a rendered image through ray tracing, and includes extracting a feature of a simulated ray through the ray tracing and clustering the ray through contrastive learning for the feature.

Abstract: An electrolyte solution for a lithium secondary battery includes an organic solvent, a lithium salt, and a pentaerythritol diphosphite-based compound including at least one substituent selected from the group consisting of a silyl group, a sulfonyl group, a phosphoryl group and a phosphino group. A lithium secondary including the electrolyte solution is provided.

Abstract: Provided are a composition for an organic optoelectronic device, an organic optoelectronic device including the same, and a display device, the composition for an organic optoelectronic device including a first compound represented by Chemical Formula 1, and a second compound represented by a combination of Chemical Formula 2 and Chemical Formula 3. Details of Chemical Formula 1 to Chemical Formula 3 are as defined in the specification.

Abstract: An aerosol generating device according to an embodiment including a storage unit in which an aerosol generating material is stored, a liquid delivery element configured to absorb the aerosol generating material stored in the storage unit, an atomizer including a vibrator configured to generate ultrasonic vibration and atomize the aerosol generating material absorbed by the liquid delivery element with an aerosol, and a processor configured to control power supplied to the vibrator, wherein the processor is further configured to sense an output value in response to a pulse signal having a certain frequency and set an operating frequency for preheating based on the sensed output value.

Abstract: A display device according to an embodiment includes: a substrate; a transistor that is disposed on the substrate; a light emitting diode that is disposed on the substrate, and connected to the transistor; and a passivation layer that is disposed between the transistor and the light emitting diode, wherein a surface step of the passivation layer is within a range of and including 1 nm to 30 nm.

Abstract: This disclosure generally relates to a method for manufacturing a Group III-nitride semiconductor light emitting structure. In particular, it relates to a method for manufacturing a Group III-nitride semiconductor light emitting structure capable of shifting the emission wavelength towards to a longer wavelength through an appropriate barrier (the Group III-nitride semiconductor is composed of a compound of Al(x)Ga(y)In(1-x-y)N (0?x?1, 0?y?1, 0?x+y?1)).

Abstract: Provided is a lithium secondary battery comprising: a cathode comprising a cathode active material, an anode comprising an anode active material, a separator interposed between the cathode and the anode, and an electrolyte for a secondary battery, wherein the cathode active material is Lix(NiaCobMnc)O2, wherein 0.90?x?1.10, 0.5?a?0.99, 0.005?b<0.5, 0.005?c<0.5, and a+b+c=1, and the electrolyte for a secondary battery comprises a lithium salt, a nonaqueous organic solvent, and a cyclic phosphate compound represented by the following Chemical Formula 2: wherein R1 to R6 and R? and R? are independently of one another hydrogen or C1-C4 alkyl; L2 is —CR7R8—; and R7 and R8 are independently of each other C1-C4 alkyl .

Abstract: An aerosol generating device includes a storage configured to store an aerosol generating material, a liquid delivery element configured to absorb the aerosol generating material stored in the storage, and an atomizer configured to atomize the aerosol generating material absorbed by the liquid delivery element into an aerosol by generating ultrasonic vibrations, wherein the atomizer includes an oscillator, and the oscillator has a capacitance value of 0.6 nF to 1.1 nF.

Abstract: A fire detection method is provided. The fire detection method calculates a singular value for determining whether smoke penetrating into a chamber is caused by a fire or a non-fire by using the processor, based on n number of normalized values of scattered light and n number of normalized values of transmitted light.

Abstract: A body for an aerosol generating device includes: a housing assembly including an accommodation space for receiving at least a portion of a cartridge; a battery for supplying power to the cartridge received in the accommodation space; a first printed circuit board located inside the housing assembly; and a bracket located inside the housing assembly and supporting the first printed circuit board and the battery.

Abstract: The present disclosure provides a computerized method item correlation including: receiving an indication of an order comprising at least one item; determining if the order is urgent based on an amount of time remaining until the items must ship to a customer; determining a location of each of a plurality of pickers; iteratively, for items in the order: identifying a picker closest to the item, the picker having a current job priority; correlating the closest picker and the item in a data structure; re-correlating, in the data structure, at least one item previously correlated with the closest picker to an alternate picker in response to the current job priority not being urgent; sending, to a user device of the closest picker, a location and item identifier associated with the item; and storing, in the data structure, a completion flag in correlation with the item upon receipt of an item-complete message.

Abstract: Provided is a refrigerator including a main body, a first storage chamber and a second storage chamber provided inside the main body with front sides thereof open, an evaporator, while being arranged inside the main body, configured to generate cold air and arranged behind the first storage chamber, a first duct configured to supply the cold air generated from the evaporator to the first storage chamber, a second duct configured to supply cold air to the second storage chamber, and a connection duct configured to connect the first duct and the second duct to cause the cold air inside the first duct to flow into the second duct, and a damper configured to selectively open and dose the connection duct, wherein the damper is provided inside the first duct, and the second duct has a front surface in a form of a flat surface.