Abstract: An implementation for a splay state based on amplitude envelopes in the coupled oscillator system includes introducing a heterogeneous oscillator into the globally coupled identical oscillator network, when the frequency mismatch and repulsive coupling strength of the coupled heterogeneous oscillator system satisfy a certain relationship, the time series of the coupled oscillator will modulate an amplitude envelope, which can realize the generation of splay states between the amplitude envelopes of the identical oscillators except for the heterogeneous oscillator; applying the polar coordinate transformation and perturbation analysis in the condition of small coupling strength, it is easy to obtain the evolution equation of the amplitude envelope from the coupled heterogeneous oscillators. Solving the evolution equation of the amplitude envelope, the average amplitude, amplitude, and other parameters of the amplitude envelope in the splay state can be theoretically determined.

Abstract: A method and an apparatus for generation a high definition map, a device and a computer storage medium, which relate to automatic driving and deep learning technologies in the field of artificial intelligence technologies, are disclosed. An implementation includes: acquiring point cloud data and front-view image data which are collected respectively by a plurality of collecting devices at a plurality of location points to obtain a sequence of point clouds and a sequence of front-view images; performing registration of the front-view images and the point clouds on the sequence of point clouds and the sequence of front-view images; transforming the sequence of front-view images into a top-view image based on the result of the registration and determining coordinate information of each pixel in the top-view image; and identifying map elements of the top-view image to obtain the high definition map.

Abstract: The present invention addresses the problem of providing: a novel magnetic material for high frequency use, the magnetic material solving problems such as eddy current loss since the magnetic material has higher electrical resistivity than metal magnetic materials, while having higher magnetic permeability than ferrite magnetic materials; and a method for producing this magnetic material for high frequency use. The present invention uses a rare earth-iron-M-nitrogen magnetic material (wherein M represents at least one element that is selected from among Ti, V, Mo, Nb, W, Si, Al, Mn and Cr) which is a nitride magnetic material that has a controlled crystal structure and a controlled composition.

Abstract: The present invention relates to a resistance-based on-chip temperature sensor which may autonomously operate in a chip. A resistance-based on-chip temperature sensor according to an exemplary embodiment of the present invention includes: a first RC oscillator having an in-chip first resistor as a component; a second RC oscillator having an in-chip second resistor as the component; and a control unit determining the temperature of the chip according to what difference between the numbers of clocks output from the first and second RC oscillators, respectively is for the same time.

Abstract: The present exemplary embodiments relate to positive electrode active materials. The positive electrode active material according to an exemplary embodiment is a metal oxide particle including a center and a surface portion positioned on the surface of the center, where the metal oxide particle includes nickel, cobalt, manganese, and doping elements, and is composed of single particles, and the doping elements include two or more species selected from the group consisting of Zr, Al, B, P, La, Ta, Ti, W, Mo, Si, Ga, Zn, Nb, Ag, Sn, Bi, Au, Y, Ge, V, Cr, and Fe.

Abstract: An apparatus for removing proteins taken up in a carrier liquid, which includes a granular adsorbent for proteins. Also, a method for removing proteins taken up in a carrier liquid, with a corresponding apparatus. Further, the use of a corresponding apparatus, for extracting proteins from a liquid and more particularly from an unclarified feedstock.

Abstract: The present disclosure relates to a technology for skeleton-based action recognition based on a graph convolutional network, in which an action processing device receives a frame including a skeleton with respect to actions of an object, extracts spatiotemporal features with respect to the skeleton by using a rank adjacency matrix in which a distance between one node and another node and an adjacency ranking are considered, merges an object and vertices in the input frame based on the extracted spatiotemporal features, and performs a classification task.

Abstract: In accordance with the present invention, the drone includes a frame having a plurality of arms, a plurality of rotors connected to the plurality of arms, and propellers fixed on the plurality of rotors. The drone also includes an arm hammer part disposed on at least one of the plurality of arms and a rotor hammer part disposed on at least one of the plurality of rotors. A structure capable of destroying a glass window at once is mounted on the quadcopter drone, and a number of quadcopter drones, corresponding to the number of glass windows that need to be destroyed, are coupled so that almost all glass windows of a building where a disaster has occurred can be destroyed at once. As a result, evacuation and rescue activities for people trapped inside the building can be performed efficiently and safely through glass windows, and flexible response is possible even in situations where it is difficult to destroy glass windows from the inside during a disaster.

Abstract: The present invention relates to an adhesive for a stoma and an adhesive tape for a stoma comprising the same. Specifically, the present invention relates to: an adhesive for a stoma, which can be attached to an affected part, having high adhesion, and has improved functionality for easy detachment from the skin; and an adhesive tape for a stoma comprising the same.

Abstract: The present disclosure relates to a heat sink paste, a heat sink film and manufacturing methods therefor. The heat sink paste according to an embodiment of the present disclosure includes an elastic polymer resin and conductive particles dispersed in the elastic polymer resin, wherein the conductive particles include solid metal particles and liquid metal particles.

Abstract: In a power transmission mechanism 20, a line connecting a center shaft 21 of a reference gear member 40 and a first shaft 44 of a first planetary gear member 42 and a line connecting the center shaft 21 of the reference gear member 40 and a second shaft 47 of a second planetary gear member 45 form a specific angle ?. Rotation in one direction is prevented when a first carrier member 22 and a second carrier member 32 are relatively rotated in a direction to decrease the specific angle ?. Further, a rotation prevention release unit is provided to release a prevention state of the rotation when the first carrier member 22 and the second carrier member 32 are relatively rotated in a direction to increase the specific angle ?.

Abstract: A method for breeding a new variety of a ratoon rice crop and a cultivation method for the new variety of a ratoon rice crop. The method comprises: breeding a photosensitive variety of a rice crop; growing a ratoon rice crop under conditions of a long photoperiod; and taking corresponding cultivation measures to extend the growth duration of the ratoon rice crop. The invention increases grain yield while also permitting more uniform maturity of a ratoon rice crop. When compared to existing methods for cultivating ratoon rice crops, the invention greatly improves the grain yield and quality of a ratoon rice crop, and has economic and social benefits.

Abstract: The present invention relates to a method and apparatus for estimating a road surface type by using an ultrasonic signal and, more particularly, to a method for estimating a road surface type by using an artificial neural network model machine-learned with respect to a reflected ultrasonic signal and an apparatus for performing same. According to the present invention, provided are a method and apparatus for providing highly accurate road surface information at low cost, by machine-learning both characteristics of an ultrasonic signal reflected from a road surface and a road surface state, establishing a model between the two, and then estimating the type of the road surface by utilizing the model. In particular, even a road surface where thin ice, that is, black ice, is formed, which was not detectable in the conventional method for estimating a road-surface friction coefficient, may be accurately estimated, thereby contributing to safer driving.

Abstract: According to an embodiment of the present invention, a composition for diagnosing or predicting the prognosis of lung cancer is provided, the composition including a primer, probe, or antibody that specifically binds to a GRIP and coiled-coil domain-containing protein (GCC2) gene or protein in an exosome.

Abstract: An aluminum borate whisker reinforced and toughened non-metallic matrix composite is provided, which specifically includes a non-metallic material reinforced and toughened with aluminum borate whiskers. The composite exhibits a higher bending strength and fracture toughness and a higher wear resistance. A method for preparing the composite is also provided. The method includes mixing the aluminum borate whiskers and the non-metallic material to form a mixture; and sintering the mixture by a vacuum hot press method, or molding the mixture.

Abstract: The present invention provides a fast-curing molding process for epoxy resin. The method includes the following steps: S1, mixing epoxy resin A glue and a protein-grafted manganese-zinc-iron oxide nanomaterial well into a colloidal state, and grounding the mixture for 10 to 30 min; S2, adding epoxy resin B glue to the mixed colloid in S1, and performing ultrasonic dispersion at 20 to 30° C. for 10 to 30 min; and S3, placing the mixture obtained after ultrasonic dispersion in S2 in a vacuum environment for 20 to 40 min, then taking the mixture out and injecting the mixture into a mold, placing the mold and the mixed colloid into an electromagnetic induction heater, placing the electromagnetic induction heater in a magnetic field environment with a magnetic field intensity of 1 to 1.5 mT for 2 to 3 h, cooling and then taking them out to obtain the cured epoxy resin.

Abstract: Provided are a method of generating a note, an electronic device, and a storage medium, which relate to a field of artificial intelligence, and in particular to fields of information processing and e-book technology. The method includes: displaying, in a process of displaying an e-book reading page, at least one note combination option for a first note generation instruction, in response to the first note generation instruction being detected; determining a second note generation instruction associated with a target note combination option, in response to an operation of selecting the target note combination option from the at least one note combination option; and combining a current character content associated with the first note generation instruction with a target character content associated with the second note generation instruction, so as to generate a combined note content.

Abstract: A method for providing virtual contents in a virtual space based on a common coordinate system includes: detecting a base marker for identifying a fixed point of an actual operation space, and a target marker for identifying an actual operation object, from initial image data indicating an initial state of the actual operation object in the actual operation space; calculating an initial model matrix of a target marker expressing an initial position and orientation of the target marker, and a model matrix of the base marker expressing a position and an orientation of the detected base marker in a virtual operation space having a common coordinate system which has the detected base marker as a reference; and calculating a current model matrix of the target marker expressing a current position and orientation of the target marker by using the calculated model matrix of the base marker.

Abstract: Disclosed is a device with a stator and a rotor, the device comprising: a stator; a rotor, wherein an air gap is provided between the rotor and the stator; and an air gap protection device fixedly connected to the stator, wherein the radial distance between the air gap protection device and the rotor is less than the radial distance between the stator and the rotor, and the air gap protection device rotates relative to the rotor when in contact with the rotor. By arranging the air gap protection device fixedly connected to the stator, the air gap protection device can rotate relative to the rotor when in contact with the rotor, and the radial distance between the air gap protection device and the rotor is less than the radial distance between the stator and the rotor.

Abstract: Disclosed is a cyber-physical system for detecting a pole-dynamics attack, including an attack detector configured to receive a sensor signal output from a physical system and to output an attack detection signal based on the received sensor signal, and a mode controller configured to receive the sensor signal and to output an input control signal for controlling the physical system based on the received sensor signal, wherein the mode controller controls a normal control (NC) mode and an attack detection control (ADC) mode for detecting pole-dynamics attack (PDA) from an output to be repeatedly executed at a preset switching period.