Abstract: Embodiments of this disclosure relate to the multimedia processing field, and provide a video frame interpolation method, apparatus, and a device. In the video frame interpolation method in this disclosure, a first image at first time, a second image at second time, and sensor data captured by a dynamic vision sensor apparatus are obtained, and the sensor data includes dynamic event data between the first time and the second time. At least one target image is determined based on the first image, the second image, and the sensor data, where the at least one target image is an image corresponding to at least one target time between the first time and the second time. The dynamic event data is used to help compensate for motion information missing from existing image data. This implements accurate prediction of an intermediate image, and improves image prediction effect.

Abstract: The present disclosure discloses an application of cuprous sulfide in a recovery of Au (III) from aqueous solutions, which relates to the fields of hydrometallurgy and precious metal recovery. The method of the present disclosure uses cuprous sulfide nanoparticles to recover Au (III) from aqueous solution, and undergoes gold adsorption under mechanical stirring. The method described in the present disclosure can efficiently recover Au (III) from aqueous solutions, has good recovery effects on Au (III) from acidic waste liquid, and has the advantages of energy conservation, environmental protection, and low cost.

Abstract: An automatic charging apparatus for a furnace, including: a hopper provided with an inlet and an outlet opening; a buffer bin in which a buffer channel is provided, one end of the buffer channel including a discharge port communicating with the outlet opening, the other end being in communication with a feeding inlet of the furnace; a pushing mechanism configured to push feedstock in the buffer channel sequentially into the feeding inlet of the furnace, the pushing mechanism including a drive and a pushing element, the drive driving the pushing element to perform a reciprocating movement in the buffer channel so the feedstock in the buffer channel is sequentially pushed into the feeding inlet via the reciprocating movement of the pushing element. The solution can implement automatic charging of feedstock in the furnace, reduce labor intensity of operators, and realize accurate control of charging amount of the feedstock.

Abstract: The present disclosure discloses an application of cuprous sulfide in a recovery of Au (III) from aqueous solutions, which relates to the fields of hydrometallurgy and precious metal recovery. The method of the present disclosure uses cuprous sulfide nanoparticles to recover Au (III) from aquesous solution, and undergoes gold adsorption under mechanical stirring. The method described in the present disclosure can efficiently recover Au (III) from aqueous solutions, has good recovery effects on Au (III) from acidic waste liquid, and has the advantages of energy conservation, environmental protection, and low cost.

Abstract: A light-emitting diode display panel, a manufacturing method thereof, and an organic light-emitting diode display device are provided. The light-emitting diode display panel includes: a base substrate including a display region and a peripheral region surrounding the display region; a plurality of sub-pixels located in the display region and located at a side of the base substrate; a color-resistance layer located at a side of a second electrode in the sub-pixel away from the base substrate; and a light-blocking structure located in the peripheral region and being an annular structure surrounding the plurality of sub-pixels. The light-blocking structure includes a first light-blocking structure and a second light-blocking structure. The first light-blocking structure includes at least one interval extending in a direction from the display region pointing to the peripheral region. The second light-blocking structure at least fully fills the interval.

Abstract: A metal melting furnace including a stirring device as includes: a furnace body defining a chamber for accommodating molten metal; the stirring device including a stirring disc and a drive device, the stirring disc including a disc body, a feedstock holding portion, and a feedstock inlet via which feedstock is replenished to the feedstock holding portion, a stirring rod being connected on the disc body, a plurality of vertically through openings being provided on the disc body and/or on the feedstock holding portion, the drive device being in drive connection to the stirring rod, the drive device being configured to drive the stirring rod to lift such that the stirring disc is immersed in or lifted out of the molten metal in the chamber, the feedstock holding portion being configured to hold the feedstock on the stirring disc such that the feedstock move together with the stirring disc.

Abstract: A micromachined capacitive flow sensor includes a movable membrane having one or more venting holes and a perforated backplate having perforation holes or through holes. A gas gap (such as an air gap) is formed between the movable membrane and the perforated backplate. The movable membrane, the gas gap and the perforated backplate form a variable capacitor whose capacitance varies with a movement of the membrane relative to the perforated backplate. The sensor may be used to manufacture a packaged flow sensor product which may find numerous applications, for example, using the product as a switch to turn on and off the electric power to the heating elements of the aerosol delivery device in response to the puff and/or smoking action of the user.

Abstract: A micromachined capacitive flow sensor includes a movable membrane having one or more venting holes and a perforated backplate having perforation holes or through holes. A gas gap (such as an air gap) is formed between the movable membrane and the perforated backplate. The movable membrane, the gas gap and the perforated backplate form a variable capacitor whose capacitance varies with a movement of the membrane relative to the perforated backplate. The sensor may be used to manufacture a packaged flow sensor product which may find numerous applications, for example, using the product as a switch to turn on and off the electric power to the heating elements of the aerosol delivery device in response to the puff and/or smoking action of the user.

Abstract: Embodiments of the present application provide a silicon-based microphone apparatus and an electronic device. The silicon-based microphone apparatus comprises: a circuit board provided with at least two sound inlet holes; a shielding cover covering one side of the circuit board to form an acoustic cavity; at least two silicon-based microphone chips both provided on one side of the circuit board and located in the acoustic cavity, back cavities of the silicon-based microphone chips being communicated with the sound inlet holes in one-to-one correspondence; and a differential control chip, microphone structures of all the silicon-based microphone chips being sequentially electrically connected and then being electrically connected to an input end of the differential control chip.

Abstract: Provided in the embodiments of the present application are a silicon-based microphone device and an electronic device. The silicon-based microphone device comprises: a circuit board, provided with at least two sound inlets; a shielding cover, covering one side of the circuit board to form an acoustic cavity; at least two differential silicon-based microphone chips, both being provided on one side of the circuit board and arranged within the acoustic cavity; rear cavities of the differential silicon-based microphone chips being in communication in a one-to-one correspondence with the sound inlets; and a separating element, arranged within the acoustic cavity, and separating the acoustic cavity into acoustic subcavities corresponding to the rear cavities of at least some of the adjacent differential silicon-based microphone chips.

Abstract: Embodiments of the present application provide a silicon based microphone apparatus and an electronic device. The silicon based microphone apparatus comprises: a circuit board provided with at least one sound inlet hole; a shielding cover covering one side of the circuit board to form an acoustic cavity; at least two differential silicon based microphone chips arranged on one side of the circuit board and located within the acoustic cavity, back cavities of some differential silicon based microphone chips being communicated with the sound inlet holes in one-to-one correspondence; and a separator located within the acoustic cavity and used for separating the acoustic cavity into sub-acoustic cavities corresponding to the back cavities of at least some adjacent differential silicon based microphone chips.

Abstract: Provided are a silicon-based microphone device and an electronic apparatus. The silicon-based microphone device comprises: a circuit board, provided with at least two sound inlets; a shielding housing, covering one side of the circuit board; an even number of differential silicon-based microphone chips, which are arranged within an acoustic cavity, between every two differential silicon-based microphone chips, a first microphone structure of either differential silicon-based microphone chip being electrically connected to a second microphone structure of the other differential silicon-based microphone chip, and the second microphone structure of either differential silicon-based microphone chip being electrically connected to the first microphone structure of the other differential silicon-based microphone chip; and, a mounting plate, provided with at least one opening, the opening being in communication with some of the sound inlets.

Abstract: An audio capturing device comprises: a housing and a silicon-based microphone device arranged within the housing. The silicon-based microphone device comprises a circuit board and an even number of silicon-based microphone chips provided at one side of the circuit board. The circuit board is provided with at least one sound inlet. The at least one sound inlet is in communication in a one-to-one correspondence to rear cavities of some of the silicon-based microphone chips of the even number of silicon-based microphone chips. Sound channels in communication in a one-to-one correspondence to sound inlets are provided in the housing. The corresponding rear cavities, sound inlets, and sound channels form first acoustic cavities. The rear cavities form second acoustic cavities. The first acoustic cavities are different from the second acoustic cavities in terms of volume and/or shape.

Abstract: A sound collection device comprises a housing and a silicon-based microphone device located in the housing. The silicon-based microphone device comprises a circuit board and an even number of silicon-based microphone chips provided on one side of the circuit board; the circuit board is provided with an even number of sound inlet holes, and the even number of sound inlet holes have one-to-one correspondence to back cavities of the even number of silicon-based microphone chips; the housing is provided with sound channels in communication with the sound inlet holes in one-to-one correspondence; the correspondingly communicated back cavities and the sound inlet holes form acoustic cavities; or, the correspondingly communicated back cavities, sound inlet holes, and sound channels form acoustic cavities; and at least two acoustic cavities have different volumes and/or shapes.

Abstract: Provided are a silicon-based microphone device and an electronic apparatus. The silicon-based microphone device comprises: a circuit board, wherein at least two sound inlets are formed on the circuit board; a shielding housing that covers one side of the circuit board; an even number of differential silicon-based microphone chips that all are located in a sound cavity, wherein in each two differential silicon-based microphone chips, the first microphone structure of one differential silicon-based microphone chip is electrically connected to the second microphone structure of the other differential silicon-based microphone chip, and the second microphone structure of said one differential silicon-based microphone chip is electrically connected to the first microphone structure of said other differential silicon-based microphone chip; and a mounting plate, wherein an even number of holes communicated with the sound inlets are formed on the mounting plate.

Abstract: Provided are a silicon-based microphone device and an electronic device. The silicon-based microphone device comprises a circuit board, a shielding housing and at least two differential silicon-based microphone chips, wherein at least two sound inlet holes are provided on the circuit board, the shielding housing covers one side of the circuit board and forms a sound cavity with the circuit board, the silicon-based microphone chips are all located inside the sound cavity, the differential silicon-based microphone chips are respectively disposed at the sound inlet holes, and a back cavity of each differential silicon-based microphone chip is communicated with the sound inlet hole at the corresponding position, each of the differential silicon-based microphone chips comprises a first microphone structure and a second microphone structure, all of the first microphone structures are electrically connected, and all of the second microphone structures are electrically connected.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for obtaining data for a set of patients that each have a certain condition. A first and second sequence of data is determined based on the obtained data. A scoring model is generated by processing the first and second sequence of data to train a neural network. The scoring model determines a confidence that an individual has the particular healthcare condition. Patient scoring data is provided to the scoring model to determine the confidence that the individual has the healthcare condition. A confidence score is received as an output of the scoring model in response to providing the patient scoring data. The confidence score represents a determined confidence that the individual has the healthcare condition. An indication that represents the confidence that the individual has the healthcare condition is provided based on the received confidence score.

Abstract: Disclosed is a method for determining a whole macro-micro process of rock deformation and failure based on a four-parameter test, including following steps: firstly, obtaining acoustic emission data and deformation data of a sample in a compression test, and then calculating the deformation data according to a finite deformation theory to obtain a mean rotation angle ? at each stress level; using Grassberger-Procaccia (G-P) algorithm to calculate the acoustic emission data, and obtaining a fractal dimension of a temporal distribution DT of an acoustic emission signal and calculating a fractal dimension of a spatial distribution DS; obtaining a microscopic morphology of a fracture surface by scanning electron microscope (SEM) test after the compression test, and calculating a fractal dimension DA of the fracture surface; finally, obtaining a mathematical trend relationship between ? and DT, DS and DA according to a comprehensive analysis of DT, DS, DA and ?.