Abstract: A method, device, computing equipment, and storage medium for predicting the drift of the floating object are provided. A method for predicting drift velocity includes: obtaining environmental characteristic parameters at the location of the floating object to be predicted, wherein the environmental characteristic parameters include wave characteristic parameters; inputting the wave characteristic parameters into a deep learning model for wave-induced drift velocity to obtain the wave-induced drift velocity; wherein the deep learning model for wave-induced drift velocity is trained based on first sample drift data, wherein the first sample drift data includes observed drift velocity of sample floating objects, corresponding sample water surface flow characteristic parameters, sample wind characteristic parameters, and sample wave characteristic parameters.

Abstract: Disclosed is a breast massager, including: a housing having a surface, a cold compress component, at least one massage component, and a control module; a cold compress area is provided on the surface of the housing; the cold compress component is provided in the housing and configured to provide cooling to the cold compress area; the at least one massage component is provided in the housing and configured to massage breasts; and the control module is provided in the housing and electrically connected to the cold compress component and the massage component respectively.

Abstract: A lawn mower control method and device, a lawn mower, and a storage medium. The method comprises: detecting operating data and sensing data of a plurality of operating sensors provided on a lawn mower, wherein the plurality of operating sensors comprise at least two different types of sensors (S101); fusing the sensing data of the plurality of operating sensors to obtain environment data around the lawn mower (S102); determining, when it is detected that a fault occurs in any of the operating sensors, a fault type of a faulty sensor according to the operating data of the faulty sensor and the environment data around the lawn mower, wherein the faulty sensor is an operating sensor in which a fault occurs (S103); and controlling, if the fault type of the faulty sensor is a first fault type, the faulty sensor to stop operating, and a backup sensor corresponding to the faulty sensor to start operating (S104).

Abstract: The present disclosure relates to a multiplier, a multiply-accumulate circuit, and a convolution operation unit. The multiplier includes: one or more selection circuits, each of the one or more selection circuits respectively configured to select a target preset multiple of a first operand from a preset multiple of a first operand as a fourth operand according to a corresponding third operand, wherein the target preset multiple is equal to a value of the third operand; and a partial product summing circuit, each of one or more input terminals of the partial product summing circuit respectively connected to an output terminal of corresponding one of at least one or more selection circuits, wherein the partial product summing circuit is configured to calculate a partial product sum of one or more fourth operands from the one or more selection circuits.

Abstract: Disclosed are coating equipment and a coating method. The coating equipment comprises a coating die and a slurry parameter detector. The coating die comprises a first slot, a second slot, a first adjusting mechanism and a second adjusting mechanism. Through the arrangement of the first adjusting mechanism and the second adjusting mechanism, adjustment of the flow rate of slurry circulating in the first slot and the second slot can be realized, and parameters of coated slurry are detected by a slurry parameter detector, and are then compared with preset values, and comparison results are fed back to the first adjusting mechanism and the second adjusting mechanism for adjustment of the first adjusting piece and the second adjusting piece, so that automatic adjustment of double-layer die coating is realized, the debugging effectiveness is greatly improved, and the coating efficiency is further improved.

Abstract: An optical sensing apparatus, a method for manufacturing an optical sensing apparatus, and an electronic device can improve the optical detection accuracy and user experience. The optical sensing apparatus includes: a sensor chip configured to receive an incident light signal for optical detection; and a transparent conductive layer provided above the sensor chip and connected to a grounding terminal of the sensor chip, where the transparent conductive layer is configured to be coupled with an electromagnetic wave in an environment, and transmit the electromagnetic wave to the grounding terminal of the sensor chip.

Abstract: A metalens is provided, the metalens includes: a substrate, a plurality of structural units arranged in periodicity; and the structural units are perpendicular to the substrate; the metalens includes a plurality of phase-modulation regions, and each phase-modulation region includes the plurality of structural units; where, each structural unit includes m phase-modulation layers, m?2, so as to make each structural unit in each phase-modulation region provide any phase within the interval of [0,2?] and each phase-modulation region cover the phases within the interval of [0,2?] at a working waveband.

Abstract: An expression recognition method and apparatus are provided. The method includes: acquiring a to-be-recognized image; obtaining an image feature map of the to-be-recognized image according to the to-be-recognized image; determining global feature information and local feature information according to the image feature map; and determining an expression type of the to-be-recognized image according to the global feature information and the local feature information. Since the global feature information of the to-be-recognized image reflects overall information of a face and the local feature information of the to-be-recognized image reflects detail information of each region on the face, more image detail information of a facial expression can be recovered by means of an effective combination of the local feature information and the global feature information.

Abstract: The present invention relates to the technical field of comprehensive recovery and utilization of mineral resources, in particular to a method of extracting lithium from spodumene and meanwhile recovering low iron and low sulfur silicon aluminum micro-powder, high purity gypsum, tantalum niobium concentrate and lithium rich iron material.

Abstract: An aerosol generating apparatus and a heater therefor are provided. The aerosol generating apparatus includes: a chamber configured to receive an aerosol-generating product; and a heater at least partially extending into the chamber for insertion into the aerosol-generating product to heat the aerosol-generating product. The heater has a free front end located in the chamber and a tail end away from the free front end. The heater includes a housing element extending between the free front end and the tail end and at least partially defining an outer surface of the heater. The housing element is formed by winding a sheet including a metal or an alloy. In the present aerosol generating apparatus, the housing element of the heater formed by winding the sheet having the metal or the alloy is more convenient to manufacture than conventional ceramic or stainless steel housings formed by moulding or machining.

Abstract: The present disclosure discloses an acoustic device. The acoustic device may include a hanger assembly, at least one of an audio input component or an audio output component, a control circuit assembly, and a protection assembly. The hanger assembly may include a shell forming a space. The control circuit assembly may include one or more circuit boards arranged in the space. The protection assembly may include a protection plate. The protection plate may be arranged in the space and physically connected with the shell of the hanger assembly to form a protection barrier between at least one of the one or more circuit boards and the shell.

Abstract: The embodiments of the present disclosure provide an underwater fitness belt, including one or more fixing floats, a plurality of sets of adjustable floats, and a fixing strap; each set of the plurality of sets of adjustable floats includes two symmetrically shaped adjustable floats; and the plurality of sets of adjustable floats are capable of being connected through the fixing strap and are capable of being unconnected.

Abstract: A rotating device and an electronic equipment accessory are provided. The rotating device includes a first connecting member and a second connecting member rotatable about a rotation axis relative to the first connecting member. An angle formed between the rotation axis and a length direction of the rotating device is acute such that the second connecting member can move upwards when rotating with respect to the first connecting member. Therefore, when the rotating device is applied to an electronic equipment accessory which is mounted on electronic equipment, the rotating device acting as a stand can be arranged between a magnetic charging structure of electronic equipment and a bottom edge of the electronic equipment, such that the rotating device will not shield the magnetic charging structure. The rotating device can act as a stand with a good support effect due to existing of the acute angle.

Abstract: This disclosure discloses a method and apparatus for determining a quantum circuit. The method may include sampling an initial circuit unit pool according to an initial sampling manner to obtain initial K groups of circuit units and constructing and generating initial K candidate quantum circuits. The method may further include determining a performance evaluation index corresponding to the initial K candidate quantum circuits and updating the initial sampling manner and a circuit unit in the initial circuit unit pool based on the performance evaluation index, to obtain an updated sampling manner and an updated circuit unit pool. The method may further include sampling the updated circuit unit pool according to the updated sampling manner to obtain updated K groups of circuit units and constructing and generating updated K candidate quantum circuits. The method may further include determining a target quantum circuit from the updated K candidate quantum circuits.

Abstract: A device and a method for detecting LEDs bonded to a display substrate are provided. The device includes a power supply assembly, a pressure fixture and a detector. The power supply assembly is used for providing electrical signals to the LEDs. The pressure fixture is used for applying a force to the power supply assembly, so that the power supply assembly directly contacts and electrically connects to at least one of the LEDs. The detector is on a side of the pressure fixture away from the power supply assembly and used for detecting whether each of the LEDs emits light according to a normal standard.

Abstract: A temperature probe includes a probe tube, a handle, a PCB, a rechargeable battery and a wireless charging coil, the handle is connected to the probe tube in a sealing manner, the handle is configured with a first inner cavity, the probe tube is configured with a second inner cavity in communication with the first inner cavity, the rechargeable battery is electrically connected to the PCB, the PCB is arranged in the second inner cavity, and the wireless charging coil is arranged in the first inner cavity and is electrically connected to the PCB, so as to charge the rechargeable battery.

Abstract: A dynamic D flip-flop with an inverted output involves an input end (101) used for receiving input data; an output end (102) used for providing output data to respond to the input data; a clock signal end (103) used for receiving a clock signal; a first latch (104) used for latching the input data from the input end (101) and performing inverting transmission on the input data under the control of the clock signal; a second latch (105) used for latching data from the first latch (104) and performing inverting transmission on the data latched by the first latch (104) under the control of the clock signal; and an inverter (106) used for performing inverting output on the data received from the second latch (105), the first latch (104), the second latch (105), and the inverter (106) being sequentially connected in series between the input end and the output end.