Abstract: A Bluetooth Low Energy (BLE) mesh-based provisioning control method and system, and an electronic device. The method includes: the provisioner completes, within one interval scheduling cycle based on a preset ratio of effective transmission time to interval, interactive transmission of at least three data packets sent by the server; during provisioning between the provisioner and the to-be-connected device, the provisioner obtains current wireless access point information; the provisioner determines a target hopping channel value based on the current wireless access point information; after the to-be-connected device receives a connection request sent by the provisioner and sets the target hopping channel value as a to-be-connected device hopping value, the provisioner controls the to-be-connected device to hop at a frequency corresponding to the to-be-connected device hopping value to complete interaction of provisioning data packets.

Abstract: Provided are methods for modifying the permeability of subterranean formations for the purposes of selectively reducing excessive production of water and aqueous fluids in oil and gas wells, wherein the methods utilize an emulsion containing a copolymer, which is typically prepared in an aqueous salt media.

Abstract: Provided are a 15-PGDH inhibitor and the use thereof. The 15-PGDH inhibitor is a heterocyclic compound as represented by formula I, a solvate thereof, a pharmaceutically acceptable salt thereof, a solvate of a pharmaceutically acceptable salt thereof, or a prodrug thereof. The compound has a good inhibitory effect on 15-PGDH.

Abstract: This application discloses methods and devices for a quantum chip, a quantum processor and a quantum computer, and relates to the field of quantum technology. The quantum chip includes a bottom sheet and a top sheet; a qubit array disposed on the top sheet, the qubit array comprising a plurality of qubits distributed in an array structure of M rows by N columns, and M and N being both integers greater than 1; a reading cavity disposed on the bottom sheet, and the reading cavity being configured to acquire status information of a qubit in the qubit array; and the bottom sheet and the top sheet being electrically connected.

Abstract: A method for processing a frequency control signal includes providing a square wave pulse to a target qubit, and controlling, after a first time elapses from an end time of the square wave pulse, the target qubit to rotate around a Y axis by a first target distance. The first time has a value that is variable. The method includes performing, after a second time elapses from the first time, a QST measurement on the target qubit and reconstructing a density matrix of the target qubit based on the QST measurement to obtain a phase parameter value of the target qubit associated with the value of the first time. Further, the method includes varying the first time and repeating the QST measurement in response to values of the first time to obtain phase parameter values associated with the values of the first time; and adjusting the frequency control signal accordingly.

Abstract: A shelf assembly for a refrigerator and a refrigerator are provided. The shelf assembly comprises: a shelf device for placing articles; a slide rail forming a slideway in a vertical direction, and having at least two positioning portions in a vertical direction; wherein the shelf assembly further comprises: a moving device for supporting the shelf device, the moving device comprising a bearing plate that is operably moved upward and downward relative to the slide rail, and a locking plate rotatably disposed relative to the bearing plate, a positioning member being disposed on the locking plate, the locking plate engaging with the shelf device; when the shelf device is operably lifted or released, a positioning member is disengaged from or engaged with one of the positioning portions, to adjust the height of the shelf device. Adjustment of the shelf device is simple and convenient and the cost is lower.

Abstract: A superconducting quantum hybrid system includes: a silicon carbide (SiC) epitaxial layer; and a superconducting qubit line, the superconducting qubit line corresponding to a superconducting qubit, where a designated region of the SiC epitaxial layer includes a nitrogen vacancy (NV) center, the NV center being formed by implanting nitrogen ions into the designated region of the SiC epitaxial layer, and where the superconducting qubit line is located on a surface of the SiC epitaxial layer, the superconducting qubit is coupled to a solid-state defect qubit, and the solid-state defect qubit is a qubit corresponding to the NV center in the designated region.

Abstract: A vertical beam assembly for a refrigerator door, comprising: a vertical beam body, comprises a base shell and a cover plate, the cover plate is provided over the base shell to form a foaming space for filling with foaming material; wherein the base shell provides multiple receptacle cavities along a longitudinal direction near the side of the refrigerator door, multiple sealing covers are provided at the multiple receptacle cavities facing the cover plate side and one-to-one correspondence with the multiple receptacle cavities, sealing the openings from the receptacle cavities leading to the foaming space; and a hinge assembly, comprises multiple hinges mounted within the receptacle cavities respectively, to rotatably connect the vertical beam body to the refrigerator door.

Abstract: This application relates to a sideband suppression method performed at a computer device.

Abstract: In a waveform data transmission method, control and measurement waveform data of a first signal waveform for control and measurement of a quantum chip is generated by control and measurement software of a qubit control and measurement system. The control and measurement waveform data is compressed, by the control and measurement software, to obtain compressed control and measurement waveform data. The compressed control and measurement waveform data is transmitted to an electronics system of the qubit control and measurement system. The compressed control and measurement waveform data is decompressed, by processing circuitry of the electronics system, to obtain recovered control and measurement waveform data. The first signal waveform is transmitted to the quantum chip according to the recovered control and measurement waveform data.

Abstract: A quantum circuit includes: a qubit, a resonant cavity, and a feeder, the resonant cavity being coupled to the qubit, and the feeder being coupled to the qubit. The feeder is configured to feed an initialization signal to the qubit, the initialization signal being a modulation signal used for causing a frequency of the qubit to generate a vibration. The vibration causes an equivalent state exchange to occur between the qubit and the resonant cavity, and an excited state of the qubit is initialized to a ground state by using the resonant cavity.

Abstract: A parity checking method and apparatus for a qubit, a superconducting quantum chip, an electronic device, and a storage medium are provided. The method includes: configuring a measurement system for a qubit excited state measurement environment, the measurement system including: a first data qubit, a second data qubit, and an auxiliary qubit; determining a first operational frequency parameter of the first data qubit; determining a second operational frequency parameter of the second data qubit; determining a third operational frequency parameter of the auxiliary qubit; determining a logic gate matching the qubit excited state measurement environment based on the first operational frequency parameter, the second operational frequency parameter, and the third operational frequency parameter; and checking parity of a qubit in the qubit excited state measurement environment according to the logic gate.

Abstract: The present disclosure relates to a communication apparatus and a data transmission method. In an example, the communication apparatus includes a universal serial bus (USB) protocol layer, a USB adapter layer, a transport layer, and a physical layer. The USB protocol layer is configured to send first data to the USB adapter layer. The USB adapter layer is configured to perform physical link adaptation on the first data to obtain second data and send the second data to the transport layer. The first data is adapted to a first physical link, the second data is adapted to a second physical link, and a bandwidth of the first physical link is lower than a bandwidth of the second physical link. The transport layer and the physical layer are configured to process the second data and send processed second data to a receive end through the second physical link.

Abstract: This application provides example forward error correction (FEC) code design methods and example related devices. One example method includes determining a quantity of transmission lanes for transmitting data. A plurality of FEC working areas can be determined based on the quantity of transmission lanes, where a quantity of the plurality of FEC working areas is the same as the quantity of transmission lanes, and the plurality of FEC working areas are for performing check and error correction on the data. The data on a transmission lane of the transmission lanes can be evenly allocated to each of the plurality of FEC working areas. The data received by each of the plurality of FEC working areas can be processed by using the plurality of FEC working areas.

Abstract: A data transmission method and apparatus are provided. The method includes: obtaining service data; and sending first data, where the first data is obtained based on the service data, where a data structure of the first data is the same as a data structure of second data, the second data is for performing link training, and the link training is performed before the first data is sent.

Abstract: This application discloses a data transmission method and apparatus, and relates to the field of media technologies. The method includes: obtaining video data of a to-be-transmitted video; splitting first line video data in the video data into a plurality of video data packets; and transmitting the plurality of video data packets and at least one auxiliary data packet in a first line active area.

Abstract: Embodiments of this application disclose a video switching method and a related device, and are applied to the multimedia field. The method in embodiments of this application includes: A video transmit end receives a video switching instruction when sending a first video frame, where the first video frame is one frame of video data of a first video stream that is being sent by the video transmit end; and the video transmit end switches video data in response to the video switching instruction when a first field blanking period after the first video frame arrives. In embodiments of this application, a video data switching process of the video transmit end may be controlled to occur in the field blanking period, and the video transmit end always sends a complete video frame to a video receive end.

Abstract: This application provides a transmission method, apparatus, and system, to implement bidirectional transmission of an audio/video signal between peer devices. The transmission system may include a first transmission apparatus and a second transmission apparatus, where the first transmission apparatus is connected to the second transmission apparatus through a first cable, and the first cable includes a first number of main downlink lanes and a second number of main uplink lanes. Bidirectional transmission of the audio/video signal between the first transmission apparatus and the second transmission apparatus is performed through the first cable.

Abstract: The present invention discloses an adjustable rack device and a refrigerator having the same; the adjustable rack device includes a rack assembly and a slide rail assembly, the rack assembly includes a rack body and a bracket, the slide rail assembly includes a rail groove, an elastic assembly, a sliding plate fixedly connected with the bracket and at least two stop positions, a first end of the elastic assembly is provided at an end portion of the rail groove located at a supporting surface of the rack body, and a second end of the elastic assembly is connected with the sliding plate and provides an elastic restoring force for the sliding plate. Gravity of an adjustable rack is not required to be overcome for work in a moving process of the rack, and the rack is more portable and labor-saving.