Abstract: Embodiments of the present disclosure provide an X-ray device and an imaging device including the X-ray device. The X-ray device may include a high voltage generator and an X-ray tube. The high voltage generator and the X-ray tube may be disposed in a same housing. The housing may be filled with an insulating material.

Abstract: This application provides a communication method and apparatus. In the method, a first symbol set is introduced into a protocol data unit, to provide sufficient switching time for a Wi-Fi device to switch from a first running mode to a second running mode. This ensures data receiving performance of the Wi-Fi device. This application is applied to a wireless local area network system that supports 802.11 series protocols such as a next-generation Wi-Fi protocol of IEEE 802.11ax like 802.11be, Wi-Fi 7, or an extremely high throughput (EHT), a next-generation protocol of 802.11be like Wi-Fi 8, and Wi-Fi AI; and is alternatively applied to a UWB-based wireless personal area network system, a sensing system, or the like.

Abstract: A common CORESET determining method, an apparatus and a non-transitory computer-readable storage medium are provided. The method includes: receiving configuration information, wherein the configuration information indicates where a physical resource block occupied by a first common control resource set is located in a first downlink bandwidth part; determining a frequency domain resource of the first common control resource set based on a frequency domain resource of the first downlink bandwidth part and the physical resource block occupied by the first common control resource set within the first downlink bandwidth part; and monitoring a physical downlink control channel in the first common control resource set before the first downlink bandwidth part configured by a SIB1 takes effect to obtain scheduling control information. According to this application, complexity of determining a frequency domain location of the first control resource set can be reduced.

Abstract: A targeted corrosion inhibitor for marine reinforced concrete, and a preparation and application thereof. The targeted corrosion inhibitor is a nano silver-loaded nitrite-intercalated layered double hydroxide. The targeted corrosion inhibitor is prepared based on interlayer ion exchangeability of layered double hydroxides and specific recognition of Ag+ to chloride ions.

Abstract: A terminal device includes a first radio frequency front-end circuit, a second radio frequency front-end circuit, an input circuit, a first radio frequency receive circuit, a second radio frequency receive circuit, a satellite communication baseband circuit, and a wireless communication baseband circuit. The input circuit receives a first radio frequency signal and a second radio frequency signal, and outputs both of the radio frequency signals through a same branch. One of the first radio frequency receive circuit and the second radio frequency receive circuit processes the received first radio frequency signal into a first baseband signal, and sends the first baseband signal to the satellite communication baseband circuit. The other of the first radio frequency receive circuit and the second radio frequency receive circuit processes the received second radio frequency signal into a second baseband signal, and sends the second baseband signal to the wireless communication baseband circuit.

Abstract: This application provides example communication methods and apparatuses. One example method includes determining, by a first device, frequency domain resource for communication, where the first device is a device using a first communication manner, the frequency domain resource for communication belongs to a first frequency domain resource set, the first frequency domain resource set is a frequency domain resource set that is in an unlicensed frequency band and that is configured for use by the device using the first communication manner, a priority of the first communication manner is higher than a priority of a second communication manner, and frequency domain resource used by a device using the second communication manner is frequency domain resource other than the frequency domain resource for communication in the unlicensed frequency band. The first device transmits a first signal on the frequency domain resource for communication.

Abstract: The present disclosure provides a visual data analysis method and device used for visual analysis for multiple types of data sources. By establishing connection relationships with various types of data sources, multiple types of data sources can be obtained in real time, and various types of data sources are combined and analyze in real time. The method includes: obtaining multiple types of data sources, and establishing a connection with each type of data source, wherein the type of data source is used to represent a source from which data is obtained; displaying, through a visual page, each piece of table information contained in each type of data source with which the connection is made.

Abstract: Provided are a gene KWE2 for regulating corn car grain weight and yield, a protein encoding same, and an expression vector thereof. Further provided are an InDel1 marker of the gene KWE2 for regulating corn car grain weight and yield, and the use thereof in plant trait improvement.

Abstract: This application relates to time frequency synchronization-based positioning methods and apparatuses. In an example method, a first device completes time-frequency synchronization with a second device via a narrowband system, to obtain time-frequency synchronization information. The first device performs positioning between the first device and the second device via a wideband system when the first device determines, at a media access control (MAC) layer, that the time-frequency synchronization information reaches time-frequency precision associated with the wideband system. The first device exchanges a positioning result with the second device via the narrowband system.

Abstract: An information exchanging method includes a first device and a second device that negotiate, using respective narrowband communication systems, a parameter used in a ranging process, and then perform ranging using respective ultra-wideband (UWB) systems based on the parameter.

Abstract: A ranging method includes a first device that sends a ranging control frame to a second device using a first resource with a lower bandwidth. The ranging control frame includes ranging parameter information. The first device and the second device perform ranging based on the ranging parameter information using a second resource.

Abstract: The present disclosure is related to a multi-stage control negative Poisson self-expanding anchor apparatus. The apparatus is constructed to solve the problem of poor effect or even failure of anchor bolts owing to insufficient force area of the bolt and easy damage of the locking section under the action of large tension in the existing technology. The anchorage section mainly comprises a plurality of circular platform bodies spaced with larger outward and smaller inward along the axial direction. The axial inner segment of the round platform body is coaxial connected with the force resistant body, and the axial outer segment of the round platform body is opened with an axial inward through the hole of the force resistant body. The axial inner part of the force resistant body is fixed on the anchorage segment.

Abstract: A common CORESET determining method, an apparatus and a non-transitory computer-readable storage medium are provided. The method includes: receiving configuration information, wherein the configuration information indicates where a physical resource block occupied by a first common control resource set is located in a first downlink bandwidth part; determining a frequency domain resource of the first common control resource set based on a frequency domain resource of the first downlink bandwidth part and the physical resource block occupied by the first common control resource set within the first downlink bandwidth part; and monitoring a physical downlink control channel in the first common control resource set before the first downlink bandwidth part configured by a SIB1 takes effect to obtain scheduling control information. According to this application, complexity of determining a frequency domain location of the first control resource set can be reduced.

Abstract: A method for refreshing electronic sign and an electronic device, where the method includes acquiring conference information and attendee information of a scheduled conference; where the conference information includes a Bluetooth gateway corresponding to the conference information; transmitting the attendee information to an electronic sign bound with the Bluetooth gateway by the Bluetooth gateway corresponding to the conference information; and, when there are multiple Bluetooth gateways, the electronic sign is bound with only one Bluetooth gateway; and displaying the attendee information by refreshing the electronic sign.

Abstract: Disclosed in the present disclosure are an electronic sign display method and an electronic device. The method includes determining conference information to be displayed and a first region in a display region of the electronic sign, wherein the conference information includes conference captions and conference contents corresponding to the conference captions; determining a quantity threshold of pieces of conference information being capable of being contained in the first region according to a size of the conference information and a size of the first region; and in response to the number of pieces of conference information to be displayed exceeding the quantity threshold, selecting pieces of conference information with a number less than or equal to the quantity threshold from a conference information queue to be displayed, and displaying the selected pieces of conference information in the first region.

Abstract: A radio frequency front end module (FEM) coupled to a radio frequency transceiver circuit and includes a first port coupled to a sending branch and a receiving branch through a switching system, and a second port coupled to the sending branch and the receiving branch through the switching system. The first port supports signal transmission of a first frequency band, and the second port supports signal transmission of a second frequency band. The receiving branch supports receiving processing of signals of the first frequency band and the second frequency band. The sending branch supports sending processing of signals of the first frequency band and the second frequency band. The switching module is configured to selectively transmit a signal either processed by the sending branch to the first port or the second port, or received by the first port or a signal received by the second port to the receiving branch.

Abstract: A communication method includes that when there is a data transmission requirement between two slave devices in a short-range wireless communication system, any one of the two slave devices may send a communication request to a master device such that the master device allocates an air interface resource for data transmission between the two slave devices, and the two slave devices can perform data transmission based on the air interface resource allocated by the master device.

Abstract: Embodiments of the present disclosure relate to the field of communication technologies and disclose a wireless projection method, apparatus, and system. The method includes: A wireless projection apparatus determines, based on a display frame rate used when the wireless projection apparatus displays an image, a duration of a first transmission period. The wireless projection apparatus negotiates with a display apparatus to determine a configuration of a time domain resource in the first transmission period, where the time domain resource in the first transmission period is configured to include a first time segment, a second time segment, and a third time segment, the first time segment is used to send first data to the display apparatus, the second time segment is used to receive second data sent by the display apparatus, and the third time segment is used for sleep.

Abstract: A method of preparing a modification-free, recyclable and photothermally-driven self-repairing epoxy anticorrosion coating. A bisphenol A epoxy resin is employed as a film-forming material, and a polybasic acid is used as a curing agent. A carbon material is introduced as a photothermal filler to construct a catalyst-free epoxy-anhydride curing system, which is cured at 110-130° C. for 4-12 h to obtain the recyclable and photothermally-driven self-repairing epoxy anticorrosion coating.

Abstract: Provided is a method for processing an image. The method comprises: determining, based on an average gray-scale value of n adjacent pixel points in a first image to be processed, a target pixel sample group from a plurality of pixel sample groups; determining, based on a gray-scale value of each of the n pixel points, a target pixel sample from at least one pixel sample in the target pixel sample group; determining, based on the target pixel sample and initial pixel values of the n pixel point, target pixel values of the n pixel points from pixel values corresponding to a plurality of alternative colors; and converting the initial pixel values of the n pixel points in the first image into corresponding target pixel values.