Abstract: The present disclosure relates to a crosshead box, which is a substantially rectangular box body formed by an integral forming process and is provided with a front end surface, a rear end surface, an upper end surface, a lower end surface, and a side end surface, and the crosshead box is provided with: a plurality of crosshead cavities, each of the crosshead cavities extending in a longitudinal direction of the crosshead box and running through the box body, and the plurality of crosshead cavities being arranged in a transverse direction of the crosshead box. The crosshead box is further provided with a plurality of exhaust chambers, each of the exhaust chambers running through the crosshead box in the longitudinal direction of the crosshead box and being in communication with the corresponding crosshead cavity. The present disclosure further relates to a plunger pump provided with the crosshead box described above.

Abstract: The present disclosure provides a method for predicting a target object, including performing a first voxelization on a plurality of first points included in a point cloud to obtain a plurality of first voxels; predicting a plurality of second points from the plurality of first voxels, wherein each of the plurality of second points represents a prediction of a center of the target object by a first point; performing a second voxelization on a plurality of first points and a plurality of second points to obtain one or more second voxels and one or more third voxels; and predicting the target object from the one or more third voxels. In addition, the present disclosure also provides an apparatus and non-transitory computer-readable storage medium that can perform the methods described above.

Abstract: A fracturing pump spacer frame includes a hydraulic end connecting plate and a crosshead box connecting plate that are disposed spaced apart in parallel. The hydraulic end connecting plate and the crosshead box connecting plate are fastened by a support sleeve. The fracturing pump spacer frame further includes a leg. The hydraulic end connecting plate, the crosshead box connecting plate, the support sleeve, and the leg are integrally formed. The leg includes a first vertical supporting plate and a second vertical supporting plate that are vertically disposed and a first bottom supporting plate that is horizontally disposed. The first vertical supporting plate is located below the hydraulic end connecting plate. The second vertical supporting plate is located below the crosshead box connecting plate. Two sides of the first bottom supporting plate are respectively connected to lower ends of the first vertical supporting plate and the second vertical supporting plate.

Abstract: The present utility model discloses a conversion and conduction structure for a power converter, comprising the power converter including an upper cover of a main body, a lower cover of the main body, a bracket, a UK-standard pin assembly, a US-standard pin assembly, a hybrid plug assembly of the type CEE7/7, a CN-standard or an AU-standard pin assembly; Plugs in different countries are correspondingly connected in conduction with pins of different national specifications, especially ground wires in plugs in different countries are connected in conduction with pins of ground wires of different national specifications, thereby improving the safety of the power converter.

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive an indication of a codebook type for transmitting hybrid automatic repeat request (HARQ) feedback by the UE to a second device (e.g., a network device, a satellite, or a base station). The indication of the codebook type may indicate a HARQ feedback transmission configuration, such as a static HARQ feedback transmission configuration. The HARQ transmission configuration may be associated with a one bit or two bit HARQ codebook. The UE may receive a scheduled downlink shared channel transmission, and attempt to decode the received downlink shared channel transmission. The UE may transmit (or refrain from transmitting) the HARQ feedback based on the decoding of the scheduled downlink shared channel transmission and in accordance with the feedback mode.

Abstract: Methods, systems, and devices for wireless communication are described. Wireless communications systems may support uplink random access channel (RACH) transmissions on multiple beams and over multiple component carriers (CCs). A wireless device may transmit a random access preamble to a base station in a first RACH transmission, which may indicate a set of CCs over which the base station may respond with a random access response (RAR) in a second RACH transmission. The second RACH transmission may then include an indication for which CCs the wireless device may use for a subsequent RACH transmission (e.g., a RACH message 3). The wireless device may also indicate a beam index and/or time-frequency resources associated with beams and/or CCs used for such cell acquisition transmissions. In other examples, the base station may indicate resources (e.g., via a handover command or RACH command) for wireless device scheduling request and/or beam-failure recovery request transmission.

Abstract: A hydrochromic halide perovskite includes a CsxTbyFz halide perovskite doped with a lanthanide ion dopant, which is capable of water-induced reversible phase transformation between pristine state and wet state, and exhibits reversible change in optical emission under ultraviolet excitation. A printable pattern comprising a film of the hydrochromic halide perovskite and a method for preparing the hydrochromic halide perovskite are also addressed.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a UE-specific configured grant (CG) small data transmission (SDT) configuration with parameters specific to CG-SDT in a non-terrestrial network (NTN). The UE may receive system information associated with validation of the parameters for CG-SDT on the NTN. The UE may transmit an SDT to a network entity of the NTN using one or more of the parameters. Numerous other aspects are described.

Abstract: This application provides an uplink transmission method and a communication apparatus. In the method, a terminal device may determine, based on an RRC parameter and/or indication signaling from a network side, according to a predefined selection policy, based on a combination of supported carriers that may be for parallel sending, in a predefined manner, or based on one or a combination of any two or more of these implementations in a plurality of possible radio frequency chain state supporting current uplink transmission, a radio frequency chain state that is during the current uplink transmission.

Abstract: A method of recognizing target objects in images obtains a detection image of a target object. A template image is generated according to the target object. The detection image is compared with the template image to obtain a comparison result. Candidate regions of the target object are determined in the detection image according to the comparison result. At least one target region of the target object is obtained from the candidate regions. The method detects target objects in images very rapidly.

Abstract: Certain aspects of the present disclosure provide techniques and apparatus for random access channel communications in non-terrestrial networks. A method that may be performed by a user equipment (UE) includes transmitting a physical random access channel (PRACH) preamble to the network entity in a random access (RA) occasion; and monitoring for a random access response (RAR) within a RAR window with a start position determined based at least in part on the RA occasion, round trip time parameters for non-terrestrial network communications, and one or more timing offset parameters.

Abstract: Disclosed in the present disclosure is a cooking device. The cooking device includes: a base; a cookware vessel rotatably arranged in the base; and at least one temperature measuring assembly arranged on the base, wherein the at least one temperature measuring assembly includes a first temperature measuring assembly, and the first temperature measuring assembly is arranged opposite an ingredient area of the cookware vessel. When the cooking device is in a cooking position, an area where an ingredient in the cookware vessel makes contact with the cookware vessel is the ingredient area. Therefore, a temperature difference between a measuring result and ingredient may be reduced, such that accuracy and stability of temperature measurement may be improved, and cooking quality may be improved.

Abstract: A step counting method and apparatus. The step counting method includes: obtaining a first acceleration, a second acceleration, and a third acceleration of three axes of an acceleration sensor in a terminal device within a preset time period; determining a change in motion of a user within the preset time period based on the first acceleration, the second acceleration, and the third acceleration within the preset time period; and in a case that the change in motion of the user within the preset time period is greater than or equal to a preset variance threshold, determining a quantity of steps of the user within the preset time period based on a resultant acceleration of the first acceleration, the second acceleration, and the third acceleration within the preset time period and a gravitational acceleration.

Abstract: The present disclosure provides an information processing method and apparatus, a terminal, and a storage medium. The information processing method, comprising: displaying content in an interface, wherein the content comprises a target entity word; in response to a first operation event performed by a user on the target entity word, obtaining target entity word information, wherein the target entity word information comprises first information and second information, the first information comprises a meaning of the target entity word, and the second information comprises a communication identifier of a communication group or a contact person; displaying the first information and the second information; in response to a second operation event on the communication identifier of the communication group or the contact person, perform at least one of the following steps: adding the user to the communication group, entering the communication group or entering a chat interface with the contact person.

Abstract: Various embodiments include methods for simulating deployment for an artificial intelligence (AI) model. An example method includes: determining at least two formats of an AI model; determining runtimes corresponding to the AI model in the at least two formats; combining a preset simulation environment with the at least two runtimes to obtain at least two combinations; running the at least two combinations to obtain corresponding data flow results; and determining one combination from the at least two combinations according to the data flow results.

Abstract: A wireless device may output a first message or a compression context message. The first message may include (a) a first payload associated with a first RTP-SN, (b) the first RTP SN, and (c) a first PDCP SN that is incrementally synchronized with the first RTP SN. The compression context message may include an indicator of compression context between the first RTP SN and the first PDCP SN. The wireless device may obtain a confirmation that a compression context between the first RTP SN and the first PDCP SN is established at a receiver. In response, the wireless device may output a second message. The second message may have a second payload associated with a second RTP SN and a second PDCP SN that is incrementally synchronized with the second RTP SN. The second message does not comprise a ROHC header having an RTP SN field.

Abstract: Disclosed are a negative electrode material, a negative electrode plate including the negative electrode material and a battery including the negative electrode material. The negative electrode material includes an MOF@ carbon composite material and a silicon-based material. The negative electrode material of the present disclosure has good flexibility and scalability, which not only solves a problem of expansion of the negative electrode material in a battery charging process, but also enables the negative electrode to keep good electrical contact all the time in a battery discharging and shrinkage process.

Abstract: Sizing resources for a replication target, including: determining an initial resource requirement for a replication source; determining a retention resource requirement for the replication source; and reporting, in dependence on the initial resource requirement and the retention resource requirement, a total resource requirement for replicating the replication source.

Abstract: A method by a user equipment (UE) includes receiving at least one time offset for scheduling non-terrestrial communications. The at least one first time offset is configured according to a numerology and/or a bandwidth part (BWP). The UE communicates in accordance with the time offset(s). The time offset may be a single time offset that applies across all numerologies or may be multiple time offsets, each specific to a particular numerology or bandwidth part (BWP). The time offset may be a single time offset scaled based on a current numerology configured for communications. The time offset may apply across different bandwidth parts (BWPs) or across multiple component carriers from which the UE is receiving downlink data.