Abstract: A braking method and apparatus, and a vehicle are provided. The method includes: obtaining a recharge power capability value of a vehicle; determining an electric braking torque as a preset value when the recharge power capability value is less than or equal to a first threshold, and determining a hydraulic braking torque based on a target energy recovery torque and a maximum allowed energy recovery torque; or determining, based on a traveling parameter, the electric braking torque and the hydraulic braking torque when the recharge power capability value is greater than a second threshold; and sending first indication information, where the first indication information includes the hydraulic braking torque, or the first indication information includes the electric braking torque and the hydraulic braking torque.

Abstract: A sealing structure, including a stuffing box (2) and a valve cover (3). The side wall of the stuffing box (2) is provided with an external thread (21) and a sealing groove (22) used for mounting a first sealing ring (4); the valve cover (3) is provided with a mounting hole; when the stuffing box (2) is mounted in the mounting hole of the valve cover (3), and the stuffing box (2) and the valve cover (3) are sealed by means of the first sealing ring (4), an axial length of a connection between the external thread (21) and the valve cover (3) is L1, and a distance between a connection position of a connecting hole section (301) and a sealing hole section (302) in the mounting hole and the lower end face of the sealing groove (22) is L2, wherein L1>L2. According to the sealing structure, the risk of hurting people due to the fact that the stuffing box (2) is ejected by the residual high pressure in the valve cover (3) can be avoided, and the stuffing box can be conveniently taken down from a shaft.

Abstract: This application disclosed video transmission methods and devices. An example method includes obtaining a first video and a second video, where the first video and the second video have same content, and image quality of the first video is lower than image quality of the second video. M first video frames and identifier information of N target frames based on the first video are obtained. Related frames corresponding to the N target frames are obtained from the second video based on the identifier information of the N target frames, where the target frames and the related frames have same identifier information but different image quality. The M first video frames and the N related frames are recorded to obtain a third video, where the third video is transmitted to a receiving device, and a data volume of the third video is less than a data volume of the second video.

Abstract: A vehicle control method and apparatus are provided, and relate to the field of electric vehicle technologies. The method includes: calculating a first energy recovery torque based on a first traveling parameter of a vehicle, where the first traveling parameter includes a yaw velocity; and controlling, based on the first energy recovery torque, the vehicle to perform energy recovery. The method helps ensure traveling safety of the vehicle and driving experience.

Abstract: Embodiments of this application provide example torque adjustment methods, apparatuses, and vehicles. One example method includes obtaining a requested torque value. A first intervention torque value is determined based on a wheel acceleration of a vehicle and a vehicle acceleration of the vehicle. Based on the requested torque value and the first intervention torque value, the vehicle is controlled to perform energy regeneration.

Abstract: The present disclosure relates to vehicle control methods and apparatuses, vehicles, computer-readable storage mediums, and computer programs. One example control method includes obtaining a target torque, generating a damping torque based on at least one of an equivalent moment of inertia at a wheel end of a vehicle and a motor rotational speed fluctuation frequency of the vehicle, and controlling, based on the damping torque and the target torque, the vehicle to perform energy recovery.

Abstract: Example image processing methods and apparatuses are disclosed. One example image processing method includes obtaining a video stream, where the video stream includes a first frame of image, a second frame of image, and a third frame of image that are adjacent in time sequence. The video stream can then be decoded to obtain a first alignment frame, a second alignment frame, and at least one residual between the first frame of image, the second frame of image, and the third frame of image. At least one residual frame can then be generated based on the at least one residual. Super resolution processing can then be performed on the second frame of image based on the at least one residual frame, the first alignment frame, and the second alignment frame to obtain an additional second frame of image obtained after super resolution.

Abstract: This application relates to a liquid leak detection method and apparatus, a battery control unit, and a battery management system. The method includes: obtaining a gas concentration detection signal output separately by a plurality of target gas sensors in a battery box, where the gas concentration detection signal is used for indicating a measured gas concentration; obtaining position information of each target gas sensor in the battery box; and determining a leaking region in the battery box based on the gas concentration detection signal and the position information of each target gas sensor. To sum up, in an embodiment of this application, the leaking region in the battery box can be located by analyzing the gas concentration detection signals and position information of a plurality of target gas sensors in the battery box, so that prompt information used for indicating the leaking region can be output subsequently.

Abstract: A basket includes a cover plate, a support assembly, a basket bottom plate for holding at least two rows of reagent strips, and a sample holder for holding at least two sample tubes; the sample holder is detachably connected to an end surface of the basket bottom plate; the cover plate and the basket bottom plate are rotatably connected so as to limit displacement of the reagent strips in the height direction when the cover plate and the basket bottom plate are attached to each other; the support assembly is connected to the bottom surface of the basket bottom plate, and the height of the support assembly is greater than or equal to the heights of the reagent strips.

Abstract: A magnetic attraction incubation mechanism of an automatic molecular diagnostic instrument, includes: a magnetic attraction assembly used for magnetic attraction of a reaction chamber containing a sample liquid and an incubation assembly used for heating the reaction chamber, and further comprising: a driving device for driving the incubation assembly and the magnetic attraction assembly to be alternately close to the reaction chamber, the magnetic attraction assembly and the incubation assembly being both connected to the driving device. Switching of an incubation operation and a magnetic attraction operation can be achieved, and an incubation part and a magnetic attraction part effectively work in conjunction with each other by means of a linkage mechanism, so that the overall structure is effectively simplified, the space is saved, and a detection speed of the sample liquid can further be increased.

Abstract: A DNA and RNA nucleic acid co-extraction and detection system includes a nucleic acid extraction system, a sealing, transferring and mixing system, a nucleic acid detection system and a control system, wherein the nucleic acid extraction system, the sealing, transferring and mixing system and the nucleic acid detection system are all connected to the control system; the nucleic acid extraction system comprises a carry basket for loading an extraction reagent strip and a sample tube, a consumable-material supply module, a reagent kit loading module, a barcode scanning device for automatically inputting barcode information, a magnetic absorption incubation device, and an automatic sample addition device for transferring a liquid to a reaction chamber of the extraction reagent strip or a PCR tube and sealing the PCR tube; the sealing and transferring system comprises a PCR transferring device for grabbing and driving a PCR tube to move, and a high-speed mixing device.

Abstract: A charging method may include: sending a first command to a charging device, the first command being used to control the charging device to output an oscillation current to the battery during a first time period in a charging process, where the oscillation current may include n cycle periods, n being a positive integer greater than 1, each of the cycle periods may include a first sub-period and a second sub-period, a current output by the charging device during the first sub-period is a first current, a current output by the charging device during the second sub-period is a second current, and a direction of the first current may be opposite to that of the second current; and sending a second command to the charging device, the second command being used to instruct the charging device to charge the battery during a second time period in the charging process.

Abstract: A liquid crystal display panel (100) and a display apparatus (200). The liquid crystal display panel (100) includes a color filter substrate (1), an array substrate (2), and a sealant (3). An amorphous silicon layer (4) and a first interlayer dielectric (5) are provided between a shading layer (12) and a first substrate (11), a first through groove (12a) is formed in the shading layer (12) and the amorphous silicon layer (4), and a part of the sealant (3) is filled in the first through groove (12a) and is in direct contact with the first interlayer dielectric (5); and/or a planarization layer (22) is wrapped with a second interlayer dielectric (6), such that the planarization layer (22) is respectively separated from the sealant (3) and a second substrate (21), and the second interlayer dielectric (6) is in direct contact with the sealant (3). The phenomenon of film separation in a liquid crystal display panel is effectively alleviated, and the reliability of the liquid crystal display panel is improved.

Abstract: Provided are a fibroblast activation protein inhibitor (FAPI) dimer compound, an FAPI dimer-based positron emission tomography (PET) imaging agent for tumor diagnosis, and a preparation method and use thereof. An amphiphilic polyethylene glycol (PEG) chain and a dimerized structure of FAPI in the FAPI dimer compound with a structure shown in formula I can improve the in vivo kinetic properties of the compound and prolong a residence time of the compound in a tumor, thereby improving the uptake and imaging effects in the tumor. The accurate tumor diagnosis can be achieved by labeling the FAPI dimer compound with a diagnostic nuclide (68Ga), which has promising application prospects in PET imaging for diagnosis and in the preparation of a therapeutic nuclide (such as 177Lu or 90Y)-labeled drug for treating a FAP-?-expressing tumor.

Abstract: A nucleic acid extraction and fluorescent PCR detection system, comprising: an extraction strip, an extraction strip loading device for loading the extraction strip, a sample holder loading device for loading and unloading samples, an extraction strip transfer gripper for driving the extraction strip to move to a preset position, a nucleic acid extraction device for purifying the samples to obtain nucleic acids, a PCR detection device for performing fluorescent PCR detection on the nucleic acids, and a control device, wherein the extraction strip loading device, the sample holder loading device, the extraction strip transfer gripper, the nucleic acid extraction device and the PCR detection device are all connected to the control device. The problems of relatively poor flexibility and relatively low detection efficiency of a nucleic acid extraction and detection system can be ameliorated, so that a sample detection process is more flexible and convenient.

Abstract: The disclosure provides a compound, an organic electroluminescent device and a display device. Wherein, the compound has a structure as shown in Formula I. The introduction of a substituent Ar2 at the 1-position of naphthalene ring can not only adjust the adjacent steric hindrance size, but also effectively regulate the distortion degree of a molecule so as to reduce the crystallinity of the molecule. Secondly, an arylamino group is introduced at the 2-position, and the introduction of a trisubstituted structure on the arylamino group can effectively regulate the stereostructure of the molecule, improve the packing density of the molecule, so that the materials designed can meet the requirements of devices for materials. The compound of the disclosure can improve the luminous efficiency, reduce the starting voltage and prolong the service life of the device when it is applied to the organic electroluminescent device.

Abstract: A liquid crystal display panel (100) and a display apparatus (200). The liquid crystal display panel (100) includes a color filter substrate (1), an array substrate (2), and a sealant (3). An amorphous silicon layer (4) and a first interlayer dielectric (5) are provided between a shading layer (12) and a first substrate (11), a first through groove (12a) is formed in the shading layer (12) and the amorphous silicon layer (4), and a part of the sealant (3) is filled in the first through groove (12a) and is in direct contact with the first interlayer dielectric (5); and/or a planarization layer (22) is wrapped with a second interlayer dielectric (6), such that the planarization layer (22) is respectively separated from the sealant (3) and a second substrate (21), and the second interlayer dielectric (6) is in direct contact with the sealant (3). The phenomenon of film separation in a liquid crystal display panel is effectively alleviated, and the reliability of the liquid crystal display panel is improved.

Abstract: The present disclosure relates to the technical field of medicine, and in particular to a fibroblast activation protein inhibitor (FAPI) dimer compound, an FAPI dimer-based positron emission tomography (PET) imaging agent for tumor diagnosis, and a preparation method and use thereof An amphiphilic polyethylene glycol (PEG) chain and a dimerized structure of FAPI in the FAPI dimer compound with a structure shown in formula I provided by the present disclosure can improve the in vivo kinetic properties of the compound and prolong a residence time of the compound in a tumor, thereby improving the uptake and imaging effects in the tumor. The accurate tumor diagnosis can be achieved by labeling the FAPI dimer compound with a diagnostic nuclide (68Ga), which has promising application prospects in PET imaging for diagnosis and in the preparation of a therapeutic nuclide (such as 177Lu or 90Y)-labeled drug for treating a FAP-?-expressing tumor.

Abstract: This application disclosed video transmission method and devices. An example method includes obtaining a first video and a second video, where the first video and the second video have same content, and image quality of the first video is lower than image quality of the second video. M first video frames and identifier information of N target frames based on the first video are obtained. Related frames corresponding to the N target frames are obtained from the second video based on the identifier information of the N target frames, where the target frames and the related frames have same identifier information but different image quality. The M first video frames and the N related frames are recorded to obtain a third video, where the third video is transmitted to a receiving device, and a data volume of the third video is less than a data volume of the second video.

Abstract: It is provided an encryption hybrid model SI simulation method based on an ADS and an HSPICE. The method includes: extracting step response data of a TX end chip encryption model by using HSPICE transient simulation; externally generating a random code signal; and taking the extracted step response data and the random code signal as input sources of ADS channel simulation, to realize active simulation to the encryption hybrid model.