Abstract: A video processing method and device and an apparatus are provided. The method includes: obtaining a video captured by a photographing device; dividing the video into a plurality of regions based on information associated with a global motion state between frames of the video, wherein the plurality of regions includes a region of interest (ROI) and a non-region of interest (non-ROI); and performing different image processing on the ROI and the non-ROI to achieve different levels of clarity for the ROI and the non-ROI. Present disclosure can effectively save transmission resource usage while ensuring the user's subjective visual experience.

Abstract: A conjugate of antibody-eribulin or a derivative thereof, an intermediate thereof, a preparation method therefor, a pharmaceutical composition thereof and use thereof. The conjugate of the antibody-eribulin or the derivative thereof provided herein as shown in general formula I is shown below. The conjugate of general formula I has high anti-tumor activity and high stability in circulation, and has excellent tumor tissue targeting property and therapeutic indexes.

Abstract: A power drive circuit, includes: a battery pack, a first switch, a voltage adjustment circuit, a first bridge-arm conversion circuit, and a second bridge-arm conversion circuit. A first end of the voltage adjustment circuit is connected to a first end of the battery pack, and a second end of the voltage adjustment circuit is connected to a second end of the battery pack. The first switch is connected to the first end of the battery pack and a third end of the voltage adjustment circuit, and the first bridge-arm conversion circuit and the second bridge-arm conversion circuit are connected in parallel between the second end and the third end of the voltage adjustment circuit. The first bridge-arm conversion circuit is configured to connect to a first electric motor of a vehicle, and the second bridge-arm conversion circuit is configured to connect to a second electric motor of the vehicle.

Abstract: An electronic device includes an antenna unit having an antenna body having a feed point and a ground point between a first end and a second end. The antenna body has an operating band with a resonance of a first wavelength. An electrical length of the antenna body from the feed point to the ground point is greater than or equal to ¼ and less than ½ of the first wavelength. An electrical length from the first end to the feed point is greater than or equal to ? and less than or equal to ¼ of the first wavelength. An electrical length from the second end to the ground point is greater than or equal to ? and less than or equal to ¼ of the first wavelength. The antenna body is adapted to operate in a slot mode and in a wire mode.

Abstract: A forwarding device receives at least one service flow; the forwarding device obtains service information of the at least one service flow, where the service information of the service flow includes identification information of a network object to which the service flow belongs and M key performance indicators KPIs of the service flow, M is an integer greater than 0, and the network object includes one or more devices; and the forwarding device sends training information to a first device, where the training information includes the service information of the at least one service flow or a feature set obtained based on the service information of the at least one service flow, the training information is used to train a fault detection model, and the fault detection model is used to detect whether the network object is in a faulty state.

Abstract: An electronic system having a mounting substrate with a plurality of layers. The mounting substrate includes a plurality of layers having pad structures each configured with a pad within an anti-pad opening. The pad structures are connected with via. The pad structures are configured to reduce the impedance of the via by altering the shape, size, and position of the pads and the anti-pad openings. The pads of the pad structures are configured as functional and non-functional pads based on the impedance targets for the vias.

Abstract: The present disclosure provides a method for preparing a solar cell, a solar cell, and a solar cell module. An example solar cell includes a solar cell body, a first conductive pattern and a second conductive pattern sequentially laminated on the solar cell body, and electrically connected through one of welding, eutectic bonding, a conductive adhesive pattern between the first and the second conductive patterns, or a third conductive pattern between the first and the second conductive patterns. The conductive adhesive pattern comprises a conductive material and an adhesive. The third conductive pattern includes a first part close to the first conductive pattern, a second part close to the second conductive pattern, and a middle part between the first and the second parts. A grain size of the third conductive pattern increases from the first part to the middle part and increases from the second part to the middle part.

Abstract: An azimuth ambiguity suppression method for a spaceborne SAR in spatially non-uniform sampling relates to the technical field of radars. The method includes the following steps: step 1: compensating for a phase difference between the channels according to the locations of transmitting and receiving stations for channel echoes; step 2: calculating an equivalent azimuth sampling location of each channel at the moment of each pulse transmission; step 3: sorting the equivalent azimuth sampling locations of all channels and their corresponding echoes after the phase difference between the channels is compensated in ascending order; and step 4: calculating reconstructed echoes from the sorted equivalent azimuth sampling locations and corresponding echoes after the phase difference between the channels is compensated, by using an adaptive weight-conjugate gradient-Toeplitz matrix (ACT) algorithm.

Abstract: Disclosed are a carrier data processing method and apparatus, a network device, and a storage medium. The carrier data processing method includes: acquiring multiple groups of carrier data and a carrier aggregation configuration parameter corresponding to the multiple groups of carrier data (S100); performing first processing on the multiple groups of carrier data according to the carrier aggregation configuration parameter to obtain frequency-domain carrier aggregation data (S200); performing second processing on the frequency-domain carrier aggregation data to obtain time-domain carrier aggregation data (S300); and performing third processing on the time-domain carrier aggregation data to obtain multiple groups of time-domain carrier data (S400).

Abstract: In certain aspects, a memory device includes an array of memory cells, a plurality of word lines coupled to the array of memory cells, and a plurality of peripheral circuits coupled to the array of memory cells and configured to control the array of memory cells. A first peripheral circuit of the plurality of peripheral circuits includes a first three-dimensional (3D) transistor coupled to the array of memory cells through at least one of the plurality of bit lines. The first 3D transistor includes a 3D semiconductor body, and a gate structure in contact with a plurality of sides of the 3D semiconductor body. The gate structure includes a gate dielectric and a gate electrode.

Abstract: An electronic device includes a housing and a display screen that enclose an internal space. The housing includes a first conducting layer, and the display screen includes a second conducting layer. The first conducting layer and the second conducting layer are layered, and a conducting connection member disposed inside the electronic device is electrically connected between the first conducting layer and the second conducting layer. The first conducting layer, the conducting connection member, and the second conducting layer jointly enclose a cavity with a slot, forming a cavity-backed slot antenna.

Abstract: A wrench comprises a handle, a tube, an actuating-part and a scale mark area; the handle comprises a hollow rotation handle, a movable plug, a screw rod drive component and a locking component, an end of the hollow rotation handle engages with a tail end portion of the scale mark area by rotation, the screw rod drive component comprises a rotary portion and a screw rod portion, and an adjusting threaded-sleeve is sleeved over the screw rod portion; a tube positioning piece engaging with the rotary portion by rotation is provided on the rotary portion; the locking component comprises a handle insert and positioning pins, the handle insert is installed on the rotary portion via a key and an outer surface of the handle insert is connected with an inner surface of the hollow rotation handle, and positioning pins are provided at a front end portion of the movable plug.

Abstract: The present invention relates to the field of therapeutic monoclonal antibodies, and specifically provides an anti-FXI/FXIa antibody or an antigen-binding fragment thereof, nucleic acid molecules encoding same, and methods for preparing same. The anti-FXI/FXIa antibody or antigen-binding fragment thereof described in the present invention has specificity and high affinity to FXI/FXIa, and can effectively inhibit the activity of FXI/FXIa. Therefore, the present invention further provides a pharmaceutical composition comprising the antibody or antigen-binding fragment thereof, and a use thereof in the preparation of a drug which is used for the prevention and/or treatment of diseases or disorders related to coagulation or thromboembolism.

Abstract: The present disclosure provides for multi-specific antibodies and antigen-binding fragments thereof that bind to human MUC1 and CD16A, pharmaceutical compositions comprising said antibodies, and use of the antibodies or the compositions for treating a disease, such as cancer.

Abstract: Provided is a damping hinge for controlled closing of a door or gate. The damping hinge includes a first clamp plate configured to be mounted to a fixed supporting panel; a second clamp plate configured to be mounted to a panel of the door or gate, wherein the second clamp plate is connected with the first clamp plate for relative rotation about a hinge axis; and a damping mechanism arranged on one of the first clamp plate and the second clamp plate and including a damper arranged substantially parallel to the hinge axis and configured to retard or control relative rotation of the second clamp plate towards the first clamp plate during closing of the hinge. The damping mechanism may be arranged such that the damping mechanism is located outside of a plane of the respective panel and adjacent or next to an outer or facing surface of that panel.

Abstract: An electronic device includes a radiator, a feed point, and a ground point. The plurality of radiators include a first radiator, a second radiator, and a third radiator. A first end of the first radiator and a first end of the second radiator are opposite to each other, and form a first gap. A second end of the first radiator and a first end of the third radiator are opposite to each other, and form a second gap. The feed point and the ground point are disposed on the first radiator. The ground point is disposed in a central region of the plurality of radiators or the first radiator, and the feed point is disposed between the central region and the first end of the first radiator. Gaps are formed between a plurality of radiators, so that a broadband antenna can be implemented.

Abstract: A method for traceability calibration of calibration device of rock chiseling specific power tester includes static calibration and dynamic calibration. Static calibration includes: placing impact indicator sensor of calibration device on static calibration stage; installing standard weight holder on adapter head of impact indicator sensor; adding a standard weight to standard weight holder several times; and calculating static coefficient k. Dynamic calibration includes: placing impact indicator sensor on dynamic calibration stage; resetting dynamic calibration coefficients a and b of calibration device; recording standard impact energy W0 of dynamic standard hammer and measured indication value W of impact indicator sensor to obtain standard deviation S=W?W0; and calculating dynamic coefficients a and b. Rock chiseling specific power magnitude is effectively traced to equal mass standard of standard weights. A new traceability method and system for specific power magnitude is constructed.

Abstract: Embodiments of this application relate to the field of storage technologies, and disclose a data backup method and a terminal, to back up user data in a terminal when the terminal cannot be used. A specific solution is as follows: A terminal includes a first data partition, and the first data partition supports to start an operating system when the terminal is powered on. The terminal starts the operating system by using a second data partition after detecting a power-on failure of the terminal or detecting a preset operation of a user. The second data partition is a blank data partition. After the operating system is successfully started, the terminal transmits user data in the first data partition to a first storage medium. The first storage medium is located outside the terminal and is connected to the terminal.

Abstract: This application provides an antenna having an L-shaped antenna body. The antenna body comprises a first end, a second end, and a feed point, a physical length between the feed point and the first end is greater than a physical length between the feed point and the second end, the antenna body generates resonance of a first wavelength between the feed point and the first end, and the antenna body generates resonance of a second wavelength between the first end and the second end, wherein the first wavelength is greater than the second wavelength. The antenna can have relatively good radiation performance regardless of whether the electronic device is in free space (FS) or in a handheld state.