Abstract: Disclosed are a CRISPR-Cas14a responsive photoelectrochemical sensing detection method and a kit for detecting T2 toxin, relating to the technical field of small molecule toxin detection; the detection method includes: (1) preparation of a magnetic probe; (2) electrode modification; (3) identification of magnetic beads; (4) SDA isothermal amplification; (5) cutting; (6) photoelectrochemical detection; and (7) standard curve plotting. According to the present application, using SDA to enlarge and amplify the signal isothermally, target is detected by Cas14a trans cleavage property and photoelectric signal with good stability, high specificity of reaction, high sensitivity.

Abstract: Disclosed are an extended U-Net for multi-information extraction and an application method thereof in low-dose X-ray imaging. The follow technical solution is adopted: expanding the number of output channels in upsampling of a U-Net model, adding a fully connected layer at the end to realize extraction and superposition calculation of multiple information, processing low-dose X-ray images by using the extended U-Net, and taking normalized images, noise and image salient features as outputs for learning and training.

Abstract: A tiller includes a frame, an operation device, an operation driving assembly, an energy storage assembly, and a control assembly. The operation device includes a tine assembly. The operation driving assembly is coupled to the frame and the tine assembly to drive the tine assembly to rotate. The energy storage assembly is coupled to the frame and the operation driving assembly and supplies power thereto. The control assembly is electrically coupled to the operation driving assembly to control a rotating direction of the operation driving assembly, so as to enable the tine assembly to rotate forward or backward.

Abstract: A power circuit, a method for driving the same, and a display device are provided. The power circuit is applied to a display device including a driving circuit configured to input a reset image to a display panel under an effect of a first polarity signal. The power circuit includes: a voltage input terminal configured to provide a power voltage to the display panel during a power-on phase, and stop providing the power voltage during a power-off phase; a first unidirectional conduction circuit configured to: transmit a signal from the voltage input terminal to a first output terminal, and block a signal from the first output terminal to the voltage input terminal; a storage circuit configured to store a charge of the first output terminal; and a detection circuit configured to input the first polarity signal to the driving circuit when the voltage input terminal loses power.

Abstract: A display substrate and a display device are provided. The display substrate includes sub-pixels, first data lines, and first power signal lines. The sub-pixel includes a light emitting element including a second electrode. The sub-pixel includes a first connecting portion including a first sub-connecting portion and a first block. The second electrode is overlapped with the first data line, the first power signal line and the first connecting portion, the first power signal line and the first data line are located at both sides of the first connecting portion. A ratio of a minimum distance between edges of the first sub-connecting portion and the first data line which are close to each other to a minimum distance between edges of the first block and the first power signal line which are close to each other is in a range from 0.8 to 1.2.

Abstract: A nonlinear perfect vector beam generation element and a preparation method thereof are provided. The element includes a first glass substrate, a first photoalignment layer, a ferroelectric nematic liquid crystal layer, a second photoalignment layer and a second glass substrate. The first glass substrate and the second glass substrate are arranged oppositely. The first photoalignment layer and the second photoalignment layer are respectively disposed on inner sides of the first glass substrate and the second glass substrate. The first photoalignment layer and the second photoalignment layer are provided with a nonlinear perfect vector beam control pattern. The nonlinear perfect vector beam control pattern controls liquid crystal molecules in the ferroelectric nematic liquid crystal layer to exhibit a concentric ring alignment distribution of multiple periods.

Abstract: A communication method performed by a communication apparatus includes receiving first indication information broadcast by a network device. The first indication information indicates configuration information of a first reference signal that corresponds to a first beam and information about a first antenna port number that corresponds to the first beam. The communication method also includes determining the first reference signal based on the first indication information.

Abstract: The present disclosure provides a temperature field device for crystal growth. The temperature field device may include a drum; a filler filled in the drum and configured to support a crucible; a bottom plate mounted on a bottom of the temperature field device and covering a bottom end of the drum; and a cover plate mounted on a top of the temperature filed device and covering a top end of the drum.

Abstract: A display panel includes a display substrate, first touch structures and second touch structures. A first touch structure includes first touch electrodes arranged in at least one column and first connection portions, and first touch electrodes in at least one column are connected through first connection portions. A second touch structure includes second touch electrodes arranged in at least one row and second connection portions, and second touch electrodes in at least one row are connected through second connection portions. An overlapping region where an orthographic projection of a second connection portion on the display substrate partially overlaps with an orthographic projection of a first connection portion on the display substrate is a bridge sub-region. A curvature radius of the display substrate is greater than or equal to 4.5 mm in a bridge sub-region that is in a curved region of the display substrate.

Abstract: A vehicle body frame includes: a front transverse beam, a first front longitudinal beam, and a second front longitudinal beam. The first front longitudinal beam and the second front longitudinal beam are disposed at an interval along a left-and-right direction, each of the first front longitudinal beam and the second front longitudinal beam includes a longitudinal-beam rear-section front portion and a longitudinal-beam rear-section rear portion connected to each other, the longitudinal-beam rear-section front portion is connected to the front transverse beam, and an upper surface of the longitudinal-beam rear-section front portion and an upper surface of the front transverse beam are located in a same plane.

Abstract: A method for waking up an implantable medical device from a dormant state comprises: sending a wake-up signal via a wireless link by means of an external device; receiving the wake-up signal by the implantable medical device in the dormant state; activating an awake state of the implantable medical device in response to the wake-up signal; attempting with at least one or a predefined number of attempts, in the awake state of the implantable medical device, to establish a communication between the external device and the implantable medical device; identifying, by the implantable medical device, the activation of the awake state as a valid activation based on the attempting to establish a communication; and in case the activation of the awake state is not identified as a valid activation, blocking a subsequent activation of the awake state of the implantable medical device based on the wake-up signal.

Abstract: A display substrate and a display device are provided. Sub-pixels in the display substrate includes a light emitting element including a light emitting region. The light emitting element includes a light emitting functional layer, a first electrode and a second electrode. One defining structure is disposed between the light emitting regions of two adjacent sub-pixels having different colors. The adjacent sub-pixels include a first sub-pixel and a second sub-pixel. A ratio of a distance between edges, close to each other, of the light emitting region of the first sub-pixel and the one defining structure to a distance between edges, close to each other, of the light emitting region of the second sub-pixel and the one defining structure is 0.1 to 0.8. At least one layer of the light emitting functional layer is disconnected at an edge of the structure.

Abstract: A method for dynamically adjusting a proxy server timeout includes identifying each microservice within a proxy server and mapping a topology of microservices, assigning each microservice to one of an application layer, a middleware layer and an infrastructure layer. Defining each representational state transfer (REST) application programming interface (API) calling relationship between each microservice and each other microservice. Determining a corresponding regression model defining a response time of each microservice based at least in part on a set of available response time predictors. Building a sequence model for at least one microservice in the application layer. Predicting an incoming REST API call and identifying a probable sequence model corresponding to the predicted incoming REST API call. Updating a timeout value of the predicted REST API call within the proxy server based on the sequentially predicted response times.

Abstract: A display substrate and a display device are provided. The display substrate includes a conductive structure and an inorganic layer. The display substrate includes a first region and a second region; the conductive structure and the inorganic layer are located in the first region and the second region. The first region includes a display region, the second region includes a non-display region, the display region includes sub-pixels and a definition structure; the sub-pixel includes a light-emitting functional layer, the definition structure includes a portion of the inorganic layer located in the display region, and a portion of the definition structure located between adjacent sub-pixels is configured to isolate the light-emitting functional layer; in the second region, the inorganic layer includes a sub-portion exposing at least a portion of the conductive structure and/or includes a sub-portion in contact with the conductive structure.

Abstract: Embodiments of the present disclosure relate to a data processing method and apparatus based on a key-value database, a device, a storage medium, and a key-value database system. The method includes: sending, upon determining that there is key-value data to be cached in a graphics memory of a graphics processing unit, a data storage request for the key-value data to be cached to a key-value database server, where the data storage request carries storage address information and storage length information of value data of the key-value data to be cached in the graphics memory; and receiving a data read request that is sent by the key-value database server, the data read request carrying the storage address information, and controlling a first network interface card supporting a remote direct memory access protocol to read, from the graphics memory, the value data of the key-value data to be cached.

Abstract: A variable flux permanent-magnet synchronous motor, a powertrain, and a fan are disclosed, which are applied to the field of motors. The variable flux permanent-magnet synchronous motor includes a stator system 10, a rotor system 20, and a variable magnet system 30. The variable magnet system 30 is located in the stator system 10 or the rotor system 20. The rotor system 20 includes a first permanent magnet 201. The variable magnet system 30 includes a second permanent magnet 301 and a heating apparatus 302. Coercive force of the second permanent magnet 301 is lower than coercive force of the first permanent magnet 201. The heating apparatus 302 is configured to heat the second permanent magnet 301, so that the second permanent magnet 301 has variable flux in a magnetic field.

Abstract: An image obtaining method and an electronic device relate to the field of photographing technologies. An electronic device receives a first operation of a user; displays a first interface in response to a first operation; selects a second image—from a first video stream, where the first video stream is obtained by an ISP by performing, on a plurality of frames of first images, first processing including subsampling; buffers the first images in a first buffer queue; uses m frames of first images corresponding to the second image in the first buffer queue as an input, and runs a preset RAW domain image processing algorithm to obtain a third image; performs, by using an ISP, second processing not including subsampling on the third image, to obtain a fourth image; and after video recording ends, displays a highlight image obtained by encoding the fourth image.

Abstract: This application provides a communication method and a communication apparatus, and may be applied to a non-terrestrial communication network. In the method, a first terminal device receives first information and second information from a first node, where the first information includes common information for performing mobility management on at least one terminal device in at least one zone corresponding to a second node, the second information includes dedicated information for performing mobility management on the first terminal device, the at least one zone includes a zone served by the first node, and the at least one terminal device includes the first terminal device; the first terminal device performs, based on the first information and the second information, a mobility management procedure in the zone served by the first node; and the first terminal device receives updated second information from the first node.

Abstract: A method for hybrid thinking model distillation, including: adjusting, based on training progress, a data ratio between thinking mode data and non-thinking mode data in training data; obtaining, based on adjusted training data, a first output sequence generated by a teacher model in the non-thinking mode and a second output sequence generated by the teacher model in the thinking mode; obtaining, based on the adjusted training data, a third output sequence generated by a student model in the non-thinking mode and a fourth output sequence generated by the student model in the thinking mode; and training the student model based on the first output sequence, the second output sequence, the third output sequence, and the fourth output sequence.

Abstract: An array substrate and a display device. The array substrate includes a base substrate, a plurality of first pixel driving circuits, M first data lines, and M first leads; the plurality of first pixel driving circuits are in the second region, the first region and the second region are arranged in the first direction, the M first leads are respectively connected with the M first data lines, each of the first leads includes a first sub-lead portion and a second sub-lead portion, the array substrate further includes a plurality of second pixel driving circuits in the first region, a second interval is between two adjacent second pixel driving columns, the second interval is an interval between two orthographic projections of two storage capacitors of the two adjacent second pixel driving columns on the base substrate, at least two second sub-lead portions are provided in the second interval.