Abstract: The present invention provides an active distribution network physics-information fusion control method for a hybrid system model includes an initialization time being a starting time, predicting power output and load of a feeder intermittent distributed power supply within a control time period T, calculating a feeder exchange power deviation variation ?P(t) during the control time period, if being a fixed distribution coefficient, and establishing a hybrid system model for feeder power coordinated control; if being a rolling distribution coefficient, an exchange power P(t) of the control region at time t being obtained, generating a distribution coefficient matrix W(t), and establishing the hybrid system model of the said feeder power coordinated control; confirming a control objective function min J, converting it into a MIQP, obtaining a full period control quantity; selecting a first control quantity P of the optimized control sequence, sending the first control quantity P to the control device.

Abstract: A pixel driving circuit and a display panel are provided. The pixel driving circuit includes a data writing module, a data conversion module, and a current driving module. The data writing module is electrically connected to a first node and configured to transmit a data signal to the first node. The data conversion module is electrically connected to the first node, a second node, and a modulation signal source, and configured to generate a current driving control signal, and to output the current driving control signal to the second node. The current driving module is electrically connected to the second node, a light-emitting control wire, and a light-emitting device, and configured to control the light-emitting device to emit light. An effective pulse of the current driving control signal has different pulse widths in different gray-scale states.

Abstract: Provided is a display panel. The display panel includes: a base substrate, including a display region and a periphery region at least partially surrounding the display region, wherein the display region includes a first display region and a second display region disposed at least on one side of the first display region, a light transmittance of the first display region being greater than a light transmittance of the second display region; a plurality of first pixel units disposed on the base substrate and in the first display region; and a plurality of signal lines disposed at least in the first display region and electrically connected to the plurality of first pixel units, wherein the plurality of signal lines include a plurality of first signal lines and a plurality of second signal lines.

Abstract: Disclosed a method for predicting permeability of a multi-mineral phase digital core based on deep learning. In the present disclosure, a three-dimensional digital core is constructed and a pore structure is randomly generated; after a plurality of multi-mineral digital core images is acquired by performing image segmentation on the three-dimensional digital core, permeability corresponding to each of the multi-mineral digital core images is acquired by simulation using multi-physics field simulation software and a multi-mineral digital core data set is constructed based on the plurality of multi-mineral digital core images and the permeability corresponding to each of the multi-mineral digital core images; an SE-ResNet18 convolutional neural network is constructed and trained with the multi-mineral digital core data set; and an image of a multi-mineral core to be predicted is input into the trained SE-ResNet18 convolutional neural network to determine the permeability of the multi-mineral core.

Abstract: Provided is a refined Goss-grain aluminum alloy plate and a preparation method thereof. The refined Goss-grain aluminum alloy plate includes the following compositions: 3.7-4.8 wt % of Cu, 1.2-1.7 wt % of Mg, 0.3-0.8 wt % of Mn, 0.03-0.10 wt % of Ti, and the balance of Al. The refined Goss-grain aluminum alloy plate is prepared by a method including subjecting an Al—Cu—Mg alloy ingot with a certain composition to a homogenizing at a temperature of 470-505° C., a hot rolling at high temperature of 465-495° C. with a large deformation of 80%-98% and a high final temperature, then directly to a cold rolling with a small or medium deformation of 5% to 50%, and then to a recrystallization and annealing treatment at a temperature of 300-450° C., a solid solution treatment at a temperature of 460-505° C., and a natural aging treatment for at least 96 hours.

Abstract: The present invention provides a 2-pyridone derivative having a structure represented by formula I, or a stereoisomer or pharmaceutically acceptable salt thereof. Activity experiment results show that the 2-pyridone derivative provided in the present invention has higher activity and selectivity, and can be used to treat thyroid hormone receptor-related diseases.

Abstract: An application of a prokaryotic Argonaute protein with only a cleavage activity of a target ribonucleic acid (RNA) in RNA editing is provided. The Argonaute protein is derived from a mesophilic prokaryotes Verrucomimicrobia bacterium, and its amino acid sequence is shown in SEQ ID NO: 1 or a protein with high similarity to SEQ ID NO: 1 and the same function. This protein has binding activity to a single-stranded guide DNA and nuclease activity only to the target RNA complementarily paired with the single-stranded guide DNA. Therefore, the protein can be utilized for in vitro and in vivo targeted RNA editing, providing a new powerful tool for RNA editing.

Abstract: The present disclosure provides a multi-factor quantitative analysis method for deformation of a neighborhood tunnel. The method includes the following steps: analyzing monitoring data generated at a tunnel site; simulating collapse occurring at a shallow buried section of a tunnel; determining the degree of influence of each factor on the tunnel and a stratum; and determining quantitative influence of each factor on tunnel deformation. The present disclosure can not only provide an accurate theoretical basis for the construction of the shallow buried section of the small-distance tunnel, but also guarantee safety and cost saving during tunnel construction.

Abstract: A silicon-based anode material for secondary batteries, a preparation method thereof and a secondary battery are provided. The silicon-based anode material includes: an inner core including an Si particle and silicon oxide SiOx1, where 0<x1<2, a first shell layer including a compound of the general formula MySiOz (0<y?4, 0<z?5, and z?x1) and a C particle, wherein the first shell layer covers the inner core, and the contents of M and C in the first shell layer gradually increase from a side thereof close to the inner core to another side thereof far away from the inner core; and a second shell layer including a carbon film layer or a composite film layer formed by a carbon film layer and a conductive additive, the second shell layer covers the first shell layer. The first charge-discharge cycle capability of the silicon-based anode material is improved, and the manufacturing cost is reduced.

Abstract: The present disclosure describes techniques of metadata management for transparent block level compression. A first area may be created in a backend solid state drive. The first area may comprise a plurality of entries. The plurality of entries may be indexed by addresses of a plurality of blocks of uncompressed data. Each of the plurality of entries comprises a first part configured to store metadata and a second part configured to store compressed data. Each of the plurality blocks of uncompressed data may be compressed individually to generate a plurality of compressed blocks. Metadata and at least a portion of compressed data associated with each of the plurality of compressed blocks may be stored in one of the plurality of entries based on an address of a corresponding block of uncompressed data. A second area may be created in the backend solid state drive for storing the rest of the compressed data.

Abstract: Split-cell and multi-panel photovoltaic backtracking control systems and methods allow for increased total power generation during low sun elevation conditions by shading a percentage of panel modules, thereby allowing for a lower angle of incidence on unshaded modules. The control systems and methods involve determining a sun elevation angle, a traditional backtracking angle, a split-cell or multi-panel backtracking angle, a single-cell or single-panel relative light transmission (RLT) based on the single-cell or single-panel backtracking angle, and a split-cell or multi-panel RLT based on the split-cell or multi-panel backtracking angle. If twice the single-cell or single-panel RLT is greater than the split-cell or multi-panel RLT, the split-cell or multi-panel backtracking angle is used; otherwise, the single-cell or single-panel backtracking angle is used.

Abstract: The disclosure relates to technology for secure compute. One aspect includes a network device, comprising a non-transitory memory comprising instructions; and one or more processors in communication with the non-transitory memory storage. The one or more processors execute the instructions to receive and process routing requests in a network; send an indication into the network that the network device is able to perform secure computes; perform a secure compute based on an input received via the network from an input device; ensure that a result of the secure compute is trusted as a correct result of the secure compute; and provide the trusted result of the secure compute to a result device connected to the network.

Abstract: Disclosed is a display substrate, comprising: a base substrate, multiple first pixel circuits, multiple first light-emitting elements, and at least one first signal line. The multiple first pixel circuits and the multiple first light-emitting elements are located in a first display area. At least one first pixel circuit is electrically connected to at least one first light-emitting element, and is configured to drive the at least one first light-emitting element to emit light. The at least one first signal line is configured to provide, in a first direction, a first signal for the multiple first pixel circuits. The at least one first signal comprises a first sub-signal line and a second sub-signal line that are electrically connected in parallel, the first sub-signal line is located in the first display area, and the second sub-signal line is located in a second display area.

Abstract: An ambulance-type mobile catheter room for cardiovascular interventional surgery enables interventional diagnosis and treatment devices for acute and severe cardiovascular diseases to be deployed quickly, is flexible and high in adaptability, and provides hardware devices for cardiovascular diagnosis and treatment interventional surgeons to timely diagnose and treat patients. The ambulance-type mobile catheter room for cardiovascular interventional surgery includes an ambulance. The ambulance is internally provided with an antibacterial internal environment, a robotic angiography machine system, a wireless medical Internet of Things system, a self-generating system and an auxiliary system.

Abstract: A chimeric lysozyme variant has an improved heat resistance and is encoded by a polynucleotide. A novel chimeric lysozyme sequence is constructed, and high-efficiency expression in a host cell is achieved. The thermal stability of the chimeric lysozyme under the condition of 60° C. is nearly doubled compared to a parental sequence. The chimeric lysozyme variant can be used to prepare product that is antibiotic, for example, animal feed additive containing the chimeric lysozyme variant and an animal feed containing the animal feed additive.

Abstract: A folding mechanism is provided, including a base portion, a first housing seat, a second housing seat, a first screen supporting plate, a second screen supporting plate, and a third screen supporting plate. The first housing seat is rotatably disposed on the first screen supporting plate, the second housing seat is rotatably disposed on the second screen supporting plate, and the third screen supporting plate is movably connected to the base portion in its own support direction. The first housing seat is rotatably connected to the base portion by a first swing arm, the second housing seat is rotatably connected to the base portion by a second swing arm, the first screen supporting plate is slidably and rotatably connected to the base portion by a third swing arm, and the second screen supporting plate is slidably and rotatably connected to the base portion by a fourth swing arm.

Abstract: A control circuit for an isolated power converter includes a first sensing circuit that senses a secondary side output voltage and produces a pulse wave modulation (PWM) signal having a duty cycle that is proportional to a value of the secondary side output voltage. The PWM is transferred across the converter isolation barrier to the primary side, and a primary side circuit receives the PWM signal and outputs a control signal. A controller determines the value of the secondary side output voltage from the control signal and uses the value to control primary side power switching devices of the isolated power converter to regulate the secondary side output voltage at a selected value.

Abstract: This application provides a method and an apparatus for editing a block chain. The method for editing a block chain includes: A first node receives a request message used to request to edit data, and performs endorsement on the request message to generate an endorsement result. Further, the first node sends the endorsement result to each of at least one second node, where the at least one second node belongs to a second node set. The node with the endorsement function in the block chain performs endorsement on an editing request, and sends an endorsement result to a node with an editing function, to implement block chain editing while improving security assurance.