Abstract: A large-field of view, high-resolution broadband objective lens, which comprises nineteen spherical lenses that are arranged on the same optical axis. The nineteen lenses sequentially comprise, from an object side to an image side: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, an eighth lens, a ninth lens, a tenth lens, an eleventh lens, a twelfth lens, a thirteenth lens, a fourteenth lens, a fifteenth lens, a sixteenth lens, a seventeenth lens, an eighteenth lens and a nineteenth lens. Compared with previous similar objective lenses, the objective lens has a higher resolution, a larger imaging field of view and a wider working waveband, and can meet the requirement for visible light and near-infrared two-photon, large-field of view, high-resolution imaging.

Abstract: Provided is display panel. The display panel has a display region, an aperture region, and a peripheral region, the peripheral region being disposed around the aperture region, and the display region surrounding the peripheral region; wherein the display panel comprises: a substrate, disposed within the display region and the peripheral region; an inorganic insulating layer, disposed on a side of the substrate, and extending from the display region to the peripheral region; a plurality of conductive isolation pillars; an insulative isolation layer; an organic material layer; and a first electrode, disposed on a side, away from the substrate, of the organic material layer and extending from the display region to the peripheral region.

Abstract: Disclosed is a method for preparing a touch panel. In this method, before a color filter layer in the touch panel is formed, an initial protection layer or an initial encapsulation layer is used to protect the connection interface disposed in a bonding region of the display module.

Abstract: A cell handover method and apparatus, and user equipment are provided. The method includes: when User Equipment (UE) camps on a first cell, obtaining first information, where the first information is used to indicate an abnormal situation when the UE uses a data network corresponding to the first cell; and when the first information meets a first preset condition, handing over from the first cell to a second cell, where the second cell is a cell whose signal quality parameter meets a second preset condition, or the second cell is a cell with the highest access priority; where the first information includes at least one of the following: information about a target data packet, network-related information corresponding to at least one application, a target uplink resource, a data accumulation amount at a data link layer, and a channel quality parameter of the first cell.

Abstract: A process cycle time determination method includes: performing processing to obtain a first dataset based on production process data and attribute data of a line body of a production line; performing two-dimensional matrix conversion on the first dataset to obtain a first matrix when there is a missing value in the first dataset; performing filling on the missing value in the first matrix by using the K-nearest neighbors model and the chain equation model of random forest to obtain a corresponding filling value; filling the filling value in the position of the corresponding missing value in the first dataset to obtain a second dataset; and determining a process cycle time of the target station of the target line body in the production process of the target vehicle type based on the second dataset.

Abstract: The present application provides a battery cell and a battery. The battery cell includes a first electrode plate, a first separator, a second electrode plate, and a second separator which are stacked in sequence, where at least one of a head portion and a tail portion of the first electrode plate is provided with an uncoated foil surface, the uncoated foil surface facing the first separator and being provided with an adhesive layer via which the first separator is bonded to the first electrode plate, such that the battery cell can be wound as a whole, thereby avoiding problems such as wrinkling and electrode plate misalignment at the beginning and end of a winding process, and improving product yield.

Abstract: The present disclosure relates to the technical field of renewable energy, and provides a self-networking method for a module controller, and a related apparatus, to improve the self-networking efficiency for the module controller. The method includes: controlling a power converter to search for multiple initial module controllers; determining multiple candidate module controllers from the multiple initial module controllers, where the multiple candidate module controllers are obtained by filtering the multiple initial module controllers based on a communication link quality between the power converter and each of the multiple initial module controllers and a minimum quality requirement threshold; and networking the multiple candidate module controllers to obtain multiple networked module controllers.

Abstract: The present disclosure provides a self-networking method for a module controller, and related devices, to improve the self-networking efficiency for the module controller. The self-networking method includes: obtaining a PLC link quality value between each module controller and a power converter and obtaining a PLC link quality value between the module controller and other module controller of the multiple module controllers; dividing the multiple module controllers into at least one module controller category based on the PLC link quality values, where each module controller category includes at least one candidate module controller, and the candidate module controller indicates a module controller having an actual physical connection with the power converter; and networking the candidate module controllers in the at least one module controller category by category to obtain a module controller network, where the module controller network includes multiple networked module controllers.

Abstract: A power conversion device, a method for determining a connection state of a power conversion device, a component controller, and a system are provided. The power conversion device includes: a DC input terminal and a control module. The DC input terminal is configured to be connected to a photovoltaic component through a component controller. The control module is configured to: transmit a voltage regulation instruction to the component controller; monitor an input terminal voltage of the DC input terminal connected to the component controller, where the voltage regulation instruction is used for indicating the component controller to regulate an output voltage based on the predetermined voltage change strategy; compare a measured voltage change of the input terminal voltage with a predetermined voltage change strategy; and determine a connection state between the DC input terminal and the component controller based on a comparison result.

Abstract: A control device, a computer-readable storage medium, a module-level power electronics apparatus, a new energy system, a power converter, and a control method for a power converter are provided. The power converter includes a main circuit and a controller. The main circuit is controlled by the controller. The controller regulates a voltage of at least one power supply string and determines that an input open-circuit fault occurs for an MLPE apparatus of which an input voltage changes in the at least one power supply branch.

Abstract: A display substrate includes a display area, wherein the display area includes a plurality of circuit units, a circuit unit includes a pixel drive circuit and at least one signal line transmitting a constant voltage signal, the pixel drive circuit includes at least one pixel transistor; in a direction perpendicular to the display substrate, the display substrate at least includes a first semiconductor layer arranged on a substrate and a second semiconductor layer arranged on a side of the first semiconductor layer away from the substrate.

Abstract: Methods for mapping a subsurface formation can include: generating a velocity model representing the subsurface formation based on the seismic data; determining an upper bound for traveltime within the velocity model from a seismic source; and generating a seismic image of the subsurface formation by migrating the seismic data using Kirchhoff depth migration, where traveltime is calculated through ray tracing, and the maximum traveltime determines the stopping point for ray tracing. Determining an upper bound for traveltime within the velocity model from a seismic source can include: converting the velocity model into a slowness model; integrating slowness along straight paths from the seismic source to boundary points of the slowness model to generate traveltime values; and determining an upper bound of traveltime for seismic rays traveling within the velocity model by selecting a maximum traveltime value from the straight paths.

Abstract: A method may include obtaining seismic data and first predicted traveltimes from a subterranean region of interest and initializing a smooth seismic velocity model. The methods may further include, iteratively or recursively, until a convergence criterion is satisfied, determining an updated smooth seismic velocity model by determining second predicted traveltimes from the smooth seismic velocity model, forming a cost function based, at least in part, on the first predicted traveltimes and the second predicted traveltimes, determining an extremum of the cost function, and perturbing the smooth seismic velocity model based on the extremum. The methods may still further include determining a migrated seismic image using, at least in part, the seismic data and the updated smooth seismic velocity model and determining a location of a hydrocarbon reservoir within the subterranean region of interest using, at least in part, the migrated seismic image.

Abstract: Provided are a preparation method and use of a low-polarity Chenopodium quinoa saponin monomer.

Abstract: A method may include determining various seismic traveltimes using seismic parameter data, an Eikonal function, and a velocity model for the geological region of interest (420). The method may further include determining various computed attenuated traveltimes using an attenuation model for the geological region of interest, an attenuated Eikonal function, the seismic traveltimes, and the seismic parameter data (430). The method may further include determining various predicted attenuated traveltimes using a machine-learning model and the seismic parameter data (440). The method may further include determining error data using a loss function based on a mismatch between the predicted attenuated traveltimes and the computed attenuated traveltimes (450). The method may further include determining whether the machine-learning model satisfies a predetermined criterion based on the error data (460).

Abstract: Provided is a display panel, including: a base substrate, including a display region and a non-display region, wherein the non-display region includes a bendable region and a bonding region; a backplane trace layer, including a first source-drain electrode layer, a first planarization layer, a second source-drain electrode layer, a second planarization layer, and a third source-drain electrode layer that are laminated; a package layer; a touch electrode layer; and a touch trace. The touch trace is disposed in the non-display region and extends through the bendable region to the bonding region. The touch trace includes a first trace portion and a second trace portion. The first trace portion spans the bendable region. The second trace portion is not overlapped with the bendable region. The first trace portion is disposed in the third source-drain electrode layer. The second trace portion is disposed in the touch electrode layer.

Abstract: A touch substrate, a touch display substrate and a touch display device are provided. The touch substrate includes a touch layer including first sensor patterns and second sensor patterns, the first sensor patterns extend in first direction and are spaced apart in second direction, the second sensor patterns extend in second direction and are spaced apart in first direction; at least one of first sensor pattern and second sensor pattern includes body portion and bridge portion, a touch wire region is provided between at least some adjacent body portions, and body portions located on two sides of touch wire region are connected through bridge portion; and the touch substrate further includes touch wires and lead wires, one end of touch wire is connected with sensor pattern, and the other end of touch wire is connected with lead wire, at least some of touch wires are arranged in touch wire region.

Abstract: An anisoplanatic aberration correction method and apparatus for adaptive optical biaxial scanning imaging are provided. Insofar as no adaptive optical wavefront sensor and wavefront corrector are added, an anisoplanatic aberration of biaxial scanning is divided into a plurality of isoplanatic sub-fields of view by means of a time-sharing method and according to a beam scanning trajectory; aberration measurement and closed-loop correction are respectively completed in each isoplanatic region sub-field of view, and a residual aberration of a formed image of each isoplanatic region sub-field of view is also supplementally corrected on the basis of an image processing technology, thereby realizing complete correction of an anisoplanatic aberration of a wide field of view.

Abstract: A method (600) and a system (1000) for generating an adaptive migration taper for a pre-stack seismic dataset are disclosed. The method (600) includes obtaining the pre-stack seismic dataset (602) and a seismic velocity model of a subterranean region (604). The method (600) also includes generating the adaptive migration taper based, at least in part, on the pre-stack seismic dataset (606), and forming a migrated seismic image using a migration function, the seismic velocity model, the pre-stack seismic dataset, and the adaptive migration taper (608). The method (600) further includes determining a location of a hydrocarbon reservoir based, at least in part, on the migrated seismic image (610).