Abstract: A method, an equipment and a medium for linear engineering geological tridimensional zoning are disclosed by the present disclosure, which relate to the field of rock engineering geomechanics. The method includes: the working area undergoes plane engineering geological zoning to obtain a preliminary plane engineering geological zoning result; the preliminary plane engineering geological zoning result is optimized to obtain a final plane engineering geological zoning result; the working area undergoes profile engineering geological zoning to obtain a preliminary profile engineering geological zoning result; the preliminary profile engineering geological zoning result is optimized to obtain a final profile engineering geological zoning result; and the final plane engineering geological zoning result is combined with the final profile engineering geological zoning result to obtain a linear engineering geological tridimensional zoning image.

Abstract: Embodiments disclosed herein include electronic packages. In an embodiment, the electronic package comprises a first substrate; a second substrate; and an array of interconnects electrically coupling the first substrate to the second substrate. In an embodiment, the array of interconnects comprises first interconnects, wherein the first interconnects have a first volume and a first material composition, and second interconnects, wherein the second interconnects have a second volume and a second material composition, and wherein the first volume is different than the second volume and/or the first material composition is different than the second material composition.

Abstract: Disclosed herein are microelectronic assemblies, as well as related apparatuses and methods. In some embodiments, a microelectronic assembly may include a substrate having a surface; a die having a first surface and an opposing second surface, wherein the first surface of the die is coupled to the surface of the substrate by interconnects, and wherein the second surface of the die has a roughness between 100 nanometers and 500 nanometers; a cooling apparatus thermally coupled to the second surface of the die; and a material between the second surface of the die and the cooling apparatus. In some embodiments, the material includes a thermal interface material. In some embodiments, the material includes a solder-based thermal interface material in direct contact with the second surface of the die and with the cooling apparatus.

Abstract: A method and an apparatus for building an adaptive scale awareness-based power transmission detection model. The method includes the following steps: acquiring a training image data set for power transmission detection, and performing analysis processing on the training image data set; building an initial power transmission detection model that integrates awareness scale information and spatial information by using a YOLOv5 algorithm framework as a baseline; iterating parameters of the awareness scale information and the spatial information combined with the training image data set; and building an adaptive scale awareness-based power transmission detection model based on an iteration result.

Abstract: In one embodiment, an integrated circuit apparatus comprises a substrate that includes electrical contacts on a first side of the substrate to couple the substrate to an integrated circuit die, a passivation layer on a second side of the substrate opposite the first side, metal pads on the second side of the substrate and within openings defined by the passivation layer, and solder bumps on the metal pads. The solder bumps are a material that is resistant to Gallium-based liquid metal embrittlement.

Abstract: A method and an apparatus for controlling a shutoff device, and a shutoff device. The shutoff device includes N main switching transistors and N bypass switching transistors. The method includes: controlling the N main switching transistors to be turned on after receiving a heartbeat signal; determining whether a power supply voltage of a processor is less than a first under-voltage protection voltage; and if so, controlling the N main switching transistors to be turned off, and controlling the N bypass switching transistors to be turned on. Thus, N photovoltaic modules and N main switching transistors corresponding to a shutoff device are separated from multiple photovoltaic module groups, so that the photovoltaic module groups corresponding to other shutoff devices can normally output DC voltage to an inverter, and the inverter can normally output AC power for integration into a power grid, thereby ensuring the normal operation of the photovoltaic system.

Abstract: A system for solder processing a semiconductor device can be performed with LAR (laser assisted reflow) with a low temperature matrix tray. The system includes a tray shield to shield the matrix tray from excessive heat exposure during solder reflow. The shielding prevents heat exposure past the point of warpage during reflow due to heat exposure from laser light. The LAR has a laser source that provides collimated laser light to induce solder reflow in the target semiconductor device.

Abstract: A computer-vision-based safety monitoring and early warning method and system for a transmission line. The method includes: acquiring a scene image of the transmission line; identifying a transmission channel area and dynamic targets on the scene image; determining an interference result between the dynamic targets and the transmission channel area based on an identification result of the transmission channel area and the dynamic targets, specifically including: overlapping and comparing trajectory information of the dynamic targets with the transmission channel area to give an overlapping result; based on the overlapping result, screening out a dynamic target of which the trajectory information overlaps with the transmission channel area; and determining alarm information based on the interference result.

Abstract: The present application belongs to the technical field of functional additives for concrete materials, in particular relates to an oxidized lignin polycarboxylate salt, and further discloses its use for preparing high-efficiency water reducer. The method for preparing oxidized lignin polycarboxylate salt as described in the present application involves oxidizing and modifying lignin under alkaline conditions, and polymerizing oxidized lignin, carboxylic acid based small monomers and alkenyl polyethylene glycol ether as monomers to obtain oxidized lignin polycarboxylate salt that can be used as an high-efficiency water reducer.

Abstract: A method includes obtaining a first data matrix and a first index matrix that correspond to a first sparse matrix, and a second data matrix and a second index matrix that correspond to a second sparse matrix; determining, based on each row of elements in the first index matrix and each column of elements included in the second index matrix, target elements on which a dot product operation is to be performed in each row of elements in the first data matrix and each column of elements in the second data matrix; and performing a dot product operation on the target elements to obtain a first result matrix of performing a sparse multiplication operation on the first sparse matrix and the second sparse matrix.

Abstract: A matrix storage method and apparatus are provided. In the method, a plurality of first sub-blocks corresponding to a to-be-stored original matrix are obtained. The plurality of first sub-blocks are obtained after blocking is performed on the original matrix by using a sub-block with a scale of M1×N1 as a unit and a non-zero element in each submatrix obtained through blocking is compressed in a specified direction, where M1 and N1 are positive integers. Blocking is performed on each first sub-block by using a sub-block with a scale of M2×N2 as a unit to obtain a plurality of second sub-blocks, where M2 is a positive integer not greater than M1, and N2 is a positive integer not greater than N1. Data of the plurality of second sub-blocks is sequentially stored by using a second sub-block as a unit.

Abstract: A die package comprises a substrate comprising a solder pad element, a semiconductor die coupled to the substrate, a solder layer comprising a first solder material deposited on the solder pad element, the first solder material having a first melting temperature, and an interconnect ball comprising a second solder material deposited on the solder layer, the second solder material having a second melting temperature that is less than the first melting temperature.

Abstract: Semiconductor device assemblies that comprise a package substrate having semiconductor devices on two sides. A solder layer can thermally couple one or more semiconductor devices on a side of the package with a circuit board. Methods of manufacturing assemblies having a semiconductor device thermally coupled to a circuit board are also provided.

Abstract: Apparatuses, containment structures, and techniques related to encapsulating liquid metal interconnects are discussed. A liquid metal interconnect is within a cavity defined by an electronics substrate and an opening in a confinement layer over the electronics substrate. A bilayer containment structure is on the confinement layer and over the cavity to encapsulate the liquid metal interconnect within the cavity. The bilayer includes a porous material layer over the cavity and a self-healing material on the porous material layer.

Abstract: Embodiments of the disclosure provide a content pushing method and apparatus, an electronic device, a computer readable storage medium, a computer program product, and a computer program. The content pushing method includes: in response to a first operation, displaying a first content playing interface; displaying at least one first content recommendation tag on the first content playing interface; in response to an operation on a target content recommendation tag in the at least one first content recommendation tag, obtaining a target content corresponding to the target content recommendation tag; adding the target content to a content playing queue to play the target content.

Abstract: A method and an apparatus for controlling a shutoff device, and a shutoff device. The method is applied to a processor of the shutoff device. The method includes: determining whether a heartbeat signal is received continuously during a first preset period; if so, controlling the N main switching transistors to be turned on, and determining whether the heartbeat signal is not received continuously during a second preset period; and if so, controlling the N main switching transistors to be turned off, and controlling the release circuit to be turned on to release a voltage on the bus. A release circuit is controlled to release voltage on the bus to the ground, thereby rapidly reducing the voltage on the bus, avoiding person danger and safety accidents caused by the long-term presence of the direct current high voltage on the bus, and improving the safety and reliability of a photovoltaic system.

Abstract: A method for multimedia playback, a storage medium and an electronic device are provided. The method includes: in response to a target playing mode triggering instruction of a user in a player, performing a sequence adjustment for the user on a play queue of a multimedia content collection; acquiring a recommended multimedia content, adding the recommended multimedia content into the play queue of the multimedia content collection, and identifying the recommended multimedia content in the play queue; and playing a multimedia content in the play queue.

Abstract: Provided are a method and device for quantitatively characterizing development positions of geological disasters in slopes, and an electronic device. The method includes: acquiring a slope boundary of a target slope, and constructing a triangle matching the slope boundary, three vertices of the triangle are A, B and C respectively; acquiring, based on the triangle, slope terrain points within a range of triangle; assigning preset attribute information to each slope terrain point Di of the slope terrain points, the preset attribute information of each slope terrain point Di at least includes an angle attribute of each slope terrain point Di and a distance ratio attribute of each slope terrain point Di; and screening out disaster points from the slope terrain points, and plotting and displaying, based on angle attributes and distance ratio attributes of the disaster points, the disaster points in a preset area in a polar coordinate system.

Abstract: A data migration method includes, when a data migration request for a storage unit in a first storage medium is obtained, data in the storage unit is migrated to a storage unit that is in a second storage medium and does not participate in unified addressing. In a migration process, a data access request of an application is routed to the first storage medium or the second storage medium by querying a mapping relationship in a second unit mapping table and a migration state in a migration table. After the migration is completed, an address of a second storage unit is allocated to the application.