Abstract: The present application discloses a bulk acoustic wave resonator and a method for manufacturing the same. The bulk acoustic wave resonator includes a substrate and a plurality of resonance assemblies arranged on the substrate, each of the plurality of resonance assemblies includes a bottom electrode, a piezoelectric layer, and a top electrode which are arranged on the substrate in sequence; the plurality of resonance assemblies are connected in sequence to form a connecting ring; the top electrode of one resonance assembly in two adjacent resonance assemblies is connected to the bottom electrode of the other resonance assembly in the two adjacent resonance assemblies, and the top electrodes of two target resonance assemblies spaced apart by one resonance assembly are connected to each other to transmit an input signal; and the bottom electrodes of the two target resonance assemblies are connected to each other to transmit an output signal.

Abstract: The present invention provides a diaryl compound as a tubulin/Src dual target inhibitor. The present invention also provides a diaryl compound represented by formula I, a tautomer, a stereoisomer, a solvate, a pharmaceutically acceptable salt, or a prodrug thereof. The diaryl compound can be used as a dual target inhibitor against tubulin and Src kinase and can also be used as a mono-target inhibitor against tubulin or Src kinase. The compound of the present invention can significantly inhibit the polymerization of tubulin monomers and cell proliferation.

Abstract: The disclosure relates to the field of computer security. Provided are a method for implementing a firmware root-of-trust, and an apparatus, a device, and a readable storage-medium thereof. The method includes: setting a storage-medium for storing state-data of the firmware root-of-trust; integrating a processing-logic of an instruction of the firmware root-of-trust into a system-firmware; initializing the firmware root-of-trust, according to the state-data of the firmware root-of-trust and a startup-command of the firmware root-of-trust; creating a node of a device-tree for the firmware root-of-trust, for an operating-system to load a driver-program corresponding to the firmware root-of-trust; and registering an instruction-interface of the firmware root-of-trust into an interface-list.

Abstract: The invention provides a multi-dimensional broad-spectrum clinical in-situ testing equipment designed to evaluate the material properties of plantar soft tissue. The equipment comprises the following features: 1. A testing table with a designated area corresponding to the sole of the foot; 2. A vertical reciprocating stress-strain testing unit mounted on the testing table, for applying vertical tensile and compressive stresses to the plantar and measuring the stress-strain responses; 3. A shear stress-strain testing unit, mounted on the testing table, for applying shear stresses to the plantar and measuring the stress-strain responses; 4. A torque stress-strain detection unit, positioned on the testing stage, for applying torque to the plantar and measuring the stress-strain responses; 5. A lifting mechanism that facilitates the vertical movement of the three testing units.

Abstract: This application discloses a negative active material and a preparation method thereof, a negative electrode plate, a secondary battery, and an electrical device, and relates to the battery field. The negative active material includes: porous carbon, where a surface of the porous carbon is provided with pore channels communicating to an interior of the porous carbon; and, a deposit, settling in the pore channels and including a silicon layer and a functional layer deposited in sequence from an interior of the pore channels outward, where the functional layer is made of a material that includes at least one of carbon, phosphorus, tin, or germanium.

Abstract: A rotary digging drill includes three disk drills arranged in ascending order of diameter, each with a cavity therein. The disk drill includes two circular ring seats arranged side by side, multiple toothed digging buckets disposed at peripheries of the two circular ring seats, and ring gear racks respectively disposed on inner sides of the two circular ring seats. Adjacent ones of the disk drills have the toothed digging buckets facing opposite directions, and the disk drills all rotate in a direction facing a large opening, enabling adjacent two of the three disk drills to rotate in opposite directions. The rotary digging drill further includes three disk drill supports that match the three disk drills in quantity and are configured to support and drive the three disk drills.

Abstract: The present disclosure provides processes for making enantiomerically pure isoxazoline compounds of formula (1), The present disclosure also provides processes for making enantiomerically pure isoxazoline compounds of formula (1) characterized by improving the enantiomeric purity of 3-methyl-5-[(5S)-5-(3,4,5-trichlorophenyl)-5-(trifluoromethyl)-4H-isoxazol-3-yl]thiophene-2-carboxylic acid by crystallization.

Abstract: The present disclosure provides a method for extracting lithium using a resin adsorbent to pretreat low-grade deep brine, which relates to the technical field of lithium extraction from brine. In the present disclosure, resin adsorbent is used to perform adsorption pretreatment on the concentrated brine, which can adsorb organic impurities in the concentrated brine without adsorbing lithium ions, so that the concentration of lithium ions is almost unchanged compared with the feed material, with the subsequent manganese-based lithium adsorbent, the adsorption rate of lithium can be increased by 41%; At the same time, pretreating the concentrated brine using resin adsorbents has shorter steps, less materials, and does not produce a large amount of low-value product gypsum, which makes the lithium extraction process simpler and easier to operate, and reduces production costs.

Abstract: A closure system including a curtain configured to seal an opening, a wireless network having a plurality of channels, at least one transmitter coupled to the curtain and configured to communicate over the plurality of channels, and an operator operatively coupled to the curtain and configured to communicate over the plurality of channels, the operator and the at least one transmitter configured to communicate with each other over a selected one of the plurality of channels based upon communication interference detected on one or more channels.

Abstract: A control circuit accesses a memory having stored therein total detected computed tomography image signal information in a projection domain for an object, a first model representing object scatter, a second model representing background scatter, and a third model representing detector crosstalk. Prior to a reconstruction step, the control circuit processes the total detected computed tomography image signal information in the projection domain for the object as a function of each of the first model, the second model, and the third model to thereby compensate for object scatter, background scatter, and detector crosstalk by providing scatter and crosstalk-corrected computed tomography image signal information in the projection domain for the object. The control circuit can then carry out a reconstruction step using the scatter and crosstalk-corrected computed tomography image signal information in the projection domain for the object.

Abstract: Techniques are disclosed for deriving prediction pixel blocks for use in intra-coding video and combined inter- and intra-coding video. In a first aspect, the techniques may include deriving value(s) for pixel location(s) of the prediction pixel block by, when a prediction direction vector assigned to the prediction vector points to quadrants I or III of a Cartesian plane, deriving the pixel location's value from pixel values in two regions of previously-decoded pixel data intercepted by extending the prediction direction vector in two opposite directions through the pixel location. When the prediction direction vector points toward quadrants II of the Cartesian plane, deriving the pixel location's value from pixel values in one region intercepted by the prediction direction vector through the pixel location, and from a second region intercepted by a vector that is orthogonal to the prediction direction vector.

Abstract: Provided is a controller area network (CAN)-bus-based electrical control system for an electric mower. Based on CAN bus technology design, an energy source control module, an instrument display module, a traveling control module, a mowing control module and a sensor module in the electrical control system implement signal collection, reception, analysis, processing and transmission by a CAN module and an interface of the CAN module the integration level and information processing efficiency of the electric mower. An intelligent boundary of the electric mower is expanded by a topological structure of a CAN bus, and a development platform is provided for information-based precise control of the mower.

Abstract: A method for processing a query-response information is provided, which relates to a field of artificial intelligence technology, and in particular to fields of deep learning, large models, intelligent query and response, etc. The method for processing a query-response information includes: generating at least one initial response information according to a query information provided by an object; acquiring at least one feedback information corresponding to the at least one initial response information, wherein the feedback information indicates a preference degree of the object for the initial response information; and generating a training sample according to the query information, the at least one initial response information and the at least one feedback information. The present disclosure further provides a method for training a conversational model, an electronic device, and a storage medium.

Abstract: Provided is a controller area network (CAN)-bus-based electrical control system for an electric mower. Based on CAN bus technology design, an energy source control module, an instrument display module, a traveling control module, a mowing control module and a sensor module in the electrical control system implement signal collection, reception, analysis, processing and transmission by a CAN module and an interface of the CAN module the integration level and information processing efficiency of the electric mower. An intelligent boundary of the electric mower is expanded by a topological structure of a CAN bus, and a development platform is provided for information-based precise control of the mower.

Abstract: The present application proposes an airborne electromagnetic signal observation device and a system carried by an unmanned aerial vehicle (UAV). The device includes an inner frame, an outer frame and a flexible support that are connected to each other. The device and the system can enhance the stability of the sensor in flight and greatly suppress motion noise.

Abstract: A manufacturing method of a semiconductor structure includes the following steps. A first wafer is provided. The first wafer includes a first substrate and a first device layer. A second wafer is provided. The second wafer includes a second substrate and a second device layer. The second device layer is bonded to the first device layer. An edge trimming process is performed on the first wafer and the second wafer to expose a first upper surface of the first substrate and a second upper surface of the first substrate and to form a damaged region in the first substrate below the first upper surface and the second upper surface. The second upper surface is higher than the first upper surface. A first photoresist layer is formed. The first photoresist layer is located on the second wafer and the second upper surface and exposes the first upper surface and the damaged region. The damaged region is removed by using the first photoresist layer as a mask. The first photoresist layer is removed.

Abstract: A semi-closed local low-vacuum laser welding device and welding method is provided. The semi-closed local low-vacuum laser welding device includes a local low-vacuum cabin, a dynamic sealing structure, a mechanical pump, and a laser welding mechanism. The local low-vacuum cabin includes a primary vacuum chamber, a secondary vacuum chamber and a tertiary vacuum chamber which are arranged in sequence, and a plate to be welded is arranged at a bottom of the primary vacuum chamber. The dynamic sealing structure is arranged at the bottom of the primary vacuum chamber, and the dynamic sealing structure is configured for connecting the primary vacuum chamber with the plate to be welded. The mechanical pump is in communication with the primary vacuum chamber and the secondary vacuum chamber. The laser welding mechanism is arranged corresponding to the local low-vacuum cabin, and is configured for welding the plate to be welded.

Abstract: A diagnostic method and system for measuring potential and electric field of plasma are provided. According to operation parameters of a magnetic confinement fusion device and relevant parameter data of a plurality of candidate particle elements, signal-noise ratios are calculated. to select a neutral beam particle element. Beam trajectories varying in incident velocity, incident angle and sampling area are obtained by iterative calculation, and a preset parameter which enables the beam trajectories to pass through an entrance slit of an analyzer is obtained. A neutral beam that meets the preset parameter is injected into the plasma. An energy of the primary beam generated by collision ionization in a sampling area is measured, and potential of the sampling area is obtained according to law of conservation of energy. Sampling areas are detected to obtain potential spatial distribution of the plasma and a radial electric field, and the diagnostic is finished.

Abstract: Disclosed are a material supply mechanism, a tray assembly, a 3D printer and a 3D printing method. The material supply mechanism is configured to add a printing material to a tray of the 3D printer, and includes: a conveying assembly including a storage body and a conveying member, the storage body is internally provided with a storage cavity, the storage cavity is configured to store the printing material, and the conveying member is arranged in the storage cavity; a transmission assembly connected to the conveying member in a transmission manner and configured to drive the conveying member to move in the storage cavity when driven; and an output assembly connected to the storage body and configured to guide the printing material out into the tray. The disclosure improves in the related art that it is inconvenient to add a printing material for a 3D printer.

Abstract: Disclosed is a temperature controller, a server, an air conditioning system and a temperature setting method. The temperature controller may be configured to operate in a carbon saving mode, and when operating in the carbon saving mode, the set temperature of the temperature controller is adjusted according to a green electricity index, and the green electricity index is the proportion of green electricity in a power grid to which the temperature controller is connected. When the proportion of the green electricity is high, i.e., the electric energy used is mainly from renewable energy sources, the set temperature is adjusted to produce more cold energy or heat energy for storage; and when the green electricity index decreases, the stored cold energy or heat energy can be used to meet the demand for cooling or heating, thereby reducing carbon emissions.