Abstract: The present invention discloses a highly reliable positive-to-negative voltage conversion circuit, including a first inverter, a first buffer, a second buffer, a first to seventh NMOS transistors, a first to third PMOS transistors, a first resistor, a second resistor, a third resistor, and a fourth resistor, wherein the third PMOS transistor, the third NMOS transistor, the fourth NMOS transistor, the fifth NMOS transistor, the sixth NMOS transistor and the seventh NMOS transistor form an on/off control circuit, with that a power supply path between a positive-voltage power supply terminal and a negative-voltage power supply terminal is physically isolated by the on/off control circuit to eliminate voltage reversing occurring when the positive-voltage power supply terminal and the negative-voltage power supply terminal cannot be synchronized during power-on.

Abstract: A control method or device for performing the method is described. A first battery in the battery heating system needs to be heated. The first battery is controlled to conduct charging and discharging to heat the first battery, where the first battery is discharged to a second battery in the battery heating system so that the first battery is heated by heat generated during the process of discharging the first battery to the second battery and charging the first battery, thereby saving energy for battery heating and reducing the battery heating cost.

Abstract: Computer implemented methods, systems, and computer program products include program code executing on a processor(s) obtains a given query referencing a LOB. The program code obtains statistics and activities performed in the database system, establishes performance benchmarks, and analyzes the given query to determine how the LOB is utilized. The program code determines that meeting a benchmark requires replacing a reference to the LOB with a reference to implicit column(s). The program code executes the given query by referencing the implicit column(s) to obtain query results. The program code returns the query results.

Abstract: Provided are an automatic obstacle avoidance method and system of a pesticide application robot and a storage medium.

Abstract: A method, computer system, and a computer program product are provided for post-modeling feature evaluation. In one embodiment, at least at least one post model visual output and associated data is obtained that at least includes an individual conditional expectation (ICE) plot and a partial dependence (PDP) plot. Using the associated data and the plots, a Feature Importance (PI) plot is provided. A plurality of features is then determined for each PI, PDP and ICE plots to calculate at least one Interesting Value for each plot. An overall score is also calculated for each plurality of features based on the associated Interesting Values for each PDP, ICE and PI plots. At least one top feature is selected based on said scores. A final plot is then generated at least reflecting the top feature. The final plot combines the PI, PDP and ICE plots together.

Abstract: A light-emitting diode substrate, a manufacturing method thereof, and a display device are disclosed. The manufacturing method of the light-emitting diode substrate includes: forming an epitaxial layer group of M light-emitting diode chips on a substrate; transferring N epitaxial layer groups on N substrates onto a transition carrier substrate, the N epitaxial layer groups on the N substrates being densely arranged on the transition carrier substrate; and transferring at least part of N*M light-emitting diode chips corresponding to the N epitaxial layer groups on the transition carrier substrate onto a driving substrate, an area of the transition carrier substrate is greater than or equal to a sum of areas of the N substrates, M is a positive integer greater than or equal to 2, and N is a positive integer greater than or equal to 2.

Abstract: Embodiments described herein provide a client system for facilitating enhanced offline payment. During operation, the system obtains a location indicator, which indicates the location of a service, from a charging system. The system then generates an offline code that allows access to the service and corresponds to the location indicator. The offline code can be readable by the charging system, and the client system and the charging system can both be offline. Subsequently, the system encodes the historical data associated with the service in a field of the offline code and sends a message comprising the offline code to the charging system.

Abstract: The present disclosure relates to an intelligent spraying device for a pesticide application robot and a spraying method thereof. The intelligent spraying device includes a spraying assembly including push tubes connected to mounting columns, where a transport tube is welded to a side of each push tube; a spraying head is disposed on the transport tube; a plurality of mounting holes are formed in an outer periphery of the spraying head; a rotating rod is disposed in each mounting hole; one end of the rotating rod is connected to a circular fixed block and the other end thereof is connected to a first driving motor; the first driving motor is fixed to an outer side of the spraying head; an arc-shaped fan blade is disposed on the rotating rod; and the arc-shaped fan blade is driven by the rotating rod to rotate to a preset angle.

Abstract: The present invention provides a high-stability deep-sea buoy platform including a mast tube housing an attitude sensor used to monitor the tilt angle of the deep-sea buoy platform; a plurality of buoyancy tubes symmetrically and equally spaced around the mast tube; the buoyancy tube includes an elastic float and a water tank; the cross-section of the elastic float is ring-shaped; the elastic float being fitted around the outer side of the upper part of the water tank; the water tank is cylindrical and the interior of the water tank is divided into an upper layer and a lower layer, and the lower layer containing ballast water; each water tank is connected to the other water tanks via pipelines, each of the pipelines equipped with a flow valve; and a damping plate is horizontally connected between the bottoms of adjacent water tanks.

Abstract: An image generation system is described. The system comprises a neural network model configured to perform a diffusion process to generate a set of multi-view images from a same input prompt. The set of multi-view images have a same subject from different view orientation. The neural network model comprises a self-attention layer configured to relate pixels across the set of multi-view images.

Abstract: The utility model discloses a small-sized connector convenient for dismounting and mounting, the connector being inserted and received in a female socket of a PCB board, comprising: a connector housing inserted and received in the female socket; two elastic clamping plates, wherein the two elastic clamping plates are symmetrically mounted on both sides of the connector housing, first ends of the two elastic clamping plates are each provided with a clamping hole, and the female socket is provided with a clamping boss clamped with the clamping hole; and a pull strap, wherein both ends of the pull strap are respectively connected to second ends of the two elastic clamping plates, and the pull strap is used to pull the second ends of the two elastic clamping plates to separate the clamping holes at the first ends of the two elastic clamping plates from the clamping bosses of the female socket.

Abstract: A lithium-ion battery negative electrode with improved temperature rise performance, and a lithium-ion battery. The negative electrode comprises a negative electrode current collector and a negative electrode material applied to the negative electrode current collector, the negative electrode material containing a conductive agent, the conductive agent comprising SP and CNT, wherein the mass ratio of SP to CNT is 30-1500, preferably 35-100, more preferably 40-70, and further preferably 50-55. The lithium-ion battery comprises a positive electrode, a negative electrode, an electrolyte and a casing, wherein the negative electrode is the negative electrode for a lithium-ion battery as described above. In the present invention, the temperature rise performance of a lithium-ion battery is improved by using a variety of conductive agents and adjusting types and proportions within the conductive agent, without increasing the proportion of conductive agent in the electrode material formula.

Abstract: A lithium supplement electrode plate and a preparation method thereof, a battery containing the lithium supplement electrode plate, and an electrical device are disclosed. The lithium supplement electrode plate includes a current collector and a coating region disposed on at least one side of the current collector. The coating region includes at least two active layers. The at least two active layers include a pore-forming agent. Two adjacent active layers that include the pore-forming agent are defined as a first active layer and a second active layer respectively, the first active layer is disposed on the current collector, the second active layer is disposed on one side, oriented away from the current collector, of the first active layer. A porosity of the second active layer is greater than a porosity of the first active layer.

Abstract: A production method for a bispecific antibody, comprising constructing cells for producing a bispecific antibody, screening the cells, culturing the cells obtained in step one to obtain a culture solution, and performing separation and purification to obtain the bispecific antibody. The cells comprise CHO cells. The culture mode comprises fed-batch culture or perfusion culture. Various influence factors in fermentation culture and separation and purification are comprehensively analyzed, and by effective control, all factors can effectively cooperate, so that a high-purity bispecific antibody is efficiently produced, the daily output can reach 3 g/L or above, and the purity of the purified bispecific antibody can reach 90% or above. Moreover, the production process is amplified and verified, the process is stable and reliable, the cost is low, a great breakthrough is achieved compared with an existing production method.

Abstract: Disclosed is a ground wire spacer structure of a connector, comprising two groups of connector monoblocks that are symmetrical and spliced, wherein any group of the connector monoblocks comprise a housing provided with: a plurality of groups of elastic pieces, wherein one end of the elastic piece is connected to a female socket of the connector, and the other end of the elastic piece is connected to a wire group of the connector; a plurality of metal spacers distributed between two adjacent groups of the elastic pieces and used to separate the elastic pieces; and a conductive sheet mounted on the housing, wherein the conductive sheet is abutted against the plurality of spacers, the conductive sheet is connected to a ground wire in the wire group, and the metal spacers and the conductive sheet form a plurality of independent spaces for accommodating the elastic pieces respectively.

Abstract: A pixel circuit, a driving method therefor, a display substrate and a display device are provided. The pixel circuit includes a drive circuit and a light emitting element connected in series between a first power supply terminal and a third power supply terminal; the drive circuit is used for providing a drive current and controlling a time length of conduction of a current path between the first power supply terminal and the third power supply terminal; the light emitting element is used for receiving the drive current in the current path and emitting light; the drive circuit includes a drive control sub-circuit, a light emitting control sub-circuit and a time-length control sub-circuit; the drive control sub-circuit is used for providing a drive current to the first node under control of the first scan signal terminal, the first data signal terminal and the second node.

Abstract: The present application provides an image processing method, an image processing device, a computer storage medium and a terminal, the image processing method includes: determining convolution kernels of at least two sizes for feature extraction; performing sparsity constraint for the determined convolution kernels of at least two sizes for feature extraction through a preset objective function; and performing feature extraction on an image based on the convolution kernels subjected to the sparsity constraint.

Abstract: An array substrate has a display area and a bonding region. The display area includes a distal region, a proximal region, and a middle region therebetween. The array substrate includes a base, a common electrode located in the display area, a connecting lead disposed outside the distal region, a conductive frame at least partially surrounding the display area, and at least one first common signal line, at least one second common signal line and at least one third common signal line. The first common signal line, the second common signal line and the third common signal line are respectively coupled to portions of the common electrode located in the distal region, the proximal region and the middle region. The first common signal line is coupled to the connecting lead. The connecting lead and the portion of the common electrode located in the distal region are coupled to the conductive frame.

Abstract: Disclosed are a computer-implemented method, a system and a computer program product for model exploration. Model feature importance of each model of a plurality of models can be obtained, the plurality of models can be grouped into a plurality of model clusters based on the model feature importance of each model, and the model feature importance can be presented by box-plot or confidence interval.

Abstract: The disclosure provides a method for assembling and interconnecting FBAR filter and an electronic device. The method includes constructing an equivalent circuit model of an assembled FBAR filter according to a circuit model of a filter chip and the grounding circuit of the FBAR filter; modeling, simulating and calculating the grounding circuit to extract parasitic parameters corresponding to the grounding pad and a grounding bond-wire of the grounding circuit, respectively; feedbacking the parasitic parameters back into the equivalent circuit model, and using the circuit simulation software to obtain an S parameter of the filter; adjusting the parasitic parameters of the grounding circuit to optimize an S parameter performance of the FBAR filter: obtaining an optimal assembly configuration of the FBAR filter to guide the assembly. The parasitic parameters include a parasitic inductance of the grounding bond-wire and a parasitic capacitance and parasitic inductance of the grounding pad.