Abstract: Provided is a sound-based roller fault detecting method by using double-projection neighborhoods preserving embedding, including: acquiring sound data during operation of a roller, performing a wavelet transform energy feature extraction on normal data in the data to obtain wavelet transform energy feature data, then performing double-projection neighborhoods preserving embedding feature extraction on the wavelet energy feature data to obtain an optimal projection matrix of the feature data, establishing a detection model, constructing T2 statistics of a feature space and a residual space of normal sound data, determining detection control limits according to the T2 statistics by a kernel density estimation method, and further judging whether newly acquired data has faults.

Abstract: Provided is a method for detecting abnormal working conditions of multi-view data based on feature regression. By the method, data capable of being acquired in a production process is collected together, a big data pool is established, and historical data information is fully utilized; by analyzing the data in the data pool, the method for detecting abnormal working conditions based on the multi-view data is established by a feature regression method, and a general mathematical model is established for preprocessed data acquired by different sensors; left and right projection vectors solved through the model can make similar sample points have better clustering effects in a low dimensional space; and by comparing a correlation between vectors after dimensionality reduction and various category vectors, production working conditions at a current time can be recognized.

Abstract: Provided in the embodiments of the present disclosure are a screen display driving method and apparatus, a screen information configuration method and apparatus, a medium and a device. In the embodiments of the present disclosure, configuration information of a driving IC is acquired from a display screen module installed on a device to be tested during primary screen configuration, so as to generate a target point-to-point transmission protocol required by the device to be tested. The problems that in a research and development or production process, different software needs to be configured on a core board to match different point-to-point transmission protocols, so that the research and development or production is complex and difficult are solved.

Abstract: The present disclosure provides an system on chip and a display device. The system on chip includes a shared storage unit, a micro-processing unit, a display calibration unit, and an image processing unit. In response to a calibration instruction, the display calibration unit obtain image sampling data in the shared storage unit to perform a compensation computation operation and generate optical compensation data. In response to a display instruction, the image processing unit obtains display configuration data and the optical compensation data in the shared storage unit to perform a picture compensation operation.

Abstract: The present invention relates to the use of a class of 1,4-dihydro-naphthyridine derivatives in the treatment of tumors.

Abstract: A computer-implemented method, according to one embodiment, includes receiving, by a server from a client application, a read request for a data block. The method further includes, reading, by the server, data of the data block and checksums associated with the data block, from a data storage drive, and storing, by the server, the data of the data block and the associated checksums in a buffer. A client node is caused, by the server, to use the associated checksums to perform a validity check for the data of the data block and a transmission from the server to the client node. A computer program product, according to another embodiment, includes a computer readable storage medium having program instructions embodied therewith. The program instructions are readable and/or executable by a server to cause the server to perform the foregoing method.

Abstract: A given segment of computer code is obtained and modified to produce one or more inefficient versions of the given segment of computer code in comparison to the given segment of computer code. A code parse tree is generated for the given segment of computer code and each inefficient version of the given segment of computer code. Model embeddings are generated based on the generated code parse trees and a diffusion model is trained based on the generated model embeddings.

Abstract: Disclosed are a switching power supply and a control method thereof. The method includes: upon startup of the switching power supply, sending a first handshake signal to a primary control module to control a primary master control power transistor to stop a switching operation; upon elapse of a first duration, in response to a voltage value at a connection point failing to satisfy a predetermined condition within a second duration, determining that the primary master control power transistor stops the switching operation, and sending a second handshake signal to control the primary master control power transistor to perform the switching operation; and in response to the voltage value at the connection point satisfying the predetermined condition within a third duration, determining that the primary master control power transistor performs the switching operation, and adjusting a switching state of the primary master control power transistor.

Abstract: The present disclosure provides an system on chip and a display device. The system on chip includes a shared storage unit, a micro-processing unit, a display calibration unit, and an image processing unit. In response to a calibration instruction, the display calibration unit obtain image sampling data in the shared storage unit to perform a compensation computation operation and generate optical compensation data. In response to a display instruction, the image processing unit obtains display configuration data and the optical compensation data in the shared storage unit to perform a picture compensation operation.

Abstract: The present disclosure provides a power supply control circuit and control method for a switching power supply system. The control circuit includes: a power transistor and current sampling module, a voltage common collector (VCC) charging management module, a switch module, and a voltage regulator clamping module. The power transistor and current sampling module includes: a main switch high-voltage power transistor, a power transistor driver, an auxiliary sampling high-voltage transistor, and a current sampling resistor. The switch module includes a first switch, a second switch, a third switch, and a fourth switch. The present disclosure realizes time-division multiplexing and seamless transition through a reasonable timing of the switch module, thereby enabling multiplexing of high-voltage devices reducing demands for high-voltage processes, saving chip costs, and reducing design difficulty.

Abstract: A given segment of computer code is obtained and modified to produce one or more inefficient versions of the given segment of computer code in comparison to the given segment of computer code. A code parse tree is generated for the given segment of computer code and each inefficient version of the given segment of computer code. Model embeddings are generated based on the generated code parse trees and a diffusion model is trained based on the generated model embeddings.

Abstract: A process for purifying a crude composition comprising rectifying the crude composition in a rectification plant. The rectification plant comprises a rectification column including: a first overhead condenser for condensing a head fraction, and a reboiler for evaporating a bottom fraction. A difference between a temperature of the head fraction and a temperature of the bottom fraction is less than or equal to 20° C. A heat pump is provided between the first overhead condenser and the reboiler. The heat pump is an indirect heat pump that is operated with water or methanol as a refrigerant, and the indirect heat pump includes an expansion valve and a compressor. The heat pump comprises a second condenser located upstream of the compressor.

Abstract: Disclosed are a game control method, an electronic device and a computer-readable storage medium. In response to a first operation on an object control in a virtual scene, a virtual object corresponding to the object control is displayed in an object display area in a battle area of the virtual scene, and a skill control is displayed in a control display area where the object control is placed. In response to a second operation on the skill control, an apply range and an indicator of a first target skill corresponding to the skill control are displayed in the battle area, and the virtual object is controlled to apply the first target skill in accordance with the indicator.

Abstract: Systems, methods, and membranes involving ion exchange membranes are disclosed. In an embodiment of the present invention, an ultrathin laminar layer made of inorganic nanosheets may be coated on one side or both sides of a polymeric anion exchange membrane (AEM), forming a composite AEM. Oxidation stability measurements may indicate that composite AEM provide superior oxidation resistance to exemplary polymeric AEMs and to commercial polymeric AEMs.

Abstract: Provided is a calculating and real-time monitoring method for a boundary of a blast furnace tuyere raceway including: the steps of firstly establishing a depth calculation model for the raceway, and further obtaining a calculation formula for a depth of the raceway so as to obtain a change law of the depth of the raceway; establishing a boundary model for the raceway through the depth calculation model for the raceway, and determining a calculation formula for the boundary of the raceway; obtaining modelling parameters, analyzing an impact of the modelling parameters on the boundary model, and determining main parameters that affect the boundary of the raceway; finally, solving a height of the raceway; and when the height or depth of the raceway exceeds a set range, adjusting a blast wind pressure and a blast wind volume to restore the height or depth of the raceway to a normal range.

Abstract: A new real-time video communication system includes a set of electronic devices. Each device runs a specialized real-time video communication software application including a video quality module. The video quality module retrieves network connection statistic data from a network connection module, and video encoder statistic data from a video quality module. The video quality module uses the network connection statistic data and the video encoder statistic data to determine a first objective video quality measure without extensive mathematical operations. The video quality module also uses the first objective video quality measure, the network connection statistic data and the video encoder statistic data to determine a second objective quality measure without extensive mathematical operations.

Abstract: A lipid delivery system, a virus-like structure (VLS) vaccine constructed therefrom, and a lipid particle capable of encapsulating an mRNA molecule encoding a SARS-CoV-2-specific antigen are provided. After the lipid particle encapsulates an mRNA molecule encoding a SARS-CoV-2 antigen, a SARS-CoV-2 S1 antigen protein can be embedded on a surface of an envelope structure of the lipid under specific buffer conditions to produce a VLS vaccine with an antigen-encoding mRNA molecule encapsulated inside and an outer membrane presenting a required viral antigen protein. The vaccine has a superior specific antibody-inducing ability to a SARS-CoV-2 mRNA vaccine and a polypeptide vaccine, can maintain a long-lasting high antibody level, and can also exhibit excellent immune binding abilities for the emerging different variants.

Abstract: A second type computer assembly line balancing optimization method based on a migration genetic algorithm, and related to the technical field of assembly line balancing. The method uses assembly experience of similar assembly lines, the feasible solution set of the known assembly lines is transferred to the initial solution set of the assembly line balancing problem to be optimized, due to the migration of high-quality feasible solutions. The method can effectively reduce the sensitivity of the algorithm performance to the initial value and parameters, and improve the lower limit of the local optimal feasible solution of the heuristic algorithm to solve the assembly line balancing problem.

Abstract: A level shifter circuit of a driving device includes first and second pulse generators, first and second level shifters, and a determination circuit. The first pulse generator provides a first input signal according to a high-voltage signal. The first input signal includes a pulse signal having a first current level and a sustain signal having a second current level following the pulse signal. The first level shifter receives the first input signal to generate a first indication signal. The second pulse generator provides a second input signal according to the high-voltage signal. The second input signal includes the pulse signal and the sustain signal following the pulse signal. The second level shifter receives the second input signal to generate a second indication signal. The determination circuit generates a low-voltage signal according to the first indication signal and the second indication signal.

Abstract: Provided is a sound-based roller fault detecting method by using double-projection neighborhoods preserving embedding, including: acquiring sound data during operation of a roller, performing a wavelet transform energy feature extraction on normal data in the data to obtain wavelet transform energy feature data, then performing double-projection neighborhoods preserving embedding feature extraction on the wavelet energy feature data to obtain an optimal projection matrix of the feature data, establishing a detection model, constructing T2 statistics of a feature space and a residual space of normal sound data, determining detection control limits according to the T2 statistics by a kernel density estimation method, and further judging whether newly acquired data has faults.