Abstract: The present invention relates to an early warning method before the occurrence of aflatoxin contamination.

Abstract: The present disclosure provides an apparatus for testing spray and combustion performance of an internal-combustion engine based on a rapid compression-expansion machine, which belongs to the testing field of internal-combustion engines. The present disclosure solves the problems that the existing test of the internal-combustion engine testing apparatus having a complex structure, is poor in adaptability, cannot be observed easily, and cannot meet the requirements of multi-fuel injection and multi-injection-pressure tests. It includes a driving mechanism, a transmission mechanism, an engine cylinder, an air intake system and an exhaust system. The engine cylinder includes a piston, a cylinder block, a dual-fuel cylinder head and a multi-injector assembly. The piston is disposed in the cylinder block. The driving mechanism is connected with the piston through the transmission mechanism and drives the piston to linearly move back and forth along a vertical direction of the cylinder block.

Abstract: Techniques are disclosed relating to maintaining a high availability (HA) database. In some embodiments, a computer system receives, from a plurality of host computers, a plurality of requests to access data stored in a database implemented using a plurality of clusters. In some embodiments, the computer system responds to the plurality of requests by accessing data stored in an active cluster. The computer system may then determine, based on the responding, health information for ones of the plurality of clusters, wherein the health information is generated based on real-time traffic for the database. In some embodiments, the computer system determines, based on the health information, whether to switch from accessing the active cluster to accessing a backup cluster. In some embodiments, the computer system stores, in respective clusters of the database, a changeover decision generated based on the determining.

Abstract: The disclosure is an engine simulation test device capable of realizing an ultrahigh compression temperature and pressure, belonging to the field of a diesel engine high-temperature and high-pressure system, solving the problems that the existing engine simulation test cannot achieve ultra-high compression temperature and pressure, and the temperature and pressure are not adjustable. It includes a compressed air inlet mechanism, a nitrogen gas inlet mechanism, a pressure stabilizing mechanism, a cyclic heating mechanism, an air inlet mechanism and a fast compressor mechanism.

Abstract: Provided are an organic light-emitting display panel, a driving method and a driving device therefor. The driving method includes: setting brightness levels of the organic light-emitting display panel and maximum gray scale brightness levels, and maximum gray scale brightness levels include a first maximum gray scale brightness corresponding to a maximum brightness level of the organic light-emitting display panel, and an effective pulse duty cycle of a light-emitting control signal for driving the first maximum gray scale brightness is defined as a first effective pulse duty cycle; determining a target brightness level of the switched picture and a target maximum gray scale brightness corresponding to the target brightness level; adjusting the target effective pulse duty cycle of the light-emitting control signal for driving the switched picture.

Abstract: The present application discloses a battery and a related apparatus, production method and production device therefor. The battery includes: a battery cell, the battery cell including a pressure relief mechanism configured to be capable of being actuated when an internal pressure or temperature of the battery cell reaches a threshold, to relieve the internal pressure; an attachment component adapted to be attached to the battery cell by an adhesive; and an isolation component configured to be capable of preventing the adhesive from being applied between the attachment component and the pressure relief mechanism. By providing the isolation component, it is possible to prevent the adhesive from being applied between the attachment component and the pressure relief mechanism in an effective manner in a process of battery production. Meanwhile, application efficiency and accuracy of the adhesive could be improved, thereby improving production efficiency of the battery.

Abstract: A device includes a substrate, an insulating layer that includes an etch stop layer formed over an upper surface of the substrate, a first conductive region formed over the insulating layer, and an opening formed within the substrate that extends from a lower surface of the substrate, through the upper surface of the substrate, and through at least a portion the insulating layer, terminating on the first conductive region. A method for forming the device includes forming the substrate, forming the insulating layer that includes the etch stop layer over the upper surface of the substrate, forming a first conductive region over the insulating layer; and forming an opening within the substrate that extends from the lower surface of the substrate, through the upper surface of the substrate, and through at least a portion the insulating layer, terminating on the first conductive region formed over the insulating layer.

Abstract: The present application relates to improved weighting processing of combined intra-inter prediction. A method for processing video includes: determining, during a conversion between a current video block, which is coded in a combined intra and inter prediction (CIIP) mode, of a video and a bitstream representation of the current video block, a weight pair comprising a first weight for a first prediction result of the current video block and a second weight for a second prediction result of the current video block, based on one or more neighboring video blocks to the current video block, wherein the first prediction result is generated by an intra prediction mode and the second prediction result is generated by an inter prediction mode; and determining a prediction result of the current block based on a weighted sum of the first prediction result and the second prediction result.

Abstract: The present invention relates to an aflatoxin contamination risk warning molecule and use thereof. The steps are as follows: weighing a quantitative sample, extracting the aflatoxin contamination risk warning molecule to obtain a sample extract, and detecting and analyzing the sample extract to obtain a quantitative result of the aflatoxin contamination risk warning molecule; performing modeling with a chemometrics method using the content of one or more of the aflatoxin contamination risk warning molecules as a variable to obtain a classification prediction model, and performing risk assessment on aflatoxin contamination risk of the sample based on the classification prediction model, wherein a warning molecule of an aflatoxin toxigenic strain is one or a combination of more than one of versiconol (VOH), versicolorin B (Ver B), and 5-methoxysterigmatocystin (5-MST).

Abstract: The present application provides methods of treating PI3K? related disorders using compounds of Formula I: or pharmaceutically acceptable salts thereof.

Abstract: A display panel and a display device are disclosed, the display panel includes a plurality of display regions, a peripheral region surrounding the plurality of display regions, a plurality of light-emission control scan driving circuits provided in the peripheral region, a first start signal line, and a second start signal line. The first start signal line is different from the second start signal line, the plurality of display regions include a first display region and a second display region, the plurality of light-emission control scan driving circuits include a first light-emission control scan driving circuit and a second light-emission control scan driving circuit, the first start signal line is configured to provide a first start signal to the first light-emission control scan driving circuit, and the second start signal line is configured to provide a second start signal to the second light-emission control scan driving circuit.

Abstract: Systems and methods are disclosed for discovering precursors associated with a current user interaction event. One method comprises receiving a selection of a new item by a user and determining a plurality of similarities between the new item selected by the user and a plurality of historical items, the plurality of historical items being associated with prior user activity. Then a plurality of importance weights associated with the plurality of historical items are determined. Based on the plurality of similarities and the plurality of importance weights, at least one enhanced importance matrix is generated. Further, prior interactions of the user with the plurality of historical items are determined. Based on the enhanced importance matrix and the prior interactions of the user with the plurality of historical items, precursors for the new item selected by the user are identified and provided to a display.

Abstract: Video coding methods and apparatuses are provided. A set of two or more pictures is coded. The set includes at least a first picture coded with a first spatial resolution, and a second picture coded with a second spatial resolution different from the first spatial resolution. The set of two or more pictures is stored in a decoded picture buffer based on corresponding spatial resolutions. The set of two or more pictures stored in the decoded picture buffer is used as a set of reference pictures for coding one or more successive pictures subsequent to the set of two or more pictures. The set of two or more pictures is incorporated into a reference picture list that contains pictures with at least two different spatial resolutions.

Abstract: A direct memory access (DMA) controller, an electronic device that uses the DMA controller, and a method of operating the DMA controller are provided. The DMA controller is configured to access a memory that contains a privilege area and a normal area. The method of operating the DMA controller includes the following steps: searching for a DMA channel that is in an idle state in the DMA controller; setting a register value of a mode register of the DMA channel such that the DMA channel operates in a privilege mode; setting a memory address register and a byte count register of the DMA channel; and controlling the DMA channel to transfer data based on the memory address register and the byte count register.

Abstract: Aspects of the present disclosure describe a polarization diversity combining method for coherent distributed acoustic sensing (DAS) maintaining phase continunity.

Abstract: The present application discloses a pixel circuit and its driving method. The pixel circuit includes an input circuit, a control circuit, and 2N output circuits with N being a positive integer. The input circuit is configured to control a voltage level of a respective one of N control nodes under control of a gate-driving signal from each gate line and a first control signal. The control circuit is configured to respectively control a voltage level of each of 2N switching nodes under control of the N control nodes. The 2N output circuits are respectively connected to 2N data-signal terminals and the 2N switching nodes. Among the 2N output circuits, an i-th output circuit is configured to input an i-th data signal from an i-th data-signal terminal of the 2N data-signal terminals to an emission circuit under control of an i-th switching node of the 2N switching nodes.

Abstract: Building and using multiple different types of sub-indices to search a database is provided. A plurality of different physical data ranges is generated within the database based on a set of logical hot data ranges and a set of logical non-hot data ranges to form a set of physical hot data ranges and a set of physical non-hot data ranges. A set of sub-index types is built for each respective data range of the plurality of different physical data ranges within the database using a set of selected high-speed sub-index types for the set of physical hot data ranges and another set of selected sub-index types for the set of physical non-hot data ranges to accelerate data availability for query. An index is built for the database using the set of sub-index types built for each respective data range of the plurality of different physical data ranges within the database.

Abstract: A display panel and a display device are disclosed, the display panel includes a plurality of display regions, a peripheral region surrounding the plurality of display regions, a plurality of light-emission control scan driving circuits provided in the peripheral region, a first start signal line, and a second start signal line. The first start signal line is different from the second start signal line, the plurality of display regions include a first display region and a second display region, the plurality of light-emission control scan driving circuits include a first light-emission control scan driving circuit and a second light-emission control scan driving circuit, the first start signal line is configured to provide a first start signal to the first light-emission control scan driving circuit, and the second start signal line is configured to provide a second start signal to the second light-emission control scan driving circuit.

Abstract: A method of video processing is provided to include: performing a conversion between one or more video blocks of a video and a coded representation of the video, wherein a first field in the coded representation indicates whether fractional sample precision is used for indicating motion distances in a merge with motion vector difference (MMVD) mode used during the conversion, and wherein the MMVD mode includes a motion vector expression that includes a starting point, a motion distance and a motion direction for the current video block.

Abstract: The present disclosure discloses an interlocking protection device for turnout switching. The interlocking protection device for turnout switching comprises a receiving module, a confirmation module, a processing module, and a centralized control interlocking module, wherein the receiving module is configured to receive a turnout switching instruction; the confirmation module is configured to receive a confirmation instruction; the processing module is configured to determine a target turnout position according to the turnout switching instruction and output a driving confirmation signal according to the confirmation instruction; and the centralized control interlocking module comprises a confirmation unit and a position switch unit. Under a centralized control mode, the confirmation unit carries out separate turnout locking according to the target turnout position and carries out locking confirmation according to the driving confirmation signal.