Abstract: The present disclosure relates to a database-based data processing method, device, medium, and apparatus, the method including: receiving a target query statement; determining a corresponding target materialized view for executing the target query statement according to a data query time corresponding to the target query statement and a time granularity of the materialized view in a database, wherein the database is constructed with the materialized view at different time granularities; rewriting the target query statement according to the time granularity of the target materialized view to obtain a plurality of target sub-query statements, wherein the target sub-query statements include sub-query statements which are queried based on the target materialized view; and merging the target sub-query statements, and performing a data query according to a query statement obtained by merging.

Abstract: An integrated machine for fully automatic core drilling and direct pulling is disclosed, including a housing, a support member, a pulling mechanism, and a pulling joint. The pulling joint is configured to hold a top of a test piece for pulling testing. The pulling mechanism includes a worm gear motor, a drive screw set at an output end of the worm gear motor, a drive support rod, a tension sensor set at the other end of the drive support rod, an adjustable link block at one end connected to the tension sensor, and a pulling screw connected to the other end of the adjustable link block. The integrated machine has a simple structure, lightweight equipment, which can be handheld and easy to operate, thus do not need to have operating experience, thereby realizing core drilling and direct pulling test in one.

Abstract: The present invention provides a compound as represented by formula I, or a pharmaceutically acceptable salt or ester, a prodrug, an optical isomer, a stereoisomer, or a solvate thereof. The compound provided by the present invention can be used for preparing drugs for preventing or treating hypertension, or hypertension-related diseases, or pulmonary hypertension, or pulmonary hypertension-related diseases. The compound provided by the present invention has a different mechanism from existing drugs for treating hypertension and pulmonary hypertension, thereby laying a new material foundation for the development of drugs for treating hypertension and pulmonary hypertension.

Abstract: A three degree of freedom hardware in loop simulation system and its working method are provided. A triaxial air-bearing turntable is installed on a support frame. An air bearing support seat provides high-pressure gas lubrication to make an air bearing hemisphere freely roll and rotate. An attitude control system is installed on a test platform, and the platform is placed on an adapter plate, which is placed above the hemisphere. A position limiting protection device has a position limiting ring, which is located below the adapter plate and surrounds the hemisphere. The movement of the ring prevents the platform from deviating beyond a set angle. An automatic leveling device is located below the side of the platform and a leveling device control box is installed on the platform.

Abstract: A hydroxamic acid-metal hydroxide coordination complex and preparation and application thereof are disclosed. The hydroxamic acid-metal hydroxide coordination complex is formed by a coordination of hydroxamic acid with divalent or higher valent metal ions under an alkaline condition. The hydroxamic acid-metal hydroxide coordination complex has a strong selectivity and a strong collection ability for metal oxide minerals such as tungsten-containing minerals, ilmenite, rutile, cassiterite, and rare earth. The preparation method is simple and low in costs, and is beneficial to industrialized production.

Abstract: The present disclosure is related to a display device and a circuit board (200). The display device comprises a light-emitting module (100), a circuit board (200) and a conductive structure (300). The surface of the light-emitting module (100) is provided with a conductive portion (101). The circuit board (200) is arranged on a back face (102) of the light-emitting module (100), and has a first surface (201) close to the light-emitting module (100). The first surface (201) of the circuit board (200) is provided with an exposed external conductive layer (210), and the external conductive layer (210) is electrically connected to a ground wire of the circuit board (200). The conductive structure (300) is located between the circuit board (200) and the light-emitting module (100), and makes the external conductive layer (210) electrically connect to the conductive portion (101).

Abstract: The present disclosure relates to the technical field of breeding, in particular to an environmental-friendly and efficient breeding method of high-yield and high-quality wheat cultivars. In the present disclosure, the breeding method can improve a breeding efficiency of excellent new cultivars, further realize large-scale production, and further increase a planting area of the excellent cultivars. In addition, the breeding method can increase the number of products for the new cultivars, further increase a diversity of early-generation materials, and further increase a diversity of hybrid samples through the innovation of hybridization and breeding methods. The environmental-friendly and efficient breeding method of high-yield and high-quality wheat cultivars can increase a richness of excellent characteristics of the new cultivars through high-generation materials, hybridization, and off-site identification, thereby further improving an effect of breeding.

Abstract: A thermographic inspection system is provided for inspecting electrical equipment. The system may be used while the electrical equipment is energized to monitor active performance of the equipment. The system may be used to monitor temperature differences of various components in the equipment.

Abstract: A first node includes a processor. The processor is configured to execute a computer program thereby causing the first node to generate a first message, and send the first message to a third node. The first message is useable to indicate information about a network environment change of a second node. The second node is configured to execute a first task.

Abstract: In a method for task execution, a first node receives from a second node a first message that includes first configuration information of a first task. The first node then executes the first task based on the first configuration information.

Abstract: The present disclosure provides a trusted measurement method, including: in a case of trusted boot of a trusted measurement apparatus, connecting a computing server, and determining a boot mode of a first boot loader of the computing server; in response to the first boot loader being in a trusted boot mode, acquiring a first set of trusted measurement results stored in the computing server; and in response to the first set of trusted measurement results being the same as a pre-stored first set of trusted measurement expected values, determining trusted boot of the computing server, with the first set of trusted measurement expected values being issued to the trusted measurement apparatus by a security master control server. The present disclosure further provides a trusted measurement apparatus, a computer device, and a readable medium.

Abstract: Disclosed in the present invention are a thiophene ring compound, a preparation method therefor and an application thereof. The structure of the thiophene ring compound of the present invention is as shown in formula I. The compound of the present invention has good affinity and agonistic activity against at least one of a dopamine receptor and a 5-hydroxytryptamine receptor.

Abstract: An array substrate, a display panel and a display device. In the array substrate, the plurality of pixel units are located on a side of a base substrate; the common electrode line includes a horizontal common electrode line and a vertical common electrode line, the horizontal common electrode line is electrically connected with the vertical common electrode line, the plurality of pixel units are arranged in an array to form a plurality of pixel rows and a plurality of pixel columns, each of the pixel rows extends along the first direction, and each of the pixel columns extends along the second direction, the horizontal common electrode line extends along the first direction, the vertical common electrode line extends along the second direction, the horizontal common electrode line is overlapped with a plurality of effective display regions of a same pixel row.

Abstract: The disclosure provides a variable aperture drive motor, a camera apparatus, and an electronic device. A variable aperture drive motor, includes: a base assembly, the base assembly being provided with an accommodating cavity; a lens support body, at least a part of the lens support body being movably provided inside the accommodating cavity; driving magnets, wherein there are a plurality of driving magnets; driving coils, wherein there are a plurality of driving coils, the driving coils are provided on a side wall of the base assembly corresponding to the driving magnets, and the driving magnets and the driving coils are relatively induced so that the lens support body rotates relative to the base assembly; and first magnetic attraction plates, wherein there are a plurality of first magnetic attraction plates, and the first magnetic attraction plates are provided on a bottom end of the base assembly corresponding to the driving magnets.

Abstract: A picture processing method and apparatus, a device, and a storage medium are provided. The method comprises: obtaining pictures to be processed, the pictures to be processed comprising a target object segmentation picture and a background completion picture from a same original picture; respectively performing effect processing on the target object segmentation picture and the background completion picture on the basis of a picture type of the target object segmentation picture to obtain respective effect pictures; and synthesizing the respective effect pictures into a rotation animation corresponding to the original picture.

Abstract: The technology of this application relates to a terminal device determining a first data packet based on a first computing power instance, and sending, to a network device, the first data packet that includes information about the first computing power instance, so that the network device processes the first data packet based on a second computing power instance corresponding to the first computing power instance. In this way, efficiency of determining a computing power instance can be improved, thereby improving data processing efficiency.

Abstract: Disclosed are a PCB heat dissipation assembly (100) and a server having same. The PCB heat dissipation assembly (100) includes: a PCB board (1), a plurality of chips (11) being arranged on the PCB board (1); at least one heat sink (2), the heat sink (2) being arranged on the plurality of chips (11), and the heat sink (2) including a heat dissipation air duct (21); and an air baffle (3), the air baffle (3) being arranged adjacent to the at least one heat sink (2), the air baffle (3) being located on one side of the at least one heat sink (2), and the air baffle (3) extending along the heat dissipation air duct (21).

Abstract: Systems and methods of data processing are provided. The method comprises receiving an input data to be processed by a series of operations, identifying a first operation from the series of operations, selecting at least one second operation from the series of operations to be grouped with the first operation based at least in part on an amount of an input data and an output data of the grouped operations and the capacity of the memory unit, and processing a portion of the input data of the grouped operations. An efficiency of the series of data operations can be improved by ensuring the input data and output data of any data operations are both stored in the memory unit.

Abstract: A battery safety valve and temperature detection circuit, includes a battery, a temperature sensor, and a reference resistor that are connected in series to form a loop, and a safety valve sensor arranged outside a battery safety valve. The temperature sensor is arranged on the battery, voltage acquisition wires are connected to a positive electrode and a negative electrode of the battery respectively, a partial voltage acquisition wire is connected to a wire connected between the temperature sensor and a reference resistor, the voltage acquisition wires and the partial voltage acquisition wire are connected to corresponding voltage acquisition ports of an acquisition chip respectively. The safety valve sensor is connected in parallel to the reference resistor; and when the safety valve is open, a liquid in the battery is in contact with a bottom of the safety valve sensor, and the safety valve sensor is short-circuited.