Abstract: Provided is a display substrate. In the display substrate, a base substrate includes a display region, a bending region and a pad region. A length of the display region in a first direction is greater than a length of the display region in a second direction. Since the pad region, the bending region and the display region are arranged along the second direction, the pad region is arranged on a side where a long boundary line of the display region is located, such that each signal line led into the display region from the pad region has a relatively short length in the display region.

Abstract: A sealing quality detection device for gas extraction boreholes includes a detection host, a detection pipe, a sealing element, and a three-way pipe. A plurality of air inlets and a plurality of exhaust ports are formed above the detection host, a negative pressure injector is arranged in the detection host, a quick joint and a control switch are also arranged on the detection host, the quick joint is used to be connected with an underground wind pipe, the underground wind pipe is connected to an underground compressed air tube, and the control switch is used for starting and switching off the negative pressure injector in the detection host. A sealing quality evaluating method for gas extraction boreholes is provided.

Abstract: A power amplifier circuit, a base station, a signal transceiver device, and a power amplifier apparatus are disclosed. The power amplifier circuit may include a main amplifier circuit and an auxiliary amplifier circuit connected in parallel between a signal input end and a signal output end. The main amplifier circuit may include a first power amplifier and a second power amplifier connected in series. The first power amplifier is a class-C power amplifier, and the second power amplifier is a class-AB power amplifier. The auxiliary amplifier circuit may include a third power amplifier and a fourth power amplifier connected in series. The third power amplifier is a class-AB power amplifier, and the fourth power amplifier is a class-C power amplifier.

Abstract: A collaborative scheduling method for high-rise elevators based on Internet of Things is provided. The method includes: obtaining the number of people carried at the current moment of each elevator in the elevator group, the target distance corresponding to the current moment of each elevator, and the number of people waiting at the current moment of each floor; predicting the number of people waiting for the going up and the number of people waiting for the going down at the current moment of each floor based on the monitoring video data of the elevator door every day in the preset historical days, and constructing the corresponding feature vectors of each elevator at the current moment and the corresponding feature vectors of the skyscraper at the current moment, and then obtaining the corresponding state vectors at the current moment, controlling each elevator based on state vector and a reinforcement learning network.

Abstract: According to one general aspect, an apparatus may include a host interface circuit configured to receive offloading instructions from a host processing device, wherein the offloading instructions instruct the apparatus to compute an error correction code associated with a plurality of data elements. The apparatus may include a memory interface circuit configured to receive the plurality of data elements. The apparatus may include a plurality of memory buffer circuits configured to temporarily store the plurality of data elements. The apparatus may include a plurality of error code computation circuits configured to, at least in part, compute the error correction code without additional processing by the host processing device.

Abstract: A display panel and a display device are provided, The display panel includes: a circuit layer, a light-emitting device layer located at a side of the circuit layer and including vertical light-emitting diodes; and a touch structure. A part of the touch structure is located between the light-emitting device layer and the circuit layer, and/or a part of the touch structure is located at a side of the light-emitting device layer away from the circuit layer.

Abstract: A blockchain-based data processing method, device, and a computer-readable storage medium are provided. A first resource acquisition request of an object identification is transmitted for a target virtual resource to a blockchain network to make the blockchain network query a target ticket identification associated with the object identification and the target virtual resource based on the first resource acquisition request. Metadata is acquired having a binding relationship with the target ticket identification. The target ticket identification is used for characterizing that the object identification has ownership of the target virtual resource. The target virtual resource is acquired according to the metadata returned by the blockchain network. The target virtual resource is controlled to perform an interaction output in response to a triggering operation for interacting with the target virtual resource.

Abstract: A hand-held band saw includes a band saw body and an supporting device. The supporting device includes a fixing member, a slider, a supporting member, and a connection assembly. The fixing member is fixedly connected to the band saw body, the slider is slidably connected to the fixing member, the supporting member supports a workpiece and is connected to the slider, and the connection assembly connectes the slider and the supporting member. When the slider moves, the connection assembly is capable of enabling the supporting member to move along with the slider. The connection assembly comprises a buffer member mounted between the slider and the supporting member.

Abstract: The present invention relates to the field of ophthalmic therapies, specifically to ocular injection assemblies, injection devices and methods of use. The ocular injection assembly comprises a sleeve and a needle. The needle is capable of being set within the sleeve. A clamping port is provided at the end of the sleeve. A tip portion of the needle can pass through the clamping port during use. When using the ocular injection assembly, the clamping port of the sleeve is contacted with and pressed against the ocular tissue at the injection site to cause the ocular tissue at the injection site to protrude into the sleeve, which can significantly improve the success rate of the injection.

Abstract: The present disclosure relates to a sample and an evaluation method for measuring galvanic corrosion between a conductive coating and a protected substrate. A micropore insulating layer is arranged between the conductive coating and the substrate, the micropore insulating layer is composed of an insulating material and contains a micropore structure, the micropore structure can form an ion pathway on the surfaces of the conductive coating and the substrate after being filled with a conductive medium, and the substrate and the conductive coating are both connected with an independent leading wire. The sample of the present disclosure can evaluate galvanic corrosion between a conductive coating and other conductive materials more fully.

Abstract: Provided is a risk assessment method for power transmission line windage yaw flashover. The method includes determining the influence factors of power transmission line windage yaw flashover and setting risk assessment indexes according to the influence factors (S101); generating the standard cloud of the risk assessment indexes according to the incident occurrence probabilities and the consequence levels of the risk assessment indexes (S103); scoring the influence factors according to the risk assessment indexes and generating the risk cloud of the risk assessment indexes according to scoring results (S105); and performing a two-dimensional similarity calculation on the risk cloud and the standard cloud to obtain two-dimensional similarity between the risk cloud and the standard cloud and determining the risk level of the power transmission line windage yaw flashover according to the two-dimensional similarity (S107).

Abstract: The present disclosure provides an efficient vibration reduction and isolation base supported by a chained panel fluid bladder, including a chained panel, the vibration reduction fluid bladder, vertical limiting devices and a bottom plate. The chained panel is a discontinuous structure formed by connecting chained substructure panels in series by panel hinge devices. The vibration reduction fluid bladder and the vertical limiting devices are fixedly installed between the chained panel and the bottom plate. The chained panel is constructed based on the impedance mismatch principle and provided with a mechanical device. Mechanical vibration energy is dissipated twice by the chained panel and the vibration reduction fluid bladder, thereby greatly reducing influences of mechanical device operation on a hull structure.

Abstract: A lidar module includes a laser transceiver assembly configured to transmit and receive at least one laser beam and a lens scanning assembly integrated with the laser transceiver assembly. The lens scanning assembly has a movable lens arranged on an optical path of the laser beam transmitted by the laser transceiver assembly. The movable lens is configured with a way of movement in which the movable lens moves in a plane perpendicular to an optical axis of the movable lens to adjust a deflection direction of the laser beam. The present invention is intended to provide a lidar module, which can resolve a defect of a small detection field of view (FOV) of a lidar and realize modularization and miniaturization of a lens scanning assembly and a lidar.

Abstract: The present disclosure provides a laser radar module, including a housing body; a laser transceiver assembly and a thermoelectric cooler temperature control assembly accommodated in the housing body, the laser transceiver assembly and the thermoelectric cooler temperature control assembly being stacked and in contact with each other; an upper cover of a sealed chamber accommodated in the housing body and fixedly connected on an inner wall of the housing body, the upper cover of the sealed chamber and the housing body together enclosing and sealing the laser transceiver assembly; and a first circuit board and a second circuit board that are stacked and electrically connected to each other for electrically controlling the laser transceiver assembly and the thermoelectric cooler temperature control assembly respectively. An object of the present disclosure is to provide a laser radar module to at least reduce the size of the laser radar module.

Abstract: A video processing method applied to a splicing screen is provided, including: dividing each frame of an initial video into multiple sub-images; and forming sub-videos using all the sub-images, the initial video and each sub-video including M frames, M being an integer greater than 1, and durations of individual frames of the sub-videos being the same, wherein i-th frames of all sub-videos are spliced into an i-th frame of the initial video, and a relative position of the i-th frame of any sub-video in the i-th frame of the initial video is the same as a relative position of any other frame of the sub-video in a corresponding frame of the initial video, where i is a variable whose value is a natural number from 1 to M. A dividing task distribution method, a computer-readable storage medium, a scheduling server, an execution server and a video processing system are provided.

Abstract: An image rendering method includes acquiring a water wave map corresponding to a target water body region, and acquiring a normal map corresponding to the target water body region in a next image frame based on the water wave map corresponding to the target water body region in the current image frame. The method further includes rendering a water wave effect on the target water body region in the next image frame based on the normal map. The method further includes performing attenuation processing on the water wave map corresponding to the target water body region where the dynamic object is located in the current image frame based on a water wave diffusion attenuation matrix corresponding to the dynamic object to obtain an attenuated water wave map when the dynamic object moves in water.

Abstract: An in-situ square sample acquisition device and method for a bond contact test of a surrounding rock and a shotcrete layer are provided, the device includes a supporting shell, a fixing structure, hollow adjusting bolts and two borehole positioning frames, a guide hole is provided in a middle of the supporting shell, the frames are slidably fit in the guide hole, a plurality of positioning holes are provided in side walls of each of the frames, and the positioning holes in different frames are distributed in a staggered manner, four corners of the supporting shell are connected with four hollow adjusting bolts respectively, one end of each of the hollow adjusting bolts is fixedly provided with an adjusting nut, four fixing lugs are provided in four corners of each frame respectively, and the fixing structure includes four connecting bolts and four nuts.

Abstract: An image rendering method includes acquiring a water wave map corresponding to a target water body region, and acquiring a normal map corresponding to the target water body region in a next image frame based on the water wave map corresponding to the target water body region in the current image frame. The method further includes rendering a water wave effect on the target water body region in the next image frame based on the normal map. The method further includes performing attenuation processing on the water wave map corresponding to the target water body region where the dynamic object is located in the current image frame based on a water wave diffusion attenuation matrix corresponding to the dynamic object to obtain an attenuated water wave map when the dynamic object moves in water.

Abstract: The present disclosure provides a display method, including: receiving a task list, the task list includes at least one display task, and the display task includes identification information of a video resource corresponding to the display task; displaying the video resource defined by a first target task according to the first target task, where the first target task is a display task, in which the identification information of the display terminal serving as a host is the same as that of a current display terminal; and sending a display trigger signal to a display terminal serving as a slave in the first target task, where the display trigger signal is for controlling the display terminal receiving the display trigger signal to display the video resource defined by the first target task. The present disclosure further provides a display control method, a display terminal, a server and a display system.