Abstract: The present disclosure relates to an element search method and apparatus, a computer device, a storage medium and a computer program product. The method includes: acquiring an element search instruction carrying an element identifier information of a target element; determining an element prediction type matching the target element based on the element identifier information; searching for the target element on a search panel according to the element prediction type to acquire element attribute information of the target element; determining a target layer of the target element in a Printed Circuit Board (PCB) layout based on the element attribute information, opening the target element at the target layer, and highlighting the opened target element. Accordingly, the efficiency of searching for the element can be improved.

Abstract: Embodiments of the present disclosure provide a video editing method and apparatus, an electronic device, and a storage medium. The method comprises: creating at least one editing subtask for a video editing task; in response to a first operation for triggering a target editing subtask, obtaining an initial video material and presenting an editing interface of the target editing subtask; recording the editing operation triggered in the editing interface and presenting an indication identifier of the editing operation in the editing track; generating an editing result of the target editing subtask based on the recorded information of the editing operation and the initial video material; based on the editing result of each editing subtask of the video editing task, generating a target video as an editing result of the video editing task.

Abstract: Provided is a movable electro-hydraulic composite drive spraying robot with a large working space, comprising movable bases, there being a plurality of movable bases cooperatively arranged for bearing a drive rope adjustment module, profile supporting columns in the driving rope adjusting module respectively being fixed on the movable bases, the plurality of movable bases encircling an operating space, a adjustable auxiliary motion platform that is movable being erected in the operating space, a rotary motion platform being arranged below the adjustable auxiliary motion platform, the adjustable auxiliary motion platform and the rotary motion platform being connected by means of a hydraulic push rod, the bottom end surface of the rotary motion platform being provided with a spray gun, and a balance mechanism and a fixed support mechanism for balancing the traction force of the rope and maintaining the balance of the mechanism also being mounted on the movable bases.

Abstract: The present disclosure provides a method of monitoring, evaluating and early-warning pollution for key pollution sources in an industrial park. The method comprises: a multi-index on-line early-warning monitoring method for pollution from key pollution sources, a hierarchical pollution risk evaluating method, and a pollution early-warning grade evaluating method, which are in line with the environmental management solution that pollution prevention is the priority in an industrial park in China.

Abstract: Various embodiments of the present disclosure are directed towards an integrated chip including a first conductive structure over a substrate. A data storage structure overlies the first conductive structure. The data storage structure comprises a first dielectric layer on the first conductive structure and a second dielectric layer on the first dielectric layer. The first dielectric layer comprises a dielectric material and a first dopant having a concentration that changes from a top surface of the first dielectric layer in a direction towards the first conductive structure. A second conductive structure overlies the data storage structure.

Abstract: A torsion balance is provided which includes a twisting wire and a reflector. The twisting wire is a suspended carbon nanotube. The reflector is hung on the twisting wire. The reflector further includes a film, a first reflecting layer, and a second reflecting layer; and the film includes a first surface and a second surface opposite to the first surface, and the first reflecting layer is located on the first surface and the second reflecting layer is located on the second surface.

Abstract: Various embodiments of the present disclosure are directed towards a memory device. The memory device has a first transistor having a first source/drain and a second source/drain, where the first source/drain and the second source/drain are disposed in a semiconductor substrate. A dielectric structure is disposed over the semiconductor substrate. A first memory cell is disposed in the dielectric structure and over the semiconductor substrate, where the first memory cell has a first electrode and a second electrode, where the first electrode of the first memory cell is electrically coupled to the first source/drain of the first transistor. A second memory cell is disposed in the dielectric structure and over the semiconductor substrate, where the second memory cell has a first electrode and a second electrode, where the first electrode of the second memory cell is electrically coupled to the second source/drain of the first transistor.

Abstract: The present specification discloses video matching. In a computer-implemented method, a plurality of feature vectors of a target video is obtained. A candidate video similar to the target video is retrieved from a video database based on the plurality of feature vectors of the target video. A time domain similarity matrix feature map is constructed between the target video and the candidate video based on the target video and the candidate video. Using the time domain similarity matrix feature map as an input into a deep learning detection model, a video segment matching the target video in the candidate video and a corresponding similarity is output.

Abstract: A downhole throttling device based on wireless control includes an inlet nozzle, a throttling assembly, an electrical sealing cylinder, a gas guide cylinder, a lower adapter sleeve, an end socket, a female sleeve, and electrical components. The inlet nozzle is connected to the throttling assembly, the throttling assembly is connected to the electrical sealing cylinder and the gas guide cylinder, the electrical sealing cylinder and the gas guide cylinder are both connected to the lower adapter sleeve, the lower adapter sleeve is respectively connected to the end socket and the female sleeve, and the electrical components are arranged in the electrical sealing cylinder. A throttling effect is achieved by detecting the temperature and pressure in a tube by a temperature/pressure sensor in the electrical components and controlling a motor to rotate a movable valve in the throttling assembly by a circuit control assembly, thereby achieving wireless control over downhole throttling.

Abstract: A contact lens comprising one or more microchannels for transport of liquid through the lens is provided. The contact lens can be made by contacting a curable composition with a microfiber that is insoluble in the curable composition; curing the curable composition to provide a polymeric lens body with the microfiber embedded therein; and contacting the polymeric lens body with a solvent to dissolve the microfiber.

Abstract: A method for manufacturing a package structure includes providing a carrier board; providing at least one die having a top surface, a bottom surface, and a side surface on the carrier board; and forming a protective layer to cover at least a portion of the side surface of the die. The die includes a substrate, a semiconductor layer, a gate structure, a source structure and a drain structure, at least one dielectric layer, and at least one pad. The semiconductor layer is disposed on the substrate. The gate structure is disposed on the semiconductor layer. The source and the drain structures are disposed on opposite sides of the gate structure. The dielectric layer covers the gate, source, and drain structures. The pad is disposed on the dielectric layer and penetrates through the dielectric layer to electrically contact with the gate, source or drain structure.

Abstract: In certain aspects, a noise suppression method and system for a personal sound amplification product (PSAP) are disclosed. An environmental audio signal acquired through one or more microphones is processed to generate a set of first sub-band signals in a set of first sub-bands. The environmental audio signal is also processed to generate a set of second sub-band signals in a set of second sub-bands. A set of first gains for the set of first sub-band signals in the set of first sub-bands is determined based on the set of second sub-band signals in the set of second sub-bands. The set of first sub-band signals is processed based on the set of first gains to generate a noise-suppressed audio signal.

Abstract: A semiconductor device includes: a substrate; a seed layer disposed on the substrate; a compound semiconductor stack layer disposed on the seed layer; and a source metal layer and a drain metal layer disposed on the compound semiconductor stack layer. The semiconductor device further includes a conductive layer at least partially covering the source metal layer and the drain metal layer, and covering opposing side surfaces of the seed layer and opposing side surfaces of the compound semiconductor stack layer. The conductive layer electrically connects the seed layer and the source metal layer.

Abstract: Provided are an adaptor element in a bubble shape, a method of constructing a sequencing library with such an adapter element. The adaptor element is a hybrid formed with a long-chain nucleic acid A and a short-chain nucleic acid B. The hybrid is in the bubble shape with paired regions at two terminals and a non-paired region in the middle.

Abstract: The present invention provides a hexagonal frustum deployable unit and the deployable mechanism formed by the same, which includes hexagonal frustum deployable units, unit connecting rods and support frames, 3N2+3N+1 hexagonal frustum deployable units are combined into a closely connected deployable mechanism through unit connecting rods and support frames; the present invention combines hexagonal frustum deployable units array into deployable mechanisms of any aperture size, which has advantages such as high rigidity, high retraction rate, high support performance and adjustable aperture size, which makes space deployable antenna mechanism safer, more efficient and convenient during operation process and solves problems of weak signal transmission or reception, small data capacity and low communication rate of traditional antennas.

Abstract: Disclosed is a traffic flow forecasting method based on a multi-mode dynamic residual graph convolution network, including following steps: constructing a relationship matrix and an adaptive matrix to learn the site dependence relationship for historical traffic data of traffic stations; using multi-mode dynamic graph convolution to extract traffic characteristics corresponding to different traffic modes; embedding the graph convolution into the gated cyclic neural network to realize the combination of space dependence and time dependence of traffic flow; connecting the network by using the dynamic residual, and combining the input traffic data with the decoding data to obtain the final forecasting value. The application utilizes two different methods to construct adjacency matrix, effectively captures traffic flow characteristics corresponding to different traffic modes, and dynamically fuses traffic flow characteristics of two different modes.

Abstract: The present disclosure discloses a laser radar for meteorological observation, and specifically relates to the field of meteorology. The laser radar comprises a base. According to the present disclosure, air pressure at the bottom of 301 is increased by injecting gas into the interior of 202, so that the 301 falls off from 201, and the disassembly between the stable seat and the connecting sleeve plates is realized; with regard to the disassembly process of the connecting sleeve plates and the base, the magnetic pole of a positioning electromagnet is changed mainly by switching the current direction of an external coil of the positioning electromagnet, so that the positioning electromagnet is separated from the locking magnet, thereby facilitating the detachment of the base and the connecting sleeve plates in combination with the linkage component, and the disassembly process of the whole device.

Abstract: An atmospheric visibility prediction method based on deep belief networks (DBN) includes steps of establishing a DBN model, determining a network input parameter, preprocessing input data, preferably selecting the number of hidden layers and the number of nodes in each layer, training the DBN model and predicting atmospheric visibility. According to the method, an output layer of the DBN model is a back propagation (BP) network, an output feature vector of a restricted Boltzmann machine (RBM) is received as an input feature vector, and an entity relationship classifier is trained in a supervised way. A process of training a model by an RBM network can be regarded as initialization of a deep BP network weight parameter, such that the DBN overcomes defects that the BP network is prone to local optimization and is long in training time.

Abstract: Provided is a PCR-free library construction and sequencing method. A PCR-free high-throughput sequencing method is provided, including the following steps: obtaining a DNA fragment of target size by performing or not performing, based on a size of a nucleic acid sample, fragmentation on the nucleic acid sample; performing end repair and an A-tailing reaction; ligating an adapter containing a barcode; obtaining DNA nanoballs by performing single-strand cyclization and rolling circle replication; and loading and sequencing.

Abstract: The present disclosure discloses a laser radar for meteorological observation, and specifically relates to the field of meteorology. The laser radar comprises a base. According to the present disclosure, air pressure at the bottom of 301 is increased by injecting gas into the interior of 202, so that the 301 falls off from 201, and the disassembly between the stable seat and the connecting sleeve plates is realized; with regard to the disassembly process of the connecting sleeve plates and the base, the magnetic pole of a positioning electromagnet is changed mainly by switching the current direction of an external coil of the positioning electromagnet, so that the positioning electromagnet is separated from the locking magnet, thereby facilitating the detachment of the base and the connecting sleeve plates in combination with the linkage component, and the disassembly process of the whole device.