Abstract: A camera apparatus includes a bearing member, a first drive assembly, a camera module, a rotating member, and a lifting member. The first drive assembly is mounted on the bearing member, and the rotating member is rotatably disposed on the bearing member. The first drive assembly fits the rotating member, the rotating member fits the lifting member, and the rotating member is configured to drive the lifting member to ascend or descend during rotation. The camera module includes a camera and a second drive assembly, the second drive assembly is connected to the camera, and the second drive assembly is configured to drive the camera to ascend or descend.

Abstract: The present application relates to a method for vehicle hinge point calibration, comprising: acquiring a raw image of a first portion and a second portion hinged to one another of a vehicle; adjusting, stitching and cropping the raw image to obtain respective independent surround-view images of the first portion and the second portion; and at least on the basis of the independent surround-view images of the first portion and the second portion, calculating the angle of rotation and the corresponding translation vector between the first and second portions, and thus calculating the coordinates of the respective hinge points of the first and second portions. Further comprised in the present application are an apparatus for vehicle hinge point calibration, a computer device, and a computer-readable storage medium.

Abstract: Disclosed are an external, numerically controlled, rapid reconfigurable surface mold and forming method thereof In this mold, an external shape-adjusting component is composed of a height-regulating rod, a motor, and a sliding guide rail module. The height-regulating rod is connected to the sliding guide rail module, and the motor is coaxially connected to the height-regulating rod. In addition, the molding module consists of a plurality of basic body units with the same structure, the lower end of the basic body unit is installed in the mold box, the upper end of the basic body unit is matched with the lower end of the height-regulating rod, and the height of the basic body unit is adjustable. Subsequently, in the forming method, driven by the motor and under the action of the force of the lower end of the height-regulating rod, the height-regulating rod moves above the basic body units.

Abstract: The present disclosure provides an underwater detection method for contact leakage of a tunnel joint of a dam culvert, including: obtaining an underwater image sequence of the culvert by an underwater robot; preprocessing and registering the underwater image sequence; extracting particle information appearing in the underwater image sequence based on the registered underwater image sequence; constructing a three-dimensional fluid velocity distribution map based on the particle information, and determining leakage situation according to the three-dimensional fluid velocity distribution map; and superimposing the three-dimensional fluid velocity distribution map on a preconfigured three-dimensional culvert model, and rendering and displaying it.

Abstract: A brain-computer aided analysis method for an aviation accident is provided. The method includes the steps of obtaining historical electroencephalogram (EEG) signals and historical psychological and physiological features of various pilots during flight to be recorded as first EEG signals and first features; training a feature recognition model by using the first EEG signals as an input and the first features as an output; inputting EEG signals of a pilot of an aviation accident aircraft into the feature recognition model, and outputting psychological and physiological features of the pilot of the aviation accident aircraft to be recorded as second features; determining whether the second features are abnormal or not according to the historical psychological and physiological features of the pilot of the aviation accident aircraft and the first features.

Abstract: The present disclosure discloses a water recycling type greenhouse, including a greenhouse body; a water collection device is arranged in the greenhouse body; the water collection device is provided with an air inlet and an air outlet; a condensation portion and a reheating portion are arranged in the water collection device; and the water recycling type greenhouse further includes an energy supply system. Air in the greenhouse body can be poured into the water collection device from the air inlet, flow through the condensation portion and the reheating portion in sequence, and finally be discharged into the greenhouse body again from the air outlet. When the heated air is discharged into the greenhouse body again, a decrease of the temperature of the greenhouse is not likely to occur, and normal growth of plants is not easily affected.

Abstract: An online system hosts a retailer storefront user interface for a third-party retailer that includes content associated with items offered by the retailer for procurement and delivery through the online system. A retailer may provide preferences for where different candidate content is placed in the retailer storefront user interface. The online system applies a machine learning model to the retailer preferences and other contextual information relating to a particular presentation of the retailer storefront user interface to dynamically rank content for different possible placement positions. The ranking scores may relate to predicted performance metrics associated with operations of the online system. Content is then placed in the retailer storefront user interface based on the respective ranking scores.

Abstract: Disclosed in the present invention is a non-oriented electrical steel plate with good magnetic performance. The non-oriented electrical steel plate contains Fe and inevitable impurities, and further contains the following chemical elements, in percentage by mass: 0<C?0.0015%, Si: 0.2-1.8%, Mn: 0.2-0.4%, Al: 0.2-0.6%, V: 0.002-0.005%, and N<0.002%. In addition, further disclosed in the present invention is a manufacturing method for the non-oriented electrical steel plate with good magnetic performance. The manufacturing method comprises the steps of: (1) smelting and casting: (2) hot rolling, wherein a steel coil obtained after the hot rolling is directly introduced to the next step without being subjected to normalizing annealing or cover annealing; (3) acid pickling; (4) cold rolling; and (5) continuous annealing, wherein the steel plate is heated to a target soaking temperature at a heating rate of 50-5000° C./s after the cold rolling.

Abstract: Systems, computer program products and/or computer-implemented methods described herein relate to a process to optimize performance of an operating neural network. A system can comprise a memory that stores computer executable components and a processor that executes the computer executable components, which can comprise an identification component that, employing an operating, multi-layered virtual computation module of looped neurons, identifies a first neuron of a first cluster of a first layer of the looped neurons as being an outlier neuron, an adjustment component that reassigns the outlier neuron from the first cluster to a second cluster of the first layer, and a scheduling component that, based on a dependency among layers of the multi-layered virtual computation module, including the first layer, adjusts a cross-layer functionality of the looped neurons for a workload currently being performed by the multi-layered virtual computation module.

Abstract: According to one embodiment, a method, computer system, and computer program product for managing access to data is provided. The embodiment may include identifying two or more users. The embodiment may also include identifying one or more data regulation requirements. The embodiment may further include determining a set of data rules from the one or more data regulation requirements. The embodiment may also include identifying a data set. The embodiment may further include determining, in response to a request for a subset of data from the data set, an access state to the subset of data for a user from the two or more users based on one or more data rules from the set of data rules. The embodiment may also include generating filtered data according to the determined access state.

Abstract: A high-temperature and high-salt resistant hyperbranched lubricant for a water-based drilling fluid, and preparation and application thereof are provided, belonging to the technical field of oilfield chemistry. The preparation method includes the steps of: mixing tetraethyl orthosilicate (TEOS), diethanolamine (DEA), and triethanolamine (TEA) for a transesterification and polycondensation reaction to obtain highly reactive hyperbranched polysiloxane; adding an acrylamide (AM) monomer, an anionic monomer, and a polar ester monomer into deionized water to obtain a monomer solution; adjusting the pH of the monomer solution to 5-9, and then adding highly reactive hyperbranched polysiloxane; introducing nitrogen to remove oxygen, adding an initiator, and thermally initiating a polymerization reaction; and after the reaction is completed, vacuum-drying and crushing an obtained product to obtain the high-temperature and high-salt resistant hyperbranched lubricant for a water-based drilling fluid.

Abstract: A soil remediation system and a soil remediation method. The soil remediation system comprises a heating unit (5) and a pumping/injecting device for pumping underground water in soil and injecting a remediation agent into the soil. The soil remediation method comprises the following treatments: heating soil to be remediated; pumping underground water; and injecting a remediation agent.

Abstract: Disclosed is a tube, which has, in the thickness direction, a corrosion-resistant layer and a base layer. The corrosion-resistant layer is at least located on the inner wall of the tube. The corrosion-resistant layer, in addition to Fe and inevitable impurities, further contains the following chemical elements in wt %: 0<C?0.08%; Si: 0.3-0.6%; Mn: 0.5-2.0%; Ni: 11.00-13.00%; Cr: 16.50-18.00%; Mo: 2.00-3.00%; N: 0.02-0.2%; and Cu: 0.01-0.3%, wherein Cr, Mo, N and Cu satisfy the following inequation: Cr+3.3×Mo+16×N+10×Cu?26.0%. Correspondingly, further disclosed is a method for manufacturing the tube, comprising the steps of: (1) preparing a corrosion-resistant layer slab and a base layer slab; (2) assembling the corrosion-resistant layer slab and the base layer slab to obtain a clad slab; (3) heating and rolling: heating the clad slab at a temperature of 1150 to 1200° C.

Abstract: A memory system includes a memory device including memory cells, and a memory controller coupled to the memory device. A memory cell is configured to be programmed to one of a first state and a second state. The first state corresponds to a first bit, and the second state corresponds to a second bit. The memory controller is configured to receive first data including bits, the bits of the first data including the first bit and the second bit, in response to a second number of the second bit in the first data being larger than a first number of the first bit in the first data, perform a first flipping operation to the first data to obtain a second data including the bits, and store the second data to the memory device.

Abstract: A system on chip comprises a first core cluster including a plurality of cores and executing a first virtual machine including a first debug client, and a second core cluster including a plurality of cores and executing a second virtual machine including a second debug client. A first core of the first core cluster and a second core of the second cluster execute a hypervisor at a first exception level and detect unusual operation cores in each cluster. The first core and second core execute the debug server at the first exception level and call the debug clients. The first core and second core execute the debug clients at a second exception level and output stack information of the unusual operation cores.

Abstract: Disclosed are a visualization grouting device for coal and rock fissures and a test method, a test device including a visualization fissure grouting box body, a box body bracket, a grouting device and a monitoring device. A bottom plate is divided into four identical areas, rubber cushion blocks with different specifications are arranged to simulate different fissure widths and tortuosity, artificial protolith thin film is pasted inside, and a grouting hole and a plurality of pressure measuring holes are arranged in the center of the upper top plate. In the present disclosure, the grouting process of fissures under different grouting conditions, such as different fissure widths, roughness, grouting resistance and tortuosity of pore channels can be simulated, the grouting under different fissure conditions can be simultaneously simulated, and the differences of different grouting diffusion forms can be clearly and intuitively analyzed and compared through the visualization box body.

Abstract: The present invention discloses a pipe, wherein the pipe has a corrosion-resistant layer and a base layer in the thickness direction, the corrosion-resistant layer being at least disposed on the inner wall of the pipe, and the corrosion-resistant layer further comprises, in addition to Fe and inevitable impurities, the following chemical elements in percentage by weight: 0<C?0.05%; Si: 0.3-0.6%; Mn: 0.5-2.0%; Ni: 8.00-14.00%; Cr: 16.00-19.00%; Mo: 2.00-3.50%; N: 0.02-0.20%; and Ti: 0.01-0.2%, and Cr, Mo, N, and Ti satisfy the following inequation: Cr+2.8×Mo+16×N+2×Ti?22.0%. Correspondingly, the present invention further discloses a method for manufacturing the above pipe comprising the steps of: (1) preparing a corrosion-resistant layer slab and a base layer slab; (2) assembling the corrosion-resistant layer slab and the base layer slab to obtain a composite slab; (3) heating and rolling: heating the composite slab at a temperature of 1150-1230° C.

Abstract: The present disclosure provides a recording material estimation method, an information processing apparatus and a consumable. The method includes sending outputted page quantity messages respectively corresponding to n job types and first consumption messages of the recording material respectively corresponding to the n job types to the image-forming apparatus, where the outputted page quantity messages respectively corresponding to the n job types and the first consumption messages of the recording material respectively corresponding to the n job types are configured to determine a total consumption message of the recording material in a consumable; n is an integer greater than 1; and single-job outputted page quantities respectively corresponding to the n job types are different.