Abstract: The present application disclose a device for preparing rock samples with different moisture contents, which comprises a sample container, wherein two ends of the rock sample are respectively connected with a first steam inlet and a first steam outlet of the sample container; the first steam outlet, a pump and a gas-liquid separator are connected in sequence, a gas outlet end of the gas-liquid separator, a steam compressor and the first steam inlet are connected in sequence, and a liquid outlet end of the gas-liquid separator, a steam generator and the steam compressor are connected in sequence. The water vapor in the sample container is pumped into the gas-liquid separator by the pump to separate low-temperature water vapor and condensate, and the low-temperature water vapor and condensate form high-temperature and high-pressure steam again and return to the inside of the sample container. The water in the steam generator always circulates inside the preparation device.

Abstract: Disclosed herein is a 2K clearcoat coating composition including (A) from 10% to 70% by weight of a first resin having at least one primary hydroxyl group; (B) from 2% to 40% by weight of a second resin including a resin (B-1) having at least one primary hydroxyl group and/or a resin (B-2) having at least one secondary hydroxyl group; and (C) a crosslinker including at least one polyisocyanate and at least one amino resin, and the weight percentages of components (A) and (B) are based on the total weight of the coating composition and the ratio by weight between components (A) and (B) is in a range of from 6:1 to 1:2. Further disclosed herein is an article coated by the coating composition and the article may have metal substrates.

Abstract: Disclosed are a method and apparatus for training a map update model. The method may include: inputting a historical lane element corresponding to a road top view sample into the prior encoding network to generate a prior encoding feature; inputting the prior encoding feature and the road top view sample into the update network to generate lane update information; constructing a loss function based on the lane update information and a target lane element corresponding to the road top view sample; and adjusting a parameter of the map update model based on the loss function.

Abstract: The present invention provides compounds, compositions thereof, and methods of using the same.

Abstract: Embodiments of this application provide a SIM module management method and an electronic device, and relate to the field of electronic devices. A solution that supports an eSIM module is provided for an existing electronic device that supports dual SIM modules, so that the dual SIM modules are compatible with the eSIM module. The electronic device in the embodiments of this application may support three SIM modules. The three SIM modules include at least one eSIM module. The remaining two SIM modules may be both plug-in SIM modules, or may be one plug-in SIM module and one softSlM module. A user can arbitrarily select two SIM modules from the three SIM modules to be in online standby mode, or can arbitrarily select one SIM module from the three SIM modules to be in online standby mode.

Abstract: Provided are a text duplicate checking method, an electronic device and a computer-readable storage medium. The method includes storing a fingerprint set and a corresponding text ID in a byte data manner to obtain a fingerprint library; acquiring a target text and creating a target fingerprint; obtaining a comparison fingerprint set from map memories according to the target fingerprint, and calculating a similarity between the target fingerprint and each comparison fingerprint in the comparison fingerprint set separately; and based on a determination result that a number of 1s in binary values of one similarity is less than or equal to a preset value, querying a text ID corresponding to the one similarity, to implement duplicate checking of the target text.

Abstract: The present invention provides compounds, compositions thereof, and methods of using the same.

Abstract: A semiconductor package comprises a lead frame, a chip, and a molding encapsulation. The lead frame comprises a top plate, a plurality of drain pads, a plurality of slanted sections, a gate pad, and a plurality of source pads. The top plate of the lead frame comprises a thicker region and a thinner region. Each slanted section of the plurality of slanted sections connects a respective drain pad of the plurality of drain pads to the top plate. A respective side surface of each drain pad of the plurality of drain pads is exposed from a side surface of the molding encapsulation. A respective bottom surface of each drain pad of the plurality of drain pads is exposed from a bottom surface of the molding encapsulation. A top surface of the thicker region is exposed from a top surface of the molding encapsulation.

Abstract: According to a non-isolated DCDC resonant conversion control circuit provided in embodiments of this application, an inductor and a capacitor that are resonant are connected in series, so that a current flowing through the inductor is a sine waveform. A waveform coefficient of the sine wave is small, and a conduction loss of the sine wave is low. Therefore, the circuit provided in embodiments of this application can significantly reduce a circuit loss. According to the non-isolated DCDC resonant conversion control method provided in embodiments of this application, not only a phase shift angle can be adjusted to enable a switching transistor to implement zero voltage switching (ZVS) on, but switching frequency can also be adjusted. Therefore, ranges in which a voltage and power of an output interface can be adjusted are large, so that non-isolated wide-range DCDC resonant conversion is implemented.

Abstract: Disclosed are a method and a device for identifying full-section excavation parameters of large-section tunnel with broken surrounding rock, which is capable of solving the problem of inaccurate arrangement of blasting hole points in tunnel excavation engineering, including following steps: establishing a three-dimensional finite element model based on a blasting section design of a tunnel; performing a simulation with the three-dimensional finite element model based on blasting design parameters to obtain blasting quality parameters; selecting a group closest to a preset quality parameter from multiple groups of the blasting design parameters as target blasting design parameters, wherein the preset quality parameter is an acceptance grade standard of the tunnel; obtaining first thermal imaging information of a first hot spot of a surface to be blasted; calibrating actual hole spacing parameters based on the first thermal imaging information and the target blasting design parameters.

Abstract: The present disclosure relates to an information presentation method and apparatus, an electronic device and a storage medium. The method includes: presenting a target page, wherein the target page includes an object detail presentation area and a candidate object set presentation area, and the candidate object set presentation area is used for presenting first abstract information of each candidate object in a candidate object set; and in response to a selection operation for one piece of first abstract information in the candidate object set presentation area, presenting detail information of a first target object in the object detail presentation area, wherein the first target object is a candidate object corresponding to the selected first abstract information. Therefore, the operation steps of browsing the detail information of different objects can be simplified, and the operation time consumption can be shortened.

Abstract: Provided is a method for capturing video, the method including during a process of capturing video content, based on detecting missing-object content in which a target object is not included in a frame, using video content recorded prior to the missing-object content to obtain information regarding a location of the target object, a timestamp of the video content recorded prior to the missing-object content being earlier than a timestamp of the missing-object content, based on the location information obtained for the target object, adjusting a recording equipment's capturing direction, obtaining a post-adjustment recording direction of the recording equipment, decreasing a zoom factor of the recording equipment and obtaining a post-decrease zoom factor, and performing reidentification of the target object and continuing to capture video content with the target object included in the frame based on at least one of the post-decrease zoom factor and the post-adjustment recording direction.

Abstract: Example three-dimensional (3D) memory devices, methods, and memory systems for connecting vertical transistors and capacitors using connect structures are disclosed. One example method includes forming a first structure that includes multiple vertical transistors. A connect layer is formed over the first structure. The connect layer is etched to form connect structures, where each of the connect structures is coupled to a corresponding one of the vertical transistors. Multiple capacitors are formed over the connect layer, where each of the plurality of capacitors is coupled to a respective connect structure.

Abstract: A coupling structure for a cart comprises a first connector, a second connector, and a third connector. The first connector is detachably connected to the second connector, and the second connector is detachably connected to the third connector. The first connector is located inside the second connector, and the second connector is located inside the third connector, such that the first connector, the second connector, and the third connector form a three-layer ring-shaped embedded structure. According to the embodiments of the present disclosure, the coupling structure is stable, and has a strong bearing capacity. The cart using the coupling structure can load more objects, and has a stronger bearing capacity.

Abstract: Embodiments of this application disclose a method and apparatus for training an image region segmentation model, and an image region segmentation method and apparatus. The method includes acquiring a sample image set, and each image of the sample image set having first annotation information; generating graph structure data corresponding to a sample image in the sample image set, the graph structure data comprising multiple nodes, and each node comprising at least one pixel in the sample image; determining second annotation information of each node according to the graph structure data and the first annotation information corresponding to the sample image by using a graph convolutional network model, a granularity of the second annotation information being smaller than a granularity of the first annotation information, the graph convolutional network model being a part of an image segmentation model; and training the image segmentation model according to the second annotation information.

Abstract: The present invention provides an electric power material distribution and allocation method based on an optimized branch and bound method, including: sorting the distribution of each batch of electric power materials to obtain a material set R; screening available vehicle data to obtain a vehicle deadweight set W and a vehicle unique identification set C; determining whether available vehicles meet requirements; and using an optimized queued branch and bound method to obtain an optimal distribution and allocation scheme. According to the present invention, scientific scheme support is provided for the distribution and allocation of the electric power materials, the scientificity of the distribution of power grid materials is improved, the influence of human factors is reduced, the utilization rate of distribution vehicles is increased, the distribution cost of the materials is reduced, and the economic benefit is improved.

Abstract: The present disclosure relates to a method of deploying a big data cluster. In the present disclosure, a deployment interface is provided, to provide a big data cluster deployment function through the deployment interface. The method includes: in response to a node creation operation in the deployment interface, displaying a to-be-deployed node in a temporary resource pool region in the deployment interface; in response to a drag-and-drop operation on the to-be-deployed node in the temporary resource pool region, displaying the to-be-deployed node in a physical pool in the deployment resource pool region in the deployment interface; and in response to a start deployment operation in the deployment interface, according to the physical pool where the to-be-deployed node is located, creating a container corresponding to the to-be-deployed node on a server corresponding to the physical pool, where the container is configured to provide a big data cluster service.

Abstract: The present disclosure relates to a data processing method and apparatus, a device and a medium. In the present disclosure, by obtaining the attribute data of the operation object corresponding to the node displayed on the target node in the program code and associating the obtained attribute data with the corresponding node, the attribute data associated with the node can be modified directly based on the operation data corresponding to the drag-and-drop operation when dragging and dropping the node on the target node, without the need to search for the operation object, such that through a simple operation process, dragging and dropping the node can be displayed, enabling the node to be displayed at the position where the drag-and-drop operation ends based on the modified attribute data.