Abstract: A method and system for processing image, a computer device and a readable storage medium. The method includes: images in an initial dataset are preprocessed to obtain a training dataset (S1); an image segmentation neural network is trained by the training dataset (S2); a last loss function layer of a trained image segmentation neural network is removed to obtain an inference network (S3); the training dataset is inputted into the inference network to obtain a plurality of logical vectors (S4); a check network is trained on a basis of the plurality of the logical vectors, the initial dataset, and a mask of each of the images in the initial dataset (S5); and inference is performed on an image to be processed by the inference network and a trained check network so as to obtain the mask of the image to be processed (S6).

Abstract: A power electronics module includes a heat sink structurally configured to dissipate thermal energy, an electrically-insulating layer directly contacting the heat sink, a conductive substrate positioned on and in direct contact with the electrically-insulating layer, a power electronics device positioned on and in direct contact with the conductive substrate, a printed circuit board layer that at least partially encapsulates the conductive substrate and the power electronics device, and a driver circuit component positioned on a surface of the printed circuit board layer.

Abstract: A copy data management system for a modern application includes a modern application module and a copy data management module. The modern application module includes a service unit, an object storage gateway, a production object storage, and a database. The service unit is configured to generate a large object, a small object, and service metadata. The object storage gateway is configured to write and read the large object and the small object in the production object storage, merge small objects into a large object, and generate object metadata. The database is configured to store the service metadata and the object metadata. The copy data management module includes a metadata processing unit and a disaster recovery object storage. The metadata processing unit is configured to back up the database. The object storage gateway is also configured to back up the production object storage to the disaster recovery object storage.

Abstract: A trench gate semiconductor includes a substrate having a first conductivity type; an epitaxial layer having the first conductivity type, grown on the substrate; a well region having a second conductivity type, formed on a surface layer of the epitaxial layer; a source region having the first conductivity type, formed on a surface layer of the well region; a first trench, running through the well region from a surface of the source region to the epitaxial layer; a gate, formed in the first trench in a manner of being separated by a gate insulator; and an amorphous semiconductor layer, formed in the first trench and wrapping an outer bottom wall of the gate and corners on two sides of the outer bottom wall in a manner of being separated by the gate insulator, where the amorphous semiconductor layer is made of a low dielectric constant material.

Abstract: The present disclosure provides a method for manufacturing a conductive mesh, a thin film sensor and a method for manufacturing the thin film sensor. The method for manufacturing the conductive mesh includes: providing a dielectric substrate; forming a first pattern layer having a first trench portion in a mesh shape on the dielectric substrate; forming a first dielectric layer formed with a second trench portion in a mesh shape on a side of the first pattern layer away from the dielectric substrate, one of the first dielectric layer and the first pattern layer is made of an organic material, and the other of the first dielectric layer and the first pattern layer is made of an inorganic material; forming a conductive material in the second trench portion on a side of the first dielectric layer away from the dielectric substrate so as to form a conductive mesh.

Abstract: Power electronics device assemblies, circuit board assemblies, and power electronics assemblies are disclosed. In one embodiment, a power electronics device assembly includes an S-cell including a first metal layer comprising a first surface having a recess, a first graphite layer bonded to the first metal layer, a second metal layer bonded to the first graphite layer, a solder layer disposed on the second metal layer, and an electrically insulating layer bonded to the solder layer. The power electronics device assembly may further include a power electronics device disposed within the recess of the first surface of the first metal layer.

Abstract: A liquid-phase reactor has an outer cylinder and an inner cylinder disposed along an axial direction of the reactor. The outer cylinder has a top head, a straight cylinder section and a bottom head. An annular space is formed between the inner cylinder and the outer cylinder. A top end of the inner cylinder is open and is in communication with the annular space. The inner cylinder has an upper cylinder and a lower cylinder sequentially from top to bottom. The upper cylinder is positioned in the straight cylinder section, with its cross-sectional area being gradually reduced from top to bottom. The lower cylinder is positioned in the bottom head, with its cross-sectional area being gradually increased from top to bottom. An inorganic membrane tube extending along the axial direction of the reactor is provided in the lower cylinder so that a shell-and-tube structure is formed.

Abstract: The present invention provides a composite static rotary table and a method for protecting a composite static rotary table. The composite static rotary table comprises: a housing body provided with a mounting space; a rotary table body driven by a connecting mandrel to rotate; a base, the connecting mandrel being arranged through the base; an air stopping film arranged between the rotary table body and the base; and an auxiliary supporting assembly fixedly arranged in the mounting space and configured for assisting the rotary table body to be levitated relative to the base. The present invention is intended to solve the problem of ensuring the stable non-contact rotation of the rotary body of the rotary table relative to the base, while improving the bearing capacity of the rotary table.

Abstract: The present disclosure relates to the technical field of oil and gas field exploitation, in particular to an early strength material suitable for a cement slurry system, a cement slurry composition, a cement slurry system, a preparation method therefor and the use thereof. The early strength material contains an aluminum salt, a sodium salt, crystal whiskers, an inorganic mineral and dispersing agent I, wherein the weight ratio of the aluminum salt, the sodium salt, the crystal whiskers, the inorganic mineral and dispersing agent I is (1-3):(1-3):(1-4):(1-8):1.

Abstract: A method includes printing, using a 3D printer, a cold plate, printing, using a 3D printer, an electrical insulation layer embedded in a top surface of the cold plate, and printing, using a 3D printer, a conductor substrate embedded in the electrical insulation layer embedded in the top surface of the cold plate.

Abstract: An electrochemical device includes a negative electrode sheet. The negative electrode sheet includes a current collector, a first coating layer, and a second coating layer. The first coating layer is located between the current collector and the second coating layer. The second coating layer includes a negative active material. The first coating layer includes a conductive carbon material. The conductive carbon material includes at least one of carbon nanotubes or graphene. Based on a mass of the first coating layer, a mass percent of the conductive carbon material is 20% to 60%. The main material of the first coating layer is at least one of carbon nanotubes or graphene.

Abstract: An anti-disassembly connector, including: a connecting portion; and at least two bosses, where the bosses protrude from an end or a peripheral wall of the connecting portion, the bosses extend along a circumferential edge of the connecting portion, each of the bosses has a force-bearing surface and a force-releasing surface that are disposed opposite to each other, and two bosses are disposed at intervals along the circumferential edge of the connecting portion or the peripheral wall of the connecting portion; and a force-bearing sideline is formed on a side of the force-bearing surface away from the connecting portion, a distance between force-bearing sidelines of the two bosses is clamping distance L, an outer diameter of each of the at least two bosses has D, and L<D.

Abstract: An integrated power electronic package includes a cold plate having a microcontroller, driver circuit, and power module embedded within a top surface of the cold plate. A 3D-printed circuit board is printed on and/or around the microcontroller, driver circuit, and power module to create electrical connections between the components. Additional electrical components are mounted to the 3D-printed circuit board to form the integrated power electronics package. The cold plate further includes a hollow interior recess having a plurality of fins. The plurality of fins have varying densities to allow targeted cooling of the microcontroller, driver circuit, and power module embedded in the cold plate.

Abstract: The present disclosure provides method and apparatus for guiding topic in a conversation between a user and a chat engine. At least one first topic is determined. A first message is provided to the user based on the at least one first topic, to guide the conversation to the at least one first topic. A first response to the first message is received from the user. It is determined whether the first response is associated with the at least one first topic. In the case of determining that the first response is associated with the at least one first topic, at least one second topic is determined based on the at least one first topic. At least one second message is provided based at least on the at least one second topic, wherein if the at least one second topic is associated with resource or service, the at least one second message includes at least the resource or service.

Abstract: A laser module includes an optical assembly, a laser chip disposed on a side of the optical assembly, a power supply structure, a packaging structure and a heat dissipation structure. The power supply structure includes a first electrode and a second electrode both connected to the laser chip. An accommodating cavity is formed in the packaging structure, and the optical assembly is at least partially received in the accommodating cavity. The heat dissipation structure is sleeved on an outer side of the packaging structure, and abuts against the first electrode and the second electrode.

Abstract: Disclosed herein are apparatus and methods for a power electronics assembly that includes a cold plate assembly and one or more power device assemblies. The cold plate assembly has a manifold having a heat sink cavity in a first surface and a heat sink that includes one or more substrate cavities. The heat sink is positioned in the heat sink cavity. The one or more power device assemblies are positioned within the one or more substrate cavities. Each power device assembly includes an S-cell, a power device, and a direct bonded metal substrate bonded to the S-Cell. The S-cell includes a base layer constructed at least of graphite or a graphite-composite, a conductive layer at least partially surrounding the base layer, and a power device cavity. The power device is positioned in the power device cavity and is electrically coupled to the conductive layer.

Abstract: A wireless charging pad includes a rectifier, a receiver coil, a heat spreader plate sandwich between the rectifier and the receiver coil, and a ferrite cold plate sandwiched between the receiver coil and the heat spreader plate. The ferrite cold plate has a fluid inlet, a fluid outlet, and a fluid chamber in fluid communication with the fluid inlet and the fluid outlet. The fluid chamber includes a primary cooling chamber and a secondary cooling chamber. Primary cooling fins extending from the heat spreader plate are disposed in the primary cooling chamber and secondary cooling fins extending from a base of the ferrite cooling plate are disposed in the secondary cooling chamber. The ferrite cooling plate cools the rectifier and inhibits or blocks electromagnetic leakage from the receiver coil from interfering with operation of rectifier.

Abstract: Provided is a stop valve, including: a valve seat provided with a fluid channel and a mounting hole, the fluid channel communicates with the mounting hole, and an extending direction of the mounting hole and an extending direction of the fluid channel are disposed at a preset angle; a valve core, which is mounted in the mounting hole, a connecting hole is formed in the valve core, and a first internal thread is disposed in the connecting hole; a plugging member, which includes a rod body part and a covering part, a first external thread matched with the first internal thread is disposed on the rod body part, the rod body part is connected with the connecting hole through threads, the covering part is disposed at an end portion of the rod body part, and the covering portion protrudes out of an end portion of the mounting hole.

Abstract: A mounting and dismounting assembly is provided, which includes a first fixing member including a base plate with one end provided with an inserting post with a first clamping part and the other end provided with a first connecting part; and a second fixing member including a bottom shell and at least one slider located in the bottom shell. An end of the bottom shell facing the base plate is provided with a first inserting hole for accommodating the inserting post, and an end of the bottom shell away from the base plate is provided with a second connecting part. The slider is located at a peripheral side of the inserting post and slidably connected with the bottom shell. A second clamping part clamped with the first clamping part, and an elastic piece connected with an inner side wall of the bottom shell are provided.

Abstract: Provided are a terminal control method, system and apparatus, a computer device, and a storage medium. The method comprises: establishing connection with a controlled terminal; acquiring a first interaction interface of the controlled terminal; displaying a second interaction interface, wherein the second interaction interface matches the first interaction interface of the controlled terminal; receiving a touch-control operation of a user on the second interaction interface; according to the touch-control operation, controlling the controlled terminal to perform a touch control response; acquiring a first touch-control response interface of the controlled terminal, wherein the first touch-control response interface is an interface displayed by the controlled terminal after performing a touch control response; and displaying a second touch-control response interface, wherein the second touch-control response interface matches the first touch-control response interface of the controlled terminal.