Abstract: This application provides a motor, a watercraft propeller, and a watercraft. The motor includes: a housing with a cavity filled with insulating liquid; a stator fixed inside the cavity, with an inner rotating cavity on its inner side; and a agitation structure, rotating inside the inner rotating cavity, at least partially immersed in the insulating liquid, and configured to agitate the insulating liquid in a centrifugal or rotational form to contact and cool the stator. The agitation structure agitate the insulating liquid to the inner peripheral surface of the stator, allowing the stator to obtain the insulating liquid from the inner peripheral surface, ensuring uniform contact and heat exchange between the stator and the insulating liquid.

Abstract: A vibration damping loudspeaker includes a sound-generating unit, a magnetic member, an assembly-auxiliary frame and dampers. Aligning units of the assembly-auxiliary frame are coupled to positioning units of the sound-generating unit. The dampers are symmetrically disposed between the magnetic member and the assembly-auxiliary frame. The sound-generating unit and the magnetic member can be quickly and easily mounted in place because of the assembly-auxiliary frame to not only enhance the production yield of the vibration damping loudspeaker but also allow the dampers to function as a buffer between the sound-generating unit and the magnetic member, so as to achieve vibration damping and vibration isolation during the operation of the vibration damping loudspeaker to spare users the discomfort they will otherwise experience for using electronic devices.

Abstract: A method of enhancing an abnormal area of a ground-penetrating radar image based on hybrid-supervised learning includes the steps of: building a database including a real image set, a simulation image set and a simulation image label set; adopting a generative adversarial network; processing semi-supervised training and unsupervised training alternately to obtain a trained model, then inputting a real radar image with abnormal area that needs to be enhanced into the model and processing through the generative network to output an abnormal-area-enhanced image.

Abstract: According to various aspects of the present invention, a positive electrode composition for a lithium-ion secondary battery includes an active material capable of inserting and extracting lithium ions, and a conductor, wherein the active material is a lithium-nickel-cobalt-manganese complex oxide; the conductor is a carbon black and carbon nanotubes; the carbon black has a BET specific surface area of 100 to 400 m2/g, and a DBP absorption of 210 to 380 ml/100 g; and the carbon nanotubes have an average diameter of 7 to 15 nm.

Abstract: A method for evaluating the mechanical state of a high-voltage shunt reactor based on vibration characteristics is disclosed, relating to the technical field of electrical equipment fault diagnosis. The method includes: based on historical state data and real-time vibration and noise signal data of the high-voltage shunt reactor and through an LSTM neural network time series prediction method, comparing deviation between predicted characteristic value and actual characteristic value, and determining whether the high-voltage shunt reactor has mechanical defects or failures. By using the historical state data and the real-time vibration and noise signal data of the high-voltage shunt reactor, an LSTM neural network time series prediction method, as well as comparison of the deviation between the predicted characteristic value and the actual characteristic value, etc., the evaluation of the mechanical state of the high-voltage shunt reactor is realized.

Abstract: A semiconductor chip package is described. The semiconductor chip package has a substrate. The substrate has side I/Os on the additional surface area of the substrate. The side I/Os are coupled to I/Os of a semiconductor chip within the semiconductor chip package. A cooling assembly has also been described. The cooling assembly has a passageway to guide a cable to connect to a semiconductor chip's side I/Os that are located between a base of a cooling mass and an electronic circuit board that is between a bolster plate and a back plate and that is coupled to second I/Os of the semiconductor chip through a socket that the semiconductor chip's package is plugged into.

Abstract: The present disclosure relates to a microfluidic chip and a microfluidic chip detection system. The microfluidic chip including: a storage member provided with a groove therein, at least two storage chambers being disposed around the groove; a base disposed at one end of the storage member away from the groove, a reaction chamber being disposed on the base; and a valve disposed in the groove, the valve being configured to operatively communicate any one of the at least two storage chambers with the reaction chamber. The present disclosure can lead the solution in any storage chamber to the reaction chamber or lead the solution in the reaction chamber to any storage chamber by operating the valve, so that the solution transfer is realized, the structure is simple and compact, the length of the flow channels can be greatly shortened, and the detection efficiency is improved.

Abstract: The present disclosure describes techniques for managing secret information. A material set may be created. The material set may correspond to a material set name (MSN). The material set may be configured to contain secret information and information for identifying destinations that are authorized to access the secret information. The secret information may be managed by using the MSN to identify and track the secret information and without exposing the secret information.

Abstract: A push-bending forming device for titanium alloy tubes is provided, which includes a die main body, a plurality of filling balls, a differential temperature assembly and a punch. The filling balls are configured to be filled in a tube blank, and are made of a metal material, with a heat-resistance temperature over 500° C. A diameter of the filling ball is less than an inner diameter of the tube blank. The punch includes a first pushing part and a second pushing part. A push-bending forming method using such device is also provided.

Abstract: Disclosed in the present disclosure are a beverage maker, and a method and device for controlling a beverage brewing process, which belong to the field of small household appliances. A brewing unit of the beverage maker includes a pressurizing member for generating pressure in the brewing unit in the beverage brewing process, and a pipe supplying water to the brewing unit is provided with a flowmeter. The method includes: supplying water to the brewing unit in response to a start signal of current beverage brewing, and obtaining state change information of the flowmeter, where the state change information is configured to indicate a rotational speed change trend of the flowmeter in a current beverage brewing process.

Abstract: Examples of modifiable structures are described herein. In some examples, a structure includes a first lattice. In some examples, the first lattice provides a property of the structure. In some examples, the structure includes a modifiable second lattice. In some examples, the modifiable second lattice may adjust the property of the structure.

Abstract: The present disclosure relates to systems and methods for image coding. The system may determine a predetermined region in a coding unit in an image, the predetermined region including a plurality of pixels. The system may determine whether a prediction angle of a prediction mode is larger than or equal to 0° and smaller than or equal to 90°. In response to determining that the prediction angle of the prediction mode is larger than or equal to 0° and smaller than or equal to 90°, for each of the plurality of pixels in the predetermined region, the system may determine a preliminary predicted value of the pixel based on at least one of one or more first reference lines associated with the coding unit along a prediction direction corresponding to the prediction angle. The one or more first reference lines may be along a first side or a second side of the coding unit and each of the one or more first reference lines may include a plurality of first reference pixels.

Abstract: Examples of methods are described herein. In some examples, a method includes determining a first portion within a build volume. In some examples, the method includes packing first objects in the first portion. In some examples, the method includes packing using a genetic procedure. In some examples, the method includes packing, using the genetic procedure, second objects in the build volume.

Abstract: The supporting module includes a supporting assembly including a fixed plate and a movable plate, and both sides of fixed plate are hinged with one movable plate; a synchronous assembly is fixed on the fixed plate, transmission assemblies are located at a bottom of the movable plate and a bottom of the fixed plate, a bottom surface of each movable plate is movably connected to a first end of one transmission assembly, and second ends of the transmission assemblies located at both sides of the fixed plate are movably connected to the synchronous assembly; when a first included angle is disposed between a supporting surface of one movable plate and a supporting surface of the fixed plate, a supporting surface of the other movable plate keeps the first included angle with the supporting surface of the fixed plate under an action of the transmission assembly and the synchronous assembly.

Abstract: An upstream resource grant method, a device, a passive optical network, and a computer-readable storage medium are provided. The upstream resource grant method includes: obtaining, by an optical line terminal, an upstream grant message on which transformation processing has been performed, wherein a transformation parameter used for the transformation processing includes a physical identity of an optical network unit (ONU); and sending, by the optical line terminal, the upstream grant message on which the transformation processing has been performed, wherein the upstream grant message carries an upstream resource grant indication of the optical network unit, and the upstream resource grant indication indicates an upstream resource granted to the optical network unit. According to this application, an occurrence probability of a rogue ONU phenomenon is reduced, thereby improving service running stability of a PON system.

Abstract: Systems and methods of predicting temperature during a build of a three-dimensional (3D) part include determining a temperature profile at a plurality of layers of a part based on geometric characteristics of the 3D part as defined by a 3D part file, and adjusting a process parameter of the build based on the determined temperature.

Abstract: A vertical MOSFET has an N-type SiC drift layer connected to a drain electrode. An overlying Si layer creates an n-N heterojunction at the top of the SiC drift layer. A P-well layer and N+ source regions are formed in the Si layer. Trenched gates are formed in the Si layer that invert the P-well to create a conductive path between the Si source regions and the SiC drift region. JFET channel regions and gate regions are formed in the SiC layer for improving reliability of the MOSFET under reverse voltage conditions and under short circuit conditions. The SiC drift layer results in a higher breakdown voltage, lower on-resistance, and improved thermal conductivity, and the upper Si layer retains its higher channel mobility and stability and high gate drive efficiency.

Abstract: The present invention relates to a substrate-triggered single crystal superalloy directional solidification process, including: (1) preparing a single crystal substrate material having crystallographic characteristics that match crystallographic characteristics of the single crystal superalloy; (2) fabricating a single crystal substrate chilling plate using the obtained single crystal substrate material; and (3) applying the obtained single crystal substrate chilling plate in a directional solidification apparatus, and then preparing a single crystal alloy product by performing superalloy melting and directional solidification.

Abstract: An optimization method of shield tunnel starting end reinforcement solution, which specifically includes the following steps: acquiring shield tunnel engineering data and temperature variation curves of thermometer holes; constructing a numerical model with thermal convection and a hydro-thermal coupling numerical model respectively according to the shield tunnel engineering data, wherein a first temperature variation curve and a second temperature variation curve can be obtained after carrying out numerical simulations on the above two models; the influence of seepage on the development law of a temperature field can be obtained by comparing and analyzing the temperature variation curves of the thermometer holes with the first and the second temperature variation curves; and finally the existing freezing solution of the shield tunnel is optimized according to the influence of the seepage on the development law of the temperature field, to ensure safe use of the shield tunnel.