Abstract: The present disclosure relates to the technical field of air vehicles, and in particular, an air vehicle with a double-layer rotor wing structure, including a cabin in which a power device is arranged, the power device includes a drive assembly, a crankwheel, and a connecting link; the connecting link is fixed on the crankwheel; the drive assembly drives the crankwheel to rotate; the top of the cabin is provided with a flying device that includes a first flying unit and a second flying unit; the first flying unit includes a sleeve, a rotating bearing II, and lower-layer rotor wings symmetrically fixed on two sides of the rotating bearing II; the rotating bearing II is fixed to the sleeve which is fixed to the cabin; the second flying unit includes a transmission rod, a rotating bearing I, and upper-layer rotor wings symmetrically fixed on two sides of the rotating bearing I.

Abstract: The present invention belongs to the technical field of preparing isocyanate derivatives, and particularly relates to a storage-stable polyisocyanate composition and a preparation method therefor. The method comprises: in the presence of a catalyst system, subjecting an isocyanate monomer to a polymerization reaction; terminating the reaction after a suitable conversion rate is reached, so as to obtain a polyisocyanate reaction solution; and then performing heat treatment on the obtained polyisocyanate reaction solution to obtain a heat-treated polyisocyanate mixture, wherein the heat treatment temperature is 10-30° C. higher than the heat-sensitive temperature of the obtained polyisocyanate product, and the heat treatment time is 5-30 min; and then performing separation treatment on the heat-treated polyisocyanate mixture. When the polyisocyanate composition of the present invention is stored at 50° C.

Abstract: Embodiments described herein provide techniques of forming an interconnect structure using lithographic and deposition processes. The interconnect structure can be used to couple components of a semiconductor package. For one example, a semiconductor package includes a die stack and an interconnect structure formed on the die stack. The die stack comprises a plurality of dies. Each die in the die stack comprises: a first surface; a second surface opposite the first surface; sidewall surfaces coupling the first surface to the second surface; and a pad on the first surface. A one sidewall surface of one of the dies has a sloped profile. The semiconductor package also includes an interconnect structure positioned on the first surfaces and the sidewall with the sloped profile. In this semiconductor package, the interconnect structure electrically couples the pad on each of the dies to each other.

Abstract: The embodiment of the present application relates to the technical field of communication and discloses an application request processing method, including: forming an overall service rule in response that two or more different application requests exist for a user on a service, wherein the overall service rule comprises a service rule of each application request. The embodiment of the present application also discloses an application request processing system, electronic device and storage medium. The embodiment of the present application provides an application request processing method, system, electronic device and storage medium that enable multiple application requests for the user on the service to be responded.

Abstract: A media access control (MAC) address allocation method and device are disclosed. The method includes: a wireless access point device sending a notification message on a wireless medium. The notification message includes at least one candidate virtual MAC address. The wireless access point device receiving, on the wireless medium, a request message from a terminal device. A source address of the request message is a first virtual MAC address. The first virtual MAC address is one of the at least one candidate virtual MAC address.

Abstract: Disclosed are a blockchain-based transaction processing method, a client, a processing terminal and system. The method includes: entering a live broadcast interface according to a trigger operation acting on a live broadcast link, and acquiring a user identity; acquiring order information associated with the user identity based on the live broadcast interface; determining multimedia data associated with the order information; and sending the order information and the multimedia data to each node of the blockchain network for recording.

Abstract: Power supply noise reduction methods and low drop out (LDO) voltage regulators with capacitively coupled supply noise-reducing components are disclosed. One illustrative voltage regulator includes: a pass transistor having an n-type conduction channel that couples a supply voltage to an output node; an operational amplifier that derives a control signal for the pass transistor from a difference between a reference voltage and a scaled or unscaled voltage of the output node, the control signal being supplied to a gate or base of the pass transistor; a buffer that derives a ripple cancellation signal from the supply voltage; and a coupling capacitor that couples the buffer to the base or gate of the pass transistor to impose the ripple cancellation signal on the control signal.

Abstract: This application discloses a video frame playing method performed by a computer device. According to an embodiment of this application, the computer device transmits network delay information to a cloud game server. The cloud game server then generates a plurality of first video frames based on the network delay information for rendering a target virtual scene at the computer device. After acquiring the plurality of first video frames, the computer device adjusts a resolution of the first video frames to obtain corresponding second video frames when resolutions of the plurality of first video frames meet resolution adjustment conditions, resolutions of the second video frames being higher than those of corresponding first video frames. Finally, the computer device plays a plurality of the second video frames.

Abstract: A technique is described herein for temporally and spatially interpolating input video information, to produce output video information having a higher frame rate and a higher resolution compared to that exhibited by the input video information. The technique generates feature information based on plural frames of the input video information. The technique then produces the output video information based on the feature information using an architecture having, in order, a multi-stage encoding operation, a query-generating operation, and a multi-stage decoding operation. Each encoding stage produces an instance of encoder attention information that expresses identified relations across the plural frames of the input video information. Each decoding stage operates on an instance of encoder attention information produced by a corresponding encoding stage. The transformer architecture is compact and is capable of interpolating the input video information in real time.

Abstract: Described is a method of setting up a direct connection between edge sites on a 5G communications network. The method comprises: configuring 5G network functions (NFs) in the 5G communications network; configuring 5G NFs at the edge sites, if not already configured; and based on said configured NFs, setting up a direct tunnel between the edge sites according to a pre-defined tunnel policy.

Abstract: A system and method for unsupervised superpixel-driven instance segmentation of a remote sensing image are provided. The remote sensing image is divided into one or more image patches. The one or more image patches are processed to generate one or more superpixel aggregation patches based on a graph-based aggregation model, respectively. The graph-based aggregation model is configured to learn at least one of a spatial affinity or a feature affinity of a plurality of superpixels from each image patch and aggregate the plurality of superpixels based on the at least one of the spatial affinity or the feature affinity of the plurality of superpixels. The one or more superpixel aggregation patches are combined into an instance segmentation image.

Abstract: The present disclosure relates to the field of air conditioning technology. In particular, it involves an air control method for air handler unit.

Abstract: Certain embodiments are directed to modified or variant Cas9 proteins, and/or methods of using the same.

Abstract: A method, applied to an apparatus for mammographic multi-view mass identification, includes receiving a main image, a first auxiliary image, and a second auxiliary image. The main image and the first auxiliary image are images of a breast of a person, and the second auxiliary image is an image of another breast of the person. The method further includes detecting the nipple location based on the main image and the first auxiliary image; generating a first probability map of the main image based on the main image, the first auxiliary image, and the nipple location; generating a second probability map of the main image based on the main image, the second auxiliary image, and the nipple location; and generating and outputting a fused probability map based on the first probability map and the second probability map.

Abstract: Aspects of the present disclosure provide techniques for efficiently utilizing physical computing resources for non-convex function approximation. Embodiments include determining a model formulation for determining a target value based on one or more constraints, wherein the model formulation comprises a non-convex function. Embodiments include converting the model formulation into a mixed integer programming (MIP) model, wherein the converting involves determining, based on the non-convex function, a first convex function and a second convex function. Embodiments include solving the MIP model, including computing a first piecewise linear approximation of the first convex function, computing a second piecewise linear approximation of the second convex function, and determining a difference between the first piecewise linear approximation and the second piecewise linear approximation to produce an approximated result of the non-convex function.

Abstract: Certain aspects of the present disclosure provide techniques for training predictive risk models based on user transaction history. An example method generally includes extracting, from a transaction history data set for a plurality of users of a software application, a plurality of features for each user of the plurality of users having records in the transaction history data set. A training data set is generated based on the extracted plurality of features for each user of the plurality of users. A plurality of predictive risk models is trained to generate a risk propensity score indicating a likelihood that a specified event will occur based on the training data set. Generally, monotonicity of one or more constraints is implemented in the model.

Abstract: The electrified vehicle includes a vehicle body, a plurality of wheels configured to support the vehicle body, a power unit attached to the vehicle body and configured to drive at least one of the plurality of wheels, and a high-voltage cable arranged in a vertical direction behind the power unit. The vehicle body is configured to support a lower portion of the power unit, and the upper portion of the power unit is configured to be connected to or engaged with the vehicle body via a bracket at least in a vehicle front-rear direction.

Abstract: An image processing method is provided. In the method, a target video frame set is acquired from video data of a plurality of video frames. The target video frame set includes a subset of the video frames that is selected based on characteristics of the subset of the video frames. A global color feature of a reference video frame is acquired. An image semantic feature of the reference video frame is acquired. An enhancement parameter of the reference video frame is acquired for each of at least one image information dimension according to the global color feature and the image semantic feature. Image enhancement is separately performed on the video frames in the target video frame set according to each enhancement parameter of the reference video frame to obtain target image data for each of the video frames in the target video frame set.

Abstract: A method for the preparation of a composite article containing aerogel particles and ceramic fibers, as well as to a composite article obtained by this method, are described.