Abstract: A reminder method includes: displaying a group session interface of the group session, the group session being a group session in which a group member is allowed to use a group tool, the group tool being a program function that supports use by at least two group members together; displaying a group tool message on the group session interface, the group tool message including an entry link of the group tool; displaying, in response to that the group tool message is a message with a group attribute, a reminder control corresponding to the group tool in the group session interface, the reminder control being used as a reminder of an item in the group tool. The present disclosure provides a human-computer interaction solution for effectively transmitting the group tool message to the group member.

Abstract: Imaging systems, cameras, and image sensors of this disclosure include imaging pixels that include subpixels. Diffractive optical elements such as a metasurface lens layers or a liquid crystal polarization hologram (LCPH) are configured to focus image light to the subpixels of the imaging pixels.

Abstract: Various disclosed embodiments are directed to resizing, via down-sampling and up-sampling, a high-resolution input image in order to meet machine learning model low-resolution processing requirements, while also producing a high-resolution output image for image inpainting via a machine learning model. Some embodiments use a refinement model to refine the low-resolution inpainting result from the machine learning model such that there will be clear content with high resolution both inside and outside of the mask region in the output. Some embodiments employ new model architecture for the machine learning model that produces the inpainting result—an advanced Cascaded Modulated Generative Adversarial Network (CM-GAN) that includes Fast Fourier Convolution (FCC) layers at the skip connections between the encoder and decoder.

Abstract: A head-mounted display apparatus includes a display, a strap and a head-turning assisting device; two ends of the strap are fixedly connected to the display; the head-turning assisting device is positioned in the strap; when the head-mounted display apparatus is worn on the head of the human body, the display is positioned in the position of the eyes of the human body, and the strap is wrapped around the head of the human body; the display includes a master controller and a display module, the master controller is electrically connected to both the head-turning assisting device and the display module. The master controller is configured to acquire a display image from the display module, and to control the head-turning assisting device to assist the head of the human body to turn according to the display image.

Abstract: A microspheric ionomer having a cross-linked structure, a preparation method therefor, applications thereof, and a preparation system thereof. The ionomer comprises structure units A represented by formula (1), structure units B represented by formula (2), and a cross-linking structure provided by a cross-linking agent, M being separately selected from H, a metal cation, and a straight chain, a saturated alkyl of branched or ring-shaped C1-C20, R being H or a methyl; and metal cations are introduced to part of structure units A in the ionomer. The ionomer shows an outstanding effect on nucleation of PET, serves as a nucleating agent for PET modification, so as to obtain a corresponding PET composition.

Abstract: A method for differentiable architecture search based on a hierarchical grouping mechanism includes: obtaining a target dataset; selecting a set number of normal cells and two reduction cells; enabling the reduction cells to be located at ? and ? of all cells, respectively, and then concatenating all cells to form an initial search network; training the initial search network to optimize a cost function to complete a one-level search or a two-level search, wherein in the one-level search, control weight parameters are shared by the inter-group operations and are shared by the intra-group operations among the cells; and in the two-level search, the control weight parameters are shared by the inter-group operations and are not shared by the intra-group operations, obtaining normal cells and reduction cells based on the one-level search or the two-level search; and constructing a target network using the normal cells and the reduction cells.

Abstract: A method and device for issuing an identity certificate to a blockchain node in a blockchain network includes issuing a first identity certificate to a first terminal. a second identity certificate issuance request that is from the first terminal and that is made by using the first identity certificate is received and a second identity certificate is issued to the first terminal, which forwards the second identity certificate to a second terminal. A third identity certificate issuance request that is from the second terminal and that is made by using the second identity certificate is received and a third identity certificate is issued to the second terminal, which forwards the third identity certificate to a third terminal.

Abstract: An electronic equipment accessory includes an accessory body and a holder assembly connected to the accessory body. The holder assembly includes a support member and a base. The base is rotatably connected to the accessory body. The support member is rotatable relative to the base between an extended position and a folded position. At the extended position, an included angle is formed between the support member and the base to thereby allow the accessory body to be supported on a support surface. The support member is rotatable relative to the base in one direction and the base is rotatable relative to the accessory body in another direction, thus the support member of the electronic equipment accessory can be adjusted with respect to the accessory body in multiple directions to thereby allow the electronic equipment accessory to support electronic equipment on a support surface at multiple different directions or tilted angles.

Abstract: Disclosed herein are diamino lipid (dal) compounds and pharmaceutical compositions including mRNA encoding an immunotherapeutic agent and methods of making and use thereof. Also disclosed herein are diamino lipid (DAL) nanoparticles. These nanoparticles can encapsulate a nucleic acid, such as an mRNA, for example. This mRNA can encode a cytokine, such as IL-12, IL-27 and GM-CSF. Also disclosed are methods of treating a subject in need thereof, such as a subject with cancer.

Abstract: The present invention relates to an SOS1 inhibitor with a pyrido-fused-six-membered ring structure, a preparation method therefor, and use thereof. The SOS1 inhibitor has the structural formula shown in formula (I) and an inhibitory activity on SOS1, and can be used to treat head and neck cancer, lung cancer, a mediastinal tumor, a gastrointestinal tumor, prostate cancer, testicular cancer, a gynecological tumor, breast cancer, renal and bladder cancer, an endocrine tumor, soft tissue sarcoma, osteosarcoma, rhabdomyosarcoma, mesothelioma, skin cancer, a peripheral nerve tumor, a central nervous system tumor, lymphoma, leukemia, Noonan syndrome, cardio-facio-cutaneous syndrome, and hereditary gingival fibromatosis and a related syndrome thereof.

Abstract: The present application discloses a method and a device for user grouping and resource allocation in a NOMA-MEC system. The hybrid deep reinforcement learning algorithm proposed in the present application solves the hybrid problem of deep reinforcement learning that is difficult to deal with both discrete and continuous action spaces by using DDPG to optimize continuous actions and DQN to optimize discrete actions. Specifically, the algorithm determines a bandwidth allocation, an offloading decision, and a sub-channel allocation (user grouping) of the user device based on the user's channel state, in order to maximize the ratio of the computation rate to the consumed power of the system. The algorithm is well adapted to the dynamic characteristics of the environment and effectively improves the energy efficiency and spectrum resource utilization of the system.

Abstract: The present disclosure provides a method for preparing a catalyst for pyrolysis of waste plastics to produce oil, comprising: washing and modifying coal gangue powder with acid, and then placing in an alkaline solution, etching under magnetic stirring for 20-30 minutes, and washing with water until neutral; placing the catalyst washed until neutral in a metal solution, loading the metal by impregnation, and then filtering and washing; then placing the catalyst in the molding machine and adding adhesive and water, to compress into a suitable shape, drying, and finally calcinating to activate to obtain a product. The present disclosure not only solves the problem of waste plastic pollution, but also obtains fuel oil with high valuable products while reducing the cost of waste plastic treatment, and also improves the yield of fuel oil.

Abstract: A method for patterning a stack having a mask with a plurality of mask features is provided. A targeted deposition is provided, wherein the targeted deposition comprises a plurality of cycles, wherein each cycle comprises flowing a precursor to deposit a layer of precursor and targeted curing the layer of precursor, comprising flowing a curing gas, flowing a modification gas, forming a plasma from the curing gas and modification gas, and exposing the layer of precursor to the plasma providing a targeted curing, wherein plasma from the curing gas cures first portions of the layer of precursor and plasma from the modification gas modifies second portions of the layer of precursor, wherein the modification of the second portion reduces curing of the layer of precursor of the second portions of the layer of precursor. The stack is etched through the targeted deposition.

Abstract: A semiconductor device, such as a fin field-effect transistor (FinFET), that can provide advantages in terms of electrostatic discharge protection. The semiconductor device includes a fin with an undoped region, a first doped region, a second doped region, and a third doped region positioned between the first doped region and the second doped region. The semiconductor device further includes a gate disposed on the undoped region of the fin, a silicide layer disposed on the third doped region, and an interconnect disposed on the silicide layer to form a drain.

Abstract: An area-efficient LDMOS FinFET is provided. An apparatus includes a substrate having a first doping, the substrate comprising a first well having a second doping, and a second well having a third doping, and a fin disposed on the substrate. The fin is positioned over the first well and extends, at least in part, over the second well. The fin includes a first doped region disposed on the first well and having a doping lighter than the second doping, and a second doped region disposed on the first well having the third doping.

Abstract: A gate all-around laterally diffused metal-oxide semiconductor device is provided. An apparatus includes a substrate, two or more first sheets disposed on the substrate, a gate disposed on the substrate and at least part of the two or more first sheets, and a first epitaxial layer disposed on the substrate on a first side of the gate and at least part of the two or more first sheets. At least part of the two or first more sheets extends longitudinally from the gate to the first epitaxial layer.

Abstract: Novel semiconductors and fabrication techniques are provided. In various embodiments, a semiconductor includes a source, a drain, a first gate, a second gate, and a channel. The second gate is electrically coupled to the first gate. The first gate and the second gate are configured to control current between the source and the drain. The channel is in contact with the first gate and the second gate. The channel is configured such that the current flows through the channel. Other aspects, embodiments, and features are also claimed and described.

Abstract: Imaging signals are generated in response to image light. Event signals are generated in response to receive the imaging signals from imaging pixels. A Region of Interest (ROI) of the imaging pixels is identified from a spatial concentration of event signals in the ROI of imaging pixels within a time period. An ROI portion of the imaging pixels in the ROI are driven to capture an ROI image frame.

Abstract: The present application provides a player, a playing system, and a playing method. The player includes a main body, a control assembly, and an audio component, where the main body includes a light-transmitting element, a display screen with a reflection effect, and a display space, the display space being arranged between the display screen and the light-transmitting element. An object distance between the light-transmitting element and the display screen forms a front depth of field of an image, such that a viewer is given an impression that the image is displayed in a stereoscopic space; and the reflection of the display screen can effectively enhance the impression of the viewer that the stereoscopic image displayed by the display screen is stereoscopically displayed in the display space.

Abstract: The present disclosure provides a semiconductor device based on a dielectric material containing a metal interstitial impurity, including: a substrate, a dielectric material layer, and a functional layer. A material for preparing the dielectric material layer is a compound containing the metal interstitial impurity. The dielectric material layer and/or the functional layer is configured to subject to at least one of electricity, heat, light or magnetism, such that the dielectric material layer reaches a crystallization temperature to transit from a first state to a second state.