Abstract: A scanning probe microscope in which an objective lens used to radiate exciting light and collect Raman scattering light can be disposed more near a sample and a tip is provided. The scanning probe microscope includes: a sample holder configured to hold a sample; a tip disposed near the sample; an exciting light source configured to output exciting light; an objective lens configured to condense the exciting light and radiating the exciting light to the tip; a light reception unit configured to detect scattering light generated from the sample through the radiation of the exciting light; and an incident position adjustment unit configured to cause the exciting light to be incident on a position deviating from an optical axis of the objective lens.

Abstract: Systems and methods include generating synthetic videos based on a custom motion. A video generation system obtains a text prompt including an object and a custom motion token. The custom motion token represents a custom motion. The system encodes the text prompt to obtain a text embedding. Subsequently, a video generation model generates a synthetic video depicting the object performing the custom motion based on the text embedding using a video generation model.

Abstract: An imaging device is provided. The imaging device includes: one or more imaging sources; and a plurality of detectors combined by joining, the plurality of detectors being configured to receive one or more imaging beams emitted by the one or more imaging sources.

Abstract: The present invention discloses a polyester, a preparation method therefor and use thereof. The polyester includes repeating units derived from the following components: a first component A, based on the total molar weight of the first component A, including: a1) 81-100 mol % of succinic acid, or an ester derivative thereof or an anhydride derivative thereof, and a2) 0-19 mol % of a dicarboxylic acid other than succinic acid, or an ester derivative thereof or an anhydride derivative thereof; a second component B: 1,4-butanediol; and a third component C: a dimer(1,4-butanediol); based on the total molar weight of the first component A, the molar content of the repeating unit —CH2CH2CH2CH2—O— in the third component C is 0.05-3.0 mol %. In the present invention, the molar content of the repeating unit —CH2CH2CH2CH2—O— in dimer(1,4-butanediol) is controlled to 0.05-3.0 mol %, and thus, the resin color of the polyester can be effectively improved.

Abstract: Disclosed is a semiconductor laser, from bottom to top, comprising: a substrate, a lower limiting layer, a lower waveguide layer, an active layer, an upper waveguide layer, and an upper limiting layer. The lower limiting layer is composed of at least one of AllnGaN, AllnN, AlGaN, InN, AlN, InGaN, and GaN. A thickness of the lower limiting layer is denoted as x, and 10 angstroms?x?90,000 angstroms. The lower limiting layer includes a first lower limiting layer, a second lower limiting layer, and a third lower limiting layer. The lower limiting layer forms an electron saving structure and a stress regulating structure to regulate a carrier distribution and a stress distribution of the active layer, thereby reducing a threshold current and improving a slope efficiency of the laser.

Abstract: Embodiments of the disclosure provide a solution for video processing. A method for video processing is proposed. The method includes: determining, during a conversion between a target block of a video and a bitstream of the target block, that a combination of an intra block copy (IBC) and an intra prediction (CIBCIP) mode is applied to the target block; obtaining an IBC predicted signal and an intra predicted signal based on the CIBCIP mode; deriving a prediction or a reconstruction of the target block by combining the IBC predicted signal and the intra predicted signal; and performing the conversion based on the prediction or the reconstruction of the target block.

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may indicate support of an extended cyclic prefix (ECP), where a duration of the ECP or transmitting the ECP is based on the indication. In some cases, the UE may receive an uplink grant to transmit an uplink message with an indication of the ECP, and the UE may transmit the ECP and uplink message according to a timeline based in part on the ECP. Additionally or alternatively, an uplink channel allocation indicated in the uplink grant may include a starting point for the ECP, where the UE transmits the ECP at the starting point. In some cases, the UE may multiplex uplink control information (UCI) in the uplink channel based on a timeline that is based in part on the ECP.

Abstract: Systems and methods for removing electromagnetic interference (EMI) from magnetic resonance (MR) images are disclosed. The techniques described herein include receiving first signal data for an MR scan captured using a first coil of an MR system and second signal data captured using a second coil of the MR system. The techniques include generating a filter based at least on the first signal data and the second signal data. The techniques include generating filtered signal data using the filter, the first signal data, and the second signal data.

Abstract: This invention provides a structure for applying on a steam cleaner to control the amount of steam through PWM, including: a casing, one side of which is fixedly installed with a power line, the output end of which is electrically connected to a power switch, the output end of which is electrically connected to a control board, and the output end of which is electrically connected to a pump, steam generator, and display screen; a water tank, which is fixedly installed at the bottom of the inner side of the casing.

Abstract: An instruction to disable a first cryptographic key of a computing device is received by a processor of the device. The first cryptographic key is embedded in the device during manufacturing to facilitate a boot sequence of the device. The instruction is signed using a cryptographic signature. The first cryptographic key is associated with a first priority indicator. The cryptographic signature is verified using a second cryptographic key embedded in the device during manufacturing. The second cryptographic key is associated with a second priority indicator. The first priority indicator is compared with the second priority indicator. Responsive to determining that the second priority indicator supersedes the first priority indicator, the first cryptographic key is disabled.

Abstract: The present application discloses a method and a device in a node for wireless communications. A first node receives a first signaling, the first signaling being used to configure a first RS resource, a first signal and a second signal, the first signal being associated with a first device identification (ID); and receives the second signal, the second signal being associated with a second device ID; the first signaling is identified by the second device ID, the first RS resource is spatially correlated to the first signal, and whether receiving the second signal includes detecting the first signal depends on a spatial correlation between the second signal and the first RS resource. The present application optimizes the anti-interference capability of the terminal in interference scenarios, which in turn improves the overall reception performance.

Abstract: A method for reference frame selection, an apparatus for reference frame selection, an electronic device and a storage medium are provided, which relates to the field of data processing technology, in particular to the fields of video coding technology and unsupervised learning technology. The method includes: acquiring a current frame to be processed and determining attribute information of the current frame; selecting candidate reference frames from a reference frame set according to the attribute information; clustering the selected candidate reference frames to obtain at least one cluster; and selecting one candidate reference frame from each of the at least one cluster and adding the one selected candidate reference frame from each of the at least one cluster to a reference frame list associated with the current frame. The technical solution herein provided can improve the accuracy of reference frame selection.

Abstract: Provided in the present invention are a reactive composite light stabilizer and the use thereof, and a light-stable modified polymer material. The reactive composite light stabilizer comprises a reactive ultraviolet light absorber and a reactive hindered amine light stabilizer, the reactive ultraviolet light absorber being a reactive triazine ultraviolet light absorber. The reactive triazine ultraviolet light absorber and the reactive hindered amine light stabilizer are combined to achieve a higher absorptivity, a better combining effect, a lower volatility and a higher light-degradation resistance stability, and, both being reactive components, they can exist in the form of chemical bonding in a polymer material, thus having a better long-effective property.

Abstract: A method for sidelink communication and a communications device are provided. The method for sidelink communication includes: determining, by a first device, a first CAPC value for sidelink communication, where the first CAPC value is associated with a PQI. The communications device includes a memory and a processor, where the memory is configured to store a program, and the processor is configured to invoke the program in the memory and run the computer program, to cause the method for sidelink communication to be implemented.

Abstract: A touch layer group includes first and second touch electrodes, first and second touch lines and a shielding line. The first touch lines are electrically connected to the first touch electrodes, respectively. The second touch lines are electrically connected to the second touch electrodes, respectively. The first and second touch lines each extend to a peripheral region. The shielding line is located in the peripheral region and located between a first touch line and a second touch line that are adjacent to each other. The shielding line includes at least one first line segment and at least one second line segment. Each second line segment includes shielding sub-lines; shielding sub-lines of a second line segment are electrically connected to a first line segment, and a width of a region where the shielding sub-lines of the second line segment are located is greater than a width of the first line segment.

Abstract: A method for training a contrastive learning model, acquiring an optimization item, and pushing information includes: obtaining sample data including first category information and query information; predicting a correlation between the first category information and the query information using the contrastive learning model; establishing a loss function based on the prediction results, wherein the loss function is configured to characterize accuracy of the prediction results; optimizing the loss function based on a semantic relationship between the first category information and second category information, wherein the first category information and the second category information correspond to different semantic information in a category tree, and the semantic relationship is related to relative positions of the first category information and the second category information within the category tree; and training the contrastive learning model based on the optimized loss function.

Abstract: Methods, systems, and devices for wireless communications are described. A network entity, such as a base station, may receive, from a first network entity, a broadcast indicating a downlink control channel transmission pattern associated with the first network entity. The network entity may monitor a plurality of receive beams for a plurality of downlink control channel transmissions from the first network entity according to the downlink control channel transmission pattern and may select a communication beam according to one or more cross-link interference (CLI) measurements associated with one or more of the plurality of receive beams in accordance with the monitoring. The network entity may communicate with a user equipment using the selected communication beam and a first set of resources that at least partially overlap in time and frequency with a scheduled communication at the first network entity. The network entity may experience or may cause the measured CLI.

Abstract: A data transmission optimization method, performed by a first application layer transmission optimization (ALTO) client, includes: obtaining, from a core network device, network transmission information of an access network exposed by an access network device to the core network device; obtaining ALTO information provided by an ALTO server; and performing data transmission optimization of the first ALTO client based on the ALTO information and the network transmission information of the access network.

Abstract: A display substrate and a display device. The display substrate comprises a base substrate and at least two first electrodes provided on one side of the base substrate and spaced apart; a pixel film layer is provided on the sides of the first electrodes away from the base substrate; a interval region is formed between the adjacent first electrodes; an isolation groove is formed on the side of the interval region away from the base substrate; the isolation groove electrically cuts off the pixel film layer on the adjacent first electrodes.

Abstract: The present application relates to a model for training a high-simulation colonoscopy, and relates to the field of a medical training model. The model includes a colon model and a polypus model detachably mounted on the colon model. The colon model is opened and provided with polypus replacing points for mounting the polypus model. The polypus replacing points are provided on different intestinal segments of the colon model. The polypus replacing points are provided at a plurality of different positions in a circumferential direction of the colon model. This application has the effect of simulating a variety of polypus lesion training scenarios, which contributes to the efficient conduct of colonoscopy training.