Abstract: A method and system for building a thermal model of a power lithium-ion battery based on an electrochemical mechanism. The method includes: discretizing a second order partial differential heat conduction equation of a power lithium-ion battery according to a finite differential method, thereby building a thermal model of the power lithium-ion battery; carrying out a dynamic working condition test by using a cylindrical power lithium-ion battery selected as an object, thereby acquiring experimental data such as a temperature, a current, a voltage, and a temperature of a surface of the battery; identifying an electrochemical parameter of the power lithium-ion battery according to an optimal parameter algorithm by using test data acquired in a dynamic working condition, thereby building a thermal model of the power lithium-ion battery; and verifying accuracy of the thermal model of the power lithium-ion battery by using test data acquired in another dynamic working condition.

Abstract: Systems and methods for determining an offset of a position of a focal point of an X-ray tube is provided. The methods may include obtaining at least one parameter associated with an X-ray tube during a scan of a subject. The methods may further include determining a target offset of a position of a focal point based on the at least one parameter and a target relationship between a plurality of reference parameters associated with the X-ray tube and a plurality of reference offsets of reference positions of the focal point. The methods may further include causing, based on the target offset, a correction on the position of the focal point of the X-ray tube.

Abstract: A PTRS processing method includes: receiving, by a terminal, first indication information and second indication information from a network device, where the first indication information is used to indicate a time-domain location at which a PTRS is to be sent by the terminal, and the second indication information is used to indicate an offset of an initial time-domain location to which the PTRS is mapped by the terminal; mapping, by the terminal, the PTRS to one or more DFT-s-OFDM symbols based on the first indication information and the second indication information; and sending, by the terminal, the one or more DFT-s-OFDM symbols. In this way, the PTRS mapped to the DFT-s-OFDM symbol is offset at a DFT-s-OFDM symbol level.

Abstract: Embodiments of the present disclosure provides methods and systems for preparing a cathode component. The method may include obtaining a three-dimensional (3D) model of the cathode component; obtaining a predetermined parameter, wherein the predetermined parameter includes at least one of a scanning direction of laser, an energy distribution of laser, an output power of laser, or a scanning speed of laser; and controlling a 3D printer to perform, based on the 3D model and the predetermined parameter, a laser scanning on a raw material to obtain the cathode component.

Abstract: Polymer composite materials and methods of preparation are discussed. The composite material may comprise a polyurethane foam and a plurality of inorganic particles dispersed in the polyurethane foam. The composite material may have moisture movement properties, such that (a) a sample of the composite material having a length of 48 inches has a moisture movement of less than 0.15% along the length, and/or (b) a sample having a length of 6 inches has a moisture movement of less than 0.8% along the length, when submerged in 45° C. distilled water for 14 days.

Abstract: A transfer model training method and apparatus, and a fault detection method and apparatus are provided, and relate to the field of artificial intelligence. The transfer model training method includes: obtaining to-be-processed data (301), where the to-be-processed data includes unlabeled data from a target domain and labeled data from a source domain; obtaining a plurality of data segments of each dimension of data in the to-be-processed data (302), where the plurality of data segments are not the same; and training a transfer model based on the plurality of data segments, to obtain a trained transfer model (303). According to the method, both an overall feature of the to-be-processed data and a local feature hidden between the data segments can be obtained. This can effectively improve accuracy of data processing.

Abstract: This application discloses a quasi co-located relationship management method and apparatus. In this application, a terminal side device and a network side device determine one or a plurality of measurement quantities for managing a quasi co-located relationship, and manage or use the quasi co-located relationship based on the determined one or plurality of measurement quantities. According to the solutions of this application, when there are the plurality of measurement quantities, both the terminal side device and the network side device manage or use the quasi co-located relationship based on the determined one or plurality of measurement quantities, so that behavior of the terminal side device and behavior of the network side device can be aligned. This improves communication reliability.

Abstract: The present disclosure provides an anti-tumor polypeptide Bax-BH3, a fluorescent polymeric nanomicelle, a preparation method and use thereof, belonging to the technical field of medicines. The anti-tumor polypeptide Bax-BH3 has an amino acid sequence set forth in SEQ ID No: 1; the fluorescent polymeric nanomicelle includes the anti-tumor polypeptide Bax-BH3 and a polymer carrier; and the polymer carrier is a block copolymer RGD-PHPMA-b-Poly(MMA-alt-(Rhob-MA)). In the present disclosure, the anti-tumor polypeptide Bax-BH3 has desirable biocompatibility and biological activity; and the fluorescent polymeric nanomicelle encapsulates the anti-tumor polypeptide Bax-BH3 by the block copolymer RGD-PHPMA-b-Poly(MMA-alt-(Rhob-MA)), with high encapsulation rate and drug loading, and good release performance.

Abstract: A medicine powder delivery device and a medicine bottle thereof and a bottle cap of the medicine bottle are disclosed. The medicine powder delivery device includes a medicine bottle and a gas supply member. The medicine bottle has a bottle body and a bottle cap. The bottle body is filled with a medicine powder. When the bottle body is inverted, the bottle body has an unfilled space that is not filled with the medicine powder. The bottle cap includes a cap body, a medicine delivery tube, and a gas delivery tube. The cap body covers the bottle body. The medicine delivery tube and the gas delivery tube extends into the cap body. The medicine delivery tube communicating with the bottle body the gas delivery tube inserted into the unfilled space of the bottle body. The gas supply member is connected to the gas delivery tube.

Abstract: A method for detecting a complexity of a traveling scenario of a vehicle includes obtaining a travelling speed of the vehicle and a travelling speed of a target vehicle, determining, based on the traveling speed of the vehicle and the traveling speed of the target vehicle, a dynamic complexity of a traveling scenario in which the vehicle is located, determining static information of each static factor in the traveling scenario in which the vehicle is currently located, obtaining, based on the static information of each static factor, a static complexity of the traveling scenario in which the vehicle is located, and obtaining, based on the dynamic complexity and the static complexity, a comprehensive complexity of the traveling scenario in which the vehicle is located.

Abstract: An aspect of the disclosure pertains to a blood pressure measurement device and methods of controlling an inflation rate in a blood pressure measurement. An inflatable bladder of the blood pressure measurement device defines, at least in part, a pressurizable volume. The inflatable bladder may be inflated to pressurize a user's appendage and temporarily occlude blood flow in the user's appendage. A pressure sensor of the blood pressure measurement device is configured to obtain blood pressure measurements, and a pump of the blood pressure measurement device is configured to inflate the inflatable bladder and control an inflation rate by controlling at least one of a duty cycle, a voltage, or a drive frequency.

Abstract: An aspect of the disclosure pertains to detecting a position of a blood pressure measurement device. An inflatable bladder of the blood pressure measurement device defines, at least in part, a pressurizable volume. The inflatable bladder may be inflated to pressurize a user's appendage and temporarily occlude blood flow in the user's appendage. A pump may initiate inflation of the inflatable bladder when one or more accelerometers and/or one or more proximity sensors determine that the blood pressure measurement device is within sufficient proximity or elevation to a user's heart and stationary.

Abstract: A bicycle information prompting method, a device, a server, and a user terminal are disclosed. The method comprises obtaining current power information of a target bicycle and sending the target bicycle to a user terminal associated with the target bicycle according to the current power information, so that the user terminal displays prompt information associated with the target bicycle.

Abstract: An ultrasound-assisted simulated digestion method of a milk protein active peptide and an application thereof in health foods, pertaining to the technical field of intensive processing of dairy products and preparation of health foods. The method firstly employs ultrasonic pretreatment of casein and ?-lactoglobulin, followed by enzymatic hydrolysis with a protease to prepare casein and ?-lactoglobulin polypeptide, and traces the activity of the polypeptide by simulating gastrointestinal digestion, and then simulates absorption by intestinal epithelial cells with Caco-2 cells, to characterize a highly active milk protein polypeptide digested by the gastrointestinal tract and absorbed by the Caco-2 cells simulating absorption by the inner wall of the small intestine. The method has identified five such highly active milk protein polypeptides.

Abstract: The present disclosure provides a method and apparatus for reference signal configuration. The method includes: determining a time domain density of a phase tracking reference signal (PTRS) according to a first modulation and coding scheme (MCS) and correspondence information between MCSs and PTRS time domain densities; determining a frequency domain density of the PTRS according to a first scheduled bandwidth and correspondence information between scheduled bandwidths and PTRS frequency domain densities; and mapping the PTRS to one or more resource elements (REs) according to the time domain density of the PTRS and the frequency domain density of the PTRS when certain conditions are met.

Abstract: Polymer composite materials and methods of preparation are discussed. The composite material may comprise a polyurethane foam and a plurality of inorganic particles dispersed in the polyurethane foam. The composite material may have moisture movement properties, such that (a) a sample of the composite material having a length of 48 inches has a moisture movement of less than 0.15% along the length, and/or (b) a sample having a length of 6 inches has a moisture movement of less than 0.8% along the length, when submerged in 45° C. distilled water for 14 days.

Abstract: This application discloses a data reporting method, a data receiving method, and a related apparatus. In this application, a terminal device reports, to a network device, one group of information used to indicate scheduling bandwidth thresholds and/or scheduling MCS thresholds. Compared with directly reporting thresholds, in this application, fewer bits can be occupied, thereby reducing overheads.

Abstract: This application provides antenna panel training methods and apparatuses. One method includes: determining, by a network device, configuration information that comprises information about a reference signal resource set for training an antenna panel of a terminal device; and sending, by the network device, the configuration information to the terminal device.

Abstract: The present disclosure provides a downlink data transmission method, including: using a time-division multiplexing transmission mode in one transmission time interval; sending, by using a wide beam, a control signal to a user served in the current transmission time interval; and grouping users and sending data signals to different user groups by using different narrow beams. In one transmission time interval, time-division multiplexing is used, and a wide beam and a narrow beam are respectively used to transmit a control signal and a data signal. This can avoid a throughput bottleneck resulting from use of a transmission scheme that is based on frequency-division multiplexing only.

Abstract: Embodiments of this application disclose beam training methods, apparatuses, and systems. One method includes: receiving, from a network device, interference-related information; receiving, from the network device, a downlink signal sent through two or more beams, wherein the two or more beams comprise an interfering beam that causes interference to a terminal device; and transmitting, to the network device, information related to a beam selected from the two or more beams, wherein the beam is selected by the terminal device based on the interference-related information and a measurement result obtained from measuring the downlink signal.