Abstract: Polyurethane foam compositions having reduced odor and methods for producing the same are provided. The polyurethane foam compositions can include (a) a polyfunctional isocyanate; (b) an isocyanate reactive composition; and (c) an amine catalyst.

Abstract: A display substrate and a display device relate to the technical field of displaying. The display substrate includes a plurality of display units spaced apart from each other and a plurality of connection units, the plurality of connection units being connected between two adjacent display units; the plurality of connection units include: two connection units arranged along a first direction, wherein the first direction is parallel to a stretching direction of the display substrate; wherein the two connection units arranged along the first direction are axisymmetric with respect to a first reference line, so that the plurality of connection units arranged along a second direction have a same deformation amount in a stretching state, the second direction is perpendicular to the stretching direction, and an extension direction of the first reference line is parallel to the second direction.

Abstract: This application provides a method and an electronic device. The method for waking up a device includes: when it is determined that a received audio signal includes a wakeup word, performing machine sound recognition and/or voiceprint recognition on the audio signal to obtain a recognition result, where the recognition result indicates to wake up an electronic device or not to wake up an electronic device, or indicates that whether to wake up an electronic device is not determined; and if the recognition result indicates that whether to wake up the electronic device is not determined, outputting prompt information to a user, where the prompt information is used to guide the user to wake up the electronic device. When whether to wake up the electronic device is not determined, the prompt information is output to the user for human-computer interaction with the user.

Abstract: Disclosed are a data processing method, apparatus, a network device and a storage medium. The method is applied to a network device in a WAN, wherein the network device is located on a specified path from a gateway of a first data center to a gateway of a second data center. The method comprises: storing the acquired first packet of a target service type in a first scheduling queue corresponding to a deterministic flow to which the first packet belongs, wherein the source address of the first packet is the address of the first host in the first data center, the destination address of the first packet is the address of the second host in the second data center, and the forwarding path of the deterministic flow to which the first packet belongs is the specified path; forwarding the packet in the first scheduling queue when the scheduling period of the first scheduling queue is reached.

Abstract: Engineered or non-naturally occurring systems and compositions comprising novel Type V Cas polypeptides and orthologs thereof are disclosed herein. Also provided are methods of use for the novel Type V Cas polypeptide systems and compositions for reprogrammable targeting of nucleic acid and polynucleotide components.

Abstract: A method and system for extracting a target signal based on maximum correlated kurtosis deconvolution are provided, which relate to a field of signal processing. The method includes: obtaining a microwave signal of a brain of a subject to be tested; filtering the microwave signal by using maximum correlated kurtosis deconvolution to obtain a filtered signal; performing mode decomposition on the filtered signal by using a complete ensemble empirical mode decomposition with adaptive noise to obtain a target response signal; and performing image reconstruction on the target response signal by using a delay sum beamforming to obtain a target bleeding image.

Abstract: A powertrain system includes a conversion device, a first motor, a second motor, and an engine. At least one of the first motor and the engine is configured to selectively output power to a first traveling end by means of the conversion device; the engine is configured to selectively output the power to the first motor by means of the conversion device, to drive the first motor to generate electricity; and the second motor is in driving connection with the engine, so that the powertrain system has a first simultaneous driving and electricity-generating mode. In the first simultaneous driving and electricity-generating mode, the first motor outputs the power to the first traveling end by means of the conversion device; and the second motor, driven by the engine, generates electricity.

Abstract: Disclosed is an efficiency analysis method for an intelligent interaction system, including: obtaining user information and behavior data generated during execution of user commands, and associating the user information with the behavior data to obtain associated data; preprocessing the associated data, selecting efficiency indicators for the intelligent interaction system based on standard indicators, and classifying the preprocessed associated data according to the efficiency indicators to obtain classified data; formulating efficiency scoring criteria based on expert opinions, and obtaining efficiency scores of the classified data by using the efficiency scoring criteria; and determining weights of the efficiency scores by using an objective weight assignment method, and evaluating the efficiency scores through fuzzy comprehensive evaluation based on the weights to obtain comprehensive scores.

Abstract: A loudspeaker module and an electronic apparatus are disclosed, the loudspeaker module comprises a housing, a loudspeaker unit and a barrier rib body; the loudspeaker unit is provided in an inner cavity of the housing and divides the inner cavity of the housing into a front acoustic cavity and a rear acoustic cavity, the rear acoustic cavity is filled with sound-absorbing particles, and a cavity wall of the rear acoustic cavity is provided with a leakage hole. The barrier rib body is provided in the rear acoustic cavity, at least a part of the barrier rib body faces the leakage hole, and the distance between the leakage hole and the part of the barrier rib body facing the leakage hole is less than the size of the sound-absorbing particles. The technical solution can reduce the occurrence of the situation where the sound-absorbing particles block the leakage hole.

Abstract: The present disclosure provides an antenna, a method for manufacturing an antenna and a communication system. The antenna includes: a dielectric layer; a first electrode having at least one first opening therein; at least one radiating structure on a side of the dielectric layer different from that with the first electrode thereon; an orthographic projection of the radiating structure on the dielectric layer is located in that of the first opening on the dielectric layer; each radiating structure includes a second electrode and a third electrode, orthographic projections of the second and third electrodes on the dielectric layer are located in that of the first opening on the dielectric layer, the orthographic projections of the second and third electrodes on the dielectric layer are not overlapped; at least one first feed line and at least one second feed line.

Abstract: A medical imaging method, a medical imaging system, and a non-transitory computer-readable medium. The medical imaging method includes: controlling at least two medical imaging devices to perform communication with each other; generating an imaging protocol for different sites to be imaged of the same subject to be imaged, the imaging protocol including an allocation of the different sites to be imaged in the at least two medical imaging devices; and sending the imaging protocol to each of the at least two medical imaging devices.

Abstract: Provided are a signal transmission method and apparatus, a device, and a computer storage medium. A method for sending a measurement reference signal includes: determining parameter information of the measurement reference signal according to received signaling information and/or a pre-negotiated parameter determination rule; and sending the measurement reference signal according to the determined parameter information.

Abstract: Provided herein is a class of a rapidly metabolized lipid compound, and particularly relates to compounds represented by formula (I), or pharmaceutically acceptable salts, isotopic variants, tautomers, or stereoisomers thereof. Also provided is a nanoparticle pharmaceutical composition comprising said compound, and the application of said compound and its composition in the delivery of nucleic acids.

Abstract: This disclosure provides an icon splicing method and related device. In this method, a terminal device may display a first icon, and display a second icon in response to an operation of triggering to splice the first icon; display, in response to an operation of selecting the second icon and the first icon for splicing, options of a plurality of functions corresponding to the second icon; and display, in response to an operation of selecting an option of a second function, a spliced icon of the first icon and the second icon. The second function includes one or more of the plurality of functions corresponding to the second icon. The spliced icon has a function of supporting linkage between a first function and the second function. The first function includes one or more of a plurality of functions corresponding to the first icon.

Abstract: The present invention relates to the field of energy chemical industry, and disclosed are a gliding arc plasma reactor, and a method for converting methane by means of plasma. The reactor comprises a reactor chamber and a gliding arc plasma generator arranged in the reactor chamber, wherein the gliding arc plasma generator comprises at least two arc surface electrodes which are symmetrically distributed, such that a discharge area can be formed between the arc surface electrodes. According to the gliding arc plasma reactor provided in the present invention, the conversion rate of methane can be significantly improved when methane is converted into olefin; the selectivity of ethylene in the product is improved; and carbon deposition is significantly reduced. In addition, compared with a traditional process for preparing olefin from methane, no CO2 is generated; the ignition and explosion risk is avoided; and the reactor is safer and more environmentally friendly.

Abstract: This application provides an uplink transmission method and a communication apparatus. In the method, a terminal device may determine, based on an RRC parameter and/or indication signaling from a network side, according to a predefined selection policy, based on a combination of supported carriers that may be for parallel sending, in a predefined manner, or based on one or a combination of any two or more of these implementations in a plurality of possible radio frequency chain state supporting current uplink transmission, a radio frequency chain state that is during the current uplink transmission.

Abstract: A PIN diode detector includes a substrate. The PIN diode detector further includes a plurality of PIN diode wells in a pixel region, wherein each of the plurality of PIN diode wells has a first dopant type. The PIN diode detector further includes a connecting ring well and a plurality of floating ring wells in a peripheral region, wherein the connecting ring well and plurality of floating ring wells have the first dopant type. The PIN diode detector further includes a field stop ring well surrounding the plurality of floating ring wells, wherein the field stop ring well has a second dopant type opposite the first dopant type. The PIN diode detector further includes a blanket doped region. The blanket doped region extends continuously through an entirety of the pixel region and an entirety of the peripheral region, and the blanket doped region has the second dopant type.

Abstract: Provided herein is a nucleic acid detection system comprising: a CRISPR system comprising an effector protein and one or more guide RNAs designed to bind to corresponding target molecules; an RNA-based masking construct; and optionally, nucleic acid amplification reagents to amplify target RNA molecules in a sample. In another aspect, the embodiments provide a polypeptide detection system comprising: a CRISPR system comprising an effector protein and one or more guide RNAs designed to bind a trigger RNA, an RNA-based masking construct; and one or more detection aptamers comprising a masked RNA polymerase promoter binding site or a masked primer binding site. In some embodiments, the system may be used to detect viruses in samples.

Abstract: A method for hybrid control of grid-connected inverter based on time sharing of a voltage source and a current source including at least one control process, each control process including N+M control cycles. N may be a number of control cycles of a grid-connected inverter operating in a voltage source mode, M may be a number of control cycles of the grid-connected inverter operating in a current source mode. The control cycles of the grid-connected inverter operating in a voltage source mode and a current source mode may switch by counting. Aiming at a problem of being difficult to realize stable operation under large fluctuations in SCR, the present disclosure realizes a time-sharing control of the voltage source mode and the current source mode through a control algorithm, hybrids features of both mode, improves the stability of the grid-connected inverter, and realizes a stable operation under large fluctuations in SCR.