Abstract: This application provides a communication method, a terminal, and a network device. The communication method includes: repeating, by a first terminal, to-be-transmitted uplink control information for N times to obtain a first data segment, where N is a positive integer; determining, by the first terminal, an orthogonal cover code based on N; multiplying, by the first terminal, the first data segment by the orthogonal cover code to obtain a second data segment; and sending, by the first terminal, the second data segment. By using the communication method, the terminal, and the network device provided in this application, frequency diversity gains of the uplink control information can be increased, transmission flexibility of the uplink control information can be improved, and resource utilization can be increased.

Abstract: A process for etherification of aldehydes and/or ketones in the presence of a catalyst and an iodine source. In particular, a process for the synthesis of an ether compound, comprising reacting an aldehyde and/or a ketone with an alcohol, in the presence of (i) a metal/support heterogeneous catalyst and an iodine source, or (ii) a metal-iodine catalyst, in a reactor, whereby the ether compound is obtained. A catalytic system comprising a metal/support heterogeneous catalyst and an iodine source, and a process for its preparation.

Abstract: An imaging control method may include acquiring a device identifier of an imaging device; acquiring voice information; performing information comparison on content data included in the voice information based on the device identifier; analyzing the voice information to identify control information in response to the content data including matching information that matches the device identifier; generating a tracking control command in response to a determination that the control information includes a command to track a user who issued the voice information; and transmitting the tracking control command to the imaging device to control the imaging device.

Abstract: A resource determination method, a receiving method, a device, a network device and a terminal are provided. The resource determination method includes: determining a random access occasion within an uplink symbol as a valid random access occasion. The receiving method includes: the terminal not expecting to receive a downlink signal at a valid random access occasion and/or within M symbols before a valid random access occasion.

Abstract: The present disclosure provides a method for optimizing T1-weighted magnetic resonance imaging of infant brains. Firstly, T1 and PD maps of infant brains at 0-12 months old are collected to obtain average T1 and PD values of WM and GM of the infant brains, and infants are classified into three age groups according to the characteristics of WM and GM T1 values of the infant brains. Then, the theoretical signal strength of the WM and GM of the infant brains generated from a 3D T1-weighted imaging sequence is calculated through Bloch simulation, and a theoretical optimal TI scheme of each group is determined according to the simulated WM/GM contrast characteristics under different TIs. Finally, the theoretical optimal TI scheme is applied to a target infant brain according to the designated age group for 3D T1-weighted magnetic resonance imaging.

Abstract: In keystroke recognition technologies, a method and a module for updating a keystroke reference, and a terminal device are provided. The method for updating a keystroke reference includes: receiving a pressing interrupt sent by a keystroke chip; obtaining a plurality of pressing capacitance values from the keystroke chip, where the plurality of pressing capacitance values include a capacitance value of the keystroke chip at a generation moment of the pressing interrupt and a capacitance value of the keystroke chip at a scanning moment next to the generation moment of the pressing interrupt; and setting a release reference of the keystroke chip according to the plurality of pressing capacitance values, to improve interchangeability and anti-interference of the keystroke chip with no extra burden on a main control chip.

Abstract: A transmit power indication method, a transmit power receiving method, a network device and an access device are provided. The transmit power indication method is applied to a network device, and includes transmitting indication information on a first link of the network device, wherein the indication information is used to indicate current transmit power of the first link of the network device, or to indicate a transmit power offset of the first link, wherein the transmit power offset is a difference between the current transmit power of the first link and transmit power of the network device before the network device transmits the indication information.

Abstract: An identity verification method performed at a terminal includes playing in an audio form action guide information including mouth shape guide information selected from a preset action guide information library at a speed corresponding to the action guide information, and collecting a corresponding set of action images within a preset time window; performing matching detection on the collected set of action images and the action guide information, to obtain a living body detection result indicating whether a living body exists in the collected set of action images; according to the living body detection result that indicates that a living body exists in the collected set of action images: collecting user identity information and performing verification according to the collected user identity information, to obtain a user identity information verification result; and determining the identity verification result according to the user identity information verification result.

Abstract: A photographing apparatus includes a processing circuit configured to obtain video data and a communication circuit configured to send the video data and a processing instruction to a processing apparatus. The processing instruction instructs the processing apparatus to process the video data.

Abstract: An imaging control method includes acquiring a device identifier of an imaging device; acquiring voice information; performing information comparison on content data included in the voice information based on the device identifier; analyzing the voice information to identify control information in response to the content data including matching information that matches the device identifier; generating a control command based on the control information; and transmitting the control command to the imaging device to control the imaging device to capture an image.

Abstract: An audio playing method and apparatus, a terminal and a non-transitory machine-readable storage medium are disclosed in this application. The method may include obtaining behavior information or appearance information of a virtual object; in response to detecting that the behavior information or the appearance information satisfies a play triggering condition, obtaining an audio resource matching the play triggering condition, the play triggering condition being determined according to attribute information of the virtual object; and playing the audio resource matching the play triggering condition.

Abstract: In an embodiment the method includes: determining, by a first communications device, a first subcarrier spacing corresponding to a first subband; and performing, by the first communications device, signal transmission on the first subband with a second communications device based on the first subcarrier spacing; or determining, by a first communications device, a second subcarrier spacing corresponding to a second subband; and performing, by the first communications device, signal transmission on the second subband with a second communications device based on the second subcarrier spacing. The first subcarrier spacing is different from the second subcarrier spacing, and both the first subcarrier spacing and the second subcarrier spacing are integral multiples of a basic frequency spacing; and both bandwidth of the first subband and bandwidth of the second subband are integral multiples of the basic frequency spacing.

Abstract: Embodiments of the present invention provide a motion monitoring method during MR imaging, comprising: acquiring a noise of a receiving coil before or after each imaging repetition time of an imaging scanning sequence; determining main coil channels associated with a motion of a scanned object in the receiving coil; determining a sum of squares of amplitudes of noises of the respective main coil channels; and filtering the sum of squares of amplitudes of noises of the main coil channels to obtain a motion track of the scanned object.

Abstract: A first node device includes a transmitter, a receiver, a processor, and a non-transitory computer-readable storage medium storing a program to be executed by the processor. The program includes instructions to cause the transmitter to send, to a second node device, an offset of a first uplink sending timing of the second node device and a first amount of timing adjustment of the second node device, cause the transmitter to send indication information to the second node device, where the indication information indicates whether the second node device sends uplink data by using the first uplink sending timing of the second node device, and receive, through the receiver, data sent by the second node device, where the first node device is a parent node device of the second node device.

Abstract: The present application provides a medical imaging method and system and a non-transitory computer-readable storage medium. The medical imaging method comprises identifying an image quality type of a medical image based on a trained learning network, and generating, based on the identified image quality type, a corresponding control signal for controlling a medical imaging system.

Abstract: An optical fiber sub-assembly and an optical fiber connector, where the optical fiber sub-assembly includes a connector component, where a first end of the connector component is used to connect an optical cable, and where a ferrule is disposed at a second end of the connector component. Additionally, a protection tube is disposed around the ferrule, where an end surface of the ferrule protrudes from an end surface of the protection tube or an end surface of the ferrule is level with an end surface of the protection tube. Further, the protection tube has a notch, and a beveled edge is formed at an outer end of the notch.

Abstract: An imaging control method includes acquiring a device identifier of an imaging device; acquiring voice information; performing information comparison on content data included in the voice information based on the device identifier; analyzing the voice information to identify control information in response to the content data including matching information that matches the device identifier; generating a control command based on the control information; and transmitting the control command to the imaging device to control the imaging device to capture an image.

Abstract: Harmonics of a power output of a power plant at a point of common coupling between the power plant and a utility grid, wherein the power plant comprises a plurality of energy production units. The method comprises determining an electrical characteristic at the point of common coupling; determining the electrical characteristic at an output terminal of each of the energy production units and dispatching a control signal to at least one of the energy production units to control the electrical characteristic at an output terminal of the respective energy production units. The control signal is based on the measurement of the electrical characteristic at the point of common coupling and arranged for damping the harmonic of the power output of the power plant at the point of common coupling, wherein the control signal is determined on the basis of a predetermined prioritizing sequence of said electrical characteristic.

Abstract: The present invention discloses a ?-galactosidase mutant, and a preparation method and application thereof, belonging to the fields of gene engineering and enzyme engineering. Amino acids of specific sites in the ?-galactosidase are mutated, the ?-galactosidase is transferred into a recombinant bacterium, and enzymatic transformation is performed under optimized conditions, so that the yield of galactooligosaccharide produced by the mutant reaches 59.8%, which is increased by about 70% as compared with that of wild enzyme, thereby implementing the increase of the galactooligosaccharide yield. The present invention has very high industrialized application value.

Abstract: Embodiments of this application provide a resource configuration method. The method includes: sending, by a first communications device, a first message to a second communications device, wherein the first message includes information associated with an available symbol for backhaul transmission, the first communications device is a relay node, and the second communications device is a base station or a relay node; and receiving, by the first communications device, a second message from the second communications device, wherein the second message includes information associated with a symbol to be occupied by the first communications device to perform backhaul transmission.