Abstract: This application provides example communication methods and apparatuses, and example computer-readable storage medium. One example method includes receiving a first timing advance (TA) value from a network device, where the first TA value is determined based on a timing advance offset and a distance between the network device and a terminal device. A first uplink signal is sent to the network device based on the first TA value, where boundaries of uplink frames corresponding to the first uplink signal and a second uplink signal in the network device are the same, and the first uplink signal and the second uplink signal are signals of different systems.

Abstract: A radio frequency capability configuration method and an apparatus, the method including sending, by a network device, to a terminal, configuration information configuring M sets of radio frequency capabilities, where each set of radio frequency capabilities includes one or more radio frequency capabilities on one or more carriers, where a radio frequency capability on each carrier of the one or more carriers comprises a quantity of multiple-input multiple-output (MIMO) layers, and where M is an integer greater than 1, and sending, by the network device, to the terminal, first indication information to the terminal, where the first indication information indicates a set of radio frequency capabilities in the M sets of radio frequency capabilities.

Abstract: An access network device sends resource information to a terminal device, where the resource information includes information about N uplink resources and information about M downlink resources, and N and M are integers greater than or equal to 2. The terminal device sends a random access request to the access network device using one of the N uplink resources (namely, a first resource). Correspondingly, the access network device may receive the random access request from the terminal device over the first resource, and may send a random access response to the terminal device using one of the M downlink resources (namely, a second resource).

Abstract: The present disclosure presents a device and method for monitoring and early warning of information perception regarding urban yellow mud water, featuring a rainfall collecting component, a video shooting component, a sediment content monitoring component, a water level monitoring component and a main controller. The video shooting component evaluates the long-term trend of yellow mud water production in a monitoring area by analyzing the color depth of captured water flow, sediment content in the pipeline's flow section, and meteorological rainfall data from the rainfall collecting component. Utilizing data on color, sediment content, flow section, and rainfall, this system achieves unsupervised real-time monitoring and precise early warning for yellow mud water. It provides a scientific basic for traceability, dynamic monitoring, and address challenges such as low measurement accuracy and omitted applicability found in existing methods.

Abstract: This application provides a communication method and apparatus. The method includes: A network device sends a first signal to a first terminal device in a first frequency band and a second frequency band. A frequency band of a first carrier includes the first frequency band and the second frequency band, and the first carrier is a carrier of a first cell accessed by the first terminal device. The network device sends a second signal to a second terminal device in a third frequency band. A frequency band of a second carrier includes the third frequency band and the second frequency band, a root sequence for generating the first signal is the same as a root sequence for generating the second signal, and the second carrier is a carrier of a second cell accessed by the second terminal device.

Abstract: An uplink determining method and an apparatus. An access network device may determine, based on signal quality of a downlink frequency band corresponding to a supplementary uplink (SUL) or signal quality of a frequency band of an SUL, the signal quality of the frequency band of the SUL, to accurately evaluate coverage performance of the SUL; and after determining the signal quality of the frequency band of the SUL, may determine whether to perform transmission on the supplementary uplink, to avoid a case in which the access network device blindly indicates a terminal to perform transmission on the supplementary uplink when signal quality of the supplementary uplink is not measured, leading to transmission of the terminal on the supplementary uplink with poor coverage and even a failure, thereby improving reliability and a transmission rate of uplink transmission and improving user experience.

Abstract: Example uplink switching methods and apparatus are described. One example method include performing switching between a supplementary uplink (SUL) and a normal (NUL), where a switching time period for the switching between the SUL and the NUL is longer than 0 microseconds. Therefore, the SUL and the NUL can share a radio frequency channel so that the shared radio frequency channel can be switched between the SUL and the NUL.

Abstract: This application discloses a method including: A network device receives first channel quality information corresponding to a first bandwidth and second channel quality information corresponding to an aggregated bandwidth from a terminal device; determines interference experienced by the terminal device when the terminal device accesses the aggregated bandwidth based on the first channel quality information and the second channel quality information; and sends bandwidth configuration information to the terminal device based on the interference. The first channel quality information is sent by the terminal device when the terminal device accesses the first bandwidth, and the second channel quality information is sent by the terminal device when the terminal device accesses the aggregated bandwidth. The aggregated bandwidth is obtained by aggregating at least the first bandwidth and a second bandwidth. A spectrum of a third bandwidth is spaced between a spectrum of the first bandwidth and the second bandwidth.

Abstract: In an embodiment a method includes, after establishing a radio resource control (RRC) connection to an access network device on a first supplementary uplink SUL, receiving configuration information of a second (SUL) from the access network device and initiating random access on the second SUL, wherein a frequency of the second SUL is different from a frequency of the first SUL.

Abstract: This application relates to the field of projection device technology, and discloses a projection device, a projection lens component, and a projection system. The projection device comprises a display device, which has a display surface that is a curved surface, where the curvature of the display surface matches the curvature of the projection surface of the projection screen; The projection device also comprises a projection lens component, the incident light surface of the projection lens component is a plane and/or a convex arc surface towards the display surface, the light beam output from the display surface enters the projection lens component from the incident light surface and then is projected to the projection surface through the projection lens component. In this way, this application can improve the projection effect.

Abstract: This application provides a carrier configuration method and a communication apparatus. The method may include: a terminal device accesses a first cell by using a control channel resource of a first carrier. The terminal device receives first carrier configuration information in the first cell. The first carrier configuration information is used to change a carrier of the terminal device from the first carrier to a second carrier in the first cell. The first carrier and the second carrier share the control channel resource, and include different spectrum resources. According to this application, spectrum resource utilization of the first cell can be improved.

Abstract: This application discloses a display adjustment method and apparatus. One example method includes: A display adjustment apparatus may obtain sensing information, where the sensing information is used to determine a facial area of a target user. The display adjustment apparatus may further adjust, based on a position of the facial area, a position of a display corresponding to the target user, so that an adjusted position of the display is suitable for the user to view.

Abstract: The present invention relates generally to nucleic acid molecules in respect of which changes to DNA methylation levels are indicative of the onset or predisposition to die onset of a neoplasm. More particularly, the present invention is directed to nucleic acid molecules in respect of which changes to DNA methylation levels are indicative of the onset and/or progression of a large intestine neoplasm, such as an adenoma or adenocarcinoma. The DNA methylation status of the present invention is useful in a range of applications including, but not limited to, those relating to the diagnosis and/or monitoring of colorectal neoplasms, such as colorectal adenocarcinomas. Accordingly, in a related aspect the present invention is directed to a method of screening for the onset, predisposition to the onset and/or progression of a neoplasm by screening for modulation in DNA methylation of one or more nucleic acid molecules.

Abstract: Embodiments of the present invention provide a computer-implemented method of generating contact recommendations for a vehicle communication apparatus, comprising determining (110) a plurality of vehicle contact events associated with a communication device, determining (120) a distance between one or more current parameters and one or more parameters associated with each of the vehicle contact events, and generating (130) one or more contact recommendations according to the distance.

Abstract: The present disclosure relates to the technical field of batteries. Disclosed are a composite pole piece, a battery cell and a preparation method of the composite pole piece. The composite pole piece includes a supporting layer and an active composite layer. The supporting layer includes an insulating layer and a conductive layer arranged on a side of the insulating layer. The active composite layer is arranged on a side of the conductive layer far away from the insulating layer and includes an active layer and a metal foil layer. The active layer includes a plurality of active particles stacked on the conductive layer, and the metal foil layer is attached to the conductive layer and configured to fix the plurality of active particles on the conductive layer.

Abstract: Disclosed are a method and a device for detecting a position of a piston rod, a hydraulic cylinder and a working machine. The method includes: acquiring a target image at a target position; obtaining a pixel information corresponding to the target image; comparing the pixel information with a pixel database of the piston rod, a full-stroke pixel information of the piston rod and a relationship between the full-stroke pixel information of the piston rod and a displacement of the piston rod are stored in the pixel database of the piston rod, and the full-stroke pixel information at least comprises the pixel information within a range in which the piston rod is configured to move relative to the target position; and determining a position information of the piston rod based on a comparison result.

Abstract: A button battery shell includes a positive electrode metal end cover and a negative electrode metal end cover. The positive electrode metal end cover includes a first bottom cover and a first surrounding wall arranged around one side of the first bottom cover. The negative electrode metal end cover includes a second bottom cover and a second surrounding wall provided around one side of the second bottom cover. The positive electrode metal end cover and the negative electrode metal end cover are arranged opposite to each other. First insulating sleeve are arranged on the first surrounding wall. Second insulating sleeves are arranged on the second surrounding wall. The two insulating sleeves are connected at a connection surface to form an insulating shell having an integrated structure. The insulating shell, the positive electrode metal end cover, and the negative electrode metal end cover form an accommodating cavity.

Abstract: Embodiments of the present invention provide a computer-implemented method of generating contact recommendations for a vehicle communication apparatus, comprising determining (110) a plurality of vehicle contact events associated with a communication device, determining (120) a distance between one or more current parameters and one or more parameters associated with each of the vehicle contact events, and generating (130) one or more contact recommendations according to the distance.

Abstract: The present disclosure provides a multi-layer open channel portable flow measuring device based on a water impulse principle and a flow measuring method; an instantaneous water head height of a water-carrying section, namely, a water level H is measured through a pressure sensor at a bottom of a U-shaped hollow tube; at the same time, layered multi-point velocity measuring components in equidistant layout include a series of position “current meters” composed of tension sensors, hollow punching lightweight steel balls and lightweight elastic steel ropes to measure velocities V1-n of different points, n depends on the layer decided to be arranged according to a channel depth, an instantaneous flow value of the whole water-carrying section is further acquired through multi-layer flow accumulation, and with a simple structure, intelligent control, easy operation and convenient carrying, the present disclosure may further improve the flow measuring precision.

Abstract: A water resistance apparatus used for an oil cylinder, the oil cylinder including a press cover (10) and a piston rod (20) passing within press cover (10), and the water resistance apparatus including: a fluid inlet (14), which is arranged on the press cover (10); a fluid outlet (16), which is arranged on the press cover (10), the fluid outlet (16) and the fluid inlet (14) being in a staggered arrangement; a seal assembly (30), the seal assembly (30) being arranged between the press cover (10) and the piston rod (20); a fluid input assembly (40), the fluid input assembly (40) being connected with the fluid inlet (14); a fluid output assembly (70), the fluid output assembly (70) being connected with the fluid outlet (16).