Abstract: Embodiments of the present application provide a detection method. The detection method includes: acquiring information of at least two first positions through which a particle passes before penetrating an object under detection, and information of at least two second positions through which the particle passes after penetrating the object under detection, wherein the object under detection is a metal product; reconstructing, based on the information of the at least two first positions, a first track before the particle penetrates the object under detection; reconstructing, based on the information of the at least two second positions, a second track after the particle penetrates the object under detection; processing the first track and the second track to obtain feature information of the object under detection; and determining, according to the feature information and preset feature information of an object of a target type, a detection result of the object under detection.

Abstract: Presented are systems and methods for coverage enhancement in non-terrestrial network (NTN). A wireless communication device may send assistance information of the wireless communication device that is indicative of a time domain window (TDW) size of the wireless communication device for bundling of demodulation reference signals (DMRSes) to a wireless communication node. The wireless communication device may send an uplink (UL) transmission according to the bundling of DMRSes to the wireless communication node.

Abstract: Presented are systems and methods for extending validation duration. A wireless communication device (e.g., UE) may receive at least one signaling from a wireless communication node (e.g., BS). The wireless communication device can determine whether to use an indicated duration of validity of positioning information of the wireless communication device, according to the at least one signaling.

Abstract: Presented are systems and methods for coverage enhancement in non-terrestrial networks (NTN). A wireless communication device may determine a time window. The wireless communication device may send at least one uplink transmission according to the time window to a wireless communication node.

Abstract: Presented are systems and methods for coverage enhancement in non-terrestrial network (NTN). A wireless communication device (e.g., UE) may receive a random access response (RAR) transmission that includes an indication indicating a maximum repetition number (repNum) of RAR transmissions for at least the wireless communication device from a wireless communication node (e.g., BS). The wireless communication device can determine, using the repNum, a time domain location of a transmission resource on which a Msg.3 transmission is to be transmitted in response to the RAR transmission.

Abstract: Provided is a device of detecting a ray dose adaptable for coupling with a terminal, including: a housing, a scintillator and a light shielding layer. The housing has an accommodating space and a window, the accommodating space is in communication with the window; the scintillator is configured to receive a ray and convert a received ray into a visible light, the scintillator is located in the accommodating space, the scintillator covers the window, an outer surface of the scintillator includes a first outer surface and a second outer surface, and the first outer surface is adapted to a camera of the terminal; and the light shielding layer is configured to shield a visible light in an external environment from illuminating on the scintillator, the light shielding layer is arranged on the second outer surface of the scintillator.

Abstract: This application discloses a detergent tablet free of SLS surfactant and its preparation method. The detergent tablet includes a film-forming agent, an anionic surfactant, a non-ionic surfactant, a chelating agent, an enzyme preparation, an auxiliary agent and a essence. The film-forming agent includes one or more of polyvinyl alcohol, cellulose, and dodecenyl succinate starch ester. The anionic surfactant includes at least two of sodium ?-olefin sulfonate, sodium fatty acid methyl ester sulfonate, and sodium hydroxyethyl sulfonate. The non-ionic surfactant includes at least two of fatty alcohol polyoxyethylene ethers, fatty acid methyl ester ethoxylate, and oil ethoxylate.

Abstract: The present application relates to the field of mobile communication and discloses an information reporting method and apparatus, an information receiving method and apparatus, a device, and a storage medium. The method comprises: a terminal sends channel state information to a network device, the channel state information comprising a time domain parameter and/or a Doppler domain parameter. The terminal reports the channel state information comprising the time domain parameter and/or the Doppler domain parameter to the network device, where the time domain parameter and/or the Doppler domain parameter may indicate a coherence time of the channel, so as to facilitate determination of a time domain correlation of the channel on the basis of the determined coherence time of the channel; also, signaling overhead is reduced while CSI feedback accuracy is improved.

Abstract: Provided are a process for preparing a flame retardant, a flame retardant obtained by the process and use of the flame retardant in a polymer composition.

Abstract: A method for transmitting transmission block configuration parameter is provided. The method includes: sending first downlink control information (DCI) for scheduling a multi-transmission time interval transmission block, where the first DCI includes a preset indicator indicating that a configuration parameter that determines a transmission block size (TBS) of a retransmission TB scheduled by means of the first DCI is from the first DCI or second DCI, and the second DCI is DCI for scheduling a new transmission TB corresponding to the retransmission TB.

Abstract: A frame transmission method, includes: sending, by a first communication end to a second communication end, a first RTS on an unlicensed channel, wherein the first RTS carries a licensed frequency band source indication; receiving, according to the licensed frequency band source indication, an assist-clear to send (A-CTS) that is sent by the second communication end in a retreat state on the licensed channel; and sending, according to the A-CTS, a first clear-request to send (C-RTS) on the unlicensed channel, wherein the first C-RTS is configured for instructing a third communication end to exit the retreat state entered based on the first RTS.

Abstract: Disclosed is a hybrid automatic repeat request (HARQ) feedback enhancement method. The method comprises: sending downlink control information comprising first indication information to a terminal, the first indication information being used for indicating the number of downlink transport blocks received by the terminal on a sub-frame after the current sub-frame and a sub-carrier after the current sub-carrier within the current HARO feedback window.

Abstract: Presented are systems and methods for coverage enhancement in non-terrestrial networks (NTN). A wireless communication device may determine a set of one or more resources to use for indicating information for physical uplink control channel (PUCCH) repetition of msg4 hybrid automatic repeat request acknowledgement (HARQ-ACK) transmission. The wireless communication device may send a msg1 transmission using the set of one or more resources, to indicate the information for the PUCCH repetition, to a wireless communication node.

Abstract: A data transmission method includes: sending, by a network device, a fixed-length downlink control information (DCI), wherein the fixed-length DCI comprises a detection parameter corresponding to a variable-length DCI.

Abstract: The present application relates to the technical field of battery manufacturing, and relates to an alternate film pasting device for hard-case secondary batteries.

Abstract: Presented are systems and methods for enabling or disabling hybrid automatic repeat request (HARQ) feedback. A wireless communication device (e.g., a UE) may receive a first signaling and a second signaling from a wireless communication node (e.g., a BS). The wireless communication device may determine whether at least one hybrid automatic repeat request (HARQ) feedback of at least one HARQ process is to be disabled, according to the first signaling and the second signaling.

Abstract: The embodiments of the present disclosure provides a square housing battery coating device compatible with a plurality of coating manners. The device may include a machine station, a pushing device, a feeding device, a film releasing device, a film sending device, a film adhering device, a transferring and positioning device, an edge cutting device, and a folding and adhering device. The device may be configured to form a U-shaped coating battery by first paving an insulating film on a bottom side, a left side, and a right side of the battery input with the bottom side facing forward using a U-shaped coating manner, or form a hollow-square-shaped coating battery by first paving the insulating film on a front side, the left side, and the right side, and folding and adhering the back side of the battery input with the front side facing forward using a hollow-square-shaped coating manner.

Abstract: A random access method and a device thereof are provided. The method includes that a base station receives a random access preamble and sends a Random Access Response (RAR) according to the random access preamble, where the RAR indicates at least two time-frequency units, and the at least two time-frequency units are time-frequency units having different time domains on an unlicensed channel. Further, the base station receives a first random access message 3 (MSG3) sent on a first time-frequency unit by a first terminal and sends a first random access message 4 (MSG4) to the first terminal, where the first time-frequency unit is any one of the at least two time-frequency units, where the first MSG3 includes a terminal identifier of the first terminal, where the first MSG4 carries a terminal identifier of the first terminal and a first Cell-Radio Network Temporary Identifier allocated to the first terminal.

Abstract: The embodiments of the present disclosure provides a square housing battery coating device compatible with a plurality of coating manners. The device may include a machine station, a pushing device, a feeding device, a film releasing device, a film sending device, a film adhering device, a transferring and positioning device, an edge cutting device, and a folding and adhering device. The device may be configured to form a U-shaped coating battery by first paving an insulating film on a bottom side, a left side, and a right side of the battery input with the bottom side facing forward using a U-shaped coating manner, or form a hollow-square-shaped coating battery by first paving the insulating film on a front side, the left side, and the right side, and folding and adhering the back side of the battery input with the front side facing forward using a hollow-square-shaped coating manner.

Abstract: The present application relates to the technical field of battery manufacturing, and relates to an alternate film pasting device for hard-case secondary batteries.