Abstract: The present disclosure relates to secure communication methods applicable to a scenario in which a terminal device accesses a network in a manner of non-seamless wireless local area network offloading (NSWO). In one example method, a unified data management entity receives indication information from an authentication server function entity, and the unified data management entity selects extensible authentication protocol-authentication and key agreement (EAP-AKA?), from at least two authentication manners based on the indication information, to perform authentication with the terminal device.

Abstract: Embodiments of this application disclose a communication method and a related apparatus. The method includes: A UDM receives a plurality of authentication vector obtaining request messages from one or more AUSFs for same UE, where the plurality of authentication vector obtaining request messages are for obtaining authentication vectors corresponding to the UE; and the UDM sequentially processes the plurality of authentication vector obtaining request messages, to avoid a problem that subsequently an intermediate key Kausf stored on the UE and an intermediate key Kausf stored on a network device side are out of synchronization because the UE receives a plurality of NAS SMC messages or EAP-Success messages whose receiving time sequence is uncontrollable.

Abstract: The invention discloses a nitrogen-containing heterocyclic derivative of a somatostatin receptor subtype 4 (SSTR4) small molecule agonist and its pharmaceutical composition, preparation method, and use. The nitrogen-containing heterocyclic derivative of the SSTR4 small molecule agonist is represented by formula (I), and the specific substituents and definitions are as described in the specification. The nitrogen-containing heterocyclic derivatives of SSTR4 small molecule agonists exhibit good binding and agonistic activities with SSTR4. Such compounds or their pharmaceutical compositions have great potential in treating and/or preventing pain disorders related to SSTR4 receptor.

Abstract: The present disclosure relates to the technical field of coal-fired power plant equipment, in particular to a PLC coal machine control system, including a PLC control unit, a weighing unit one, a weighing unit two, a drive unit, a frequency converter, a belt motor and a velocity measuring unit; wherein the PLC control unit is electrically connected to the weighing units one and two, for making a real-time collection of weight values of the two units; and the PLC control unit is electrically connected to the drive unit, frequency converter and velocity measuring unit, for making a real-time collection of output signals of the drive unit, velocities of the frequency converter and velocities detected by the velocity measuring unit. According to the present disclosure, the PLC controller is employed to process signals, so that the stability of the system is improved and stable operation of a generator set is guaranteed.

Abstract: The present disclosure provides a method for sweat volume detection based on sweat print imaging, comprising: obtaining a raw data set, the raw data set including at least one sweat print image formed by dropping different volumes of sweat on a test paper under different environmental parameters; obtaining a color value extreme of the sweat print image and dividing the sweat print image into at least one region; calculating a sweat error based on a total sweat collection volume and a real sweat volume; obtaining a trained error prediction model; obtaining a to-be-tested sweat print image and current environmental parameters; inputting the current environmental parameters and a count of regions of the to-be tested sweat print image into the trained error prediction model to determine a sweat error of the to-be-tested sweat print image; calculating a sweat volume and a sweat rate based on the sweat error.

Abstract: Embodiments of this application provide a method for coding in a wireless communication network. A communication device interleave a first bit sequence to obtain a first interleaved sequence having sequence number starting with a sequence number of 0, wherein the first bit sequence comprises bits for indicating timing, wherein the bits for indicating timing comprises a set of bits for indicating synchronization signal block index (SSBI); wherein the set of bits for indicating SSBI are placed in positions indicated by sequence numbers of 2, 3 and 5 in the first interleaved sequence. The devices add d first CRC bits on the first interleaved sequence to obtain a second bit sequence, interleave on the second bit sequence according to an interleave pattern to obtain a second interleaved sequence, and polar encode the second interleaved sequence to obtain the encoded sequence.

Abstract: In a resource allocation method, a master control device establishes a first asynchronous connection link with a first slave device. The master control device establishes a first synchronous connection link with the first slave device based on the first asynchronous connection link. The master control device dynamically allocates a first air interface resource to the first asynchronous connection link based on indication information in a data packet transmitted on the first synchronous connection link. The indication information indicates whether control signaling transmission needs to be performed on the first asynchronous connection link.

Abstract: A combined platform for testing fireproof materials for cables includes a main frame for providing operating space; an air circulation system including a fresh air supply unit for supplying fresh air into the operating space and an exhaust gas treatment unit for treating the gas in the operating space under set conditions; an open flame system for providing an open flame for testing cables; a water circulation system for supplying water at least to the exhaust gas treatment unit and the operating space; and a control system for collecting at least the temperature and gas concentration in the operating space, and performing process control based on the collected results. The actual working conditions of scenarios such as fire-resistant cable tunnels and fire-resistant cable trenches can be simulated, and multiple tests such as combustion performance test and physical and chemical performance test can be carried out under various working conditions.

Abstract: The present application provides a splicing display screen and a manufacturing method thereof. The splicing display screen includes a backplate. In the present application, a plurality of sub-display panels disposed on the backplate, an adhesive layer disposed between the backplate and the sub-display panels, and a plurality of first sub-surfaces configured to display images in the sub-display panels are arranged on a same plane. The adhesive layer at least corresponds to a gap between every two adjacent sub-display panels to connect every two adjacent sub-display panels.

Abstract: A shaft and a display device are disclosed. The display device includes the shaft including a plurality of planar sections and arc sections. Each of the arc sections is disposed between adjacent ones of the planar sections. A flexible display screen includes a first side, a third side, and a second side sequentially arranged, and the third side is fixed on the shaft. When the flexible display screen is rolled on the shaft, each chip-on-film is placed on a corresponding one of the planar sections, so that a problem that the chip-on-films arranged on the flexible display screen are prone to peel is solved.

Abstract: The application discloses an optical cable assembly and an optical cable testing method. The optical cable assembly comprises: an optical cable wire with a test end; a spool for winding the optical cable; a connection assembly has an optical cable connection port and a test port, the connection assembly is configured to connect objects at both ends of the connection assembly, and the test end of the optical cable is connected to the connection assembly as an object at one end of the optical cable connection port, the test port is located at an operable area of the spool, configured to connect the test equipment to form an optical path between the test equipment and the optical cable wire when the optical cable is tested.

Abstract: Embodiments of this application disclose a communication processing method, including: A first communication device determines a first tone reservation pattern. The first communication device communicates a data signal by using the first tone reservation pattern. The first tone reservation pattern is determined based on a first bandwidth part BWP, or the first tone reservation pattern is determined based on a first beam. The first bandwidth part is used for communicating the data signal between the first communication device and a second communication device, and the first beam is used for communicating the data signal between the first communication device and the second communication device. It can be learned that the first tone reservation pattern is more suitable for the first communication device and the second communication device.

Abstract: This application provides a TA determining method and apparatus for a terminal device. After receiving a TA adjustment parameter sent by an access network device and determining that a TA of the terminal device needs to be adjusted, the terminal device determines a TA scaling factor, a subcarrier spacing parameter, and a first TA, to jointly adjust the first TA to obtain a second TA. ATA adjustment parameter k is added when the terminal device determines the second TA, so that an adjustable range of the TA is larger. Therefore, the TA may be applied to determining the TA of the terminal device when the terminal device communicates with a satellite base station. In this way, the terminal device can adjust the TA when movement of a device is caused by both the terminal device and the satellite base station.

Abstract: A model training method and a related apparatus to help improve a convergence speed of model training and improve end-to-end communication quality. The method includes: a first communication apparatus sends first data to a second communication apparatus through a channel, where the first data is an output result of the first machine learning model. The second communication apparatus receives second data through a channel, inputs the second data into a second machine learning model to obtain third data; determines a first loss function based on the third data and the first training data; and sends the first loss function to the first communication apparatus through a feedback channel.

Abstract: A method and device of removing and recycling metals from a mixing acid solution, includes adsorbing a mixing acid solution with a pH value of ?1 to 4 and a cobalt ion concentration of 100 to 1,000 mg/L by at least two cation resins in series setting to the cobalt ion concentration in the mixing acid solution is less than 10 mg/L, and then adjusting the pH value of the mixing acid solution after adsorption to meet a discharge standard, wherein the particle size of the at least two cation resins in series setting is 150˜1,200 ?m. After the cation resins are saturated by adsorption, regenerating the cation resins by sulfuric acid to form a cobalt sulfate solution, and then electrolytically treating the cobalt sulfate solution to obtain electrolytic cobalt and sulfuric acid electrolyte. The operation process is simple without complicated equipment, and it can effectively recycle metals from mixing acid solutions.

Abstract: This application relates to the field of wireless communications technologies, and discloses an encoding method and apparatus, to improve accuracy of reliability calculation and ordering for polarized channels. The method includes: obtaining a first sequence used to encode K to-be-encoded bits, where the first sequence includes sequence numbers of N polarized channels, the first sequence is same as a second sequence or a subset of the second sequence, the second sequence comprises sequence numbers of Nmax polarized channels, and the second sequence is the sequence shown in Sequence Q11 or Table Q11, K is a positive integer, N is a positive integer power of 2, n is equal to or greater than 5, K?N, Nmax=1024; selecting sequence numbers of K polarized channels from the first sequence; and performing polar code encoding on K the to-be-encoded bits based on the selected sequence numbers of the K polarized channels.

Abstract: This invention relates to the technical field of harmonic elimination for ferromagnetic resonance for a voltage transformer (abbreviated as PT), in particular, to a harmonic elimination method for ferromagnetic resonance for an active resistance-matching voltage transformer based on PID-adjustment, including compiling a resistance matching algorithm; designing and building a harmonic elimination control system based on the PID control strategy; presetting an active resistance-matching strategy; designing an engineering scheme for placing resistors.

Abstract: A polar code construction method and an apparatus. A communication apparatus obtains a reliability weight sequence, and determines a first threshold that indicates a weight of lowest reliability of a subchannel corresponding to an information bit. The communication apparatus determines a non-pre-frozen subchannel corresponding to a content value greater than or equal to the first threshold in the reliability weight sequence as the subchannel corresponding to the information bit based on the first threshold, and performs polar coding on the information bit based on the subchannel corresponding to the information bit.

Abstract: This application discloses a NB-IoT-based communication method and an apparatus, to evolve a NB-IoT communication technology into an NTN. The method is as follows: A terminal device generates an uplink signal, including a superframe which includes a synchronization sequence located in first duration of the superframe and a data frame located in second duration which is after the first duration, the synchronization sequence successively includes a first sequence repeated Ni times and a second sequence repeated N2 times, the second sequence is obtained by multiplying the first sequence by ?1, a part of consecutive sequences of the synchronization sequence are used as a first synchronization reference sequence that is obtained based on the second sequence repeated N2 times and one or more first sequences that are sorted from back to front in the first sequence repeated N1 times. The terminal device sends the uplink signal to a network device.