Abstract: A method for transmitting data includes: sending, by a server, a first message to a target terminal in response to determining that target data corresponding to the target terminal is long data, wherein the first message is intended to instruct the target terminal to enable a long data transmission mode before a first moment, and the long data is data untransmittable between a terminal and a gateway within one time slot; and sending, by the server, a second message to a first gateway, wherein the second message is intended to instruct the first gateway to enable the long data transmission mode before the first moment to receive the target data from the server, and the target data is sent to the target terminal from the first moment.

Abstract: The present disclosure provides an indoor positioning method and an electronic device. The method includes: determining a current state of an electronic device according to a current speed parameter of a sensor; if it is determined that the electronic device is currently in a motion state, turning on a Bluetooth positioning circuit in the electronic device; determining a current location of the electronic device according to positioning beacon information obtained by the Bluetooth positioning circuit.

Abstract: A method for preparing a shell-bionic ceramic tool and a shell-bionic ceramic tool, wherein the shell-bionic ceramic tool includes alternating stacks of ceramic powders with different components, pressing a ceramic green body using a cold briquetting method, carrying out pre-pressing once using a graphite indenter on a working surface thereof after each layer of the ceramic powder being loaded, and pressing a last layer using a graphite rod, and then pressing a whole ceramic green body with a certain pressure to promote a bonding of the layers of ceramic powder, which in turn gives a complex shape to an interface between the layers, increases a bonding area between the layers, and plays the role of hindering crack expansion, extending the crack expansion path, and improving the bonding strength of the interface; after then, hot-pressed sintering is used to densify the ceramic green body to obtain the shell-bionic ceramic tool.

Abstract: A hydrogel for cell-laden bioprinting, bioink, and a preparation method and an application thereof, relates to the technical field of biomedical polymer hydrogels. The hydrogel for cell-laden bioprinting is polymer gel formed by adding a cell-specific material into a matrix of alginate and gelatin and crosslinking and curing, wherein the cell-specific material is polypeptide selected according to different laden cells. The structures printed using the hydrogel may have the advantages such as adjustable mechanical properties, adjustable porosity, high biocompatibility, high printing accuracy, and high customizability, which may widely support the printing of human tissues and organs such as spinal cord, cartilage, and heart, and has good prospects for applications in tissue repair, organ transplantation and so on.

Abstract: This disclosure provides a device identity authentication method and apparatus, an electronic device, and a computer-readable medium. The device identity authentication method includes generating, by a terminal device, a first identity authentication message in response to an identity authentication instruction; sending the first identity authentication message to the second device for the second device to authenticate an identity of the terminal device based on the first identity authentication message to obtain a first identity authentication result; receiving, by the terminal device, a second identity authentication message; wherein the second identity authentication message is a message sent by the second device when the first identity authentication result is passed; authenticating an identity of the second device based on the second identity authentication message to obtain a second identity authentication result.

Abstract: An Internet-of-Things terminal includes: a communication unit, configured to receive text picture information transmitted by an Internet-of-Things gateway, where the text picture information includes synthesized picture information and page number information, and the page number information indicates a page number of a picture corresponding to the picture information in a plurality of associated pictures and a total page number of the plurality of associated pictures; a microcontroller unit, connected to the communication unit and configured to convert the text picture information into a picture to be displayed, where the picture to be displayed includes the page number information; a storage unit, connected to the microcontroller unit and configured to store the picture to be displayed; and a display unit connected to the microcontroller unit.

Abstract: A computer-implemented method in a system having one or more processors for executing periodic tasks is provided. The computer-implemented method includes classifying the periodic tasks into one of at least two groups including a first group and a second group. Cycle times of first periodic tasks in the first group respectively are one or more integer divisors of a maximum cycle time.

Abstract: The invention relates to MIC-1 compounds. More specifically it relates to compounds comprising a MIC-1 polypeptide with an N-terminal amino acid extension and a protractor wherein the amino acid extension comprises 3 to 36 amino acid residues and where the MIC-1 polypeptide and the N-terminal amino acid extension together have a calculated pI lower than 6.5. The compounds of the invention have MIC-1 activity. The invention also relates to pharmaceutical compositions comprising such compounds and pharmaceutically acceptable excipients, as well as the medical use of the compounds.

Abstract: This document discloses a method and device for implementing secure communication, and a storage medium. The method for implementing secure communication includes: encrypting first information and second information of a data packet respectively to generate an encrypted message; wherein, a region in which the encrypted first information is located is a first encrypted region, and a region in which the encrypted second information is located is a second encrypted region; the first information is used for a receiving device to determine whether to acquire the second information; and sending the encrypted message.

Abstract: The invention relates to MIC-1 compounds. More specifically it relates to compounds comprising a MIC-1 polypeptide and an N-terminal amino acid extension, wherein said extension consists of 3 to 36 amino acid residues and where the compound has a calculated pI lower than 6.5. The compounds of the invention have MIC-1 activity. The invention also relates to pharmaceutical compositions comprising such compounds and pharmaceutically acceptable excipients, as well as the medical use of the compounds.

Abstract: An over-the-air updating method, an update server, a terminal, and an internet of things system are provided. The over-the-air updating method is applied to an update server in an internet of things system which further includes a terminal. The update server is communicatively connected to the terminal. The method includes: generating an encryption public key and an encryption private key which match each other; sending the encryption public key to the terminal; generating an update key, and encrypting the update key with the encryption private key; sending the encrypted update key to the terminal, for the terminal decrypts the encrypted update key with the encryption public key; encrypting update data with the update key; sending the encrypted update data to the terminal, for the terminal decrypts the update data with the decrypted update key, and performing data updating with the update data.

Abstract: A positioning control method includes: determining a position of a positioning object; determining, based on the position of the positioning object, at least one target positioning beacon whose distance to the positioning object satisfies a predetermined condition; and sending a prompt message to the target positioning beacon, wherein the prompt message is intended to instruct a positioning beacon to switch a broadcast frequency from a first frequency to a second frequency which is greater than the first frequency.

Abstract: Disclosed are a terminal, a communication system, a communication method and a storage medium. The terminal comprises a receiver and a processor, the receiver is configured to output, upon reception of a destination address in a data packet, a trigger signal; and the processor is configured to control, upon detection of the trigger signal and when the destination address is not the address of the terminal, the receiver to stop receiving the data packet. The present disclosure can effectively reduce power consumption of terminals.

Abstract: The invention relates to aminoacyl-tRNA synthetases that aminoacylate tRNA with 2-Aminoisobutyric acid (Aib), thus enabling the incorporation of the Aib into a growing polypeptide chain during translation, e.g. in eubacterial host cells such as E. coli. For example, but not limited to, the invention relates to new aminoacyl-tRNA synthetases and the uses hereof, as well as a method for producing polypeptides that contain one or more Aib.

Abstract: The present disclosure relates to a data processing method, device, and storage medium. The method includes obtaining information indicating that a plurality of users put one or more items into a container device. The information includes a device identification of the container device, user identifications of the plurality of users, item identifications of the one or more items, and action information indicating that the users put one or more items into the container device. The method includes determining a correspondence between the items and the users according to the information indicating that the plurality of users put one or more items into the container device.

Abstract: A shopping cart charging device, a charging system, an escalator and a shopping cart is disclosed. The shopping cart charging device includes a charging electrode configured to be disposed on a wheel of a shopping cart. The charging electrode is configured to allow electrical connection with a power supply electrode disposed on an escalator, so as to charge the shopping cart.

Abstract: The present disclosure provides an indoor positioning method and an electronic device. The method includes: determining a current state of an electronic device according to a current speed parameter of a sensor; if it is determined that the electronic device is currently in a motion state, turning on a Bluetooth positioning circuit in the electronic device; determining a current location of the electronic device according to positioning beacon information obtained by the Bluetooth positioning circuit.

Abstract: The present disclosure provides a method for upgrading an Internet of Things (IoT) terminal device and an electronic device thereof. The method includes: determining a surveillance device and performing two-way verification with the surveillance device; sending, in response to successful two-way verification, a first upgrade instruction to at least one of the surveillance device and the terminal device, wherein a server communicates with the terminal device via the surveillance device, and the first upgrade instruction includes an encrypted upgrade file, encrypted server identification information, and an encrypted first check value.

Abstract: The present invention relates to the field of wireless charging technology and provides a wireless charging prompt method and device, and a wireless charging system. The method includes establishing a wireless charging connection between a transmitting device and a receiving device; acquiring relative displacement information of the transmitting device and the receiving device and charging efficiency of the transmitting device charging the receiving device in real time; and generating a displacement indication according to change of the charging efficiency with the relative displacement information, where the displacement indication indicates relative movement of the receiving device and/or the transmitting device to improve the charging efficiency.

Abstract: A method for determining a battery state of charge (SOC) includes: determining a basic SOC of a battery of a terminal apparatus at a current time; determining rated and maximum power consumption parameters of the terminal apparatus in a time period between the current time and a reference time previous thereto; determining a reference SOC at the current time based on the rated power consumption parameter and an actual SOC at the reference time; determining a minimum SOC at the current time based on the maximum power consumption parameter and the actual SOC at the reference time; and judging whether the basic SOC is between the minimum SOC and the actual SOC at the reference time or not, and if yes, determining the basic SOC as an actual SOC at the current time, and if not, determining the actual SOC at the current time based on the reference and basic SOC.