Abstract: An anti-tumor composition for nasal administration has chlorogenic acid as an active ingredient, with the addition of pharmaceutically acceptable excipients or auxiliary ingredients. The chlorogenic acid preparation can improve the bioavailability of chlorogenic acid for nasal administration, penetrate the blood-brain barrier, have a significant inhibitory effect on brain tumors and nasopharyngeal carcinoma, and possess a clinical application value.

Abstract: A screen display method and apparatus, a device, a storage medium, and a program product, in the field of application development technologies are provided. The method includes: displaying a display interface of an application running on a terminal device, the display interface displaying a first application screen of a first user account in the application; displaying an account display bar, the account display bar displaying identifiers of a plurality of user accounts participating in a service related to the application; displaying, in response to an operation on an identifier of a target user account among the identifiers of the plurality of user accounts, the identifier of the target user account in the display interface; and displaying a target screen of the target user account in response to the operation on the identifier of the target user account, the target screen being a screen of the target user account in the application.

Abstract: This disclosure is directed to a method and apparatus for displaying an expression in a virtual scene. The method includes: displaying a virtual scene; displaying an expression selection region at a first target position in the virtual scene in response to a drag operation on an expression addition icon; and displaying the first target expression in the virtual scene in response to a selection operation on a first target expression in a plurality of first candidate expressions.

Abstract: Embodiments of this application provide a Bluetooth connection method, a system, and an electronic device. In the method, when a communication connection between an electronic device and a vehicle head unit is disconnected, the electronic device starts to scan a Bluetooth advertising signal. When a user carrying the electronic device is close to the vehicle head unit, the electronic device may obtain, through scanning, a Bluetooth advertising signal sent by the vehicle head unit. When obtaining, through scanning, the Bluetooth advertising signal sent by the vehicle head unit, the electronic device may start a vehicle manufacturer application when the vehicle manufacturer application is cleared by a system. The electronic device may reconnect to the vehicle head unit through Bluetooth by using the vehicle manufacturer application and a Bluetooth chip. Embodiments of this application can improve convenience of unlocking in a scenario in which a vehicle is insensibly unlocked.

Abstract: Disclosed are an integrated high-temperature decomposable connector and a lithium ion battery containing the same. The integrated high-temperature decomposable connector includes a connecting plate and supporting columns fixedly arranged on one side of the connecting plate at intervals, clamping columns are fixedly connected to the top ends of the supporting columns, and an insertion recess is formed between adjacent clamping columns; the top end surface of the clamping column and the inner sidewall of the insertion recess are each provided with a conductive layer, the clamping column is made of a high-temperature decomposable material, and the high-temperature decomposable material is formed by mixing a thermosensitive resin and a functional, additive. The conductive layer may be electrically connected to cell tabs, and the thermosensitive resin may be automatically decomposed while the temperature of cells is too high, so that the safety performance of the battery is greatly improved.

Abstract: A virtual object control method includes: displaying a path drawing interface that comprises a map of a virtual environment; obtaining a path finding instruction associated with a virtual object in the virtual environment according to an operation track of a drawing operation performed in the path drawing interface. The drawing operation is performed on the map of the virtual environment. The method also includes generating a moving path according to the path finding instruction; and controlling the virtual object to move along the moving path in the virtual environment.

Abstract: The present disclosure provides an external short-circuit protection apparatus for a lithium ion battery. The external short-circuit protection apparatus for the lithium ion battery includes at least one battery cell and a bus bar, wherein each battery cell is provided with a conductive tab, the conductive tab is adjacent to the bus bar, and under an action of external force, the bus bar and the conductive tab are in contact with or separated from each other to be electrically connected to or disconnected from each other. The bus bar is provided with an elastic bent portion, and under the action of a cover plate, an elastic bent portion of the bus bar and the conductive tab are in contact with or separated from each other to be electrically connected to or disconnected from each other.

Abstract: Disclosed are an anisotropic collector for a lithium-ion battery, and a manufacturing method therefor and an application thereof. The collector is made of a resin material added with spherical metal particles. Conductive particles of the collector in an X-Y direction do not form a sufficient conductive network, but form a good conductive network in a Z direction. While a short circuit occurs, the collector is not easy to activate most of active materials in the X-Y direction so that thermal runaway is not easy to occur, but the collector may fully conduct electricity in the Z direction so that the battery may be normally charged and discharged, thereby improving battery safety.

Abstract: The disclosure provides a battery pack and a battery cell. The battery pack includes a plurality of battery cells, wherein two adjacent battery cells in the plurality of battery cells are connected to each other by a conductive adhesive layer, and each battery cell includes a cathode collector, a cathode layer, a separator, an anode layer and an anode collector which are stacked in a thickness direction; and the plurality of battery cells are sequentially stacked in the thickness direction to form the battery pack, and the battery pack is able to form a current channel in the thickness direction when charged or discharged; wherein the conductive adhesive layer is provided with two opposite main surfaces, one main surface being connected to the cathode collector of one battery cell, and the other main surface being connected to the anode collector of the other battery cell.

Abstract: Disclosed in the present disclosure are a welding-free connector electrically connected to a battery cell, and a lithium ion battery comprising the connector. The connector comprises current collector bars, the current collector bars being clamped with a connecting plate; the connecting plate comprises a back plate and clamping posts fixedly provided at one side of the back plate at intervals, and grooves for clamping with the current collector bars are formed between adjacent clamping posts; a thermal decomposition material layer is coated on the periphery of the clamping posts or the inner side walls of the grooves, and the thermal decomposition material layer is formed by compounding a thermosensitive resin and a modified material; and the back plate and the clamping posts are both made of a high-thermal-conductivity insulating material.

Abstract: The disclosure discloses a latitude-free initial alignment method under a swaying base based on gradient descent optimization. Firstly, swaying base latitude-free alignment is regarded as a Wahba attitude determination problem to inhibit device noise interference, and an objective function is established based on a gravitational acceleration vector under an earth system; then an exact solution of the objective function is obtained through a gradient descent optimization method, and inertial system conversion quaternion estimation is achieved under the latitude-free condition; and finally, an attitude quaternion is determined by only using information of an accelerometer and a gyroscope of a strapdown attitude heading reference system, and therefore latitude-free initial alignment under the swaying base is achieved.

Abstract: A method includes receiving, by a first Bluetooth device, an identity resolving key (IRK) from a server, and generating a resolvable private address based on the IRK. The method further includes sending, by the first Bluetooth device, a broadcast message. The broadcast message includes the resolvable private address. The resolvable private address is successfully verified by a second Bluetooth device pre-configured with the IRK.

Abstract: A processing method includes displaying an indication region including a plurality of representation regions of a plurality of display sub-areas obtained by dividing a plurality of display devices of or connected to an electronic device; in response to an operation on a target object, determining, from the plurality of representation regions, a target representation region to be associated with the target object; and displaying the target object in the display sub-area corresponding to the target representation region.

Abstract: An electronic device includes a first interface configured to obtain a first media data of a first source device; a second interface configured to obtain a second media data of a second source device; a processing device configured to generate a third media data; and an output device configured to output media data. The media data may be the first media data, the second media data, or the third media data. The third media data affects the first media data or the second media data if the third media data and the first media data are simultaneously outputted, or the third media data and the second media data are simultaneously outputted. The processing device is configured to process the first media data and the second media data to obtain a processing result, the processing result being used to generate presentation data indicating correspondences between interfaces and the media data.

Abstract: The present invention provides a method for discovering a Bluetooth device. The method includes: receiving, by a second Bluetooth device, a first broadcast frame of a first Bluetooth device; determining, by the second Bluetooth device, whether the first broadcast frame includes first indication information; and if the first broadcast frame includes the first indication information, sending, by the second Bluetooth device, at least one second broadcast frame within a preset time period after receiving the first broadcast frame, where the second broadcast frame includes second indication information, and the second indication information is used to instruct a Bluetooth device receiving the second broadcast frame to exchange information with the second Bluetooth device.

Abstract: Embodiments of this application disclose a virtual item adjustment method performed at a computing device having a touchscreen. The method including: displaying a virtual object presenting interface on the touchscreen, the virtual object presenting interface comprising a first virtual object and a second virtual object, the first virtual object and the second virtual object being two virtual objects respectively controlled by two different user accounts; receiving a slide operation signal on the touchscreen, the slide operation signal having a start position on the second virtual object and an end position on the first virtual object; and adjusting a virtual item of the first virtual object according to a virtual item of the second virtual object. The embodiments of this application implement the function of adjusting a virtual item of a virtual object only through a slide operation. Therefore, the operation simpler and more efficient.

Abstract: The present invention relates to a case having a thermal barrier layer for a single cell. The composite case comprises a substrate and a double-layer structure coating on the substrate, wherein the double-layer structure coating includes an inner layer containing an aerogel material which has a ultra-low thermal conductivity, and an outer layer containing a barrier material which may prevent an electrolyte solvent from permeating into the inner layer. According to the present invention, the composite case can preserve cases in a prismatic or pouch cell from melting when cell goes to thermal runaway.

Abstract: The present disclosure provides a processing method. The method includes outputting first content in a first display area of a first display device, the first content including an identification object, the edge of the first area being an edge area between the first display area and a second display area of a second display device; receiving a movement instruction for moving the identification object from the first display area to the second display area; and moving the identification object from a first position in the first display area to a second position in the second display area in response to the movement instruction, the first position being a position on the edge of the first area.

Abstract: A 7-azaindole derivative having the structure of formula (I), a pharmaceutical composition containing the compound of formula (I), and uses of the compound in preparing a medicament for preventing or treating Janus kinase (JAK) family-related diseases, specifically, uses in preventing or treating inflammatory diseases related to protein tyrosine kinase.

Abstract: This application discloses an information exchange method performed at a terminal. The method includes: extracting, by the terminal, a biological feature of a target object, the target object controlling, by using a first client running at the terminal, a first virtual object to execute a virtual task; recognizing, by the terminal, a current first emotion of the target object according to the extracted biological feature; determining, by the terminal, to-be-exchanged first interaction information matching the first emotion; and transmitting, by the terminal, the first interaction information to a second client running at a second terminal at which a second virtual object is located and controlled by a second target. The second target controls the second virtual object according to the first interaction information to execute the virtual task jointly with the first virtual object. This application resolves the technical problem of high complexity of exchanging operation in information exchange methods.