Abstract: The present invention relates to a ?LED light-emitting and display device without electrical contact, external carrier injection and mass transfer and a preparation method thereof. The ?LED light-emitting and display device includes one or more light-emitting pixels, and each light-emitting pixel includes a pixel lower electrode, a lower insulation layer, a ?LED chip, an upper insulation layer and a pixel upper electrode from bottom to top, wherein the upper insulation layer and the lower insulation layer prevent the ?LED chip from being in direct electrical contact with the pixel lower electrode and the pixel upper electrode, and the ?LED chip is lit by an alternating electric field through electromagnetic coupling.

Abstract: A cooling jacket, which is cylindrical and has an axial direction and a radial direction. The outer peripheral wall of the cooling jacket is partially recessed to form a channel allowing a cooling fluid to pass, wherein the channel comprises a plurality of straight sections and a plurality of inclined sections, the extending direction of the straight section is perpendicular to the axial direction, the inclined sections are connected to the straight sections to change the direction of the channel, and at least some straight sections connected to two ends of the inclined sections are used for circulating the cooling liquid in opposite directions.

Abstract: The application provides a video search method and a related device/product. The method includes: obtaining a query text and determining a query type; when the query type is an information query, determining a plurality of first reference videos based on the query text and metainformation respectively associated with a plurality of videos in a preset video library, and generating a first search result; when the query type is a question query, determining a plurality of second reference videos based on the query text, the metainformation respectively associated with the plurality of videos, and text content respectively associated with the plurality of videos; and generating a second search result based on the query text and the plurality of second reference videos, wherein the second search result includes a reply text for the query text, and the text content associated with the videos are obtained by performing speech recognition on the videos.

Abstract: The present disclosure relates to a method and device of providing a service, an electronic apparatus, a storage medium and a computer program product, including: collecting external audio data and user motion inertial data; acquiring an audio level corresponding to the external audio data and a motion level corresponding to the user motion inertial data; determining a target scene where the user is currently located based on the acquired audio level, the acquired motion level and a preset correspondence; acquiring an external environment feature value and/or a user behavior feature value in the target scene; and providing the user with a service associated with the external environment feature value and/or the user behavior feature value. In this way, users may be provided with services by comprehensively considering the external audio data and the user motion inertial data, the types of data on which the services are provided based are more abundant, and the data contents are more comprehensive.

Abstract: Disclosed in embodiments of the present disclosure are a method and apparatus for inter-tenant network connection.

Abstract: The present disclosure belongs to the technical field of acupuncture apparatuses and discloses an acupuncture apparatus for a blind method. The acupuncture apparatus includes a treatment needle kit. The treatment needle kit includes a first needle tube and a first descending control component as well as a first depth adjustment component, a first descending component and a treatment needle which are arranged in the first needle tube in sequence from top to bottom. The first descending component drives the treatment needle to move downwards in the first needle tube. The first descending control component is configured to adjust a position of the first descending component in the first needle tube so as to control a descending distance of the treatment needle. The treatment needle kit of the present disclosure can control the descending distance of the treatment needle, so as to achieve controlling over a depth of acupuncture.

Abstract: A method includes inferring a user intent to capture a level image based on user positioning of a camera. Based on the inferred user intent, the method includes causing a viewfinder to enter a level-lock mode, wherein the level-lock mode comprises displaying a preview level image in the viewfinder, wherein the preview level image is rotated based on an orientation of the camera relative to a level orientation. The method further includes receiving a signal indicating to capture an image. Based on the viewfinder being in the level-lock mode, the method includes providing a captured level image, wherein the captured level image is rotated based on the orientation of the camera relative to the level orientation.

Abstract: The present disclosure provides a backlight module and a display device. The backlight module includes a light guide plate, a light source assembly, and a driving circuit. The light guide plate includes a light-emitting surface, a bottom surface opposite to the light-emitting surface, and a lateral surface connecting the light-emitting surface and the bottom surface. A mounting groove is provided on the lateral surface. The light source assembly is arranged in the mounting groove. The driving circuit is electrically connected to the light source assembly. The driving circuit is arranged on at least one of the light-emitting surface and the bottom surface, and the driving circuit is located adjacent to the light source assembly.

Abstract: The disclosure provides a method, apparatus and system for managing a cluster access permission, an electronic device and a computer-readable medium. The disclosure relates to the technical field of cloud computing. A specific implementation scheme of the method comprises: automatically acquiring an access permission policy of a first cluster managed in a plurality of clusters; and acquiring access permission information between the first cluster and one or more second clusters associated therewith that is included in the access permission policy; automatically updating, in a case where it is monitored that resources of the one or more second clusters have changed, the access permission information included in the access permission policy; dynamically managing the plurality of clusters by using the updated access permission information.

Abstract: This disclosure provides a communication method and a communication apparatus. The method is applied to a software baseband architecture receiver, and the method includes: receiving a first signal; allocating a processing resource to the first signal based on parameter information of the first signal, where the processing resource includes at least one of a processing algorithm for channel estimation (CE) or a processing algorithm for multiple-input multiple-output (MIMO) detection; and performing CE and MIMO detection on the first signal based on the processing resource.

Abstract: The present disclosure provides a network anti-replay method and apparatus, an electronic device, and a storage medium. The method includes: according to a current packet number of a currently received data packet, determining a section to which the current packet number belongs in a replay window, with the replay window being divided into sections, and each section being configured to record packet numbers of L received data packets which belong to the section; and L being smaller than T, and T being a total number of packet numbers belonging to the section; and in a case where the current packet number is not coincident with packet numbers recorded in the determined section and the current packet number is not coincident with packet numbers of recently received N historical data packets, performing integrity authentication on the currently received data packet, with N being a natural number greater than 1.

Abstract: In one aspect there is provided a method for providing privacy, where the method is performed by a network node (e.g., gNB) and includes: obtaining a first security parameter (e.g., an encryption key) for use in concealing information (e.g., TSI originating from a TSN) associated with a first network (e.g., a first NPN); receiving information transmitted by a node (e.g., a node within the TSN); concealing the information using the obtained security parameter (e.g., encrypting the TSI using the encryption key), thereby generating concealed information; including the concealed information in a SIB; and broadcasting the SIB over the air.

Abstract: A disulfide cross-linked hyaluronic acid gelatin for postoperative abdominal (pelvic) adhesion prevention and a preparation method therefor, wherein the content of disulfide cross-linked hyaluronic acid of the disulfide cross-linked hyaluronic acid gelatin is among 3-8mg/mL. The disulfide cross-linked hyaluronic acid gelatin not only has favorable biocompatibility, but also has favorable prevention effects on tissue adhesions when being used for postoperative abdominal (pelvic) adhesion prevention.

Abstract: Systems and methods are disclosed for measuring Round Trip Time (RTT) and, in some embodiments, one-way latency between nodes of a cellular communications system. In one embodiment, a method performed by an observation function comprises observing, at a first time in a first direction of a communication path between first and second nodes of a cellular communications system, a packet with a first latency spin bit at or above a Packet Data Convergence Protocol (PDCP) layer set to a first value and storing the first time. The method further comprises observing, at a second time in the first direction of the communication path between the first and second nodes, a packet with the first latency spin bit set to a second value and storing the second time. The method further comprises computing a RTT as a difference of the second time and the first time.

Abstract: In accordance with an embodiment, A device includes: a first node configured to be coupled to a component to be tuned; a second node configured to be coupled to an inductor; a path including a capacitor coupling the first node and the second node; and a first switch coupled between the second node and a ground node.

Abstract: A magnetic resonance imaging system and a coil positioning method therefor are provided. The method includes: detecting an edge position of a radio frequency coil, wherein at least a portion of the radio frequency coil is located in the maximum scan field of view of a magnetic resonance imaging system; and determining, according to the edge position, a second distance by which a table is to be moved, wherein after the table is moved by the second distance, the center position of the radio frequency coil is aligned with a scan center.

Abstract: A method and system are provided for detecting an object within a predetermined region around a magnetic resonance imaging device. The method comprises: acquiring an image captured for a space where the magnetic resonance imaging device is located, the image including an edge of at least a portion of the predetermined region around the magnetic resonance imaging device; performing object detection according to the image; and determining, according to a result of the object detection and position information of at least the portion of the predetermined region, whether the object exists within the predetermined region. This approach enables detection of an object within a restricted region of a magnetic resonance imaging device, thereby achieving safety monitoring of the environment around the magnetic resonance imaging device.

Abstract: A connection method for an audio playback apparatus group, the audio playback apparatus group including a first audio playback apparatus and a second audio playback apparatus each sharing a first address and a second address, and the connection method including establishing a first connection between the first audio playback apparatus and the second audio playback apparatus using the first address, the first connection being based on a first Bluetooth mode, establishing, by the first audio playback apparatus, a second connection and a third connection with a first audio source device using the second address, the second connection being based on the first Bluetooth mode, and the third connection being based on a second Bluetooth mode, and establishing, by the second audio playback apparatus, a fourth connection with the first audio source device using the first address, the fourth connection being based on first Bluetooth mode.

Abstract: A motion control system includes a control platform, and at least one mobile device. The control platform communicates with each mobile device via at least two communication links. The control platform is configured to generate an emergency stop instruction in a case that it is detected that a safety event has been triggered, and transmit the emergency stop instruction to the mobile device via a first communication link. The emergency stop instruction complies with a preset safety communication protocol, and the first communication link is a communication link with the preset safety communication protocol among the at least two communication links. The mobile device is configured to receive the emergency stop instruction via the first communication link, parse the emergency stop instruction by using the preset safety communication protocol, and execute a shutdown operation according to a parsing result.

Abstract: An ablation catheter and an ablation system are provided. The ablation catheter includes a sheath and an ablation assembly. The ablation assembly is disposed at a distal end of the sheath for performing ablation and isolation on a target tissue area. The ablation system includes the ablation device and a mapping device, the mapping device includes a mapping electrode arranged at a distal end of the ablation catheter, and the mapping electrode is used for collecting electrophysiological signals in the target tissue area.