Abstract: Embodiments of the present application provide a head coil for a magnetic resonance system. The head coil comprises a coil support body, and a coil unit disposed on the coil support body. The coil unit comprises a first end ring and a second end ring. The centers of the first end ring and the second end ring are opposite to each other, and the inner diameter of the second end ring is less than the inner diameter of the first end ring. The coil unit further comprises a plurality of conductive portions connecting the first end ring and the second end ring, each of the conductive portions including a first extension portion extending from the first end ring along a first direction, and a second extension portion extending from the second end ring along a second direction.

Abstract: A magnetic resonance imaging system, and a radio-frequency signal processing method and radio-frequency coil therefor are provided. The method comprises: receiving, via a radio-frequency coil, a radio-frequency pulse transmitted from a transceiver coil to generate a radio-frequency field that excites a subject to be examined; and sending, via the radio-frequency coil, a magnetic resonance signal received from the subject to be examined to the transceiver coil, wherein the radio-frequency coil and the transceiver coil are electromagnetically coupled.

Abstract: A refrigeration system and a refrigeration device are provided. The refrigeration system includes a circulation circuit. The circulation circuit includes a main flow path, and a first branch and a second branch that are connected to the main flow path and are connected in parallel. The main flow path is provided with a condenser and a compressor. The condenser has an output end in communication with an end of the first branch and an end of the second branch. The compressor has two suction holes in communication with another end of the first branch and another end of the second branch, respectively. The first branch and the second branch are provided with a first evaporator and a second evaporator, respectively.

Abstract: Methods, network nodes, and computer readable storage media for supporting Ethernet bridging in a user plane are disclosed. The method performed by a first network node capable of an Ethernet bridging function includes: obtaining information on frame detection and forwarding rules for an Ethernet PDU session; and performing detection and forwarding operations on a frame according to the frame detection and forwarding rules.

Abstract: A compressor and a refrigeration device are provided. The compressor includes a cylinder body and a piston assembly. The cylinder body has a first air suction hole at a cylinder cover of the cylinder body. The piston has a top dead center located close to the cylinder cover of the cylinder body and a bottom dead center located away from the cylinder cover of the cylinder body in a movement stroke. A distance between the top dead center and the bottom dead center is S. The cylinder body or the piston has a second air suction hole. The second air suction hole is configured to connect to the operating cavity when the piston moves to a predetermined position. The distance between the piston at the predetermined position and the top dead center is L1, where L1>0.5 S.

Abstract: A low-boron-content high-performance alkali-free glass fiber composition is provided The low-boron-content high-performance alkali-free glass fiber composition includes the following components in mass percentages: 52% to 60% of SiO2, 11% to 15% of Al2O3, 2% to 6% of B2O3, 18% to 25% of CaO, 1% to 3% of MgO, 0.1% to 0.6% of Fe2O3, 0.1% to 2.5% of TiO2, 0.3% to 0.6% of a fluoride, 0.05% to 0.75% of K2O, 0.05% to 0.75% of Na2O, and 0.1% to 3% of XO, where the XO includes one or more of FeO, SeO2, BeO, La2O3, and CeO2. While reducing the boron content, the provided adjusts the glass composition to ensure the stability of melting and forming conditions of the glass fiber composition without compromising the performance of a product of the glass fiber composition, and to enable the improved light transmittance and the reduced dielectric constant.

Abstract: A high-density One-Time Programmable (OTP) memory including an array formed by arranging a predetermined number of memory cells is provided. A memory cell includes: an anti-fuse storage Metal Oxide Semiconductor (MOS) transistor, a voltage division MOS transistor, and a selection MOS transistor. The voltage division MOS transistor includes a source region with a second conductivity type, a drain region with a second conductivity type and a substrate with a first conductivity type, where the source region of the voltage division MOS transistor includes a second conductivity type region and a second-conductivity-type lightly doped region, the drain region only has a second conductivity type region, doping concentrations of the second conductivity type regions in the source region and the drain region are the same, and a doping concentration of the second-conductivity-type lightly doped region is lower than that of the second conductivity type region.

Abstract: A high- and low-pass network circuit with integrated amplitude-phase regulation, including a high- and low-pass network phase-shift unit circuit and amplitude modulation unit subcircuits each including an amplitude modulation switch transistor and a resistor connected in parallel. The high- and low-pass network phase-shift unit circuit includes high-pass and low-pass network subcircuits. A first end of the high-pass network subcircuit is connected to a first end of the low-pass network subcircuit through phase modulation switch transistors M1 and M3. A second end of the high-pass network subcircuit is connected to a second end of the low-pass network subcircuit through phase modulation switch transistors M2 and M4. Body ends of M1 and M2 are connected through two amplitude modulation unit subcircuits. Body ends of M3 and M4 are connected through another two amplitude modulation unit subcircuits. A method for controlling such network circuit is also provided.

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.