Abstract: An electronic device may include: memory storing at least one instruction; cache memory storing cache data; a communication interface; and at least one processor operatively connected to the memory, the cache memory, and the communication interface. The at least one processor is configured to execute the at least one instruction to: receive a request to fetch network data provided by a server; compare expected network response performance indicating a time expected for fetching the network data from the server with expected cache response performance indicating a time expected for retrieving cache data corresponding to the network data from the cache memory, to determine which of the network data or the cache data is associated with a higher operating speed of an application; and execute the application using the obtained data.

Abstract: A method and a system for PET imaging may be provided. PET data of a subject collected by a PET scan of the subject and a physiological signal relating to a physiological motion of the subject during the PET scan may be obtained. Gated PET images corresponding to physiological phases of the subject may be generated based on the PET data and the physiological signal. Further, for each physiological phase, a first attenuation map of the subject corresponding to the physiological phase may be generated based on the gated PET image corresponding to the physiological phase, and an attenuation corrected gated PET image corresponding to the physiological phase may be generated based on the first attenuation map and a portion of the PET data corresponding to the physiological phase. A target PET image corresponding to a reference physiological phase may be generated based on the attenuation corrected gated PET images.

Abstract: A continuous and fully-automatic energy-saving production line and method for vacuum glass are provided. The production line includes conveying roller tables that run through the entire production line, and includes a feeding platform, a low-vacuum pumping chamber, a high-vacuum pumping chamber, a main processing chamber, a high-vacuum automatic cooling chamber, a first-stage boosting and automatic cooling chamber, and a second-stage boosting and automatic cooling chamber in sequence.

Abstract: According to the present disclosure, a query information processing method of a database performed on a computing device includes: pre-building a plaintext index corresponding to a fully homomorphic encrypted structured database; generating an encryption index by homomorphically encrypting the plaintext index; identifying query information requested from a client; indexing the encryption index in response to the query information; acquiring search result data through a homomorphic operation corresponding to a result value indexed by the encryption index; and providing the search result data to the client.

Abstract: The present invention provides a bluetooth headset-based voice translation system including: a first translation bluetooth headset, a second translation bluetooth headset, an audio signal processing center and a translation module. The audio signal processing center includes a Fourier-transform module, a signal cross-correlation processing module, a judgment module and a gain module. Time-frequency signal processing and signal cross-correlation processing are respectively performed on first and second audio signals respectively collected by the first and second translation Bluetooth headsets, thereby determining a sound source position and performing gain processing on the first and second audio signals. Finally, the translation module performs recognition and translation. The present invention further provides a bluetooth headset-based voice translation method.

Abstract: Disclosed are a device and a method for user authentication using a security card. The device comprises: a card reader which acquires a face image stored in the card; an infrared light source which emits infrared rays toward a user; an infrared camera which acquires an infrared image including the facial region of the user; a color camera which acquires a color image including the facial region of the user; and a control unit which determines a result of user authentication on the basis of at least one of the infrared image, the color image, and the face image, and generates a control. The control unit performs a liveness test and determines a result of face authentication on the basis of information about the facial region shown in at least one of the color image and the infrared image and on the basis of the face image.

Abstract: A method for conducting a read-verification operation on a target memory cell in a three-dimensional (3D) memory device includes removing fast charges of the target memory cell at a read-prepare step and measuring a threshold voltage of the target memory cell at a sensing step. Removing the fast charges of the target memory cell includes applying a prepare voltage (Vprepare) on an unselected top select gate (Unsel_TSG) of an unselected memory string, applying a first off voltage (Voff) on a selected word line (Sel_WL) associated with the target memory cell, and applying a pass voltage (Vpass) on an unselected word line (Unsel_WL).

Abstract: A multilayer electronic component according to an example embodiment may include: a body including dielectric layers and internal electrodes; and an external electrode including a connection portion, and a band portion extending from the connection portion, wherein the external electrode may include an electrode layer connected to the internal electrode and including a first conductive metal and glass, a conductive resin layer disposed on the electrode layer and including a second conductive metal and a resin, and a silver (Ag) coating layer disposed between an electrode layer and a conductive resin layer of the band portion, and an average thickness of the silver (Ag) coating layer may be 2 ?m or more and 5 ?m or less.

Abstract: Disclosed are a bidirectional counter and a method of generating output data. The bidirectional counter may include at least one first flip-flop configured to generate, based on at least one first local clock, at least one first bit including a least significant bit (LSB) of the output data and a second bit that is an upper bit of the at least one first bit, and a local clock generation circuit configured to generate, in response to an up signal that is activated, the at least one first local clock based on the input clock and the at least one first bit, and to generate, in response to the up signal that is deactivated, the at least one first local clock based on the input clock and at least one inverted first bit.

Abstract: A method of decoding motion information may include: obtaining, from a bitstream, change information indicating whether to change motion information of a neighboring block; when the change information indicates a change of the motion information and a higher block is able to use one reference picture list, identifying the number of pictures included in the reference picture list of the current block; selecting, as a reference picture of the current block, a reference picture of the neighboring block based on the number of pictures; when the reference picture of the neighboring block is selected as the reference picture of the current block, obtaining a motion vector of the current block by applying an offset to a motion vector of the neighboring block; and reconstructing the current block by using a reference block indicated by the motion vector of the current block in the reference picture of the current block.

Abstract: The present disclosure discloses an acoustic device and a support assembly thereof. The support assembly may include a shell configured to provide a space for accommodating one or more components of the acoustic device. The support assembly may further include an interaction assembly configured to realize an interaction between a user and the acoustic device, wherein the interaction assembly include a first component and one or more second components, in response to receiving an operation of the user, the first component is configured to trigger at least one of the one or more second components to cause the acoustic device to perform a function corresponding to the at least one of the one or more second components.

Abstract: Provided in the present disclosure are a method and device for configuring an uplink gap, and a readable storage medium, which are applied to the technical field of wireless communications. The method is performed by a user device and includes: receiving uplink gap (ULgap) configuration information from a network device, where the ULgap configuration information indicates a gap in which the user device is prohibited from scheduling uplink information when an uplink signal is interfered with by an In Device Coexistence (IDC) signal.

Abstract: A printed circuit board includes a first wiring portion including a plurality of first wirings, a first integrated circuit chip connected to one side of the first wiring portion, the first integrated circuit chip configured to convert N signals into one signal, where N is a natural number, a second integrated circuit chip connected to an opposite side of the first wiring portion, the second integrated circuit chip configured to convert one signal into N signals, a second-first wiring portion connected to the first integrated circuit chip, the second-first wiring portion including a plurality of second-first wirings, and a second-second wiring portion connected to the second integrated circuit chip, the second-second wiring portion including a plurality of second-second wirings. X and Y1 satisfy Y1/N<X, in which X is the number of the plurality of first wirings and Y1 is the number of the plurality of second-first wirings.

Abstract: Provided a semiconductor memory device. The semiconductor memory device comprises a cell structure, and a peripheral circuit structure electrically connected to the cell structure. The cell structure includes a plurality of gate electrodes stacked in a vertical direction and spaced apart from each other in the vertical direction, a channel structure penetrating the plurality of gate electrodes in the vertical direction, and a bit-line connected to the channel structure. The peripheral circuit structure includes an active area, a gate structure on the active area, the gate structure intersecting the active area, a source/drain area on at least one side of the gate structure and in the active area, an insulating spacer covering the gate structure, a conductive spacer on a sidewall of the insulating spacer and electrically connected to the source/drain area, and a contact electrically connected to the conductive spacer.

Abstract: A semiconductor structure includes a gate structure on a substrate and a spacer on the substrate and covering sidewalls of the gate structure. The gate structure includes an interfacial layer on the substrate, a high-k dielectric layer on the interfacial layer, and a metal portion on the high-k dielectric layer. The spacer covers sidewalls of the interfacial layer, the high-k dielectric layer, and the metal portion of the gate structure. A bottom width of a portion of the spacer on the sidewall of the interfacial layer is 1.1 times of a middle width of another portion of the spacer on the sidewall of the metal portion.

Abstract: A display panel and a display device are provided. The display panel includes a substrate, a light-emitting layer, a first refractive layer including openings and first grooves and a second refractive layer filling the openings. A refractive index of the second refractive layer is greater than a refractive index of the first refractive layer. The first groove comprises solid units spaced apart and interconnected microgrooves, each of the microgrooves is disposed between every adjacent two of the solid units, and the second refractive layer fills the microgrooves and covers the solid units.

Abstract: The present application provides a display module and a display device, the display module includes a bending zone and a non-bending zone which are adjacently arranged; the display module includes a flexible screen and a support component which are laminated, and the support component is located on a backlight side of the flexible screen; the support component is provided with a first groove, and the first groove is located on a side of the bending zone close to the non-bending zone. The first groove may reduce the rigidity of the support component on the side of the bending zone close to the non-bending zone and alleviate the crease in the support component, preventing the crease of this part of the support component from being too sharp and thus alleviating the crease of the display module.

Abstract: A semiconductor device may include a gate stack including conductive patterns and interlayer insulating patterns, which are alternately stacked with each other, a channel layer surrounded by the gate stack, a memory layer surrounding the channel layer, a source structure electrically connected to the channel layer, and an insulating pattern between the memory layer and the source structure. The memory layer and the source structure are spaced apart from each other, and the insulating pattern is in contact with the channel layer, the memory layer, and the source structure.

Abstract: A Chinese herbal medicine extract, a method for preparing the same, and a use of the same are disclosed. The Chinese herbal medicine extract includes an active ingredient, which contains any one of or any combination of agarwood, Chinese honeylocust fruit, Chinese honeylocust spine, cinnamon leaf, and camphor leaf. Medication based on the Chinese herbal medicine extract is useful in treating coronavirus-related symptoms or diseases.

Abstract: A medical multi-lumen tube includes a plurality of inner layer tubes and an outer layer tube covering the plurality of inner layer tubes. The outer layer tube has a first region and a second region placed in the axial direction of the outer layer tube and formed of resins having properties different from each other, and the resin of one of the regions enters the other region, so as to form a wave pattern in a joint part between the first region and the second region.