Abstract: A display apparatus and an electronic device relating to the field of display technologies are provided. The display apparatus includes: a first housing, one end of which includes an opening; a second housing slidably connected to the first housing and configured to slide out of a cavity of the first housing via the opening of the first housing; a flexible display screen configured to slide out of the cavity of the first housing along with the second housing when the second housing slides out of the cavity of the first housing; and at least one elastic assembly configured to provide an elastic force to the second housing when the second housing slides out of the cavity of the first housing so that a second lateral outer surface is kept flush with the first lateral outer surface.

Abstract: Systems, methods, computer program products, and apparatuses to determine, by a neural network based on training data related to wireless signals exchanged by a device and a plurality of wireless access points in an environment, a respective distance between the device and each wireless access point, receive location data related to a respective location of each wireless access point of the plurality of wireless access points, determine a geometric cost of the neural network based on a geometric cost function, the respective distances, and the received location data, and train a plurality of values of the neural network based on a backpropagation and the determined geometric cost.

Abstract: Embodiments of this application disclose a mirror control method and device and a LiDAR, pertaining to the field of LiDAR. The method includes: outputting a control signal configured to control a mirror to scan; detecting a feedback signal of the scanning mirror; determining an actual amplitude gain of the mirror based on the feedback signal, and determining an error of the actual amplitude gain relative to a preset amplitude gain threshold; and determining a frequency adjustment based on the error, adjusting frequency based on the frequency adjustment, and obtaining an output signal. In the embodiments of this application, stability of a scanning angle of the mirror can be maintained when resonance frequency of the mirror deviates.

Abstract: A power conversion circuit for an uninterruptible power system, including an inductor, a first capacitor, a second capacitor, a first switch, a second switch, a third switch, a first diode, a second diode, and a third diode body, is provided. A terminal of the second switch is electrically coupled to the inductor through the first switch, and another terminal of the second switch is electrically coupled to a neutral wire and the third switch. An anode and a cathode of the first diode are electrically coupled to the first switch and a positive DC bus, respectively. A cathode and an anode of the second diode are electrically coupled to the first switch and the third switch, respectively. A cathode and an anode of the third diode are electrically coupled to the third switch and a negative DC bus, respectively. In addition, an uninterruptible power system using the same is provided.

Abstract: Provided are a quantum dot material, a preparation method and use thereof. The quantum material includes a quantum dot, and a first cladding layer and a second cladding clad outside of the quantum dot, wherein the first cladding layer is located between the quantum dot and the second cladding layer. The quantum dot material provided herein has good water and oxygen barrier properties and good stability.

Abstract: A method of altering a eukaryotic cell is provided including transfecting the eukaryotic cell with a nucleic acid encoding RNA complementary to genomic DNA of the eukaryotic cell, transfecting the eukaryotic cell with a nucleic acid encoding an enzyme that interacts with the RNA and cleaves the genomic DNA in a site specific manner, wherein the cell expresses the RNA and the enzyme, the RNA binds to complementary genomic DNA and the enzyme cleaves the genomic DNA in a site specific manner.

Abstract: Disclosed are a method and a device for controlling flow of liquid zinc (2) in a zinc pot (1) for hot-dip galvanization. Under the blowing effects of an air knife above the zinc pot (1) for hot-dip galvanization onto strip steel (3), the liquid zinc (2) diffuses and flows outwards to zones (zones I, II, III and IV) comprising the left side, the right side, the front end of the zinc pot, respectively, and a zone between the strip steel (3) and a furnace snout (4), and surface dross rapidly generated on the surface of the liquid zinc (2) is driven to flow outwards to the zones (zones I, II, III and IV). On edge sides of the zones (zones I, II, III and IV), travelling magnetic field generators (71, 72, 73, 74, 75, 76, 77, 78, 712, 756) are arranged in multiple sections above the surface of the liquid zinc (2) in the zinc pot (1), so as to excite a travelling magnetic field to generate an electromagnetic driving force on the liquid zinc (2) to drive the flow of the liquid zinc (2).

Abstract: An intelligent user manual system for vehicles includes: a digital manual database; an input module including a voice input device which is configured to receive a voice input of the user; a recognition module communicatively connected with the input module and configured to recognize a query instruction input by the user via the input module; a processor module communicatively connected with the recognition module and the manual database and configured to perform a checking operation based on the user's query instruction that has been recognized by the recognition module; and an output module communicatively connected with the processor module and configured to output content to the user that has been obtained by the processor module.

Abstract: The present disclosure provides a compound having a formula (I): where A represents a nitrogen-containing heteroaromatic ring substituent; and L is one or more selected from a single bond, substituted or unsubstituted C1-C12 alkyl, substituted or unsubstituted C3-C8 cycloalkyl, substituted or unsubstituted C1-C8 alkoxy, substituted or unsubstituted C3-C8 heterocyclyl, substituted or unsubstituted C6-C40 aryl, and substituted or unsubstituted C4-C40 heteroaryl.

Abstract: An exemplary method for reading data stored in a flash memory includes: selecting an initial gate voltage combination from a plurality of predetermined gate voltage combination options; controlling a plurality of memory units in the flash memory according to the initial gate voltage combination, and reading a plurality of bit sequences; performing a codeword error correction upon the plurality of bit sequences, and determining if the codeword error correction successful; if the codeword error correction is not successful, determining an electric charge distribution parameter; determining a target gate voltage combination corresponding to the electric charge distribution parameter by using a look-up table; and controlling the plurality of memory units to read a plurality of updated bit sequences according to the target gate voltage combination.

Abstract: Disclosed is a waterproof substrate, including: two mounting surfaces disposed facing away from each other; and at least one waterproof protrusion provided on at least one of the two mounting surfaces and including: a protrusion body connected with the mounting surface, and one end of the protrusion body away from the waterproof substrate includes a connecting end surface; and at least two waterproof ribs, and each of the waterproof ribs is provided on the connecting end surface respectively and is gradually inclined outwardly in a direction away from the connecting end surface respectively.

Abstract: A semiconductor device includes a semiconductor fin protruding from a substrate, a gate electrode over the semiconductor fin, a gate insulating layer between the semiconductor fin and the gate electrode, source and drain regions disposed on opposite sides of the semiconductor fin, a first stressor formed in a region between the source and drain regions. The first stressor including one material selected from the group consisting of He, Ne, and Ga.

Abstract: The present invention provides 18F-labeled amino acids or derivatives thereof having formula (I) and methods of making same, which can be suitable for PET imaging:

Abstract: A method for transmitting and receiving HARQ-ACK information in a wireless communication system and a device therefor are disclosed. Specifically, a method of transmitting, by a user equipment (UE), HARQ-ACK information in a wireless communication system comprises receiving first downlink control information (DCI) based on a first control resource set group and second DCI based on a second control resource set group; determining a physical uplink control channel (PUCCH) resource for a transmission of the HARQ-ACK information; and transmitting the HARQ-ACK information based on the determined PUCCH resource, wherein the first DCI and the second DCI are indexed based on (i) an index of a physical downlink control channel (PDCCH) related monitoring occasion, (ii) a cell index, and (iii) an index associated with each control resource set group, and wherein the PUCCH resource is determined based on a last DCI among the first DCI and the second DCI.

Abstract: A computing device create a user interface application. A user interface (UI) tag is read in a UI application. The UI tag is executed to identify a UI template tag. The identified UI template tag is executed to define a top-level container initializer for the UI application and to define a plurality of widget initializers for inclusion in a top-level container rendered using the top-level container initializer. The top-level container is rendered in a display using the top-level container initializer. Each widget of a plurality of widgets in the rendered top-level container is rendered using the defined plurality of widget initializers to create a UI.

Abstract: Copy and scan printing may include scanning, by scanner disposed along a paper path between a paper delivery roller and a paper pickup roller, content of documents (302). Further, copy and scan printing may include determining whether the documents are to be copied (304), in response to a determination that the documents are to be copied, determining whether a page count of the documents to be copied is available (306), and generating copies of the documents (310).

Abstract: An electronic device and a method for controlling the same are provided. The electronic device includes a microphone, a memory storing at least one instruction and dialogue history information, and a processor configured to be connected to the microphone and the memory and control the electronic device, in which the processor, by executing the at least one instruction, is configured to, based on a user's voice being input via the microphone, obtain response information for generating a response sentence to the user's voice, select at least one template phrase for generating the response sentence to the user's voice based on the stored dialogue history information, generate the response sentence using the response information and the at least one template phrase, and output the generated response sentence.

Abstract: Drainage devices and microactuator systems adapted to be incorporated into drainage devices to provide a self-clearing capability for reducing obstructions in the drainage devices and/or a self-monitoring capability to confirm the overall operating condition of the drainage devices and their microactuators. Such a microactuator system includes a microactuator having a base, a cantilever comprising a flexure extending from the base and a plate structure at a distal end of the flexure, a sensing element on the flexure for sensing deflection of the cantilever, and a device for inducing an oscillating deflection of the cantilever relative to the base.

Abstract: The present invention relates to applications of a novel thiazole derivative in treating ulcerative colitis and in the preparation of drugs for treating ulcerative colitis.