Abstract: Embodiments of the present disclosure provide a positioning method and apparatus, and a readable storage medium, relating to the technical field of communications. The method includes: obtaining a first timing error group configuration parameter; receiving the first reference signal to obtain first positioning measurement value, and determining first receiving timing errors of the first positioning measurement value; dividing the first receive timing errors into groups according to the first timing error group configuration parameter to obtain at least one first receive timing error group for positioning a UE. The first reference signal includes one of a positioning reference signal and a sounding reference signal; and the first positioning measurement value is used to represent a distance between a transmitting end and the receiving end of the first reference signal.

Abstract: Disclosed are a synchronization mechanism and a foldable terminal. In the synchronization mechanism, a first rotating component and a second rotating component are in transmission connection by using a first worm, a worm gear, and a second worm that are sequentially meshed, thereby implementing the synchronous rotation of the first rotating component and the second rotating component relative to a base. In addition, when the synchronization mechanism is applied to the foldable terminal, since an axial direction of the worm gear and a radial direction of the first worm and the second worm are consistent with a thickness direction of the body, and an axial size of the worm gear and radial sizes of the first worm and the second worm are relatively small, which is conducive to the light and thin design of the foldable terminal.

Abstract: The present disclosure relates to the technical field of wireless communications. Provided are a resource selection method and a terminal device. The method comprises: a terminal device acquiring resource occupancy information of another terminal device according to at least one sensing step length, and selecting a target resource from among candidate resources on the basis of the acquired resource occupancy information.

Abstract: A double-sided sound device includes a first vibration system, a second vibration system, and a magnetic circuit system, and the second vibration system is disposed at a lower side of the first vibration system. The magnetic circuit system includes an inner magnet part, an outer magnet part, and non-magnetically conductive connectors. The inner magnet part includes a first inner pole core, two first inner magnetic steels, a second inner magnetic steel, and a second inner pole core. The outer magnet part includes a first outer pole core, a second outer pole core, and outer magnetic steels. The non-magnetically conductive connectors connect the second outer pole core and the first inner pole core. The double-sided sound device reduces a product size, and further reduces material costs.

Abstract: A method includes sending, by a first device to a second device, a first request identifying a first caller, identifying a callee, and comprising indication information of a first service; running, by the second device in response to the first request, a first instance in a first sandbox; sending, by a third device to the second device, a second request identifying a second caller, identifying the callee, and comprising indication information of a second service; and running, by the second device in response to the second request, a second instance in a second sandbox, where the second instance is of the callee and provides the second service to the second caller, and where the second sandbox is different from the first sandbox.

Abstract: A method for signaling an improved receive (Rx) performance report of victim bands includes: configuring a signaling message to indicate the improved Rx performance report, and sending the signaling message. The improved Rx performance report includes information of K improved Rx performance indicators being only a subset of M improved Rx performance indicators of a user equipment (UE), where K and M are positive integers, M is larger than K, and K is not smaller than one.

Abstract: A light-emitting device includes: an epitaxial structure having a first surface and a second surface opposite to the first surface, and including a first type semiconductor layered unit that includes a first type window layer and a first type ohmic contact layer disposed at one side of the first type window layer; an active layer; and a second type semiconductor layered unit. The first type window layer is disposed between the first type ohmic contact layer and the active layer. The first type ohmic contact layer contains a material represented by Alx1Gay1InP, where 0?x1?1, 0?y1?1. The first type window layer contains a material represented by Alx2Gay2InP, where 0<x2?1, 0?y2?1. The first type ohmic contact layer has an Al content lower than an Al content of the first type window layer. A light-emitting apparatus that includes a light-emitting device according to the disclosure is also disclosed.

Abstract: The present disclosure provides one embodiment of a semiconductor structure. The semiconductor structure includes a semiconductor substrate having a first region and a second region; a first semiconductor mesa formed on the semiconductor substrate within the first region; a second semiconductor mesa formed on the semiconductor substrate within the second region; and a field effect transistor (FET) formed on the semiconductor substrate. The FET includes a first doped feature of a first conductivity type formed in a top portion of the first semiconductor mesa; a second doped feature of a second conductivity type formed in a bottom portion of the first semiconductor mesa, the second semiconductor mesa, and a portion of the semiconductor substrate between the first and second semiconductor mesas; a channel in a middle portion of the first semiconductor mesa and interposed between the source and drain; and a gate formed on sidewall of the first semiconductor mesa.

Abstract: A semiconductor device structure is provided. The semiconductor device structure includes a substrate having a first side and a second side opposing the first side, a source/drain epitaxial feature disposed adjacent the first side of the substrate, wherein the source/drain epitaxial feature comprises a first epitaxial layer, a second epitaxial layer in contact with the first epitaxial layer, and a third epitaxial layer having sidewalls surrounded by and in contact with the second epitaxial layer. The device structure also includes a first silicide layer in contact with the substrate, the first, second, and third epitaxial layers, a first source/drain contact extending through the substrate from the first side to the second side, and a first metal capping layer disposed between the first silicide layer and the first source/drain contact.

Abstract: Disclosed is a method for preparing hydrogen-rich fuel gas, including adding aluminum smelting waste residues into medium strong acid and soaking for 2-4 h, filtering and baking an obtained precipitate at 300-400° C. for 3-6 h to obtain pre-treated aluminum smelting waste residues; adding the waste residues into weak acid and performing ultrasonic treatment, performing centrifugal separation on an aluminum ash solution, baking for 3-6 h at a constant temperature of 400-500° C. in an air atmosphere, and naturally cooling to room temperature to obtain a cracking catalyst; uniformly mixing the cracking catalyst and biomass with a mass ratio of 1:1 and adding into a first-stage pyrolyzing furnace under N2 atmosphere, and heating from room temperature to 500-900° C. to obtain first-stage pyrolysis gas; and entering the first-stage pyrolysis gas into a second-stage pyrolyzing furnace for secondary catalytic cracking, so as to obtain hydrogen-rich fuel gas.

Abstract: Methods, devices and storage media are provided for object dragging implemented at an electronic device. One of the methods includes establishing a connection between a first operating system and a second operating system; in response to a drag operation by a user on a target object in a first application in the first operating system, obtaining position information corresponding to the drag operation; in accordance with a determination that an application window corresponding to the position information belongs to a window of a second application in the second operating system, and that a drag release operation by the user on the target object is received, controlling the first application to send drag data of the target object to the second application; and performing, based on the drag data, a target operation on the target object in the second application.

Abstract: A three-dimensional (3D) scene is generated from non-aligned generic camera priors by producing a tri-plane representation for an input scene received in random latent code, obtaining a camera posterior including posterior parameters representing color and density data from the random latent code and from generic camera priors without alignment assumptions, and volumetrically rendering an image of the input scene from the color and density data to provide a scene having pixel colors and depth values from an arbitrary camera viewpoint. A depth adaptor processes depth values to generate an adapted depth map that bridges domains of rendered and estimated depth maps for the image of the input scene. The adapted depth map, color data, and scene geometry information from an external dataset are provided to a discriminator for selection of a 3D representation of the input scene.

Abstract: A pharmaceutical formulation which comprises ceralasertib, dibasic calcium phosphate, microcrystalline cellulose, low-substituted hydroxypropyl cellulose and magnesium stearate is described.

Abstract: A torque-adaptive impact tool suitable for a PDC (Polycrystalline Diamond Compact) bit is provided, which includes a PDC bit, a rotary-driving power device, and a torque-adaptive impact tool above the PDC bit. The torque-adaptive impact tool is located between the PDC bit and the rotary-driving power device, includes an outer housing, an upper end cover, a main shaft, an elastic element, an upper impact body, and a lower impact body. In a case of a normal operation of the bit, the tool does not impact the bit, but rotates along with the rotary-driving power device for drilling. In a case that a rock-breaking torque required by the bit exceeds a driving torque, the tool impact the bit.

Abstract: Ruggedized particles or live cells are provided. The particles or cells comprise a cross-linked matrix of nucleic acid and/or nucleic acid analog nanostructures forming a shell about the particle or cell. Methods of making and using the ruggedized particles or live cells are provided. The ruggedized particles or cells may be decorated with environmental sensors, for example, which are prepared from nucleic acid and/or nucleic acid analog nanostructures and may include a FRET pair.

Abstract: A method and an apparatus for monitoring energy storage cell abnormality, an electronic device, and a medium are provided. The method includes: obtaining valid state data of a first cell in a battery module at a preset time; obtaining a discrete statistical state characteristic of the first cell based on the valid state data of the first cell; calculating distances between the discrete statistical state characteristic of the first cell and discrete statistical state characteristics of each remaining cells in the battery module separately, averaging the set of distances, to obtain a distance characteristic associated with the first cell; and determining whether the first cell is abnormal based on the distance characteristic of the first cell. Consistency monitoring of each cell in the battery module is implemented based on the state data of each cell, so that an early warning indicative of a possible fault can be issued.

Abstract: A method for preparing V-type porous starch includes: mixing starch and a first ethanol solution in a reaction kettle, adding concentrated hydrochloric acid to the reaction kettle for acidity regulation, and controlling a temperature of a reaction system in the reaction kettle at 80-150° C.; cooling the reaction kettle, and adding a sodium hydroxide solution to the reaction system in the reaction kettle, until a pH of a mixture in the reaction kettle is neutral, to yield a starch solution; and centrifuging the starch solution, washing a collected precipitate with a second ethanol solution, leaching, drying, cooling, and pulverizing, to yield V-type porous starch.

Abstract: A system 300 for determining predicted component concentrations of a target mixture is described in an embodiment. The system 300 comprises a mid-infrared waveguide sensor 302 configured to measure absorption spectra and a computer 304.

Abstract: Provided in the present invention is a method for preparing chiral alkyl compounds by the asymmetric hydrogenation reaction of iron complex catalysts catalysing olefins: using the disubstituted olefin shown in formula I as a raw material, atmospheric hydrogen as a hydrogen source, FeX2-8-OIQ complex as a catalyst, and a silane compound and acetonitrile as cocatalysts, and reacting for 12-24 hours under the action of a reducing agent to prepare the chiral alkyl compound shown in formula II. The method of the present invention has mild reaction conditions, simple operation, and high atom economy. In addition, the reaction does not require the addition of any other toxic transition metal (such as ruthenium, rhodium, and palladium), and has great practical application value in the synthesis of drugs and materials. The conversion rate of the reaction is also good, generally reaching >99%, and the enantioselectivity is also high, generally 70-99%.

Abstract: A gas sensing device for detecting a to-be-detected substance in a respiratory gas exhaled by a user includes a housing permitting entrance of the respiratory gas, and a sensing module disposed in the housing. The sensing module includes a light chamber permitting the respiratory gas to pass therethrough, a light source unit emitting light into the light chamber, first and second light sensing units outputting respectively first and second detected signals indicating first and second detected intensities respectively of first and second portions of the light whose wavelengths fall within first and second wavelength ranges, respectively, and a processing unit electrically connected to the first and second light sensing units and determining, based on the first and second detected signals, that the to-be-detected substance exists in the respiratory gas when a difference occurs in each of the first and second detected intensities over time.