Abstract: Aspects of the subject disclosure may include, for example, a method for spherical video streaming over a network by a processing system including a processor, the method including prefetching audio data for rendering the spherical video; determining whether there is a single source or a plurality of sources of audio in the audio data; responsive to a determination that there is only one dominant source of the audio in the audio data, prefetching video data in a field of view centered on spatial coordinates of the dominant source of audio; responsive to a determination that there is the plurality of sources of the audio in the audio data, sorting the plurality of sources of the audio according to an estimated sound source energy for each source in the plurality of sources, thereby creating a sorted list of the plurality of sources; and prefetching video data in plural fields of view centered on spatial coordinates of each audio source in the sorted list of the plurality of sources, wherein the prefetching is

Abstract: Disclosed in embodiments of the present application are a resource allocation method, a device, and a medium. The method comprises: a terminal device determines N NPRACH transmission resources corresponding to a sending period of an ephemeris-bearing SIB bearing according to said sending period as well as configuration information for an NPRACH transmission resource indicated in an SIB2, where N is a natural number greater than zero; the terminal device randomly selects one NPRACH transmission resource from among the N NPRACH transmission resources; and the terminal device performs random access on a network device by means of the selected NPRACH transmission resource.

Abstract: A system, apparatus, method, algorithm and/or device (collectively, “system”) for non-contact or contactless ultrasound viscoelastic spectroscopy measures the viscoelastic properties of soft matter through exerting modulated ultrasound pressure waves, so called stress signals and measuring the material deformation, so called strain imaging, over a wide range of frequencies, and may be applied to various fields including but not limited to material science, polymer designing, tissue engineering, cancer drug development and/or biological tissue assessment for disease diagnosis and prognosis. By measuring the elastic and viscous moduli, the phase difference between them, and Poisson's ratio over a wide range of frequencies, this allows for non-destructive tests on soft matter such as biological tissue, by ultrasound probes.

Abstract: A display device is provided, including: a back plate; a plastic frame connected to the back plate; a backlight module; a privacy film on a light emitting side of the backlight module; and a dimming sheet on a side of privacy film away from the back plate, wherein the dimming sheet is configured to be capable of adjusting a viewing angle of the display device. The plastic frame includes a first surface and a side end face, the first surface is a surface of the plastic frame close to the dimming sheet, the side end face is a side face of the plastic frame close to the dimming sheet, the plastic frame further includes a chamfered portion at a transition position between the side end face and the first surface, and the chamfered portion has a rough surface that is configured for diffracting the light incident on the chamfered portion.

Abstract: Systems and methods are disclosed for parallelizing service function chains.

Abstract: A stereo projection screen including a scattering screen having a scattering structure layer, a phase retardation layer disposed between the scattering structure layer and the polarized projector, and a metal reflection layer covering at least a part of the scattering structure layer is provided. The scattering structure layer and the phase retardation layer are arranged in a first display area and a second display area of the stereo projection screen. The metal reflection layer is arranged in at least one of the first display area and the second display area. A first image light beam having a first polarization state has a second polarization state after being transmitted to the first display area and leaving the stereo projection screen. A second image light beam having the first polarization state still has the first polarization state after being transmitted to the second display area and leaving the stereo projection screen.

Abstract: Systems, computer-readable media, and methods are disclosed for parallel data processing for service function chains with network functions spanning multiple servers. An example system includes a first server hosting a first network function of a service function chain, a second server hosting a second network function of the service function chain, a mirror function deployed in a first switch to replicate a plurality of packets received by the system and to send respective copies of the plurality of packets to the first network function and to at least one of the second network function and a third network function of the service function chain, and a merge function deployed in a second switch to merge respective outputs of the first network function and the at least one of the second network function and the third network function.

Abstract: A coherent Raman spectro-microscopy system is configured for generating a spectro-microscopic image of a sample and includes a light source, a supercontinuum spectrum generator, a color filter assembly, and a spectro-microscopic assembly. The light source is for emitting at least one pulsed laser beam. The supercontinuum spectrum generator is for broadening the bandwidth of at least one pulsed laser beam. The color filter assembly is for filtering the bandwidth of at least one pulsed laser beam according to a predetermined bandwidth and converting at least one pulsed laser beam into a coherent spectro-microscopic laser beam. The sample is disposed in the spectro-microscopic assembly, and the spectro-microscopic assembly receives the coherent spectro-microscopic laser beam so that the coherent spectro-microscopic laser beam passes through the sample to generate the spectro-microscopic image of the sample.

Abstract: A bearing unit includes a radially inner ring, a radially outer ring comprising a lubricant inlet, a plurality of rolling bodies interposed between the inner ring and the outer ring, and a first seal. The first seal includes an axially outer sealing ring, an axially inner sealing ring, and a first sealing lip formed on an axially inner surface of the axially inner sealing ring and extending axially inward to make sealing contact with an axially outer surface of the axially inner sealing ring. The first sealing lip prevents lubricant from flowing from an interior of the bearing unit to an exterior of the bearing unit at a first axial end of the bearing unit, and the first seal is disposed axially outside the inlet of the radially outer ring.

Abstract: Disclosed in the embodiments of the present application are a network access method and apparatus for a terminal, an electronic device and a storage medium. Said method comprises: a terminal determining a beam sweeping interval and a sweeping frequency point, and receiving a base station signal sent or forwarded by a satellite; determining the downlink signal quality of the base station according to the base station signal; and if it is determined, according to the downlink signal quality, that the terminal can successfully find a satellite, executing a network access process of the terminal.

Abstract: Provided are catechol nanoparticles, catechol protein nanoparticles, and a preparation method and use thereof. The method includes: adding a tannin compound-containing natural herb medicine into water to obtain a mixture, and subjecting the mixture to heating reflux extraction to obtain a herb medicine extract and subjecting the herb medicine extract to fractionation to obtain the catechol nanoparticles.

Abstract: A charging wake-up circuit includes a first switch, a second switch, a first resistor, a second resistor, and a third resistor. The first switch has a first terminal for receiving a first voltage, and a control terminal for receiving a second voltage. The second switch has a first terminal coupled to the second terminal of the first switch. The first resistor has a first terminal coupled to the control terminal of the second switch, and a second terminal coupled to the first terminal of the second switch. The second resistor has a first terminal coupled to the second end of the second switch, and a second terminal. The third resistor has a first terminal coupled to the second terminal of the second resistor and a device to provide a control voltage to the device to wake up the device, and a second terminal to receive a third voltage.

Abstract: A laser machining device includes a pulsed laser generator, an accommodation chamber, a bandwidth broadening unit and a pulse compression unit. The pulsed laser generator is configured to emit a pulsed laser. The accommodation chamber has a gas inlet. The bandwidth broadening unit is disposed in the accommodation chamber, and is configured to broaden a frequency bandwidth of the pulsed laser to obtain a broad bandwidth pulsed laser. The pulse compression unit is disposed in the accommodation chamber. The bandwidth broadening unit and the pulse compression unit are arranged in order along a laser propagation path, and the pulse compression unit is configured to compress a pulse duration of the broad bandwidth pulsed laser.

Abstract: An unmanned vehicle module can include, in some aspects, a landing platform including a landing area for receiving an unmanned vehicle, wherein the landing area includes a predetermined charging region; a first charging plate; a second charging plate, wherein the first charging plate and the second charging plate are positioned in the predetermined charging region; an electrical energy storage device for connecting electrically with the first charging plate and with the second charging plate; and an unmanned vehicle alignment mechanism configured to move the unmanned vehicle into the predetermined charging region; wherein the unmanned vehicle alignment mechanism includes a first beam, a second beam, a third beam, a fourth beam, and an actuation device for actuating at least two of the first beam, the second beam, the third beam, and the fourth beam to push the unmanned vehicle into the charging region.

Abstract: The disclosure provides a viewing angle control module including a first liquid crystal panel, a first polarizer, a second polarizer, and a phase retarder. The first liquid crystal panel includes a first substrate, a second substrate, a first alignment layer, a second alignment layer, a first liquid crystal layer, a first electrode layer, and a second electrode layer. A second alignment direction of the second alignment layer is antiparallel to a first alignment direction of the first alignment layer. The first electrode layer has multiple electrode patterns arranged at intervals along a first direction and extending along a second direction. A first absorption axis of the first polarizer is perpendicular to a second absorption axis of the second polarizer. An included angle between the first absorption axis and the first alignment direction is 45 degrees. A display apparatus including the viewing angle control module is also provided.

Abstract: The present disclosure relates to an integrated chip processing tool. The integrated chip processing tool includes a gas distribution ring configured to extend along a perimeter of a process chamber. The gas distribution ring includes a lower ring extending around the process chamber. The lower ring has a plurality of gas inlets arranged along a bottom surface of the lower ring and a plurality of gas conveyance channels arranged along an upper surface of the lower ring directly over the plurality of gas inlets. The gas distribution ring further includes an upper ring disposed on the upper surface of the lower ring and covering the plurality of gas conveyance channels. A plurality of gas outlets are arranged along opposing ends of the plurality of gas conveyance channels. A plurality of gas conveyance paths extending between the plurality of gas inlets and the plurality of gas outlets have approximately equal lengths.

Abstract: A method of reversing aquifer parameter with skin effect is used for reversing an aquifer parameter of a monitoring well and a surrounding area thereof. The method includes steps of: performing a slug test on the monitoring well, and measuring a first water level change of the monitoring well by a water level meter; setting a parameter assembly having a plurality of hypothetical aquifer parameters; converting the hypothetical aquifer parameters through a programming language, and then respectively calculating a plurality of second water level changes; respectively calculating a plurality of function values through an objective function according to the first water level change and the second water level changes, and selecting one hypothetical aquifer parameter corresponding to one function value that meets a convergence condition from the function values; taking the hypothetical aquifer parameter that meets the convergence condition as the aquifer parameter.

Abstract: A repair device for burnout of a stator iron core in a giant hydraulic turbine generator, and a repair method thereof are provided. The repair device includes toothed plates, ventilation slots, binding holes, ventilation holes, and binding cables. Each of the toothed plates is matched with a burnout area in the middle of the iron core, such that two ends of the toothed plate are in contact with plate assemblies. The binding cables rotatably pass through the binding holes and are pulled tightly to bind the toothed plates and coil bars into an integral structure. The present disclosure solves the problem of influence on the power generation benefit during the flood season due to long re-lamination cycle after burnout of the middle of the stator iron core of the hydraulic turbine generator.

Abstract: The present invention provides ocular cells, genetically modified by a CRISPR system targeting the expression of B2M for ocular cell therapy. The invention further provides methods of generating an expanded population of genetically modified ocular cells, for example limbal stem cells (LSCs) or corneal endothelial cells (CECs), wherein the cells are expanded involving the use of a LATS inhibitor and the expression of B2M in the cells has been reduced or eliminated. The present invention also provides cell populations, preparations, uses and methods of therapy comprising said cells.

Abstract: A display device is provided, including: a back plate; a plastic frame connected to the back plate; a backlight module a privacy film on a light emitting side of the backlight module; and a dimming sheet on a side of privacy film away from the back plate, wherein the dimming sheet is configured to be capable of adjusting a viewing angle of the display device. The plastic frame includes a first surface and a side end face, the first surface is a surface of the plastic frame close to the dimming sheet, the side end face is a side face of the plastic frame close to the dimming sheet, the plastic frame further includes a chamfered portion at a transition position between the side end face and the first surface, and the chamfered portion has a rough surface that is configured for diffracting the light incident on the chamfered portion.