Abstract: Provided are a video generation method and apparatus, an electronic device and a storage medium. The method includes: receiving a triggering operation acting on a video capturing interface and capturing an original video in response to the triggering operation; determining a video segment of interest in the original video; and performing video synthesis processing based on the video segment of interest and the original video to obtain a target video.

Abstract: A fully-automatic photography method for a fundus image includes moving a lens of the fundus camera to align with the pupil, controlling the lens to approach the eyeball and capturing an image, the image being formed by an illuminating beam reflected by the cornea, determining a working distance by using the image, adjusting the focal length, capturing a fundus image, and determining a photography focal length by using the fundus image, and photographing a fundus image by using the photography focal length on the working distance.

Abstract: The present disclosure provides a composition. In embodiment, the composition is a crosslinkable composition and includes an ethylene-based polymer, a polyaminosiloxane (PAS), and optionally a peroxide. The polyaminosiloxane (PAS) has the Formula (I) [RSi(OZ)2O1/2]q [RSi(OZ)O2/2]m [RSiO3/2]n wherein R is a C6-C20 aminoalkyl group with a phenyl moiety, Si is a silicon atom, O is an oxygen atom, Z is a hydrogen atom or a C1-C10 hydrocarbonyl group, q, m, and n each individually is Rr an integer from 2 to 1,000,000; and 1/2 denotes an end block structure of Formula (II), 2/2 denotes a linear structure of Formula (III), and 3/2 denotes a branched structure of Formula (IV). Also disclosed is a crosslinked composition formed from the crosslinkable composition.

Abstract: A rolling gear rack mechanism with tooth profile having hyperbolic tooth line structure based on a parabolic function includes a gear and a rack. An end face tooth profile of the gear and an end face tooth profile of the rack are composed of an end face working tooth profile curve and a tooth root transition curve, and the end face tooth profile of the gear and the end face tooth profile of rack are both symmetrical left and right. The end face working tooth profile curve of the gear and the end face working tooth profile curve of the rack are parabolic, and a tooth surface of the gear and a tooth surface of the rack have a hyperbolic tooth line structure. At least one pair of gear teeth meshing points of the gear and the rack are located at nodes to achieve rolling meshing contact.

Abstract: The present invention relates to a compound based on oxidative stress and anti-amyloid aggregation mechanism, a preparation method therefor, and a use thereof. The compound of the present invention has a structure represented by formula (I) or formula (II), can change biomechanical characteristics of a lens to ameliorate age-related lens component changes as well as presbyopia and cataract caused thereby, and therefore can treat age-related presbyopia and cataract diseases and produce a synergistic effect.

Abstract: Provided are a video generation method and apparatus, an electronic device and a storage medium. The method includes: receiving a triggering operation acting on a video capturing interface and capturing an original video in response to the triggering operation; determining a video segment of interest in the original video; and performing video synthesis processing based on the video segment of interest and the original video to obtain a target video.

Abstract: A method performed by a wireless device (110b, 110c) comprises receiving (612) system information (SI) broadcast from a network node, the SI broadcast received according to an aperiodic configuration. In particular embodiments, the aperiodic configuration comprises an initial period followed by a subsequent period, wherein a frequency of the SI broadcast during the initial period is greater than a frequency of the SI broadcast during the subsequent period. The initial period may occur when a satellite takes over coverage of a geographical area in which the wireless device is located, and the subsequent period may occur while the satellite maintains coverage of the geographical area in which the wireless device is located.

Abstract: A process to form a crosslinked composition, said process comprising thermally treating a composition comprising the following: a) an elastomer; b) a siloxy-modified silica; c) a hydrosilylation catalyst. A composition comprising the following: a) an elastomer; b) a siloxy-modified silica; c) a hydrosilylation catalyst.

Abstract: Disclosed is a red-light irradiation control method for myopia physiotherapy. The method comprises: acquiring an ocular surface image of a user (S102); analyzing the ocular surface image to determine state information of a pupil (S104); and controlling, based on the state information of the pupil and a red-light irradiation in-eye light power of the user, red-light irradiation on a fundus of the user (S106). With the red-light control solution of the present disclosure, safe, effective and personalized fundus red-light irradiation may be provided for each user according to the specific eye features (for example, a pupil state) and red-light irradiation in-eye light power of the user, so that the efficiency of myopia physiotherapy may be obviously improved.

Abstract: The present invention provides a display panel and a preparation therefor. The display panel at least includes a plurality of pixel unit groups, each of the pixel unit groups includes a plurality of pixel units, each of the pixel units includes a plurality of sub-pixels, and each of the sub-pixels has a functional layer. For the display panel provided by the present invention, the functional layers of multiple sub-pixels with a same color of the plurality of sub-pixels in each of the pixel unit groups are arranged in a first direction and connected with each other, which reduces precision requirements for ink output of each nozzle during an ink jet printing process and reduces a thickness difference of the functional layers of each column of the sub-pixels arranged in a printing direction, thereby effectively preventing generation of lateral Suji Mura during display of the display panel.

Abstract: A composition for use as a film layer comprises (A) an olefin-based polymer having a volume resistivity greater than 5.0*1015 ohm·cm; (B) a hydrophobic-treated fumed silica; (C) an alkoxysilane; (D) an organic peroxide; and (E) from 0 wt % to 1.5 wt % of a crosslinking co-agent.

Abstract: An audio processing method and apparatus, a storage medium, and an electronic device. The method includes: determining a first residual signal in a current time frame; determining misadjustment change data in the current time frame based on the first residual signal in the current time frame and a reference signal in the current time frame, and determining misadjustment change energy in the current time frame based on the misadjustment change data in the current time frame and misadjustment change data in at least one historical time frame; and obtaining prior misadjustment energy in the current time frame based on the misadjustment change energy in the current time frame and posterior misadjustment energy in a previous time frame, where the prior misadjustment energy in the current time frame is used to update a coefficient of an adaptive filter.

Abstract: According to some embodiments, a method performed by a wireless device comprises: receiving a broadcast of full ephemeris data for a serving cell satellite, the broadcast of full ephemeris data occurring at a first periodicity; determining a position of the serving cell satellite based on the full ephemeris data; receiving a broadcast of delta ephemeris data for the serving cell satellite, the broadcast of delta ephemeris data occurring at a second periodicity more frequent than the first periodicity; and determining a position of the serving cell satellite based on the full ephemeris data and the delta ephemeris data.

Abstract: A composition for use as a film layer comprises (A) an olefin-based polymer having a volume resistivity greater than 5.0*1015 ohm.cm; (B) a hydrophilic fumed silica; (C) an alkoxysilane; (D) an organic peroxide; and, optionally, (E) from 0 wt % to 1.5 wt % of a crosslinking co-agent.

Abstract: Provided is a thermal interface material containing a divinyl polydimethylsiloxane, a chain extender, a crosslinker, 80 volume-percent or more thermally conductive filler, treating agent composition, platinum hydrosilylation catalyst, and up to 0.2 weight-percent hydrosilylation inhibitor; where the wherein weight-percent values are relative to thermal interface material composition weight, volume-percent values are relative to thermal interface material composition volume, the molar ratio of silyl hydride groups to vinyl groups in the thermal interface material composition is 0.4 or more and at the same time is 1.0 or less, and the molar ratio of silyl hydride functionality from the chain extender to silyl hydride functionality from the crosslinker is 13 or more and at the same time 70 or less.

Abstract: A process for manufacturing a grafted polyolefin having improved yellowness properties, the process including reacting an admixture of: (i) at least one polyolefin; (ii) at least one monomer; wherein the at least one monomer is selected from one or more acid compounds having the following general chemical Formula (I) or Formula (II); wherein in Formula (I) and Formula (II) either R1 or R2 is H, with the proviso that both R1 and R2 is not H; wherein at least one of R1 and R2 is an alkyl or an alkenyl with a carbon number of from 1 to 20; and wherein R1, R2, or both R1 and R2 may further include an ester, a heteroatom, an aromatic, or a halogen; and (iii) at least one free radical initiator to form a grafted polyolefin; wherein the grafted polyolefin has a yellowness index, YIE313, of <30.

Abstract: The present disclosure relates to an encapsulant film made from a curable composition comprising: (A) a polyolefin polymer; (B) an organic peroxide; (C) a silane coupling agent; and (D) a co-agent comprising a monocyclic organosiloxane of formula (I).

Abstract: A transmission assembly, a driving assembly, a sterile assembly, a surgical instrument and system, and a surgical robot. By providing guide surfaces on driving discs constituting the transmission assembly, engagement components can be accurately positioned and engaged by means of the guide surfaces, to achieve the rapid and accurate engagement of the surgical instrument system, avoid the occurrence of coupling failures, and improve the safety and effectiveness of the surgical robot.

Abstract: A composition for use as a film layer comprises (A) an olefin-based polymer having a volume resistivity greater than 5.0*1015 ohm·cm; (B) a hydrophilic fumed silica; (C) an alkoxysilane; (D) an organic peroxide; and, optionally, (E) from 0 wt % to 1.5 wt % of a crosslinking co-agent.

Abstract: Embodiments of the present disclosure are directed to a foam, which may comprise the crosslinked reaction product of a maleic anhydride grafted olefin block copolymer (MAH-g-OBC) and a secondary alcohol. The foam may have a density less than or equal to 0.2 g/cc.