Abstract: A device and method for bending vehicle glass are provided in the disclosure. The device for bending vehicle glass includes a concave solid lower mold, at least one blowing pipe, and multiple extraction pipes. The concave solid lower mold includes a base and a top plate covered on the base. The base and the top plate cooperatively define an accommodating space. Multiple first partitions are arranged in the accommodating space to divide the accommodating space into multiple subspaces. The top plate has a carrying surface that is concave and away from the base. The top plate has multiple through holes that are in communication with the accommodating space and arranged at intervals. Each of the multiple subspaces corresponds to at least one of the multiple through holes.

Abstract: Provided is a method for degrading epoxy resins by enzymatic route, in particular by adding an epoxy resin in a solvent followed by treatment with a glutathione S-transferase. A method for recycling a composite material comprising epoxy resin as well as the use of glutathione 5-transferase and eventually para-hydroxybenzoate hydroxylase for degrading epoxy resins are also provided.

Abstract: A computer-implemented method, medium, and system for geological core property prediction using machine learning modeling are disclosed. In one computer-implemented method, multiple imagery data of a core sample of a wellbore are received. The multiple imagery data are partitioned into multiple image patches. Multiple first vectors of encoded features in a latent space are generated based on the multiple image patches. Multiple image features of the core sample of the wellbore are generated based on the multiple imagery data. Multiple second vectors of encoded features in the latent space are generated based on the multiple image features. Multiple rock properties associated with the core sample of the wellbore are predicted by running a regressor in the DFCN based on the multiple first vectors and the multiple second vectors. The multiple rock properties are provided for determining multiple properties of a subsurface reservoir that includes the wellbore.

Abstract: Disclosed are a ground test system and a test method for a space-oriented multi-arm spacecraft system. A spacecraft system simulator floats on an air-floating platform through four porous air feet, a test truss is placed around the air-floating platform, a simulation auxiliary docking device, a simulation crawling truss and a satellite model are arranged in a middle of a ceiling of the test truss, and an assembly test area and a silent air compressor are arranged on sides of the test truss. The application is used to solve the problems that the prior art cannot simulate the movement and crawling of the multi-arm spacecraft system in space, assembly of large space structures, and the prior art cannot simulate the influence of assembling, catching and other actions on a base in a weightless environment.

Abstract: Systems, methods, and apparatus including computer-readable mediums for managing training wells for target wells in machine learning are provided. In one aspect, a method includes: for each training well of a plurality of training wells, building a training network for the training well based on well log data of the training well, predicting a target well log of a target well using the training network built for the training well, determining a relevancy level between the training well and the target well based on the predicted target well log of the target well and a measured target well log of the target well, and selecting relevant training wells among the plurality of training wells based on the relevancy levels associated with the plurality of training wells.

Abstract: The present disclosure generally provides binder compositions and more specially polyfunctional isocyanate binder compositions which can be used in the preparation of composite wood panels, wherein the binder composition comprising (a) a polyfunctional isocyanate or an isocyanate prepolymer, wherein the isocyanate prepolymer is obtained by reacting a polyfunctional isocyanate with a polyfunctional polyol; (b) a tackifier; and (c) a phosphate ester. The compositions have high tack capability and improved mold releasing capability.

Abstract: Disclosed are an image coding and decoding methods, an image processing device, and a computer storage medium. The image coding method comprises: obtaining a dynamic range of a copy parameter of a current coding sampling value segment according to a size of a reference area; and coding the copy parameter according to the dynamic range to generate a video bitstream containing information about the size of the reference area and information about the copy parameter. The decoding method comprises: parsing a video bitstream to obtain a dynamic range of a copy parameter of a decoding sampling value segment; and decoding the copy parameter according to the dynamic range.

Abstract: Techniques include flowing a multiphase fluid from a hydrocarbon production well through a conduit; measuring, with an ultrasonic tomographic multiphase flow meter (UMM), ultrasonic waveforms generated by the UMM from the multiphase fluid; measuring properties of the multiphase fluid with fluid measurement sensors coupled to the conduit; identifying the ultrasonic waveforms and the properties with a machine-learning control system; determining multiphase fractions of the multiphase fluid from the one or more ultrasonic waveforms with a first ML model; determining a total flow rate of the multiphase fluid from the measured properties of the multiphase fluid with a second ML model; and determining a volumetric flow rate of a liquid phase or a gas phase based on the determined multiphase fraction and the determined total flow rate.

Abstract: A clock synchronization method includes receiving, by a receiving apparatus, a plurality of data blocks using a plurality of physical layer modules (PHYs), where the plurality of data blocks include a plurality of head data blocks, performing, by the receiving apparatus, timestamp sampling on the plurality of data blocks to generate a plurality of receipt timestamps, aligning, by the receiving apparatus, the plurality of receipt timestamps using a first receipt timestamp as a reference, generating, by the receiving apparatus, a clock synchronization packet based on the plurality of data blocks, and writing, by the receiving apparatus, a value of a second receipt timestamp into the clock synchronization packet, where the second receipt timestamp is a receipt timestamp that is of a second data block and that is determined based on the plurality of aligned receipt timestamps.

Abstract: A planar optical waveguide based on two-dimensional grating includes an optical waveguide substrate which is a transparent plane-parallel plate, and a functional grating element which includes a two-dimensional grating having two grating directions with an angle of 60° in between. The two-dimensional grating is either protruded or recessed into the top surface of the optical waveguide substrate. The output image from a micro-projector can enter the optical waveguide and then gets projected to cover the entire area of the functional grating element, enabling a human eye to view the output image across a large eye-box.

Abstract: Embodiments of the present disclosure describe frequency detection techniques for detecting power irregularities. These irregularities may include variations or abnormalities in switched-mode power supply circuit switching behavior, power spikes, and/or output oscillations. The frequency detection techniques may compare different frequency components of the power signal to detect irregularities.

Abstract: A display apparatus including a circuit board, a plurality of light-emitting devices and a display panel is provided. The light-emitting devices are disposed on the circuit board and electrically connected to the circuit board. The display panel is disposed on the light-emitting devices. The display panel includes a peripheral light-shielding pattern. An opening portion of the peripheral light-shielding pattern defines an active area of the display panel. A physical portion of the peripheral light-shielding pattern defines a non-active area of the display panel. An optical axis of a light-emitting surface of at least one of the light-emitting devices is located at a junction of the active area and the non-active area, at the non-active area, or at the active area and a side wall of the at least one of the light-emitting devices is located at the junction of the active area and the non-active area.

Abstract: A method for information encoding and decoding, and method for information storage and interpretation are provided. The information encoding method includes: first binary information and second binary information as well as a first encoding rule and a second encoding rule are obtained; a first output candidate symbol corresponding to a current input of the first binary information is obtained and a second output candidate symbol corresponding to a current input of the second binary information is obtained, and an intersection of the first output candidate symbol and the second output candidate symbol is taken as an output corresponding to a current input; and an output symbol corresponding to each binary bit of the first binary information and the second binary information is sequentially determined through the first encoding rule and the second encoding rule, as to obtain an encoding sequence formed by a plurality of the output symbols.

Abstract: An optical waveguide includes an input diffractive optical element arranged for being aligned with an optical projector for diffracting the light beam therefrom, a waveguide substrate arranged for reflecting the light beam diffracted by the input diffractive optical element by means of total internal reflection, and an output diffractive optical element coupled at said waveguide substrate for partially diffracting the light beam as a diffracted light and partially transmitting the light beam as a transmitted light during the total internal reflection of the light beam within the waveguide substrate. The diffracted light is diffracted by the output diffractive optical element and is projected out of the waveguide substrate toward the user eye. The transmitted light is continuously transmitted and reflected within the waveguide substrate by the total internal reflection until the transmitted light is totally diffracted out of the waveguide substrate, so as to complete an exit pupil expansion.

Abstract: A protective tube for sealed introduction into a process vessel at a process vessel port, the protective tube comprising a sealing base element which is connected onto the process vessel port and an elongate body with a bore. The elongate body comprises a closed distal end and an open proximal end, which is sealingly connected onto the sealing base element. The protective tube also comprises a receiving part, which is connected or attached onto the elongate body inside the process vessel so as to receive and hold a secondary temperature sensor from inside the process vessel. In addition, a reference temperature sensor is insertable into the bore from outside the process vessel. Also provided is a temperature measurement arrangement and a method for a temperature measurement in a process vessel.

Abstract: A clock synchronization method includes receiving, by a receiving apparatus, a plurality of data blocks using a plurality of physical layer modules (PHYs), where the plurality of data blocks include a plurality of head data blocks, performing, by the receiving apparatus, timestamp sampling on the plurality of data blocks to generate a plurality of receipt timestamps, aligning, by the receiving apparatus, the plurality of receipt timestamps using a first receipt timestamp as a reference, generating, by the receiving apparatus, a clock synchronization packet based on the plurality of data blocks, and writing, by the receiving apparatus, a value of a second receipt timestamp into the clock synchronization packet, where the second receipt timestamp is a receipt timestamp that is of a second data block and that is determined based on the plurality of aligned receipt timestamps.

Abstract: A foldable electric bed frame is provided which comprises a bottom frame and a push rod; a first board and a second board hinged to each other are disposed on the top of the bottom frame, one end of the push rod is rotatably connected to a side edge of the second board through a connection device which comprises a height adjusting piece and a height locking piece; a distance from the height adjusting piece to the second board in a working state is larger than a distance from the height adjusting piece to the second board in a folded state, and the height locking piece locks a position of the height adjusting piece in the working state to solve the problem of an increased thickness of a folded bed board resulting from increase of an angle of inclination of a push rod in the prior art.

Abstract: The present invention discloses a display stand has a mounting seat connected on a support structure, internally provided with an accommodating cavity and having a slot communicated with the accommodating cavity at the top in an open way, a supporting arm having an insertion end capable of being inserted into the accommodating cavity of the mounting seat from the slot of the mounting seat, and a locking mechanism disposed on the mounting seat or supporting arm, for locking or unlocking the insertion end of the supporting arm in the accommodating cavity. When the insertion end of the supporting arm is locked, the supporting arm is limited within the accommodating cavity of the mounting seat, and when the insertion end of the supporting arm is unlocked, the insertion end of the supporting arm may be taken out from the slot of the mounting seat.

Abstract: The present application discloses a standing vertical lower limb exercise device. The lower limb exercise device includes two major pivotal members, a horizontal bridge member that connects the major pivotal members, a stretchable spring, a string member for limiting a split angle formed by the two major pivotal members, and wheels, gears, and shafts to facilitate movement of the two major pivotal members. The stretchable spring and string member are coupled between the two major pivotal members. Wheels are coupled to each major pivotal member.

Abstract: Disclosed are an image encoding and decoding method, image processing device, and computer storage medium. the image coding method includes: when copying coding is performed on a current coding block by using one of the at least two different palette and pixel string copying coding manners, generating a new palette color according to pixels of the current coding block; generating a palette for the current coding block according to the new palette color and a palette color candidate set shared by the at least two different palette and pixel string copying coding manners; and performing palette and pixel string copying coding by using the palette for the current coding block, and generating a video bitstream comprising a copying manner and a copying parameter.