Abstract: A thermoplastic composite elongate extrudate having a thermoplastic polymer matrix material with a plurality of elongate thermoplastic liquid crystal polymer fibrils generally aligned with the direction of extrusion. A method of making a thermoplastic composite includes mixing a thermoplastic polymer matrix material and a thermoplastic liquid crystal polymer, where the viscosity of the thermoplastic polymer matrix material is sufficiently greater than the viscosity of the thermoplastic liquid crystal polymer, and extruding the mixture to create a composite elongate extrudate comprising a thermoplastic polymer matrix material with a plurality of elongate thermoplastic liquid crystal polymer fibrils generally aligned with the direction of extrusion.

Abstract: A beam for supporting a plurality of prismatic batteries in battery enclosure of an electric vehicle includes a base, having a lower elongate horizontal flange, and an upper elongate horizontal flange, narrower than the lower elongate horizontal flange, spaced above the lower elongate horizontal flange by a vertical web. A web member can be disposed on the upper elongate horizontal flange of the base, and includes first and second elongate exterior vertical wall members. At least two elongate inserts disposed between the vertical exterior wall members, and configured to at least in part form at least one longitudinally extending channel between them. The elongate inserts can be made of metal and the longitudinally extending channel provides a pathway for cooling fluid. A cap can engage the upper edges of the vertical wall members and enclose the metal inserts in the space between the first and second vertical wall members.

Abstract: A 6D (six degree of freedom) pose measurement method for mechanical parts based on virtual contour feature points, wherein multiple lights are used for lighting in different times for photographing, so that the success rate of recognition of geometric features in images is increased.

Abstract: The present application relates to the technical field of computers. A security authentication method, apparatus and system for a digital currency transaction. A specific embodiment of the method includes: a first terminal device storing a first certificate issued by a digital currency issuing end and second certificates issued by one or more digital currency operation ends; the first terminal device receiving a third certificate sent by a first digital currency operation end, and performing signature verification on the third certificate by using a second certificate, which is issued by the first digital currency operation end and passes signature verification; and after the third certificate passes the signature verification, the first terminal device performing a digital currency transaction with the first digital currency operation end and/or a second terminal device, wherein the second terminal device stores a fourth certificate sent by a second digital currency operation end.

Abstract: An electrical connector is disclosed that comprises at least two opposing walls between which a passageway is defined for receiving a contact pin, wherein the walls have a width of about 500 micrometers or less and are formed from a polymer composition that comprises a polymer matrix containing at least one polymer having a glass transition temperature of about 30° C. or more in an amount of 30 wt. % or more of the composition. The polymer composition exhibits a dielectric constant of about 4 or less and a dissipation factor of about 0.02 or less, as determined at a frequency of 10 GHz.

Abstract: A system and method for molding a fiber reinforced composite part are disclosed. The system includes a mold with electrical contacts that make electrical contact with at least one monitoring circuit incorporated in a fiber preform disposed in the mold so that the resistance of the monitoring circuit can be monitored as resin fills the mold cavity and envelopes the preform. The method includes monitoring the resistance of at least one monitoring circuit incorporated into a fiber preform disposed in a mold to determine the location of the resin flow front as resin is injected into the mold and surrounds the fiber preform.

Abstract: The present disclosure relates to the technical field of computers. Disclosed are a digital currency transaction method and system and a digital currency card application apparatus. A specific embodiment of the method comprises: after receiving a transaction request sent by a second transaction device, a digital currency card application apparatus of a first transaction device acquiring a current power state of the first transaction device; and performing digital currency transaction with the second transaction device according to a transaction rule corresponding to the current power state of the first transaction device. According to the embodiment, the power state of a mobile intelligent terminal can be acquired, and transaction operations of the payment and the receipt on the digital currency in scenarios of power-on with power available, power-off with power available, and power-off without power available can be realized on the basis of the power state of the mobile intelligent device.

Abstract: The present application relates to the technical field of digital currency, and discloses a digital currency payment method and device. One specific embodiment of the method comprises: establishing a communication connection with a payee device through near field communication; acquiring a battery power of a device carrying a payment chip, when the payment chip enters a payment state based on the established communication connection; and powering the payment chip for the payment of digital currency by electricity generated in an antenna coil of the payment chip through a near field communication alternating magnetic field of the payee device, when the battery power is insufficient to support the payment of digital currency.

Abstract: The invention relates to the field of sensing technology, and discloses a double-parameter in-situ sensor based on waveguide grating, a sensing system and a preparation method. The sensor comprises an optical waveguide substrate, wherein a first straight optical waveguide and a second straight optical waveguide are arranged in the optical waveguide substrate in parallel, two ends of first straight optical waveguide are respectively connected with a first transmission fiber and a second transmission fiber, two ends of second straight optical waveguide are respectively connected with a third transmission fiber and a fourth transmission fiber, a first Bragg grating is arranged on the first straight optical waveguide, a second Bragg grating and a third Bragg grating are separately arranged on the second straight optical waveguide, a micro air groove is arranged on the upper surface of optical waveguide substrate, positioned between the second Bragg grating and the third Bragg grating.

Abstract: A method for fabricating a composite panel comprising stitching a plurality of first continuous reinforcing fibers in N first zones and M second zones of a backing substrate of a preform. The N first zones are arranged near C corners of the composite panel, where C is an integer. The plurality of first continuous reinforcing fibers in the N first zones is arranged radially relative to the C corners. At least one of a fiber density of the plurality of first continuous reinforcing fibers in the N first zones that is less than a fiber density of the plurality of first continuous reinforcing fibers in the M second zones, and a stitch density of the plurality of first continuous reinforcing fibers in the N first zones that is less than a stitch density of the plurality of first continuous reinforcing fibers in the M second zones.

Abstract: A method for manufacturing a multi-layered and multi-functional thermoplastic composite structure includes supplying a plurality of reinforcing layers including continuous reinforcing fibers and thermoplastic resin to an intermittent press; and supplying at least one functional layer to the intermittent press adjacent to the plurality of reinforcing layers. The at least one functional layer is selected from a group consisting of an electromagnetic shielding layer and a thermal runaway protection layer. The method includes heating and pressing the plurality of reinforcing layers and the at least one functional layer to form a composite laminate.

Abstract: A multi-layer and multi-functional composite structure includes a structural reinforcing portion configured to provide structural support. The structural reinforcing portion includes reinforcing fibers consolidated in a thermoplastic resin. A protecting portion is arranged on one side of the structural reinforcing portion and configured to provide at least one of thermal blocking and fire resistance. A shielding portion is arranged on an opposite side of the structural reinforcing portion and configured to shield electromagnetic interference (EMI).

Abstract: A battery enclosure for a battery system includes a reinforcing layer including reinforcing fibers, a shielding layer, and a thermal protection layer. At least one of the reinforcing fibers, the shielding layer, and the thermal protection layer is consolidated using a thermoplastic resin into one of a body and a cover of the battery enclosure. The shielding layer is arranged on one side of the one of the body and the cover and the thermal protection layer is arranged on opposite side of the one of the body and the cover.

Abstract: Provided is a method for calibrating a deformation pressure of a large-volume press. The method for calibrating the deformation pressure of the large-volume press includes: depositing a conductive layer onto a surface of a bevel plug to obtain a conductive bevel plug; assembling the conductive bevel plug, a molybdenum pillar, a magnesium oxide tube, a magnesium oxide sample chamber, a magnesium oxide octahedron and a calibration standard material, placing a resulting system in the large-volume press, and subjecting the resulting system to a large-volume press pressure correction experiment.

Abstract: Disclosed are a digital currency transaction method, apparatus and electronic device, and a computer-readable medium.

Abstract: A three-dimensional printing method is provided. The method comprises selectively forming a three-dimensional structure from a polymer composition. The polymer composition comprises a thermally conductive particulate material distributed within a thermoplastic polymer matrix, and further wherein the polymer composition exhibits a through-plane thermal conductivity of about 0.10 W/m-K or more.

Abstract: The provided are a method, terminal, and system for updating a digital currency wallet, and relates to the field of computer technology. A specific implementation of the method includes: sending, based on user trigger, a query request about whether the digital currency wallet needs to be updated to a trusted platform; receiving a query result returned by the trusted platform; in the case that the query result indicates that the digital currency wallet needs to be updated, withdrawing a digital currency from the digital currency wallet, synchronizing offline transaction data of the digital currency wallet, and sending an update request to the trusted platform; receiving a target update instruction sent by the trusted platform, wherein the target update instruction indicates account data corresponding to the digital currency wallet; and updating the digital currency wallet based on the account data indicated by the target update instruction.

Abstract: The present disclosure provides a digital currency transaction method and system, and related transaction terminals, and relates to the field of computer technology. A specific implementation of the method includes: exchanging, by a first transaction terminal, user certificates with a second transaction terminal to verify user identities of the two parties after establishing a communication connection with the second transaction terminal, negotiating with the second transaction terminal to generate a transaction factor after confirming that the user identity verification of the two parties succeeds, and uploading first digital currency transaction information including the transaction factor to a first operating institution back-end system, and sending, by the first operating institution back-end system, the first digital currency transaction information to a second operating institution back-end system to complete the digital currency transaction.

Abstract: A customer interfacing with a credential manager may be enabled to request and obtain securely from the credential manager additional details related to a service transaction previously effected between the customer and a service provider using a customer transaction credential managed by the credential manager. To obtain such a detailed customer receipt for presentation to a customer, the credential manager may provide an authenticatable customer receipt request to the service provider that may include certain information indicative of an active session between the credential manager and an authenticated customer and/or certain information indicative of a trusted relationship between the credential manager and service provider. When a request is authenticated, the service provider may provide a detailed customer receipt to the credential manager in a format that may be presented to the customer but that may not be used by the credential manager to easily access details conveyed by the receipt.

Abstract: Provided are a digital currency-based transaction method and apparatus, relating to the technical field of digital currency. A specific implementation includes: establishing a Near Field Communication (NFC) connection with a transaction receiver (S101); exchanging an interaction capability parameter with the transaction receiver by means of the NFC connection, and performing a transaction feature negotiation to obtain transaction features supported by both parties of a transaction (S102); and initiating the transaction according to the transaction features, and completing the transaction with the transaction receiver according to the transaction features (S103). The present disclosure has the following beneficial implications that a quick transaction can be realized, a transaction success rate is improved, and the transaction performance is optimized.