Abstract: A small-scale model of a buckling-controlled brace device with a rotationally symmetric cross section is provided. The preparation method includes the following steps: S100. a CNC machine tool cuts into sub-energy-dissipation segments on a flat steel plate along a panel group I and a panel group II split by the fifteenth and sixteenth edges, the panel group I includes the ninth edge, the fifteenth edge, the sixteenth edge, the thirteenth edge, the eighth edge, the eleventh edge and the fourth edge, and the panel group II includes the tenth edge, the second edge, the sixth edge, the fourteenth edge, the sixteenth edge, the twelfth edge and the fifteenth edge; S200. connecting the panel group I and the panel group II in S100 by oblique hill creases, to form the sub-energy-dissipation segments; and S300. connecting the four groups of sub-energy-dissipation segments in S200 along a direction of the eleventh edge.

Abstract: A small-scale model of a buckling-controlled brace device with a rotationally symmetric cross section is provided. The preparation method includes the following steps: S100. a CNC machine tool cuts into sub-energy-dissipation segments on a flat steel plate along a panel group I and a panel group II split by the fifteenth and sixteenth edges, the panel group I includes the ninth edge, the fifteenth edge, the sixteenth edge, the thirteenth edge, the eighth edge, the eleventh edge and the fourth edge, and the panel group II includes the tenth edge, the second edge, the sixth edge, the fourteenth edge, the sixteenth edge, the twelfth edge and the fifteenth edge; S200. connecting the panel group I and the panel group II in S100 by oblique hill creases, to form the sub-energy-dissipation segments; and S300. connecting the four groups of sub-energy-dissipation segments in S200 along a direction of the eleventh edge.

Abstract: A photochromic polyurethane laminate wherein the photochromic polyurethane layer of the laminate has been crosslinked with an isocyanate-active prepolymer using a crosslinking agent. The crosslinking agent is formulated to have at least three functional groups that are reactive with functional groups of the polyurethane or of the isocyanate-active prepolymer. A method of making the photochromic polyurethane laminate includes steps of causing the crosslinking.

Abstract: A water flow power generation device includes a supporting frame, a carrying platform, a power generation assembly, a speed-increasing gear box and an impeller blade assembly, the impeller blade assembly includes a rotating shaft connected with the speed-increasing gear box and a plurality of impeller blades uniformly arranged at one end of the rotating shaft, the impeller blades are in contact with the water flow and are driven by the water flow to rotate. The carrying platform can be adjusted to move up and down, so that the contact area of the impeller blade assembly and the water flow is adjusted, water energy can be utilized to the maximum extent, and the service life of the impeller blade assembly is prolonged.

Abstract: Disclosed are a quantum color image encrypting method based on modification direction and corresponding circuit, respectively providing quantum modular circuits design for a parallel adder, a parallel subtractor, a comparator, a cyclic shift add 1, and a cyclic shift subtract 1; and based on these modular circuits, circuit for implementing quantum color image steganography is provided. From the complexity analysis of implementing quantum circuit for color image steganography, it is seen that for a two-dimensional quantum color image with 22n pixels and the R, G, and B channels of which are respectively represented by q number of quantum bits, the steganography algorithm is an efficient transformation method, and the circuit complexity is O(q2+n), which can hardly be achieved by classical geometric transformation. The disclosure is applicable for many practical image processing applications, e.g.

Abstract: A photochromic polyurethane laminate wherein the photochromic polyurethane layer of the laminate has been crosslinked with an isocyanate-active prepolymer using a crosslinking agent. The crosslinking agent is formulated to have at least three functional groups that are reactive with functional groups of the polyurethane or of the isocyanate-active prepolymer. A method of making the photochromic polyurethane laminate includes steps of causing the crosslinking.

Abstract: A photochromic polyurethane laminate wherein the photochromic polyurethane layer of the laminate has been crosslinked with an isocyanate-active prepolymer using a crosslinking agent. The crosslinking agent is formulated to have at least three functional groups that are reactive with functional groups of the polyurethane or of the isocyanate-active prepolymer. A method of making the photochromic polyurethane laminate includes steps of causing the crosslinking.

Abstract: The present invention pertains to polyurethane-urea based optical adhesives for formation of optical film laminates, optically functional film laminates, and ophthalmic or eyeglass lenses employing the same and methods for producing the same.

Abstract: Photochromic polyurethane laminates and methods for the formation of same wherein the photochromic polyurethane layer of the laminate has been crosslinked with a isocyanate-active prepolymer using a crosslinking agent. The crosslinking agent is formulated to have at least three functional groups that are reactive with functional groups of the polyurethane or of the isocyanate-active prepolymer.

Abstract: Disclosed are a quantum color image encrypting method based on modification direction and corresponding circuit, respectively providing quantum modular circuits design for a parallel adder, a parallel subtractor, a comparator, a cyclic shift add 1, and a cyclic shift subtract 1; and based on these modular circuits, circuit for implementing quantum color image steganography is provided. From the complexity analysis of implementing quantum circuit for color image steganography, it is seen that for a two-dimensional quantum color image with 22n pixels and the R, G, and B channels of which are respectively represented by q number of quantum bits, the steganography algorithm is an efficient transformation method, and the circuit complexity is O(q2+n), which can hardly be achieved by classical geometric transformation. The disclosure is applicable for many practical image processing applications, e.g.

Abstract: A photochromic polyurethane laminate wherein the photochromic polyurethane layer of the laminate has been crosslinked with an isocyanate-active prepolymer using a crosslinking agent. The crosslinking agent is formulated to have at least three functional groups that are reactive with functional groups of the polyurethane or of the isocyanate-active prepolymer. A method of making the photochromic polyurethane laminate includes steps of causing the crosslinking.

Abstract: A photochromic polyurethane laminate wherein the photochromic polyurethane layer of the laminate has been crosslinked with an isocyanate-active prepolymer using a crosslinking agent. The crosslinking agent is formulated to have at least three functional groups that are reactive with functional groups of the polyurethane or of the isocyanate-active prepolymer. A method of making the photochromic polyurethane laminate includes steps of causing the crosslinking.

Abstract: The present invention provides an easy-to-use intermittent fasting assistance terminal and method which integrates recording, guidance and supervision functions. The intermittent fasting assistance terminal is connected to a server through a network, and the intermittent fasting assistance terminal includes an input device, a display device, a processor, and a memory storing an intermittent fasting assistance software program. The processor is configured to execute the intermittent fasting assistance software program, respond to gestures received by the input device and generate corresponding interactive interfaces to be displayed in the display device. The input device is used for inputting user basic data into the intermittent fasting assistance software program and receiving operating gestures of a user to the intermittent fasting assistance software program.

Abstract: Embodiments of the present disclosure provide a thermoelectric laser power probe, including a heat dissipation housing and a laser power probing unit fixed inside the heat dissipation housing. The heat dissipation housing is provided with a light inlet. The laser power probing unit includes a substrate. The substrate includes a top surface and at least two outer side surfaces. The top surface is provided with an absorbent material layer. The absorbent material layer corresponds to the light inlet. The at least two outer side surfaces are symmetrically arranged about a center line of a cross section of the top surface, each of the outer side surfaces is perpendicular to the top surface or a tangent plane of the top surface, and each of the outer side surfaces is sequentially provided with an insulating layer and a thin-film thermopile.

Abstract: This application is directed to controlling media content display at an electronic device having a touch display. While playing media content on the touch display using a media player application, the electronic device detects a user swipe on the touch display including a sequence of contacts on a plurality of contact locations on the touch display. The electronic device determines a plurality of contact characteristics of the user swipe. The contact characteristics include a subset of contact locations of the sequence of contacts on the touch display. The user swipe is associated with a media play control option based on the contact characteristics. The media player application is then adjusted according to the media play control option while concurrently displaying a progressive indicator corresponding to the media play control option and the user swipe until after completion of the user swipe on the touch screen.

Abstract: A photochromic polyurethane laminate wherein the photochromic polyurethane layer of the laminate has been crosslinked with an isocyanate-active prepolymer using a crosslinking agent. The crosslinking agent is formulated to have at least three functional groups that are reactive with functional groups of the polyurethane or of the isocyanate-active prepolymer. A method of making the photochromic polyurethane laminate includes steps of causing the crosslinking.

Abstract: Photochromic polyurethane laminates and methods for the formation of same wherein a photochromic polyurethane layer of the laminate is interposed between two primer coated transparent resin sheets.

Abstract: A photochromic polyurethane laminate wherein the photochromic polyurethane layer of the laminate has been crosslinked with an isocyanate-active prepolymer using a crosslinking agent. The crosslinking agent is formulated to have at least three functional groups that are reactive with functional groups of the polyurethane or of the isocyanate-active prepolymer. A method of making the photochromic polyurethane laminate includes steps of causing the crosslinking.

Abstract: Photochromic polyurethane laminates and methods for the formation of same wherein a photochromic polyurethane layer of the laminate is interposed between two primer coated transparent resin sheets.

Abstract: The present invention pertains to polyurethane-urea based optical adhesives for formation of optical film laminates, optically functional film laminates, and ophthalmic or eyeglass lenses employing the same and methods for producing the same.