Abstract: The present invention discloses a visual ultrasonic nondestructive testing device and method for a deep/long-hole pipe. The device is composed of an ultrasonic measurement module, a mechanical motion module, a control module, and a coupling injection and assistance module. The ultrasonic measurement module includes an ultrasonic pulse transmitter/receiver, and the ultrasonic transmitter/receiver includes a high-speed analog/digital (A/D) converter; the mechanical motion module includes a scanning device, a probe and a holding device thereof, and a magnetic drive device. A scanning device can move in two directions, that is, an X-axis on which a magnetic driving wheel steps and a Y-axis on which a module body tests. During the scanning process, on the X-axis, a stepping motor drives a synchronous wheel-belt transmission, so that the magnetic driving wheel is rotated to achieve the purpose of stepping; on the Y-axis, a stepping motor on the module body drives the probe to reciprocate.

Abstract: Methods and systems of managing a resource in a distributed resource management system can include: receiving a resource request by at least one processor in the distributed resource management system, the resource request identifying a requested resource type corresponding to at least one of: a class identifier identifying a resource class assigned to a composite resource, and a class identifier identifying at least one additional resource associated with the composite resource; determining availability of the requested resource type; and scheduling a workload associated with the resource request for execution based on the determination.

Abstract: An optical filter and manufacturing method therefor, a display substrate, and a display apparatus. The optical filter includes: a base substrate; an ordered porous film disposed on the base substrate, wherein the ordered porous film is formed with channels each of which having an extension direction at least at an angle to the base substrate and having an opening at a surface of the ordered porous film; and a plurality of quantum dots respectively disposed in at least part of the channels. The optical filter, the display substrate having the optical filter and the display apparatus can significantly improve the display colour gamut of the display apparatus.

Abstract: An array substrate includes a base substrate, pixel electrodes and common electrodes, first scan lines, second scan lines and data lines. The pixel electrode has first electrode strips disposed at intervals in a row direction. The common electrodes and the pixel electrodes are disposed on the same layer, and the common electrodes have second electrode strips disposed at intervals. The second electrode strips and the first electrode strips are alternatively arranged. The first scan line is located between two adjacent rows of pixel electrodes. The second scan line is located between two adjacent columns of pixel electrodes and is electrically connected to the first scan line, and the second scan line has a scan signal input terminal. The data line has a data signal input terminal. An orthographic projection of the data line on the base substrate intersects with a central region of the pixel electrode on the base substrate.

Abstract: One embodiment described herein provides a payment-processing apparatus. The payment-processing apparatus can include a facial-information-collection module configured to collect facial information of a customer, a first communication interface configured to communicate with a point-of-sale (POS) terminal, and a second communication interface configured to communicate with a remote computing device and send the collected facial information to the remote computing device, thereby allowing the remote computing device to identify a customer account based on the collected facial information.

Abstract: Embodiments of the present disclosure provide a display panel and a display device. The display panel includes: a first substrate; at least one underlaying structure, arranged on the first substrate and in a non-display region of at least one side of a display region of the display panel; and at least one supporting structure, arranged on one side, facing away from the first substrate, of the at least one underlaying structure, where an orthographic projection of the supporting structure on the first substrate is within a range of an orthographic projection of the underlaying structure on the first substrate.

Abstract: A device for evaluating the service life of a bearing includes an operating condition obtainment unit configured to obtain a current operating condition of the bearing, a first acquisition unit configured to acquire a current vibration signal of the bearing under the current operating condition, a computation unit configured to compute a current vibration value of the bearing, a spalling obtainment unit configured to obtain a current surface spalling area of the bearing corresponding to the current vibration value of the bearing and further configured to obtain a current spalling rate of the bearing under the current operating condition, and a replacement reminder unit configured to transmit a bearing replacement reminder information when the current surface spalling area of the bearing is detected to be greater than a predetermined first area.

Abstract: Disclosed is a digital twin tethered balloon system; key running state data of a tethered balloon is collected through an Internet of Things of a tethered balloon system; the key running state data of the tethered balloon is transmitted to a twin data service center; the twin data service center receives, analyzes and stores the data and forwards the data to a tethered balloon digital twin system; the tethered balloon digital twin system simulates a pose of a tethered balloon body and the movement of a ground tethering facility; and the tethered balloon monitoring service provides running state monitoring, quality problem tracking, fault prediction and early warning, automatic control and other services.

Abstract: The present disclosure provides a liquid crystal display panel and a display device, including: a liquid crystal panel, a light control panel, and a polarizer located on a surface of the liquid crystal panel away from the light control panel that are stacked, in which the polarizer includes a pressure-sensitive adhesive layer in contact with the liquid crystal panel, and the pressure-sensitive adhesive layer has a light adjustment structure configured to adjust a propagation path of light emitted from the liquid crystal panel by means of refraction or total reflection. The liquid crystal display panel provided by the present disclosure can improve or even eliminate the rainbow pattern phenomenon, and improve the display quality of the liquid crystal display panel.

Abstract: A sieve frame, including: a sieving component arranged in a horizontal direction; a support component arranged below the sieving component, spaced apart from the sieving component, and disposed parallel to the sieving component, the support component including a plurality of openings; a cleaning component arranged between the sieving component and the support component, supported by the support component, and used to clean the sieving component; and a bottom plate arranged below the support component, the bottom plate including an inclined surface inclining relative to the horizontal direction and a material discharging port arranged on a side edge of the bottom plate, and the inclined surface extending to the material discharging port. A sieving device is further included. The sieve frame and the sieving device exhibit high material discharging speed, and the sieve frame provides a high yield. The device has a reduced size and a reduced footprint.

Abstract: A method for uploading video, executed by a client and including: determining encoding complexity of a target video; determining a target encoding parameter corresponding to difference information based on the difference information between the encoding complexity and a complexity threshold; and encoding the target video based on the target encoding parameter and uploading an encoded target video to a server.

Abstract: The present disclosure relates to a display panel and a display device. The display panel includes: a liquid crystal display panel; and a dimming liquid crystal panel including a plurality of dimming pixels defined by a second mesh structure and arranged in an array, wherein the second mesh structure includes a plurality of light shielding lines extending along a first direction and having a waveform, each of the light shielding lines includes a plurality of periodic parts, each of the plurality of periodic parts includes a first portion and a second portion which are symmetrical relative to a symmetry axis along a second direction, the first portion comprises a first segment and a second segment, the second portion comprises a third segment which is symmetrical with the second segment relative to the symmetry axis and a fourth segment which is symmetrical with the first segment relative to the symmetry axis.

Abstract: Provided is a detection circuit and a driving method thereof, and a display panel. The detection circuit includes: a plurality of first detection circuits, a plurality of second detection circuits, and a plurality of third detection circuits. The first detection circuit is connected to a first pin, a first control signal terminal, a first detection signal terminal, and a first gate line corresponding to the first detection circuit; the second detection circuit is connected to a second pin, a second control signal terminal, a second detection signal terminal, and a second gate line corresponding to the second detection circuit; the third detection circuit is connected to a first data line corresponding to the third detection circuit, a sensing signal line corresponding to the third detection circuit, a third detection signal terminal, and a third control signal terminal.

Abstract: Provided is a new type serum-free medium. The medium comprises: DMEM with high glucose (the content of glucose being 4.5 g/L), B27, recombinant human basic fibrolast growth factor (b-FGF), nicotinamide, N-2, vinblastine III (conophylline), non-essential amino acid (NEAA), heparin, epidermal growth factor (EGF), hepatocyte growth factor (HGF), a serum replacement (SR), an insulin-transferrin-selenium complex (ITS), and pentagastrin. Inducing differentiation of mesenchymal stem cells into insulin-secretion-like cells can be achieved in six days in one step using the medium.

Abstract: The present disclosure provides an array substrate, a dimming liquid crystal panel and a display panel. The array substrate includes: a first transparent electrode layer with a plurality of slit structures, wherein the first transparent electrode layer includes a plurality of domains with an equal area, the plurality of domains include at least two types of domains, the at least two types of domains are arranged in a mosaic shape; a plurality of gate lines extending along a row direction and a plurality of data lines extending along a column direction, the plurality of gate lines and the plurality of data lines crossing to define a plurality of dimming regions arranged in an array.

Abstract: A voltage control circuit comprises a sampling sub-circuit and a control sub-circuit. The sampling sub-circuit is configured to detect a potential difference between an output voltage and an input voltage to obtain a first voltage and output the first voltage to the control sub-circuit. The control sub-circuit is configured to compare a magnitude of the first voltage with a first voltage threshold, if the first voltage is less than the first voltage threshold, output the input voltage as the output voltage, and, if the first voltage is greater than or equal to the first voltage threshold, superimpose and output the input voltage and a bootstrap voltage as the output voltage.

Abstract: A device for diverting and defoaming with a bent pipe applied to a high head water supply structure includes an inner well, an outer well, a baffle, and a plurality of overflow pipes. The baffle is respectively connected with an outer wall of the inner well and an inner wall of the outer well to form an overflow groove, the top end of the inner well is higher than the baffle to form an overflow weir, one end of the overflow pipe is provided with a first pipe orifice in the overflow groove, the other end of the overflow pipe is communicated with the inner well to form a second pipe orifice, the first pipe orifice is higher than the second pipe orifice, the overflow pipe is bent in the overflow groove to form a first bending part, and the first bending part is higher than the first pipe orifice.

Abstract: Disclosed a digital twin tethered balloon system key running state data of a tethered balloon is collected through an Internet of Things of a tethered balloon system; the key running state data of the tethered balloon is transmitted to a twin data service center; the twin data service center receives, analyzes and stores the data and forwards the data to a tethered balloon digital twin system; the tethered balloon digital twin system simulates a pose of a tethered balloon body and the movement of a ground tethering facility; and the tethered balloon monitoring service provides running state monitoring, quality problem tracking, fault prediction and early warning, automatic control and other services. The present invention realizes the deep integration of a physical space and a digital space of the tethered balloon system, which can monitor the tethered balloon system, and is high in visualization degree and good in interaction means.

Abstract: The invention relates to a multi-component composition for the manufacture of polyurethane/urea cementitious hybrid system, comprising at least one isocyanate component selected from the group consisting of monoisocyanate, polyisocyanate and NCO terminated prepolymer, at least one polyol, water, catalyst, at least one acidic additive, and hydraulic binder, wherein the acidic additive is at least one selected from the group consisting of Lewis acids, acid precursors and acidic buffers and is in an amount of 0.01 to 3 wt %, based on the total weight of the composition, to the preparation thereof, and to the use of the composition for the preparation of a flooring, waterproofing, screed, grouting, primer, wall paint, roofing or coating in construction applications.