Abstract: A wheeled carrying apparatus includes a frame structure including a standing frame, a wheel mount carrying a wheel and pivotally connected with the standing frame, the wheel being rotatable relative to the first wheel mount about a wheel axis, a locking assembly including a wheel mount latch movably connected with the standing frame, the wheel mount latch being engaged with the wheel mount to rotationally lock the first wheel mount with respect to the standing frame, and disengaged from the wheel mount to unlock the wheel mount for rotation of the wheel mount to change an orientation of the wheel axis, an actuating assembly coupled to the wheel mount latch and including one or more linking part, and a release mechanism including an operating part provided on the frame structure that is operable to cause the actuating assembly to pull the wheel mount latch to disengage from the wheel mount.

Abstract: A wheeled carrying apparatus includes a handle frame rotatable relative to a standing frame between a first and a second position, a wheel mount pivotally connected with the standing frame, a wheel mount latch adapted to lock and unlock the wheel mount with respect to the standing frame, an actuating assembly coupling the wheel mount latch to the handle frame so that the wheel mount latch is movable to engage and disengage the wheel mount in response to a rotation of the handle frame, and a release mechanism including an operating part that is coupled to the actuating assembly via a cable assembly. The cable assembly includes a flexible part configured to stretch or loosen as the handle frame rotates between the two positions, the operating part being operable to cause the wheel mount latch to disengage from the wheel mount when the handle frame is in the first position.

Abstract: The present disclosure discloses a marker for screening and distinguishing NFC apple juice based on non-targeted metabolomics and use thereof, relating to the technical field of distinguishing of juice. The marker for distinguishing NFC apple juice disclosed in the present disclosure is selected from the following molecules: gallocatechin, catechin, taxifolin, p-hydroxybenzaldehyde, 5-methoxysalicylic acid, azelaic acid, caffeic acid, chlorogenic acid, epicatechin, eriodictyol, ferulic acid, isoquercitrin, naringenin, n-fructosyl isoleucine, p-coumaraldehyde, p-coumaric acid, phloretin, phlorizin, procyanidin B1, quercetin-3-O-galactoside and rutin. The above markers may be used for distinguishing the NFC apple juice and the FC apple juice, and have relatively high accuracy.

Abstract: A method for improving estimation of leaf area index in an early growth stage of wheat based on red-edge bands of Sentinel-2 satellite images includes the following steps: acquiring field background spectrum and wheat canopy spectrum information by means of Sentinel-2; respectively acquiring a “straw-soil” spectrum and a “wheat-straw-soil” spectrum, and calculating slopes of red-edge areas of the “straw-soil” spectrum and the “wheat-straw-soil” spectrum; calculating a tangent function SATF corrected by a background adjustment coefficient ?; constructing a wheat LAI estimation model based on a spectral variable SATFNIR-RE2; performing preliminary screening on the LAI estimation model using cross validation; and then testing the screened model with independent data.

Abstract: A wheeled carrying apparatus includes a frame structure including a standing frame, a wheel mount carrying a wheel and pivotally connected with the standing frame, the wheel being rotatable relative to the first wheel mount about a wheel axis, a locking assembly including a wheel mount latch movably connected with the standing frame, the wheel mount latch being engaged with the wheel mount to rotationally lock the first wheel mount with respect to the standing frame, and disengaged from the wheel mount to unlock the wheel mount for rotation of the wheel mount to change an orientation of the wheel axis, an actuating assembly coupled to the wheel mount latch and including one or more linking part, and a release mechanism including an operating part provided on the frame structure that is operable to cause the actuating assembly to pull the wheel mount latch to disengage from the wheel mount.

Abstract: A wheel mechanism includes a fixing base, a wheel base, a wheel, a fixing tube and a gasket. The gasket is disposed around the fixing tube to prevent the wheel with the wheel base from moving up and down. The upper gasket may be disposed between the fixing base and the wheel base to prevent the fixing base and the wheel base from colliding with each other to generate noise. The lower gasket may be disposed between the wheel base and the fixing tube to prevent the wheel base and the fixing tube from colliding with each other to generate noise. Further, when the wheel base is pivotally connected to the fixing base by the rotating shaft, the invention may selectively dispose at least one resilient member between at least two of the fixing base, the wheel base and the rotating shaft to prevent the wheel from shimmying.

Abstract: The present disclosure discloses a camera exposure processing method and system. The method includes: obtaining trigger signals, the trigger signals being used to trigger the camera to collect image data and trigger the light source to turn on and off in turn in a fixed sequence; triggering cyclically n light sources to turn on in turn; triggering multiple sensor lines of the camera to perform image acquisition on the object simultaneously; extracting the image data of the exposed object under the turned-on light source collected by the multiple sensor lines to obtain effective data of the object, wherein a sequential lighting order is that after a former light source is cyclically turned on y times, a latter light source is cyclically turned on y times; and splicing all image data of the same position of the object to obtain a spliced image of the object under different light sources.

Abstract: The present disclosure provides common voltage compensation method and device for display panel, a display panel, and a display device. The display panel includes a common electrode, a common voltage compensation unit, and common electrode lines. The common electrode lines are sequentially numbered according to a distance from the common voltage compensation unit, a number of the common electrode lines is n, and n is an integer greater than 8. The method includes: the common voltage compensation unit providing common voltage to the common electrode; the common voltage compensation unit detecting actual common voltage on one of N1-th common electrode line to N2-th common electrode line, N1 being a value rounded down from n/8, and N2 being a value rounded down from n/4; the common voltage compensation unit compensating the common voltage of the common electrode according to the detected actual common voltage.

Abstract: The present disclosure provides a display substrate, a display panel and a display apparatus, belonging to the field of display technology. The display substrate includes a base, a plurality of common electrodes and a plurality of common electrode lines, the common electrodes are distributed on the base in an array, the common electrode lines extend along a row direction, and each common electrode line is connected to a corresponding row of common electrodes. The common electrode line is connected to the common electrode through a conductive connection portion, and the conductive connection portion includes conductive structures stacked on top of one another in a plurality of layers. The display substrate can reduce the resistance between the common electrode and the common electrode line, thereby reducing the voltage difference between the common electrodes in the display substrate and improving the uniformity of the common voltage therein.

Abstract: The present disclosure provides a display substrate, including: a display area and a bonding area positioned on a side of the display area, the bonding area includes a plurality of bonding sub-areas arranged at intervals, the bonding sub-areas are arranged along a direction in which an edge of the display area extends and configured for bonding a chip-on-film, where a first antistatic layer is further arranged on the bonding area, at least a part of the first antistatic layer is positioned between adjacent ones of the bonding sub-areas, and the first antistatic layer is electrically coupled to a reference signal terminal. The present disclosure further provides a display device.

Abstract: A liquid butadiene-styrene polymer, a preparation method for same and an application of same, as well as a composition, a polymer coating, an adhesive and a cross-linking agent containing the same are provided. When the total weight of the liquid butadiene-styrene polymer is taken as a reference, in the liquid butadiene-styrene polymer, the content of a styrene structural unit is 15-30 wt %, the content of a butadiene structural unit is 70-85 wt %, and the content of a 1,2-structural unit is 60-80 wt %; when the total weight of the 1,2-structural unit in the liquid butadiene-styrene polymer is taken as a reference, the content of a cyclized 1,2-structural unit is 20-60 wt %. A coating formed by the liquid butadiene-styrene polymer not only has high peel strength for a substrate, but also has improved thermal expansion performance.

Abstract: A radio frequency communication method, a vehicle control method, a device, and a system are provided. The radio frequency communication method includes: acquiring a first response signal and a second response signal which are corresponding to a radio frequency tag, wherein the first response signal and the second response signal are respectively generated by the radio frequency tag responding to radio frequency signals of different powers; determining, based on the second response signal, positioning information of the radio frequency tag; and establishing, based on the positioning information and the first response signal, a communication connection to the radio frequency tag.

Abstract: A rolling cover of a pickup truck bed is disclosed in this application, and relates to a field of pickup truck accessories. The rolling cover of the pickup truck bed includes two sidebar guide rods and a first bar. Two ends of the first bar are respectively matched with the two sidebar guide rods, and the two sidebar guide rods are in parallel. The rolling cover of the pickup truck bed also includes a soft rolling tarpaulin, one end of which is matched with the first bar and the other end of which is provided with a second bar, and two ends of the second bar are detachably matched with the two sidebar guide rods. The disclosure has following beneficial effects: the soft rolling tarpaulin is adopted and the soft rolling tarpaulin can be fully furled into a tubular shape. When in use, the soft rolling tarpaulin can be fully furled together as long as the two ends of the second bar are disengaged from the sidebar guide rods on both sides.

Abstract: A mounting structure for a pickup bed cover is provided in this disclosure, which includes two mounting rods and a folding cover plate. The two mounting rods are in parallel, and the cover plate is fixed with the mounting rods together. The mounting structure for the pickup bed cover further includes a supporting rod, a first hinge seat and a second hinge seat. The first hinge seat is arranged on the mounting rods and the second hinge seat is arranged on the cover plate, one end of the supporting rod is fixedly hinged with the first hinge seat, and the other end of the supporting rod is detachably hinged with the second hinge seat. The disclosure has advantages as follows: with one end of the supporting rod being fixedly hinged and the other end of the supporting rod being detachably hinged, a stable mounting structure is obtained and it is more convenient to mount.

Abstract: Embodiments of the disclosure relate to a receiving card, which includes: a circuit board and a programmable logic device, a memory device, a plug-in component, a physical layer transceiver group and a plurality of Ethernet interfaces arranged on the circuit board. The memory device and the plug-in component are electrically connected with the programmable logic device; the plurality of Ethernet interfaces are respectively and electrically connected with a plurality of SerDes channels configured by the programmable logic device through the physical layer transceiver group; each of the plurality of SerDes channels includes two pairs of differential signal lines, and one of the two pairs of differential signal lines is used for transmitting data and the other pair of differential signal lines is used for receiving data.

Abstract: A super-resolution X-ray shadowgraph system includes an X-ray source, a sample stage, an X-ray detector and an image reconstruction device, which are arranged in sequence. Geometric centers of the X-ray source, the sample stage and the X-ray detector are collinear. The geometric center of the sample stage is provided with a through hole for placing a testing sample, the X-ray source is used for providing X-rays, and the X-rays penetrate the sample stage to form an image on the X-ray detector. The image reconstruction device is used for acquiring the image and performing an image reconstruction on the image to obtain a new image. The shadowgraph system and the imaging method therefor can overcome a deficiency of a lower resolution of the image limited by a size of the source, thereafter obtaining a clear shadowgraph with a high resolution.

Abstract: The present disclosure provides a display substrate, including: a display area and a bonding area positioned on a side of the display area, the bonding area includes a plurality of bonding sub-areas arranged at intervals, the bonding sub-areas are arranged along a direction in which an edge of the display area extends and configured for bonding a chip-on-film, where a first antistatic layer is further arranged on the bonding area, at least a part of the first antistatic layer is positioned between adjacent ones of the bonding sub-areas, and the first antistatic layer is electrically coupled to a reference signal terminal. The present disclosure further provides a display device.

Abstract: The present application discloses a calculation method for thickness of inner oxide layer of a martensitic heat-resistant steel in steam environment. The calculation method takes into account the steam temperature, the steam pressure and the operation time, which are the three factors that have significant effects on the thickness of the oxide layer, and with the help of a metal oxidation kinetic model, the formula is mathematically modified by combining a large number of actual operation and laboratory simulation experimental data of the power plant. A calculation method for thickness of inner oxide layer of 9% Cr martensitic heat-resistant steel in steam environment is obtained by using linear fitting and curve fitting, etc.

Abstract: The present application provides a method for separating nickel from lithium, comprising: (1) performing a saponification reaction on an extraction reagent and an alkaline compound to obtain a saponified extraction agent, wherein the extraction reagent comprises a specific carboxylic acid compound; (2) performing extraction and layering on a nickel-lithium feed liquid by using the saponified extraction agent obtained at step (1), so as to obtain a loaded organic phase and a raffinate water phase; and (3) using a back extraction agent to perform back extraction on the loaded organic phase obtained at step (2), so as to obtain a metal ion enrichment solution and a regenerated organic phase.

Abstract: The invention relates to various aspects of a ?-LED or a ?-LED array for augmented reality or lighting applications, in particular in the automotive field. The ?-LED is characterized by particularly small dimensions in the range of a few ?m.