Abstract: A method of manufacturing a three dimensional article includes forming the three-dimensional article with three-dimensional printing, processing the three-dimensional article to remove support material ink, illuminating the three-dimensional article with electromagnetic radiation, inspecting the three dimensional article for photoluminescence that is responsive to the illumination, and verifying whether the support material has been sufficiently removed based upon the inspection. The support material ink includes a phosphor component that phosphorescently emits light in response to the illumination.

Abstract: A somatosensory electronic puzzle comprises a puzzle base and puzzle blocks. The puzzle blocks are detachably connected to the puzzle base. The puzzle base comprises a bottom plate and a frame. The frame is disposed with a control module and a storage module for storing a graphic code, and an outer surface of the frame is disposed with a function selection switch. The function selection switch is connected to an input terminal of the control module. The puzzle blocks comprise a combination of one or more light-emitting puzzle blocks, a wind generating puzzle block, a smell generating puzzle block, a rain generating puzzle block, a tree puzzle block, a lightning and thunder generating puzzle block, a person puzzle block, or an animal puzzle block. The one or more light-emitting puzzle blocks comprise a puzzle block comprising a constant color and a puzzle block comprising variable colors.

Abstract: Dual-modality relation networks for audio-visual event localization can be provided. A video feed for audio-visual event localization can be received. Based on a combination of extracted audio features and video features of the video feed, informative features and regions in the video feed can be determined by running a first neural network. Based on the informative features and regions in the video feed determined by the first neural network, relation-aware video features can be determined by running a second neural network. Based on the informative features and regions in the video feed, relation-aware audio features can be determined by running a third neural network. A dual-modality representation can be obtained based on the relation-aware video features and the relation-aware audio features by running a fourth neural network. The dual-modality representation can be input to a classifier to identity an audio-visual event in the video feed.

Abstract: The present disclosure provides a liquid crystal phase shifting device, a manufacturing method for the liquid crystal phase shifting device, a liquid crystal phase shifter, and an antenna, aiming to achieve the better curved surface applications of the liquid crystal phase shifting device and thus increases the applications. The liquid crystal phase shifting device includes: a first flexible substrate and a second flexible substrate that are opposite to each other; a microstrip line arranged on a side of the first flexible substrate facing towards the second flexible substrate; an electrode layer arranged on a side of the second flexible substrate facing towards the first flexible substrate; and solid-state liquid crystal arranged between the microstrip line and the electrode layer. The liquid crystal phase shifting device is used for performing phase shifting on a microwave signal.

Abstract: The present invention discloses cement mortar containing excavated soil prepared by replacing natural sand with engineering soil, and a preparation method therefor and an application thereof. The preparation method includes drying and grinding waste engineering soil taken from a construction site first, sieving and mixing it to form recycled engineering soil, and putting the recycled engineering soil and natural sand into a mortar mixer according to a certain proportion to form a sandy soil mixture; then pouring water and cement into the mortar mixer, adding a part of the sandy soil mixture and a part of a water-reducing admixture, and evenly stirring; and finally, adding the remaining sandy soil mixture and water-reducing admixture, and evenly stirring to obtain the cement mortar containing excavated soil.

Abstract: A security guarantee method and apparatus for a full life cycle of a packet are disclosed. The method includes: in response to a data packet generated at a communication source, performing by a distributed network node, authenticity verification on a source address and an identity of the data packet; in a network forwarding process of the data packet, performing by the distributed network node, collaborative sampling on the data packet and performing credibility verification on related routing behaviors; in response to the data packet reaching a destination end, verifying by the destination end, the legality of the data packet.

Abstract: Provided are a liquid crystal phase shifting unit, a method for manufacturing the same, a liquid crystal phase shifter, and an antenna, which relate to the technical field of phase shifting. A liquid crystal filling region (6) is supported steadily by a support structure (4), which increases the transmission stability of a microwave signal. A space between a first substrate (1) and a second substrate (2) of the liquid crystal phase shifting unit includes the liquid crystal filling region (6). A microstrip line (3) is provided on a surface of the first substrate (1) facing towards the second substrate (2). An orthographic projection of the microstrip line (3) on the first substrate (1) is located in the liquid crystal filling region (6). The support structure (4) is provided between the first substrate (1) and the second substrate (3) and in the liquid crystal filling region (6).

Abstract: Provided is a liquid crystal phase shifter, including a first substrate and a second substrate opposite to the first substrate; a liquid crystal layer between the first and second substrates; phase-shifting units each including a microstrip line, a phased electrode and two feed terminals, the microstrip line is located between the first substrate and the liquid crystal layer, the phased electrode is located between the second substrate and the liquid crystal layer, the two feed terminals are located at a side of the first or second substrate facing away from the other, and in a direction perpendicular to the first substrate, two ends of the microstrip line respectively overlap the two feed terminals, the phased electrode includes at least two sub-electrodes spaced apart from each other, and the microstrip line includes effective line segments respectively corresponding to each sub-electrode, and the sub-electrodes covers a corresponding effective line segment.

Abstract: The present disclosure provides conjugates of polypeptides comprising GLP-1, polypeptide linker and FGF21. Pharmaceutical compositions comprising the same and methods of treating diseases are also provided.

Abstract: Disclosed are methods and systems for using artificial intelligence (AI) for image recognition by using predefined coordinates to extract a portion of a received image, the extracted portion comprising a word to be identified having at least a first letter and a second letter; executing an image recognition protocol to identify the first letter; when the server is unable to identify the second letter, the server executes an AI model having a nodal data structure to identify the second letter based upon the identified first letter, the nodal data structure comprising a set of nodes where each node represents a letter, each node connected to at least one other node, wherein connection of a first node to a second node corresponds to a probability that a letter corresponding to the second node is used in a word subsequent to a letter corresponding to the first node.

Abstract: An electrical power system for a vehicle comprising a base powernet and a primary powernet electrically connected to primary safety critical loads. A switch is disposed between the base powernet and the primary powernet. The switch is configured to transition between a closed state that electrically connects the base powernet to the primary powernet and an open state that disconnects the base powernet from the primary powernet.

Abstract: A radiator for an antenna comprises a radiating element having a radiating arm and a feed portion and a first dielectric structure configured to cover at least 50% of the radiating element, the dielectric structure having a dielectric constant of at least 3.0. The dielectric structure reduces a first electrical length of the radiating arm by at least 20% and also reduces a second electrical length of the feed portion by at least 20%.

Abstract: A sequence of frames of a video can be received. For a given frame in the sequence of frames, a gradient-embedded frame is generated corresponding to the given frame. The gradient-embedded frame incorporates motion information. The motion information can be represented as disturbance in the gradient-embedded frame. A plurality of such gradient-embedded frames can be generated corresponding to a plurality of the sequence of frames. Based on the plurality of gradient-embedded frames, a neural network such as a generative adversarial network is trained to learn to suppress the disturbance in the gradient-embedded frame and to generate a substitute frame. In inference stage, anomaly in a target video frame can be detected by comparing it to a corresponding substitute frame generated by the neural network.

Abstract: Base station antennas are provided herein. A base station antenna includes a plurality of vertical columns of low-band radiating elements configured to transmit RF signals in a first frequency band. The base station antenna also includes a plurality of vertical columns of high-band radiating elements configured to transmit RF signals in a second frequency band that is higher than the first frequency band. The vertical columns of high-band radiating elements extend in parallel with the vertical columns of low-band radiating elements in a vertical direction.

Abstract: The embodiments of the present disclosure provide a shift register unit, a gate driving circuit and a driving method thereof, and a display device. The shift register unit, includes two transfer gate modules (211, 212), two NOR gate modules (NOR1, NOR2), two AND gate modules (AND3, AND4), two capacitor modules (241, 241), and two inverter modules (225, 227). The shift register unit provided in the present disclosure can make the layout area occupied by the corresponding gate driving circuit reduce greatly as compared with that occupied by the gate driving circuit in the prior art, which facilitates border narrowing of the corresponding display device.

Abstract: A multi-band radiating array includes a reflector, a plurality of first radiating elements defining a first column on the reflector, a plurality of second radiating elements defining a second column on the reflector alongside the first column, and a plurality of third radiating elements defining a third column on the reflector between the first and second columns. The first radiating elements have a first operating frequency range, the second radiating elements have a second operating frequency range that is wider than the first operating frequency range, and the third radiating elements have a third operating frequency range that is lower than the second operating frequency range. Related radiating elements are also discussed.

Abstract: A base station antenna includes a column of radiating elements comprising first and second sets of radiating elements, each radiating element being configured to operate in a first frequency band that has first and second sub-bands. The second set of radiating elements is located above and/or below the first set of radiating elements. The antenna further includes a feeding assembly that is configured to feed first RF signals that are in the first sub-band and second RF signals that are in the second sub-band to the column of radiating elements, where the feeding assembly is configured to partially attenuate sub-components of the second RF signals that are fed to the second set of radiating elements more than sub-components of the first RF signals that are fed to the second set of radiating elements.

Abstract: A combined remediation method of petroleum-contaminated soil includes: impurity removal pretreatment, photocatalytic pre-oxidation, stepwise thermal desorption of petroleum from soil, and high-temperature oxidation; with iron-titanium composite metal oxide (ITCMO) as a catalyst, conducting oxidation pretreatment under light conditions so that some cross-linked structures in macromolecular petroleum contaminants are broken and degraded; and conducting stepwise pyrolysis to achieve a removal rate of more than 98.00%. The new method adopts a combined remediation technology of photocatalytic pre-oxidation-stepwise pyrolysis, which realizes a relatively-high removal rate of petroleum hydrocarbons and the efficient and harmless remediation of high-concentration petroleum-contaminated soil, and remedied soil can be reused.

Abstract: Provided is a liquid crystal phase shifting device including: a first substrate and a second substrate that are opposite to each other, wherein first protrusions is provided on a surface of the first substrate facing towards the second substrate, second protrusions is provided on a surface of the second substrate facing towards the first substrate, and the first protrusions and the second protrusions are alternately arranged; a microstrip line provided on the surface of the first substrate facing towards the second substrate, the microstrip line covering at least part of the first protrusions; first support pads provided between the first substrate and the second substrate; a ground electrode provided on the surface of the second substrate facing towards the first substrate, the ground electrode overlapping at least part of the second protrusions; and liquid crystal molecules provided between the microstrip line and the ground electrode.

Abstract: A display panel a display device are provided. The display panel includes a plurality of pixel units arranged in a row direction and in a column direction, the display panel includes a display region. An edge of the display region includes a fold line formed by connecting a line segment extending in the row direction and a line segment extending in the column direction, a parallelogram region formed in the display region taking two adjacent line segments as adjacent sides includes the pixel units; directions from an intersection point of the two adjacent line segments to end points of the two adjacent line segments other than those at the intersection point are a first direction and a second direction, respectively; in the parallelogram region, aperture ratios of the pixel units arranged in at least one of the first direction and the second direction increase gradually.