Abstract: A planar transparent antenna structure is provided. The planar transparent antenna structure includes a dielectric substrate, a radiation conductive layer and a ground conductive layer. The dielectric substrate has a first surface and a second surface. The radiation conductive layer is disposed on the first surface of the dielectric substrate. The ground conductive layer is disposed on the second surface of the dielectric substrate. The radiation conductive layer and the ground conductive layer are composed of a plurality of wires connected in a mesh manner. Each of the wires is composed of a plurality of grid lines connected in a mesh manner.

Abstract: A planar transparent antenna structure is provided. The planar transparent antenna structure includes a dielectric substrate, a radiation patch conductive layer, a parasitic patch conductive layer and a ground conductive layer. The radiation patch conductive layer is disposed on the dielectric substrate. The radiation patch conductive layer is a ring structure. The parasitic patch conductive layer is disposed on the dielectric substrate. The ground conductive layer is disposed on the dielectric substrate. The radiation patch conductive layer, the parasitic patch conductive layer and the ground conductive layer are composed of a plurality of wires interconnected and connected with each other and are light-transmissive.

Abstract: A PDCP SDU discard method, adapted for a UE, is provided. The method includes: setting one or more discard timers based on a RRC configuration transmitted from a network device; receiving a PDCP SDU from a upper layer, wherein the PDCP SDU corresponding to a PDU belonging to a PDU Set; and in response to receiving a PSI-based SDU discard indication from the network device, determining whether to discard the PDCP SDU or not according to a PSI of the PDU Set and a target discard timer. The step of determining whether to discard the PDCP SDU according to the PSI of the PDU Set and the target discard timer comprises: identifying the PSI of the PDU Set; determining the target discard timer corresponding to the PSI among the one or more discard timers; and discarding the PDCP SDU when the target discard timer is expired.

Abstract: A sport assistance system and a sport assistance method are provided. The sport assistance method includes: obtaining a real-time heart rate; executing a first assistance procedure according to a target heart rate, a maximum heart rate, a resting heart rate, a first media and the real-time heart rate; and executing a second assistance procedure according to the target heart rate and the real-time heart rate. The first assistance procedure includes: playing the first media at a first tempo rate; and adjusting the first tempo rate according to the real-time heart rate until the real-time heart rate is close to the target heart rate and a first scheduled time is met. The first initial value is greater than the resting heart rate. The second assistance procedure includes: playing a second media; and adjusting a second tempo rate according to an adjustment parameter until a second scheduled time is met.

Abstract: A drone monitoring and control system includes: a drone, a mobile vehicle configured to carry the drone, a computing device and a display device. The drone is disposed with an operation payload and a camera. The drone performs an output operation of the operation payload. The computing device outputs a first environment image according to a first image captured by the camera, generates a flight trajectory of the drone and a movement trajectory of the mobile vehicle according to an operation data set including a target location of a target object and 3D terrain data, controls the drone to move to a set location according to the flight trajectory, and controls the drone to stay at the set location when a distance between the target and set locations is less than a preset distance. The display device displays the first environment image and the 3D terrain data.

Abstract: A device for recycling sulfuric acid is provided. A container has an inner space. An inlet is located on the first side of the container for introducing a liquid containing sulfuric acid and hydrogen peroxide through a pump. An outlet is located on the second side of the container for exhausting the treated liquid from the container, and the first side and the second side are opposite sides. IR lamp and UV lamp are located in the inner space of the container for making contact with the liquid. IR radiation emitted from the IR lamp and UV radiation emitted from the UV lamp decompose the hydrogen peroxide in the liquid to water and oxygen. The IR radiation heats the liquid to 90° C. to 130° C., and the oxygen is exhausted through the air hole.

Abstract: A composition for stabilizing cell-free nucleic acid and/or exosomal nucleic acid in blood is provided. The composition for stabilizing cell-free nucleic acid and/or exosomal nucleic acid in blood is (a) a first composition or (b) a second composition. The first composition includes (i) an antiseptic component including an allantoin-formaldehyde condensation product; (ii) an enzyme inhibitory component including a first metal chelator and (iii) a metabolic inhibitory component including NaF or sodium azide. The second composition includes (i) an antiseptic component including an allantoin-formaldehyde condensate; (ii) an enzyme inhibiting component including a first metal chelator; (iii) a metabolic an inhibitory component including NaF or sodium azide; and (iv) an anticoagulant component including a second metal chelator.

Abstract: A multi-stage buck converter is provided. The multi-stage buck converter includes a capacitor string, a power switch module and a power conversion module. The capacitor string includes N capacitors connected in series. The power switch module is coupled to the capacitor string and includes N power switch groups. The power conversion module is coupled to the power switch module and includes an energy storage element. Wherein a working frequency of the power conversion module is equal to N times of the switching frequency of each of the N power switch groups, and N is a positive integer greater than or equal to 2. Wherein the working frequency is the number of times of the energy storage element that completes charging and discharging in a unit time.

Abstract: An electrochromic composition includes an oxidizable compound, a reducible compound, and a solvent. The oxidizable compound includes wherein each R2 is independently —N(R1)2, —OR1, or —R1, and R1 is C1-3 alkyl group. The reducible compound has a chemical structure of and each R3 is independently C4-12 alkyl group, —OCnH2n+1, and n=0˜7.

Abstract: An aluminum alloy melt is manufactured by adopting an aluminum alloy powder through laser laminated manufacturing. The aluminum alloy powder includes Si: 2.0-4.5 wt %; Mg: 0.1-1.3 wt %; Fe: 0.07-0.65 wt %; Cu: 0.35 wt % or less; Cr: 0.02-0.32 wt %; Zn: 0.23 wt % or less; Ti: 0.23 wt % or less; Mn: 0.13 wt % or less; and the rest is aluminum. The aluminum alloy powder further includes inevitable impurities.

Abstract: A semiconductor device and a manufacturing method of the semiconductor device. The semiconductor device includes: a semiconductor substrate; a bottom electrode metal layer and a top electrode metal layer located on the semiconductor substrate; a resistive layer located between the bottom electrode metal layer and the top electrode metal layer, where the transverse width of the resistive layer is greater than the transverse width of the bottom electrode metal layer and/or the top electrode metal layer, and the resistive layer has a variable resistance; an oxygen barrier layer located between the bottom electrode metal layer and the top electrode metal layer, where the oxygen barrier layer is located above the resistive layer; and an oxygen grasping layer located between the bottom electrode metal layer and the top electrode metal layer, where the transverse width of the oxygen grasping layer is less than the transverse width of the resistive layer.

Abstract: A method of training AI for label-free cell viability determination includes a step of providing a cell sample, a step of obtaining a fluorescence image and a DHM image of the cell sample, a step of determining a first cell viability of the cell sample according to the fluorescence image of the cell sample, a step of labeling the DHM image of the cell sample as a model specifying the first cell viability, and a step of performing AI training by using the model containing the DHM image of the cell sample.

Abstract: An array lens module calibration equipment includes a carrying platform, a visual positioning module, a laser alignment module, a depth-of-field measurement module, and a coplanarity adjustment module. An array lens module has an optical axis and includes a substrate, a calibration via through the substrate, a plurality of lens frames, and a plurality of lens sets. The visual positioning module is configured to provide a visual positioning beam and capture an image of an appearance to obtain appearance information. The laser alignment module is configured to provide a calibration laser beam so as to obtain alignment information. The depth-of-field measurement module is configured to capture a depth-of-field image to obtain depth-of-field information. The coplanarity adjustment module is configured to adjust relative positions of the plurality of lens frames relative to the substrate in an optical axis direction based on the appearance information, the alignment information, and the depth-of-field information.

Abstract: An array objective lens module, having an optical axis and including a substrate, multiple lens frames, and multiple objective lens sets is provided. The substrate includes multiple accommodating vias. Each accommodating via includes an internal thread structure. The lens frames are respectively disposed in the accommodating vias. Each lens frame includes an external thread structure. The external thread structure is adapted to the internal thread structure. The objective lens sets are respectively disposed in the lens frames. Each objective lens set includes at least one lens, and a relative position of each frame and the substrate in an extension direction of the optical axis changes according to a relative rotation angle of the corresponding external read structure and internal thread structure.

Abstract: A method of predicting the efficacy of natural killer cells, including: generating a plurality of training data corresponding to a plurality of donors based on a characteristic factor and a corresponding killing result against the target cancer cells of a plurality of cultured natural killer cells from the donors; obtaining a trained neural network model by inputting the plurality of training data into a neural network model; inputting a to-be-tested input vector corresponding to at least one characteristic factor of a to-be-tested natural killer cell into the trained neural network model to obtain an outputted result vector of the trained neural network model, wherein the result vector indicates a predicted killing result corresponding to the target cancer cell after applying the to-be-tested natural killer cell; and determining a quality of the to-be-tested natural killer cell based on the predicted killing result.

Abstract: A method and system for compensating anti-dizziness predicted in advance are provided. The method for compensating anti-dizziness predicted in advance includes the following steps. A six-degrees-of-freedom information is obtained. Through using a machine learning model, an attitude prediction compensation information is obtained according to the six-degrees-of-freedom information. A path information is obtained. A path prediction compensation information is obtained according to the path information. A road information is obtained. A road prediction compensation information is obtained according to the road information. A display information is compensated according to the attitude prediction compensation information, the path prediction compensation information, or the road prediction compensation information.

Abstract: The disclosure discloses a Saccharopolyspora composition and its application in foods, and belongs to the technical field of food fermentation. The disclosure screens Saccharopolyspora hirsuta J2 and Saccharopolyspora jiangxiensis J3 that have an effect of reducing biogenic amine content from wheat koji, and the two strains are prepared into a Saccharopolyspora mixed preparation for use in a preparation process of a fermented alcoholic beverage, fermented food or fermented condiment, so that amino acid content and nutritional value of a fermented product can be improved while the biogenic amine content is reduced, thereby achieving effects of enhancing quality of the fermented food and improving safety of the fermented food, and therefore, the Saccharopolyspora composition has a broad application prospect.

Abstract: A semiconductor device and a manufacturing method of the semiconductor device. The semiconductor device includes: a semiconductor substrate; a bottom electrode metal layer located in the semiconductor substrate and a top electrode metal layer located on the semiconductor substrate; a resistive layer located between the bottom electrode metal layer and the top electrode metal layer, where the resistive layer has a variable resistance; a first oxygen grasping layer located between the bottom electrode metal layer and the top electrode metal layer, where the first oxygen grasping layer is located above the resistive layer; a second oxygen grasping layer located in the bottom electrode metal layer, where upper surfaces of the semiconductor substrate, the bottom electrode metal layer, and the second oxygen grasping layer are flush, and the resistive layer covers the semiconductor substrate, the bottom electrode metal layer, and the second oxygen grasping layer.

Abstract: An encoded substrate to be filmed by a camera device for generating an image is provided. The encoded substrate includes a plurality of grids arranged in a form of two-dimensional array, wherein each grid includes a first pattern and a second pattern not overlapped with each other. The first pattern corresponds to a first-dimensional encoded value, and the second pattern corresponds to a second-dimensional encoded value. The image is processed by a processor for scanning the plurality of grids. In a first-dimensional direction, the processor outputs a first coordinate according to at least two first patterns corresponding to at least two consecutive grids among the plurality of grids. In a second-dimensional direction, the processor outputs a second coordinate according to at least two second patterns corresponding to at least two consecutive grids among the plurality of grids.

Abstract: The present disclosure provides a camera calibration method and a system thereof. The method includes setting up a camera in a space; establishing or selecting two line segments in the space, and obtaining an image of the space including the two line segments, and obtaining heights and image coordinates of upper and lower endpoints of the two line segments; calculating a focal length, a first rotation angle, a second rotation angle and a third element of a translation vector of the camera based on the information of the two line segments; calculating a third rotation angle of the camera based on a reference direction and the camera information obtained above; calculating a first element and a second element of the translation vector of the camera based on a reference point and the camera information obtained above.