Abstract: A dual-frequency antenna and an electronic device are provided, and belong to the field of communication technology. The dual-frequency antenna includes a first antenna unit and a second antenna unit opposite to each other, and a filtering unit therebetween. An operating frequency band of the first antenna unit is a first frequency band; an operating frequency band of the second antenna unit is a second frequency band; the filtering unit is configured to reflect an electromagnetic wave of the first frequency band and to transmit an electromagnetic wave of the second frequency band; the first antenna unit is configured to receive the electromagnetic wave of the first frequency band and to reflect the received electromagnetic wave of the first frequency band by the filtering unit; and the second antenna unit is configured to receive and reflect the electromagnetic wave of the second frequency band transmitted by the filtering unit.

Abstract: An antenna is provided, and belongs to the field of communication technology and includes a first dielectric substrate, a first conductive layer, a second dielectric substrate, a second conductive layer, a third dielectric substrate and a conductive third layer which are sequentially stacked. The first conductive layer includes at least one first and second feed lines; the second conductive layer is provided with at least one first and second openings; the third conductive layer includes at least one first radiation part. Orthographic projections of any two of a first opening, a first feed line, a first radiation part corresponding to each on the other first dielectric substrate overlap with other; each an orthographic projection of a first radiation part on the first dielectric substrate intersects with that of each of a corresponding first and second feed lines on the first dielectric substrate.

Abstract: A touch substrate, a display apparatus and a display system are provided. By rearranging and distributing transistors in each shift register, the number of transistors in a lateral direction is less than that of transistors in a longitudinal direction. That is a circuit structure of the shift register is designed to extend longitudinally, so that a size of the shift register in the lateral direction can be reduced, a narrow frame design is realized, and seamless splicing is favorably realized in a large-sized display panel.

Abstract: An antenna is provided and includes a bottom plate for being connected with a mounting body and an antenna body on the bottom plate. The antenna body includes: a substrate fixedly connected to the bottom plate; a plane of the substrate intersects the bottom plate; a radiation element on the substrate; a feeding structure configured to transmit and/or receive radio frequency signals to/from the radiation element and including a signal electrode and a ground electrode on a surface of the substrate. The signal electrode is electrically connected to the radiation element. On a reference plane perpendicular to the bottom plate, an orthographic projection of the ground electrode is spaced apart from that of the radiation element, and is entirely located between the orthographic projection of the radiation element and the bottom plate. The antenna can prevent the ground electrode from reflecting the electromagnetic waves radiated by the radiation element.

Abstract: A phase shifter and a preparation method thereof, and an electronic device. The phase shifter includes: an adjustable dielectric layer, arranged between a first electrode layer and a second electrode layer, and including a first support structure, wherein the first support structure is arranged on at least one side of a first region, and an orthographic projection of the first support structure on a first base plate is at least non-overlapping with an orthographic projection of the first region on the first base plate. The phase shifter provided in the present application is arranged in the non-capacitive overlap region between the first base plate and the second base plate through the first support structure, which can not only provide good support, but also reduce or even eliminate the impact on phase shifting, achieving large phase shift amount, high uniformity of phase shift degrees, and low loss.

Abstract: There is provided a phase shifter including a first substrate, a second substrate and a dielectric layer between the first substrate and the second substrate, the first substrate includes a first base and a first electrode layer on a side, of the first base, the second substrate includes a second base, a second electrode layer and a reference voltage leading-in end on a side of the second base, the reference voltage leading-in end is coupled to the second electrode layer, one of the first electrode layer and the second electrode layer includes a body structure and branch structures; an orthographic projection of an end of each branch structure away from the body structure on the first base is overlapped with an orthographic projection of the second electrode layer or the first electrode layer on the first base. An antenna is further provided.

Abstract: A method for determining the authenticity of an object by marking the object with a first luminescent material with a first decay behavior over time, marking the object with a second luminescent material with a second decay behavior that differs from the first decay behavior, excitation of the luminescent materials with a light pulse, measuring the afterglow intensities of both luminescent materials temporally after the excitation with the light pulse, forming a difference signal or identity signal from the afterglow intensities measured over the elapsed time, determining the time of a zero crossing of the difference signal or the time of the identity signal of a comparator, comparing the time determined by the zero crossing or by the identity signal with a setpoint value.

Abstract: A thin-film pressure sensor and an arrangement method thereof are provided. The thin-film pressure sensor includes a flat diaphragm and a first induction unit in the shape of a thin film arranged on the flat diaphragm, where the first induction unit includes m rotating multi-segment resistance wires arranged around the center of a circle of a circular deformation area of the flat diaphragm, m/2 rotating multi-segment resistance wires on one side are connected in series to form a second induction resistor, and m/2 rotating multi-segment resistance wires on the other side are connected in series to form a fourth induction resistor, where m is a multiple of 4; the arrangement method includes arrangement for the first induction unit. The radial strain and the tangential strain of the flat diaphragm can be fully utilized, and the detection sensitivity of the thin-film pressure sensor is improved.

Abstract: There is provided a phase shifter having a phase shift region and a peripheral region, and including a first substrate, a second substrate and a dielectric layer between such two substrates; the first substrate includes a first dielectric substrate, a first electrode and a first auxiliary structure; the second substrate includes a second dielectric substrate, a second electrode and a second auxiliary structure; the phase shift region includes overlapping regions; the first electrode and the second electrode are located in the phase shift region, and have orthographic projections, on the first dielectric substrate, overlapped at least partially in the overlapping regions; the first auxiliary structure is in the peripheral region and on a side, close to the dielectric layer, of the first dielectric substrate; the second auxiliary structure is in the peripheral region and on a side, close to the dielectric layer, of the second dielectric substrate.

Abstract: A remote testing system for smoke alarm systems and method of use thereof are disclosed. The system includes at least one controller associated with at least one building having a plurality of smoke alarm systems installed therein, at least one remotely accessible server operatively connected to the at least one controller for issuing a testing command to at least one selected smoke alarm system; at least one database operatively associated with the at least one remotely accessible server for storing operational data of each of the plurality of smoke alarm systems tested; and at least one external processing device. The external processing device is programmed to: instruct said at least one remotely accessible server to issue said testing command; receive said operational data for the test; and either generate an alert reporting a faulty smoke alarm system or generate a smoke alarm system compliance report.

Abstract: A texture recognition device and a display apparatus are provided. The texture recognition device has a plurality of pixel units, and includes a base substrate, a driving circuit layer, a photosensitive element layer, and a lens layer. The driving circuit layer and the photosensitive element layer are on the base substrate, and the lens layer is on a side of the photosensitive element layer away from the base substrate; at least one pixel unit includes a pixel driving circuit in the driving circuit layer, a plurality of photosensitive elements in the photosensitive element layer and a plurality of lens units in the lens layer, the pixel driving circuit is electrically connected with the plurality of photosensitive elements, and in a direction perpendicular to a surface of the base substrate, the plurality of photosensitive elements are in one-to-one correspondence with and overlap with the plurality of lens units.

Abstract: There is provided a method for measuring L-asparagine contained in a sample such as foods by using enzymes. There is provided a method with which L-glutamine, L-glutamic acid and L-aspartic acid can be distinguished from L-asparagine and removed, so that L-asparagine alone can be measured. There is provided a kit for measuring L-asparagine contained in a sample, which comprises the following solution A and solution B: (Solution A) a solution containing aspartate transaminase (GOT), glutaminase, L-glutamate oxidase, catalase, ascorbate oxidase, and ?-ketoglutaric acid; and (Solution B) a solution containing asparaginase, peroxidase, and a catalase inactivator; provided that one of the solution A and solution B contains a coupler compound, and the other contains a new Trinder's reagent. The method of the present invention is also suitable for quantification of asparagine contained in raw materials for processed foods such as agricultural products.

Abstract: A system for predicting adoption of a prescribed treatment plan by an individual includes a data repository, a memory storing instruction, and a control system to execute the instructions. The data repository is communicatively coupled to a network and includes a plurality of storage devices storing data. The control system receives at least a portion of the data stored in the data repository. The at least a portion of the data is associated with the individual. The control system uses the machine learning adoption prediction algorithm to process the received at least a portion of the data to determine a likelihood that the individual will adopt the prescribed treatment plan. Based at least in part on (i) the prescribed treatment plan and (ii) the determined likelihood that the individual will adopt the prescribed treatment plan, the control system generates a personalized treatment adoption plan for the individual.

Abstract: A flat panel detector and a method performed by the flat panel detector are provided. A plurality of pixel units are arranged in an array, each pixel unit includes pixels arranged in a K×K sub-array, and each pixel is configured to provide a photoelectric signal. K is an odd number greater than 1. A gate driving circuit is configured to turn on the pixel units row by row under, so as to cause K rows of pixels in each turned-on pixel unit to generate photoelectric signals. A readout circuit is configured to read photoelectric signals from K columns of pixels in each column of pixel units, and generate image data for each pixel unit according to the photoelectric signals. A control circuit is connected to the gate driving circuit and the readout circuit.

Abstract: A dimming module and method for manufacturing the same, and a dimming glass, relate to the field of smart glass technology. The dimming module includes: a first dimming structure (10) and a second dimming structure (20). Each of the first dimming structure (10) and the second dimming structure (20) includes a first substrate (1), a second substrate (2) and a liquid crystal layer (3), and a first flexible circuit board (4) and a second flexible circuit board (5). The first substrate (1) is provided with a first binding area (11), and a first electrode (6) on one side facing the liquid crystal layer (3). The second substrate (2) is provided with a second binding area (21), and a plurality of second electrodes (7) on one side facing the liquid crystal layer (3).

Abstract: The present disclosure provides an optical identification module and a display panel. The optical identification module includes a substrate, an identification structure and a collimation optical path structure, where the identification structure is arranged on the substrate, the collimation optical path structure is arranged on a light entering side of the identification structure, the optical identification module further includes a non-visible light filtering structure, and the non-visible light filtering structure is arranged in the collimation optical path structure and configured to filter non-visible light irradiated to the identification structure.

Abstract: An easy-to-clean visual grain monitoring device includes a housing. A circuit board is provided within the housing and is connected with a monitoring unit; an insect collecting pipe, which is provided within the housing, includes multiple first entrances; the housing includes multiple second entrances which are corresponding to the first entrances respectively; an execution element, which is installed on a base, is connected with a lower end of the insect collecting pipe for driving the insect collecting pipe to move up and down; an insect leaking passage, which is provided at an upper end of the base, extends downwards along a side wall of the base; a tail end of the insect leaking passage has a first insect leaking hole for discharging pests, the housing has a second insect leaking hole in a position corresponding to the first insect leaking hole.

Abstract: A transition unit of a radio frequency device provides a transition between a planar differential pair transmission line and a hollow radio frequency waveguide. It comprises a substrate layer arrangement with a planar differential pair transmission line arranged on one or more surfaces of at least one substrate layer, whereby an end section of the differential pair transmission line is configured as a radio frequency signal transition pattern. It further comprises an end section of a waveguide that is attached to the substrate layer arrangement and that superposes the radio frequency signal transition pattern. The waveguide is directed perpendicular to the substrate layer arrangement. An open end of the end section of the waveguide is attached to a first outer surface or a second outer surface of the substrate layer arrangement. The transition pattern comprises open loop shaped end sections of a first and second transmission line segment.

Abstract: The present disclosure discloses a sample preliminary screening chip, a specimen detecting method and a screening device. A data processor may be configured to control a sample solution containing a specimen to be added into a preliminary screening inlet of the sample preliminary screening chip, and control the sample solution in the preliminary screening inlet to enter a channel, successively to flow through a first preliminary screening area and a second preliminary screening area, and to flow out from a preliminary screening outlet so as to store a liquid with the specimen in a first preliminary screening area. In this way, the liquid containing the specimen may be screened preliminarily.

Abstract: A gas sensing device for detecting a to-be-detected substance in a respiratory gas exhaled by a user includes a housing permitting entrance of the respiratory gas, and a sensing module disposed in the housing. The sensing module includes a light chamber permitting the respiratory gas to pass therethrough, a light source unit emitting light into the light chamber, first and second light sensing units outputting respectively first and second detected signals indicating first and second detected intensities respectively of first and second portions of the light whose wavelengths fall within first and second wavelength ranges, respectively, and a processing unit electrically connected to the first and second light sensing units and determining, based on the first and second detected signals, that the to-be-detected substance exists in the respiratory gas when a difference occurs in each of the first and second detected intensities over time.