Abstract: An auxiliary test paper detection device includes a reagent cap and a test paper cassette. The reagent cap contains a detection reagent, a sealing member is arranged at an opening of the reagent cap. The sealing member can be opened or removed under action of external force. Test paper is arranged in the test paper cassette, a sample absorption section of the test paper is exposed, an observation window is formed in the test paper cassette. A result display area of the test paper corresponds to the observation window. A connecting structure for connecting the test paper cassette and the reagent cap is provided, and when the test paper cassette and the reagent cap are connected through the connecting structure, a closed space is formed in an inner cavity of the reagent cap. The sample absorption section of the test paper extends into the inner cavity of the reagent cap.

Abstract: Disclosed are a display substrate and a method for manufacturing same, and a display apparatus.

Abstract: The disclosure relates an Al—Mg series aluminum alloy sheet, a preparation method and use thereof. The preparation method includes: step S1, melting and casting the alloy raw materials in sequence to obtain an aluminum alloy ingot; step S2, subjecting the aluminum alloy ingot to a two-stage homogenization treatment so as to obtain a homogenized aluminum alloy ingot; and step S3, subjecting the homogenized aluminum alloy ingot to hot rolling, primary cold rolling, intermediate annealing, final cold rolling, and finished product annealing in sequence to obtain the aluminum alloy sheet.

Abstract: A label printing and attaching system includes a label printing device and a label attaching device. The label printing device has an ink tape supply mechanism for supplying an ink tape with a label pattern. A label tape supply mechanism of the label printing device is adapted to supply a label tape that includes a carrier tape and blank label paper adhered to the carrier tape. The label printing device further includes a heat transfer machine adapted to heat transfer the label pattern on the ink tape onto the blank label paper of the label tape to obtain a desired label. The label attaching device has a label picker adapted to pick up the label with the printed label pattern from the label tape, and a moving device adapted to move the label picker to place the picked label with the printed label pattern onto a product.

Abstract: A Near-Field Communication (NFC) antenna and an electronic apparatus include a metal structure on a personal computer (PC), an inductor, a capacitor, and an NFC chip. One end of the metal structure on the PC is coupled to one end of the inductor. The other end of the inductor is coupled to one port of the NFC chip and one end of the capacitor. The other end of the metal structure on the PC is coupled to the other port of the NFC chip and the other end of the capacitor.

Abstract: An array substrate including a display area having a plurality of subpixels is provided. The plurality of subpixels includes a plurality of first subpixels in a display-bonding sub-area and a plurality of second subpixels in a regular display sub-area. The array substrate includes a plurality of thin film transistors on a first side of the base substrate and respectively in the plurality of subpixels. A respective one of the plurality of first subpixels includes a bonding pad on a second side of a base substrate; a lead line electrically connecting a respective one of a plurality of thin film transistors to the bonding pad; and a via extending through the base substrate. The lead line is unexposed in the array substrate. The lead line extends from the first side to the second side of the base substrate through the via, to connect to the bonding pad.

Abstract: A frequency-tunable film bulk acoustic resonator and a preparation method therefor are provided. The resonator includes a substrate, an air gap, a sandwiched structure formed by electrodes and piezoelectric layers, and an electrode lead-out layer, wherein the substrate is connected to the sandwiched structure formed by the electrodes and the piezoelectric layers, and a connection face of the substrate and the sandwiched structure formed by the electrodes and the piezoelectric layers is recessed towards inside of the substrate to form the air gap; and the electrode lead-out layer is connected to the sandwiched structure formed by the electrodes and the piezoelectric layers. The sandwiched structure formed by the electrodes and the piezoelectric layers includes a bottom electrode, piezoelectric layers, intermediate electrodes, and a top electrode, wherein the electrodes and the piezoelectric layers are alternately arranged to form the sandwiched structure.

Abstract: Provided is a display backplate including an array substrate and a plurality of pairs of connection structures on the array substrate, wherein the array substrate includes a plurality of thin-film transistors and a common electrode signal line, wherein at least one of the plurality of thin-film transistors is connected to one of a pair of connection structures and the common electrode signal line is connected to the other of the pair of connection structures; and an area of a first section of the connection structure is negatively correlated with a distance between the first section and a surface of the array substrate, and the first section is parallel to the surface of the array substrate.

Abstract: The invention provides a reaction system for preparing butyraldehyde by propylene carbonylation, comprising: a reactor; a side wall of the reactor is sequentially provided with a catalyst inlet, a propylene inlet and a synthesis gas inlet from top to bottom; the bottom of the reactor is provided with a solvent inlet; two micro-interface generators are arranged inside of the reactor from top to bottom, and the micro-interface generator located at a top end is connected to the propylene inlet to break the propylene gas into micron-scale micro-bubbles; the micro-interface generator located at a bottom is connected to the synthesis gas inlet for breaking the synthesis gas into micron-scale micro-bubbles; the outlets of the two micro-interface generators are opposite, and the outlets are connected with a gas distributor for evenly distributing raw materials.

Abstract: A content transmission method includes obtaining, by a first terminal device, a first instruction instructing the first terminal device to perform content transmission with a second terminal device sending, by the first terminal device, to the second terminal device, and in response to the first instruction, first information instructing the second terminal device to determine that that the first terminal device transmits content to the second terminal device. Receiving, by the first terminal device, content transmission direction indication information from the second terminal device, determining, by the first terminal device, first content, and sending, by the first terminal device, the first content to the second terminal device to display the first content.

Abstract: An illumination device, an LED driver circuit, a bleeder control circuit and a control method are provided. An AC input voltage is transmitted to a bus line after phase-cut processing. The bleeder control circuit includes a timing module configured to receive a bus voltage and at least one threshold voltage and generate a first time signal; a time processing module configured to receive the first time signal and generate a second time signal based on the first time signal in a previous power frequency half-wave cycle; and a control signal generation module configured to receive the second time signal and generate a first control signal for controlling a bleeder circuit. The beneficial effects of the present disclosure include the bleeder circuit being accurately controlled through the detection of the bus voltage and the implementation of the adaptive control method, thereby improving the operational efficiency and stability of the system.

Abstract: A leakage protection circuit and a dimming drive circuit are provided. A leakage detection circuit is configured to detect whether leakage occurs between two input terminals that receive an external signal. When leakage occurs, leakage protection measures are taken. A pulse generation circuit receives the sampling signal characterizing the voltage between the two input terminals to compare the sampling signal with two thresholds to control a detection path of the leakage detection circuit to be turned on or off according to a comparison result. The leakage detection path is enabled to be turned on twice by setting two pulse signals in a power frequency period, which can consider the leakage detection of the front-edge phase-cutting dimming and rear-edge phase-cutting dimming of the dimming drive circuit and has a wide range of applications.

Abstract: The present invention provides a compound or a pharmaceutically acceptable salt, isomer, prodrug, polymorph or solvate thereof, and a preparation method therefor and use thereof. The compound provided in the present invention has comparable or superior activity to Elagolix as a GnRHR antagonist in calcium flux assays and have better pharmacokinetic properties.

Abstract: A respirator for measuring a respiratory rate of a biofilm includes a body, a carbon dioxide absorption tube and a perforated partition disposed in an interior of the body. The perforated partition divides the interior of the body into an oxygen mass-transfer stir zone including a stirring device and a biofilm reaction zone for placing MBBR fillers. The carbon dioxide absorption tube includes an air vent and contains a solution capable of absorbing CO2. The perforated partition has a first hole corresponding to a middle portion and a lower portion of the perforated partition and acting as a liquid-exchange channel, and a second hole corresponding to an upper portion of the perforated partition and acting as a gas-exchange channel, and the oxygen mass-transfer stir zone is communicated with the biofilm reaction zone through the liquid-exchange channel and the gas-exchange channel.

Abstract: A buffer circuit for an LED driver circuit, a LED driver circuit, and a control method, the buffer circuit includes a first control switch connected in series in a rectified input loop and a feedback control module connected to the rectified input loop to obtain a loop current in the rectified input loop for generating a first control signal to the first control switch according to the loop current and a reference signal. The first control switch switches between a fully conducting state and a non-fully-conducting state based on the first control signal and restrains the loop current when the first control switch is in the non-fully-conducting state. The buffer circuit enhances the effect of restraining the current change rate and can effectively restrain current spikes in a circuit, resulting in higher safety and reliability.

Abstract: A power supply circuit and a light-emitting diode (LED) driving system using the power supply circuit are provided. The power supply circuit includes a linear conversion circuit, a first capacitor, and a direct current-direct current (DC-DC) conversion circuit, where an alternating current input signal is rectified to form a first rectified voltage. The linear conversion circuit receives the first rectified voltage and has an output terminal connected to the first capacitor. After the power supply circuit is started, the linear conversion circuit controls the first rectified voltage to charge the first capacitor in a time period when the first rectified voltage is near a trough. The DC-DC conversion circuit receives a first capacitor voltage and performs power conversion to output a supply voltage. At least part of the linear conversion circuit and at least part of the DC-DC conversion circuit can be integrated with an LED driving circuit.

Abstract: A toothbrush (100) including a head portion (120) formed from bamboo. A plurality of tuft holes (130) are formed into the head portion (120) and a bristle tuft (151) is positioned within each of the tuft holes (130) and secured by an anchor wire (200). The anchor wire (200) may be formed from a metal alloy that includes nickel. The anchor wire (200) includes a plurality of first grooves (210) in its first surface (203) and a plurality of second grooves (220) in its second surface (204). The grooves (210, 220) may have sidewalls (212, 213, 222, 223) that are perpendicular to its floor (211, 221). A width (WG1, WG2) of the grooves (210, 220) may be equal to a spacing (D2, D5) between the grooves (210, 220) and greater than a thickness (Ti) of the anchor wire (200).

Abstract: A tundish, wherein a steel passing hole (43) is provided at a lower portion of a gas-curtain weir refractory body (42); an argon duct (46), a gas chamber (45) and a gas-permeable brick (44) are connected to form a gas-curtain generating device, and the gas-curtain generating device is installed at the lower portion of the gas-curtain weir refractory body (42); the gas-permeable brick (44) is provided in association with the position of the steel passing hole (43), and a length of the gas-permeable brick is designed larger than a width of the steel passing hole (43); and a gas-curtain weir plate (4) is provided in a tundish container, the gas-curtain weir refractory body (42) crosses the tundish container horizontally, and divides the tundish container into a first region and a second region.