Abstract: A method for predicting a day-ahead wind power of wind farms, comprising: constructing a raw data set based on a correlation between the to-be-predicted daily wind power, the numerical weather forecast meteorological feature and a historical daily wind power; obtaining a clustered data set and performing k-means clustering, obtaining a raw data set with cluster labels, and generating massive labeled scenes based on robust auxiliary classifier generative adversarial networks; determining the cluster label category of the to-be-predicted day based on the known historical daily wind power and numerical weather forecast meteorological feature, and screening out multiple scenes with high similarity to the to-be-predicted daily wind power based on the cluster label category; and obtaining the prediction results of the to-be-predicted daily wind power at a plurality of set times based on an average value, an upper limit value and a lower limit value of the to-be-predicted daily wind power.

Abstract: A photoelectric detection circuit, a method of controlling the photoelectric detection circuit and a pixel unit are provided. The photoelectric detection circuit includes: a detection sub-circuit configured to generate a current flowing between a bias voltage signal terminal and a input node in response to an optical signal; a storage sub-circuit connected between the bias voltage signal terminal and the input node, and configured to store energy based on the current generated by the detection sub-circuit; an integrator sub-circuit having a first input terminal, a second input terminal and an output terminal, and configured to integrate a signal of the first input terminal based on a potential of the second input terminal to generate an integrated signal and output the integrated signal at the output terminal; and a control sub-circuit connected to a control signal terminal, the input node and the first input terminal of the integrator sub-circuit.

Abstract: A preparation process of the natural efficient self-assembled photothermal antibacterial nanoparticle is provided that includes mixing a solution of berberine in methanol and a solution of rhein of methanol to obtain a mixed solution, and then mixing the mixed solution with water and performing self-assembly reaction to obtain a self-assembled nanoparticle solution; and mixing the self-assembled nanoparticle solution with a solution of chromium chloride in methanol, and performing coordination reaction to obtain the natural efficient self-assembled photothermal antibacterial nanoparticle. The natural efficient self-assembled photothermal antibacterial nanoparticle prepared by the present invention can quickly raise the temperature under irradiation of near-infrared long-wave light, thus playing a role in instantaneous broad-spectrum sterilization.

Abstract: A degradable nano-preservative film with photodynamic bactericidal activity and a preparation method therefor, and belongs to the technical field of antibacterial preservative films is provided. The present invention synthesizes nanoparticles with aggregation-induced emission characteristic by self-assembly of berberine that is a natural plant antibacterial component and citric acid. Under white light, the nanoparticles can generate a large amount of reactive oxygen species (ROS), thereby exhibiting efficient and durable antibacterial activity. Nanoparticles are prepared by adding the nanoparticles as a filler to a film-mixed solution composed of sodium alginate, pullulan and egg white. With photodynamic bactericidal activity, the present invention improves over current antibacterial preservative films having short lasting effect and which require direct contact to realize bactericidal effect.

Abstract: The present disclosure provides a fingerprint identification driving circuit, a fingerprint identification circuit and a driving method thereof. The fingerprint identification driving circuit includes a shift register sub-circuit and an output sub-circuit. The output sub-circuit is configured to transmit a signal input from a first clock signal terminal to a scan signal output terminal of the output sub-circuit for outputting, in response to a signal input from a driving signal output terminal of the shift register sub-circuit; and is further configured to transmit a signal input from a first voltage signal terminal to the scan signal output terminal of the output sub-circuit for outputting, in response to a signal of a first node inside the shift register sub-circuit.

Abstract: A photoelectric detection circuit, a method of controlling the photoelectric detection circuit and a pixel unit are provided. The photoelectric detection circuit includes: a detection sub-circuit configured to generate a current flowing between a bias voltage signal terminal and a input node in response to an optical signal; a storage sub-circuit connected between the bias voltage signal terminal and the input node, and configured to store energy based on the current generated by the detection sub-circuit; an integrator sub-circuit having a first input terminal, a second input terminal and an output terminal, and configured to integrate a signal of the first input terminal based on a potential of the second input terminal to generate an integrated signal and output the integrated signal at the output terminal; and a control sub-circuit connected to a control signal terminal, the input node and the first input terminal of the integrator sub-circuit.

Abstract: A display panel is provided, including: a base substrate; a pixel circuit on the base substrate, the pixel circuit includes a transistor including an active layer, a gate electrode, a first electrode and a second electrode; and a fingerprint recognition circuit including a photosensitive circuit, a storage circuit and an output circuit, the storage circuit includes a first capacitor including a first capacitance electrode and a second capacitance electrode; the first capacitance electrode is arranged in the same layer as at least one of the gate electrode, the active layer, the first capacitor or the second electrode, and/or, the second capacitance electrode is arranged in the same layer as at least one of the gate electrode, the active layer, the first electrode or the second electrode; the first capacitance electrode is located in a layer different from a layer where the second capacitance electrode is located.

Abstract: A camera system comprises: a main control chip, wherein the main control chip includes at least one main control unit; at least one group of cameras, wherein each camera in each group of cameras includes an image acquisition control chip; and at least one pair of bidirectional differential data lines, wherein each pair of bidirectional differential data lines is connected to a single main control unit and all image acquisition control chips in a single group of cameras.

Abstract: A display substrate includes a plurality of sub-pixels. The display substrate further includes: a base substrate; a plurality of temperature sensors disposed on a first side of the base substrate; and a light-shielding layer disposed on a peripheral side, a side proximate to the base substrate, and a side away from the base substrate, of a temperature sensor in the temperature sensors. The temperature sensor is configured to detect a temperature of at least one of the plurality of sub-pixels. The light-shielding layer is configured to shield light emitted to the temperature sensor.

Abstract: The present disclosure relates to the technical field of oilfield chemicals, and discloses an acrylamide copolymer, wherein the acrylamide copolymer comprises a structural unit A, a structural unit B and a structural unit C, wherein the structural unit A has a structure shown in Formula (1), the structural unit B has a structure shown in Formula (2), and the structural unit C has a structure shown in Formula (3) and/or Formula (4); wherein R1 is methyl or H, R2 is —OH, —NH2, —COOH or C2-C12 alkyl, n is an integer between 0 and 6, and a, b and c are each independently selected from integers between 0 and 2.

Abstract: The invention displays aflatoxin B1 (AFB1) detection kit and AFB1 detection method. The invention belongs to the technical field of detecting harmful substances. The AFB1 detection kit was fabricated with DNA walker structure, endonuclease, hairpin H1 and H2. The AFB1 detection kit has benefits of high sensitivity and short detection time based on signal amplification strategy of DNA Walker structure and hyperbranched fluorescent nanotrees. The present invention can realize high sensitive and rapid detection of AFB1.

Abstract: A camera system comprises: a main control chip, wherein the main control chip includes at least one main control unit; at least one group of cameras, wherein each camera in each group of cameras includes an image acquisition control chip; and at least one pair of bidirectional differential data lines, wherein each pair of bidirectional differential data lines is connected to a single main control unit and all image acquisition control chips in a single group of cameras.

Abstract: A display panel includes a display substrate. The display substrate includes: a base substrate; a display structure layer including a plurality of pixel circuits and a plurality of light-emitting devices on the base substrate; and a light detection layer located at a non-light exit side of the light-emitting devices. A pixel circuit in the plurality of pixel circuits is electrically connected to a respective light-emitting device to drive the light-emitting device to emit light. The light detection layer is configured to detect a luminous intensity of at least one light-emitting device. The display substrate further includes: a transparent cover plate at a light exit side of the light-emitting devices; and a polarizer and a first quarter-wave plate between the display substrate and the transparent cover plate. The polarizer is closer to the display substrate than the first quarter-wave plate.

Abstract: The invention displays aflatoxin B1 (AFB1) detection kit and AFB1 detection method. The invention belongs to the technical field of detecting harmful substances. The AFB1 detection kit was fabricated with DNA walker structure, endonuclease, hairpin H1 and H2. The AFB1 detection kit has benefits of high sensitivity and short detection time based on signal amplification strategy of DNA Walker structure and hyperbranched fluorescent nanotrees. The present invention can realize high sensitive and rapid detection of AFB1.

Abstract: A display substrate includes a plurality of sub-pixels. The display substrate further includes: a base substrate; a plurality of temperature sensors disposed on a first side of the base substrate; and a light-shielding layer disposed on a peripheral side, a side proximate to the base substrate, and a side away from the base substrate, of a temperature sensor in the temperature sensors. The temperature sensor is configured to detect a temperature of at least one of the plurality of sub-pixels. The light-shielding layer is configured to shield light emitted to the temperature sensor.

Abstract: Disclosed are a display substrate, a display panel and a display apparatus. The display substrate includes a base substrate; a plurality of read signal lines, extending on the base substrate in a first direction; a plurality of display signal lines, extending on the base substrate in a second direction, the second direction intersects with the first direction, the plurality of display signal lines and the plurality of read signal lines are arranged on different layers, there is an overlapped region between an orthographic projection of the plurality of display signal lines on the base substrate and an orthographic projection of the plurality of read signal lines; and a shielding layer, located between a layer where the plurality of read signal lines are and a layer where the plurality of display signal lines are, an orthographic projection of the shielding layer on the base substrate at least covers the overlapped region.

Abstract: The present disclosure relates to the technical field of oilfield chemicals, and discloses an acrylamide copolymer, wherein the acrylamide copolymer comprises a structural unit A, a structural unit B and a structural unit C, wherein the structural unit A has a structure shown in Formula (1), the structural unit B has a structure shown in Formula (2), and the structural unit C has a structure shown in Formula (3) and/or Formula (4); wherein R1 is methyl or H, R2 is —OH, —NH2, —COOH or C2-C12 alkyl, n is an integer between 0 and 6, and a, b and c are each independently selected from integers between 0 and 2.

Abstract: A balance has a draft shield provided therefor. The shield has a base with upper and lower base covers (5, 6). The upper cover has a central hole in the middle thereof. A windproof ring is placed above the upper cover around a weighing pan of the balance. A shield (7) that is placed between the upper cover and the lower cover receives a weighing sensor (8) of the balance. A wind shield is placed above the base and a weighing compartment for receiving the weighing pan is placed between the wind shield and the upper cover. The windproof structure also has an isolation baffle (2) that is placed between the weighing pan and the upper cover. The high-accuracy balance of the present invention may effectively prevent air flow disturbances inside the balance.