Abstract: A display substrate, a manufacturing method thereof, and a display device are provided. The display substrate includes a base substrate and a white OLED display unit on the base substrate, and further includes: an optical adjustment structure on a light emitting side of the white OLED display unit, where the optical adjustment structure is in a peripheral region of each pixel region. The optical adjustment structure is configured to absorb light in a first wavelength range or convert light in a first wavelength range into light in a second wavelength range.

Abstract: The present application provides a perovskite solar cell, including conductive glass, a hole transport layer, a perovskite layer, an electron transport layer and a back electrode, where a passivation layer may be disposed between the hole transport layer and the perovskite layer, and the passivation layer may include an amide and/or a cation thereof, where the amide may include a compound of formula (1) and/or formula (2): where R1 and R2 are each independently selected from hydrogen, —R, —NR2, —NHR, —NH2, —OH, —OR, —NHCOR, —OCOR, and —CH2COOH, where R represents a straight or branched chain alkyl group having 1-10 carbon atoms, m is an integer of 0 to 10; and n is an integer of 1 to 10; and where Ar is selected from a C5-C10 aryl or heteroaryl group.

Abstract: A perovskite solar cell includes a transparent electrode, an electron transport layer, a perovskite layer, a hole transport layer, and a second electrode in sequence. The perovskite layer includes a main perovskite layer and a two-dimensional perovskite coating layer covering both surface and periphery of the main perovskite layer. The two-dimensional perovskite coating layer includes a first overlay layer disposed between the main perovskite layer and the electron transport layer, a second overlay layer disposed between the main perovskite layer and the hole transport layer, and a third overlay layer covering the periphery of the main perovskite layer.

Abstract: A sample feeding apparatus, a sample analyzing device, and a control method for a sample feeding apparatus are disclosed. At least two of a feeding unit, a temporary storage unit, and a recovery unit together form a vertical stack structure, and a dispatching manipulator transfers a sample vessel among the feeding unit, the temporary storage unit, the recovery unit, and a sample aspiration region. The space in a vertical direction can be reasonably utilized, superposition is performed in space to simplify the dispatching process, and the occupation of a horizontal space is reduced. As a result, the floor space is reduced, and the apparatus is further miniaturized.

Abstract: The present application provides a perovskite solar cell, including conductive glass, a hole transport layer, a perovskite layer, an electron transport layer and a back electrode, where a passivation layer may be disposed between the hole transport layer and the perovskite layer, and the passivation layer may include an amide and/or a cation thereof, where the amide may include a compound of formula (1) and/or formula (2): where R1 and R2 are each independently selected from hydrogen, —R, —NR2, —NHR, —NH2, —OH, —OR, —NHCOR, —OCOR, and —CH2COOH, where R represents a straight or branched chain alkyl group having 1-10 carbon atoms, m is an integer of 0 to 10; and n is an integer of 1 to 10; and where Ar is selected from a C5-C10 aryl or heteroaryl group.

Abstract: A perovskite solar cell includes following components provided successively from bottom to top: a transparent conductive glass substrate, a first transport layer, a perovskite layer, a second transport layer, a conductive electrode, and a back plate glass. The perovskite solar cell further includes an encapsulating adhesive. The transparent conductive glass substrate, the back plate glass, and the encapsulating adhesive form an enclosed space. The enclosed space contains a mixture of an inert gas and a methylamine gas, where a volume ratio of the inert gas to the methylamine gas is in a range from 9:1 to 5:5.

Abstract: A perovskite solar cell includes following components provided successively from bottom to top: a transparent conductive glass substrate, a first transport layer, a perovskite layer, a second transport layer, a conductive electrode, and a back plate glass. The perovskite solar cell further includes an encapsulating adhesive. The transparent conductive glass substrate, the back plate glass, and the encapsulating adhesive form an enclosed space. The enclosed space contains a mixture of an inert gas and a methylamine gas, where a volume ratio of the inert gas to the methylamine gas is in a range from 9:1 to 5:5.

Abstract: A perovskite solar cell, a preparation method therefor and a power consuming device are provided. In some embodiments, the perovskite solar cell of the present application has, in order, a back electrode, a hole transport layer, an interface passivation layer, a perovskite layer, an interface passivation layer, an electron transport layer, and conductive glass, wherein the HOMO energy level of an interface between the perovskite layer and the interface passivation layer is 0.01-0.4 eV, and the energy band gap between the HOMO energy level and the LUMO energy level is 0.01-0.4 eV; and the interface passivation layer contains: an organic amine salt of a biphenyl compound and/or an organic amine salt of an acene compound.

Abstract: A power supply device, a circuit control method and a power supply system, belonging to the field of power supply conversion technologies. The power supply device can ensure that a second-stage conversion circuit has a sufficiently high valley voltage by means of a valley-fill circuit without using an electrolytic capacitor or other large-volume capacitors, thereby ensuring that the output voltage of the power supply device is overall stable. On the other hand, the power supply device can, by controlling the voltage of an energy storage unit, utilize the ability of the energy storage unit to store electric energy as far as possible whilst ensuring that the voltage does not exceed a specific voltage, so as to lower the requirements on the voltage resistance of the energy storage unit, thereby realizing the miniaturized design of the power supply device and improving the portability of the power supply device.

Abstract: The present disclosure provides a perovskite solar cell comprising at least an electrode, an electron transport layer, a hole transport layer, a perovskite layer and a passivation layer. In the perovskite solar cell, the passivation layer may contain a passivator, the passivatormay comprise an aza fused bicyclic compound and/or an organic salt formed from the aza fused bicyclic compound and an acid, each fused ring in the aza fused bicyclic compound may be independently a five-membered or six-membered saturated ring, unsaturated ring or aromatic ring, the fused ring of the aza fused bicyclic compound may contain 1-5 nitrogen atoms, and the fused ring may be an unsubstituted ring or a ring substituted with one or two substituents having 1-3 carbon atoms.

Abstract: A power supply, a power supplying method, and a computer-readable storage medium are provided. The power supply includes a rectifier circuit and a valley-fill circuit. The rectifier circuit is used for voltage transformation of an input AC voltage to obtain a first pulsating DC voltage. The valley-fill circuit includes at least one energy storage capacitor and is used for storing energy through the at least one energy storage capacitor when the first pulsating DC voltage output by the rectifier circuit is in a first preset range and providing energy through the at least one energy storage capacitor when the first pulsating DC voltage output by the rectifier circuit is lower than a preset threshold, thereby to increase the valley voltage of the first pulsating DC voltage.

Abstract: Provided are a power supply apparatus, and a charging method and system. The apparatus includes: a rectifier module (210) configured to rectify an alternating current (alternating current) voltage to obtain a first pulsating direct current (direct current) voltage; a conversion module (300) configured to convert the first pulsating direct current voltage to obtain a stable direct current voltage; and a valley-fill circuit (220) having an input terminal connected to an output terminal of the rectifier module (210) and an output terminal connected to an input terminal of the conversion module (300). The valley-fill circuit (220) is configured to release electric energy to the conversion module (300) when a voltage value of the first pulsating direct current voltage is smaller than a first voltage threshold, to increase a valley voltage of the first pulsating direct current voltage inputted to the conversion module (300).

Abstract: A parallel analog circuit automatic optimization method based on genetic algorithm and machine learning comprises global optimization based on genetic algorithm and local optimization based on machine learning, with the global optimization and the local optimization performed alternately. The global optimization based on genetic algorithm utilizes parallel SPICE simulations to improve the optimization efficiency while guaranteeing the optimization accuracy, combined with parallel computing. The local optimization based on machine learning establishes a machine learning model near the global optimal point obtained by the global optimization, and uses the machine learning model to replace the SPICE simulator, thus reducing the time costs brought by a large number of simulations.

Abstract: A GNSS signal acquisition method based on FPGA step-by-step code phase refinement comprises steps as follows: (1) Coarse acquisition: correlate all received data with the locally generated carrier and the complete pseudo-random code to find the maximum correlation value; obtain the carrier and the rough code phase for fine acquisition if the maximum correlation value conforms to the acquisition threshold; otherwise, repeat Step (1). (2) Fine acquisition: feedback the carrier and the coarse acquisition code phase value from Step (1) to the controller so that the controller can intercept partial of the received signal for mixing with the local carrier from Step (1); then, correlate the result with partial pseudo-random code after eliminating the influence of the carrier to obtain a code phase with higher accuracy.

Abstract: A parallel analog circuit automatic optimization method based on genetic algorithm and machine learning comprises global optimization based on genetic algorithm and local optimization based on machine learning, with the global optimization and the local optimization performed alternately. The global optimization based on genetic algorithm utilizes parallel SPICE simulations to improve the optimization efficiency while guaranteeing the optimization accuracy, combined with parallel computing. The local optimization based on machine learning establishes a machine learning model near the global optimal point obtained by the global optimization, and uses the machine learning model to replace the SPICE simulator, thus reducing the time costs brought by a large number of simulations.

Abstract: Disclosed are a method and system for measuring and computing energy distribution in the process of intercepting a rockfall by a combination of a pine or cypress wood and an artificial structure. The amount of rockfall energy that the pine or cypress wood is capable of intercepting, together with the interception energy of the artificial structure in the process of jointly intercepting the movement of the rockfall in conjunction with the pine or cypress wood is computed based on the diameter at breast height (DBH) and average tree spacing of the pine or cypress wood as well as the length of the pine or cypress wood in the direction parallel to the slope surface and the width of the rockfall intercepting area of the pine or cypress wood.

Abstract: Provided is a chimeric promoter with a high transcriptional activity in T-cells. The chimeric promoter consists of an enhancer sDTS and a promoter operably linked to the enhancer. The sequence of the enhancer is as shown in SEQ ID NO: 1. The enhancer is located at the 5? or 3? terminus of the promoter. Also provided are nucleic acid constructs, vectors and T-cells comprising the chimeric promoter. The chimeric promoter can drive the efficient expression of exogenous genes in T-cells.

Abstract: A sample feeding apparatus, a sample analyzing device, and a control method for a sample feeding apparatus are disclosed. At least two of a feeding unit, a temporary storage unit, and a recovery unit together form a vertical stack structure, and a dispatching manipulator transfers a sample vessel among the feeding unit, the temporary storage unit, the recovery unit, and a sample aspiration region. The space in a vertical direction can be reasonably utilized, superposition is performed in space to simplify the dispatching process, and the occupation of a horizontal space is reduced. As a result, the floor space is reduced, and the apparatus is further miniaturized.

Abstract: An LED power supply device is provided. In the invention, a digital control device and a programmable interface are used to set an output specification of the LED power supply device, such that one smart LED power supply device can be used to supply power to the LED lamps of different specifications. In this way, it is unnecessary to specifically design and test the power supply devices for the LED lamps of different specifications, so that a design and production cycle of the LED power supply devices and costs thereof are greatly reduced. On the other hand, usage of the digital control device avails monitoring and controlling a state of the LED lamp, for example, implementing temperature control, time control, color and luminance control, etc., by which a service life, efficiency and flexibility of the LED lamp are enhanced.