Abstract: A dielectric barrier discharging tube, which has a synergistic column of needle electrodes to utilize a plurality of channels to adsorb catalysts, is provided. The dielectric barrier discharging tube includes: a quartz tube, a high-voltage pole, an inner electrode, and a plurality discharging needle sets. Two catalytic blocks are arranged respectively on two sides of each set discharging needles. Each catalytic block defines at least one inclined inner channel and at least one inclined outer channel. A higher end of each channel faces towards the discharging needle, and a lower end of each channel faces towards the discharging needle.

Abstract: The present invention relates to a method for preparing a thermoelectric thick film. The method includes: determining a brittle-to-ductile transition temperature of a thermoelectric material; rolling the blocky thermoelectric material within a temperature range above the brittle-to-ductile transition temperature and below a melting point; parameters of the rolling being as follows: a linear speed of rollers is 0.01 mm/s to 10 mm/s, preferably 0.1 mm/s to 5 mm/s, and an amount of pressing each time of the rollers is controlled at 0.0005 mm to 0.1 mm, preferably 0.001 mm to 0.05 mm; repeating the rolling until a thermoelectric thick film with a specified thickness is obtained; and annealing the obtained thermoelectric thick film; a temperature of the annealing being 100° C. to 800° C., preferably 300° C. to 500° C., and a duration of the annealing being 10 to 500 hours, preferably 100 to 300 hours.

Abstract: The present disclosure provides a soft ground cleaning vehicle, including a main body frame; wherein each of both sides of the main body frame is arranged with a screw propulsion mechanism, and a lower portion of each of the both sides of the main body frame is arranged with a bottom frame; a power assembly is arranged on the bottom frame, and an extension frame is arranged on a lower portion of the bottom frame; the extension frame is arranged with a rotation assembly; a plastic track is arranged on the power assembly and the rotation assembly; a plurality of stand plates are arranged on an outer strip surface of the plastic track.

Abstract: A circuit board and a method for electrical performance detection thereof, a display panel, a method for fabricating a display panel, and a method for driving the display panel are provided. In the electrical performance detection, the signal output terminal is electrically connected to the detection terminal, and detection is performed on the drive signal by the electrical performance detection circuit to determine whether the circuit board is abnormal, achieving the electrical performance detection of the circuit board. In addition, in a process other than the electrical performance detection, the signal output terminal is disconnected from the detection terminal to avoid affecting a normal operation of the circuit board. The electrical performance detection of the circuit board is realized, a defective circuit board is prevented from flowing into a subsequent fabricating procedure, and waste of assembling resources is avoided.

Abstract: The present invention relates to a method for preparing a thermoelectric thick film. The method includes: determining a brittle-to-ductile transition temperature of a thermoelectric material; rolling the blocky thermoelectric material within a temperature range above the brittle-to-ductile transition temperature and below a melting point; parameters of the rolling being as follows: a linear speed of rollers is 0.01 mm/s to 10 mm/s, preferably 0.1 mm/s to 5 mm/s, and an amount of pressing each time of the rollers is controlled at 0.0005 mm to 0.1 mm, preferably 0.001 mm to 0.05 mm; repeating the rolling until a thermoelectric thick film with a specified thickness is obtained; and annealing the obtained thermoelectric thick film; a temperature of the annealing being 100° C. to 800° C., preferably 300° C. to 500° C., and a duration of the annealing being 10 to 500 hours, preferably 100 to 300 hours.

Abstract: A light-emission driving substrate includes: a substrate; a device layer disposed on the substrate, wherein the device layer comprises a plurality of first signal lines and second signal lines that are disposed in a light-emitting area, and includes a plurality of first connection terminals and second connection terminals that are disposed in a non-light-emitting area, each of the first connection terminals is electrically connected to an anode of the light-emitting element through the first signal line, and each of the second connection terminals is electrically connected to the cathode of a light-emitting element through the second signal line; and wherein a distance between at least one of the first connection terminals and the binding area is smaller than a distance between each of the second connection terminals and the binding area.

Abstract: The application relates to a drive substrate, light-emitting panel and display device. The drive substrate is configured to drive a light-emitting element. The drive substrate includes a light-emitting area and a frame area surrounding at least a part of the light-emitting area. The drive substrate includes a substrate; and a device layer disposed on the substrate, the device layer including a pixel drive circuit disposed in the light-emitting area, and an electrostatic discharge circuit, a first signal line and a second signal line disposed in the frame area, the first signal line being electrically connected to at least one of the pixel drive circuit and the light-emitting element, and the second signal line being electrically connected to the electrostatic discharge circuit; wherein the second signal line is disposed on a side of the first signal line away from the light-emitting area and is spaced from the first signal line.

Abstract: Embodiments of the present disclosure provide a driving board, a display panel and a display device. The driving board includes a plurality of pixel regions; the pixel regions each include a pixel circuit, a first power supply structure and a second power supply structure; the first power supply structure is configured to provide a first power voltage and the second power supply structure is configured to provide a second power voltage; the driving board includes a substrate, the pixel circuit, the first power supply structure and the second power supply structure are located at a same side of the substrate; wherein at least one of the first power supply structure and the second power supply structure includes a block structure, at least one inorganic layer is provided at a side of the block structure away from the substrate; and the block structure includes a first block structure, the first block structure includes at least one first opening.

Abstract: Provided are a light-emitting panel and a display device. The light-emitting panel includes a base substrate, a first reflective layer and multiple light-emitting elements, and at least one second reflective portion. The first reflective layer and the multiple light-emitting elements are located on the base substrate. The first reflective layer includes a first reflective portion and multiple hollow portions. The multiple light-emitting elements are located in the multiple hollow portions. A gap exists between each of the multiple light-emitting elements in each of the multiple hollow portions and the first reflective portion. The at least one second reflective portion is located between the base substrate and the first reflective layer. In a direction perpendicular to a plane where the base substrate is located, the at least one second reflective portion covers the gap.

Abstract: A circuit board and a method for electrical performance detection thereof, a display panel, a method for fabricating a display panel, and a method for driving the display panel are provided. In the electrical performance detection, the signal output terminal is electrically connected to the detection terminal, and detection is performed on the drive signal by the electrical performance detection circuit to determine whether the circuit board is abnormal, achieving the electrical performance detection of the circuit board. In addition, in a process other than the electrical performance detection, the signal output terminal is disconnected from the detection terminal to avoid affecting a normal operation of the circuit board. The electrical performance detection of the circuit board is realized, a defective circuit board is prevented from flowing into a subsequent fabricating procedure, and waste of assembling resources is avoided.

Abstract: The disclosure relates to a p-type skutterudite material and a method of making the same, comprising providing a p-type skutterudite material having a general formula: IyFe4-xMxSb12/z(J) wherein I represents one or more filling atoms in a skutterudite phase, the total filling amount y satisfying 0.01?y?1; M represents one or more dopant atoms with the doping amount x satisfying 0?x?4; J represents one or more second phases with the molar ratio z satisfying 0?z?0.5; wherein second phase precipitates are dispersed throughout the skutterudite phase.