Abstract: The present disclosure provides a direct current (DC) transformer error detection apparatus for a pulsating harmonic signal, including a DC and pulsating harmonic current output module and an external detected input module, where the DC and pulsating harmonic current output module outputs a DC and a DC superimposed pulsating harmonic current to an internal sampling circuit and a self-calibrated standard resistor array; and the internal sampling circuit converts the input DC and the input DC superimposed pulsating harmonic current into a voltage signal, and sends the voltage signal to an analog-to-digital (AD) sampling and measurement component through a front-end conditioning circuit and a detected input channel. The DC transformer error detection apparatus can complete self-calibration for measurement of the DC and the pulsating harmonic signal on a test site.

Abstract: The present invention discloses a conductive silver aluminum paste, a preparation method, an electrode, and an N-type Topcon battery. The conductive silver aluminum paste comprises silver powder, metal powder containing aluminum element, powder containing silicon or boron element, glass powder, and organic carrier; wherein, when defining the total weight of the conductive silver aluminum paste as 100%, the weight percentage content of each component is: silver powder 80.0%-90.0%, metal powder containing aluminum element 0.5%-3.0%; powder containing silicon or boron element 0.1%-1.0%; glass powder 1.5%-6.0%; organic carrier 7.0%-15.0%. The present invention meets requirements for electrode materials of current development of N-type Topcon batteries well, and has advantages of low contact resistances, high open circuit voltages, high photoelectric conversion efficiency, and high output power.

Abstract: The invention relates to a modified polyisocyanate and use thereof, especially as a crosslinking component in a water-soluble or water-dispersible coating composition. The modified polyisocyanate comprises iminooxadiazinedione structure and isocyanurate structure, wherein the weight ratio of the iminooxadiazinedione structure to the isocyanurate structure is not less than 1: 5; and relative to the total weight of the modified polyisocyanate, the total amount of molecules with a number average molecular weight greater than 2700 g/mol in the modified polyisocyanate is 4.1% by weight to 22% by weight; and the modified polyisocyanate is obtainable by the reaction of: an aminosulfonic acid, a polyisocyanate; a tertiary amine; and optionally a polyether alcohol containing ethylene oxide groups.

Abstract: A pixel arrangement structure and a display panel. The pixel arrangement structure includes a plurality of pixel units. Each of the pixel units includes at least one pixel group. Each pixel group comprises one first sub-pixel, one second sub-pixel, and two third sub-pixels. The first sub-pixel, the second sub-pixel, and the two third sub-pixels in the pixel group form a virtual quadrilateral. A longest edge of first sub-pixel is arranged to at least partially overlap a first side of the virtual quadrilateral. A longest edge of the second sub-pixel is arranged to at least partially overlap a second side of the virtual quadrilateral. The first edge and the second edge intersect with each other. The pixel arrangement structure increases a pixel density, namely, increases a number of pixels per inch in the display panel, thus a display resolution of the display panel is improved.

Abstract: A titanium dioxide micro-nanocontainers, corrosion-resistant waterborne epoxy coatings and preparation method thereof, including preparation steps as follows: TiO2 micro-nano spheres are synthesized by applying hydrothermal method; a polyaniline layer doped with molybdate ions is deposited on the surface of TiO2 micro-nano spheres by adopting the method of in-situ chemical polymerization, TiO2/PANI-MoO42? micro-nano-spheres are obtained, then, polydopamine is encapsulated on the surface of TiO2/PANI-MoO42? micro-nano spheres to obtain titanium dioxide micro-nanocontainers; next, antirust filler, defoamer, dispersant and thickener are added into waterborne epoxy emulsion, then titanium dioxide micro-nanocontainers are added in the waterborne epoxy emulsion for dispersing and grinding, filtering and encapsulating to obtain component A; the waterborne epoxy curing agent and deionized water are mixed in proportion to obtain component B; component A is stirred, then it is mixed with the component B in proportion,

Abstract: The present disclosure provides a display panel and a display device. The display panel includes a substrate and a pixel electrode layer disposed on the substrate. The pixel electrode layer includes pixel electrode groups arranged in an array in the first direction and second direction. Each pixel electrode group includes a first sub-pixel electrode and a third sub-pixel electrode arranged in the third direction, and a second sub-pixel electrode and a fourth sub-pixel electrode arranged in the fourth direction. The first and third sub-pixel electrodes are respectively located on two sides of an imagined connecting line connecting the geometric centers of the second sub-pixel electrode and the fourth sub-pixel electrode. Projections of the second sub-pixel electrode and the first sub-pixel electrode along the first direction at least partially overlap. Projections of the fourth sub-pixel electrode and the third sub-pixel electrode in the first direction at least partially overlap.

Abstract: An array substrate and a display panel. The array substrate includes: a base layer including at least one base sub-layer each being a light-transmitting layer; a transistor layer on the base layer, the transistor layer including a plurality of transistors; and at least one light adjustment layer on a side of the transistor layer facing the base layer, the at least one light adjustment layer being configured to block, at least in a preset state, light from at least one side of the at least one light adjustment layer. In the array substrate, the amount of light irradiated on the transistor layer from the side of the base layer is reduced and the photo-induced leakage current in the transistors in the transistor layer is reduced, thus alleviating locally non-uniform brightness of a displayed image.

Abstract: The present application relates to a pixel arrangement structure, including first sub-pixels, second sub-pixels, third sub-pixels, and fourth sub-pixels. Centers of two of the first sub-pixels arranged opposite to each other and centers of two of the second sub-pixels arranged opposite to each other are taken as vertices and are connected to form a virtual quadrilateral. The virtual quadrilateral includes two equal sides arranged opposite to each other, a short side and a long side arranged opposite to each other and connected to vertices of the equal sides. The short side of the virtual quadrilateral is not parallel to the long side of the virtual quadrilateral. One of the third sub-pixels or one of the fourth sub-pixels is arranged in the virtual quadrilateral, and the third sub-pixel and the fourth sub-pixel emits light in a same color.

Abstract: The present application relates to a pixel arrangement structure, comprising a plurality of first pixel units and a plurality of second pixel units. The plurality of first pixel units and the plurality of second pixel units are alternately arranged in a first direction and a second direction. The first pixel units and the second pixel units respectively comprises a first sub-pixel, a second sub-pixel, a third sub-pixel, and a fourth sub-pixel. The first sub-pixel is located at one side of an imaginary connecting line between a center of the third sub-pixel and a center of the fourth sub-pixel, and the second sub-pixel is located at another side of the imaginary connecting line between the center of the third sub-pixel and the center of the fourth sub-pixel. After the second pixel units are rotated by a predetermined angle, sub-pixel arrangement structures thereof are mirror-symmetrical to that of the first pixel units.

Abstract: The present application relates to a pixel arrangement structure, including a first pixel unit. The first pixel unit includes a first sub-pixel, a second sub-pixel, a third sub-pixel, and a fourth sub-pixel, and centers of the first sub-pixel, the second sub-pixel, the third sub-pixel and the fourth sub-pixel forms imagined co-sided triangles without an overlapping area; and the center of the first sub-pixel and the center of the second sub-pixel are taken as vertices of a common side of the imagined co-sided triangle. The second sub-pixel has a second major axis and a second minor axis, and in the first pixel unit, a center line of the second sub-pixel along its major axis does not pass through the center of the third sub-pixel and/or the center of the fourth sub-pixel.

Abstract: A pixel arrangement structure includes two first sub-pixels and two second sub-pixels which are connected as a first virtual quadrilateral. The two first sub-pixels are located at two first vertices of the first virtual quadrilateral. The two second sub-pixels are located at two second vertices of the first virtual quadrilateral. The two first vertices and the two second vertices are alternately arranged and spaced apart from each other. A third sub-pixel is located within the first virtual quadrilateral, and a center of the third sub-pixel deviates from a center of the first virtual quadrilateral. In a row direction or a column direction, the first virtual quadrilateral includes a first side and a second side facing to each other, and a length of the first side is smaller than a length of the second side.

Abstract: The invention relates to polyoxometalates represented by the formula (An)m+[M?M12X8OyRzHq]m? or solvates thereof, corresponding supported polyoxometalates, and processes for their preparation, as well as corresponding metal clusters, optionally in the form of a dispersion in a liquid carrier medium or immobilized on a solid support, and processes for their preparation, as well as their use in reductive conversion of organic substrate.

Abstract: A pixel arrangement structure and a display panel. The pixel arrangement structure includes a plurality of pixel units. Each of the pixel units includes at least one pixel group. Each pixel group comprises one first sub-pixel, one second sub-pixel, and two third sub-pixels. The first sub-pixel, the second sub-pixel, and the two third sub-pixels in the pixel group form a virtual quadrilateral. A longest edge of first sub-pixel is arranged to at least partially overlap a first side of the virtual quadrilateral. A longest edge of the second sub-pixel is arranged to at least partially overlap a second side of the virtual quadrilateral. The first edge and the second edge intersect with each other. The pixel arrangement structure increases a pixel density, namely, increases a number of pixels per inch in the display panel, thus a display resolution of the display panel is improved.

Abstract: The invention relates to polyoxometalates represented by the formula (An)m+[M?M12Oy(RCOO)zHq]m? or solvates thereof, corresponding supported polyoxometalates, and processes for their preparation, as well as corresponding metal clusters, optionally in the form of a dispersion in a liquid carrier medium or immobilized on a solid support, and processes for their preparation, as well as their use in reductive conversion of organic substrate.

Abstract: The invention relates to polyoxometalates represented by the formula (An)m+[M?M12Oy(RCOO)zHq]m? or solvates thereof, corresponding supported polyoxometalates, and processes for their preparation, as well as corresponding metal clusters, optionally in the form of a dispersion in a liquid carrier medium or immobilized on a solid support, and processes for their preparation, as well as their use in reductive conversion of organic substrate.

Abstract: The invention relates to polyoxometalates represented by the formula (An)m+[M?M12X8OyRzHq]m? or solvates thereof, corresponding supported polyoxometalates, and processes for their preparation, as well as corresponding metal clusters, optionally in the form of a dispersion in a liquid carrier medium or immobilized on a solid support, and processes for their preparation, as well as their use in reductive conversion of organic substrate.

Abstract: A toilet bowl having a venting system for directing odious air from the toilet bowl to the sewer system. The system includes a toilet bowl having a discharge outlet that is connected to a sewer line, a chamber defined within the toilet bowl, an exhaust hose disposed within the chamber and in communication with the discharge outlet, and a housing connected to the exhaust hose. A gate is hingedly fitted on a frame within the housing, the gate is rotated to an open position and a closed position depending on the operative position of the system. In the open position, the ventilation system is activated causing air flow to be directed through a vent opening in the toilet bowl to the sewer line. An electrically operated exhaust fan is positioned within the housing. A surface end is disposed between the fan and the gate. The surface end having a magnetic field produced by an electric current.