Abstract: A spray-head assembly includes a pipe structure and a valve-spool. The pipe structure includes a liquid inlet, a flow pathway, and a valve-port. The flow pathway includes an air-flow pathway arranged obliquely with respect to a central axis of the liquid inlet. A bottom end of the air-flow pathway communicates with the liquid inlet. The valve-port is arranged at a top end of the air-flow pathway. The valve-spool is arranged in the flow pathway and configured to control opening and closing of the valve-port.

Abstract: A pixel driving method is provided. Based on current brightness values of the sub-pixel in row j and column i, current brightness values of the sub-pixels that have the same color and are adjacent to the sub-pixel in row j and column i to obtain the target brightness value of the sub-pixel in row j and column i by the target brightness value calculation formula, and then to obtain a brightness compensation value of the sub-pixel in row j and column i by a brightness compensation value calculation formula, and based on the target brightness value of the sub-pixel in row j and column i, the brightness compensation value of the sub-pixel in row j and column i to output a compensated brightness value of the sub-pixel in row j and column i by a compensated brightness value calculation formula.

Abstract: An information transmission method and apparatus are provided. The method includes: determining a time domain density of a phase tracking reference signal (PTRS); determining a frequency domain density of the PTRS based on an available bandwidth, a scheduled resource block (RB) or an available RB; mapping the PTRS to one or more orthogonal frequency division multiplexing (OFDM) symbols based on the time domain density and the frequency domain density; and sending a signal that includes the OFDM symbol to which the PTRS is mapped. According to this application, a quantity of PTRSs can be prevented from jumping when a value of scheduled bandwidth is close to a threshold, both accuracy of common phase error estimation and spectral efficiency are taken into consideration, and the PTRSs can be uniformly mapped in the scheduled or available bandwidth, thereby properly configuring the PTRSs.

Abstract: A colon-targeted composition of a biological active component is disclosed, as well as formulations and preparation methods thereof. The colon-targeted composition of a biological active component includes in weight percentage: 10-99% hydroxypropyl methylcellulose, 1-60% biological active component and 0-80% auxiliary material, wherein the viscosity of hydroxypropyl methylcellulose is greater than 1,000 mPa·s. The colon-targeted composition of a biological active component has an improved colon-targeted effect and improves the bioavailability and in vivo activity of the biological active component.

Abstract: Provided are an anaerobic ammoxidation synergistic nitrogen removal process device of municipal sewage main and side streams and an application method thereof, comprising a municipal sewage raw water tank (1), a biological reaction pool (2), a secondary sedimentation pool (3), a sludge digestion solution raw water tank (4) and a sludge digestion solution AOB strengthening pool (5); wherein, the municipal sewage raw water tank (1) is connected with a water inlet valve (2.2) of the biological reaction pool (2) through a water inlet pump (2.1) of the biological reaction pool (2); the biological reaction pool (2) is connected with the secondary sedimentation pool (3) through a secondary sedimentation pool connection pipe (3.3); the sludge digestion solution raw water tank (4) is connected with a water outlet valve (4.1) of the sludge digestion solution raw water tank (4) through a water inlet pump (4.

Abstract: An array substrate and a display device are provided. The array substrate includes at least one data line and a plurality of sub-pixel groups arranged in an array along a first direction and a second direction. At least one sub-pixel group includes two rows of sub-pixels, one row of the two rows of sub-pixels includes a first color sub-pixel and a second color sub-pixel, and the other row of the two rows of sub-pixels includes a third color sub-pixel; the first color sub-pixel, the second color sub-pixel and the third color sub-pixel in each sub-pixel group are connected to a same data line of the at least one data line.

Abstract: A screen supporting device includes: a drive component and a supporting component rotationally connected to the drive component. The drive component comprises a rotating shaft and a connecting rod that rotationally connected to the rotating shaft. The drive component and the supporting component are disposed in a non-display surface of the flexible display screen. The connecting rod is fixedly connected to the supporting component. Through the rotating connection between the rotating shaft and the connecting rod, the supporting component and the drive component relatively rotate and move away from each other to fold or expand the flexible display screen.

Abstract: The present application provides a display panel adjustment method and an adjustment method for a display panel. A fan-out mura region of the display panel is divided into multiple first sub-regions along a first direction; according to an initial grayscale value of a first bonding point in the first sub-region, the fan-out mura degree and a first correction value of the corresponding first sub-region are obtained; and then grayscale compensation is performed on the corresponding first sub-region. The present application improves the mura effects in the fan-out region and improves the display quality of a product.

Abstract: An electrocardiograph (ECG) signal processing method and apparatus to resolve a problem that relatively severe interference caused during single-arm measurement for single-lead ECG collection seriously affects accuracy of heart rate calculation and cardiac rhythm analysis. The method includes collecting, by a measurement device, an ECG signal, extracting a kth valid QRS complex of the ECG signal, calculating a kth time difference and a (k+1)th time difference, and determining whether the kth time difference and the (k+1)th time difference are target time differences. In this way, accuracy of ECG feature extraction is improved, the interference caused during the single-arm measurement is eliminated to the most extent, and the accuracy of heart rate calculation and cardiac rhythm analysis can be effectively guaranteed.

Abstract: Provided is a reverse current switch. The reverse current switch includes: a comparison unit including a first input end, a second input end, and a first output end; and a switch resistance unit, where a first end of the switch resistance unit is connected to the first input end, a second end of the switch resistance unit is connected to the second input end, and a third end of the switch resistance unit is connected to the output end of the comparison unit, and the switch resistance unit is controlled by a voltage of the first output end. This reverse current switch has a simple structure and can implement working under low voltage conditions.

Abstract: The present disclosure provides a display panel and a display terminal, the display panel including an array substrate, a display device layer, and a color filter layer, wherein the display device layer includes a plurality of sub-pixel cycle units continuously arranged, and the sub-pixel cycle unit includes a plurality of sub-pixels. A part of sub-pixels is covered with the color resistors having colors corresponding to that of the sub-pixels to increase the color gamut of the sub-pixels, and meanwhile, sub-pixels not covered by the color resistors are used to increase brightness of the sub-pixels, thereby reducing the power consumption of the display panel, and improving a service life of the display panel, while improving a color gamut of the display panel.

Abstract: A pixel drive circuit, a drive method thereof and a display device are provided. The pixel drive circuit includes a writing sub-circuit, an amplification sub-circuit, and a drive sub-circuit, writing sub-circuit is configured to transmit a data voltage provided by a signal input terminal to the amplification sub-circuit under control of the scan signal terminal; the amplification sub-circuit is configured to generate an amplification electrical signal according to the data voltage and output the amplification electrical signal to a drive sub-circuit, the drive sub-circuit is configured to obtain the data voltage based on the amplification electrical signal output by the amplification sub-circuit and provide a drive current to a light-emitting device under control of the data voltage, and the light-emitting device is configured to emit light according to the drive current output by the drive sub-circuit.

Abstract: A photography auxiliary device for a mobile communication unit, including: a bottom plate (1), a lens hole (11) arranged on the bottom plate (1), a shaft (7), walls surrounding the base plate (1), a gear (6) rotatably connected to the shaft (7), and a first rack (4) and a second rack (5) at opposite ends of the gear (6); the wall includes a first side wall (2) and a second side wall (3), the first side wall (2) is provided with a groove (21), the second side wall (3) is provided with a through hole (31); an end portion of the first rack (4) is provided with a shutter button (41) located in the through hole (31); an end portion of the second rack (5) is provided with an elbow (51) located in the groove (21); the second rack (5) is arranged in parallel with the first rack (4). When the shutter button (41) is pressed, the elbow (51) moves upward together with the second rack (5) and presses the volume button for driving the photography.

Abstract: A polarization-dependent loss (PDL) determining method includes obtaining two groups of optical powers within first duration, selecting at least one group of target optical powers that satisfy a same power constraint from the two groups of optical powers, where each group of target optical powers includes a first target power and a second target power from the two groups of optical powers, and determining a PDL of the optical device based on the at least one group of target optical powers.

Abstract: A liquid crystal composition includes at least one compound of general Formula I, at least one compound of general Formula II and at least one compound of general Formula M. The polymerizable liquid crystal composition provides a higher VHR (especially an excellent VHR after UV irradiation), a lower surface roughness of the polymer layer, a faster polymerization rate, a lower residual amount of the polymerizable compound and a better pretilt angle stability, which enables the production of a liquid crystal display device with a better voltage stability and a faster response speed, and can effectively reduce or prevent the occurrences of problems such as “burn-in”, “image sticking”, “Zara Particle” and “uneven display” in the liquid crystal display device. A liquid crystal display includes the liquid crystal composition.

Abstract: The present application discloses a backlight module and a display device thereof. The backlight module includes a light guide plate, a side part thereof including a light incident surface; a light bar, including a circuit board and a plurality of photoelectric elements disposed on the circuit board, wherein the circuit board includes spacing parts located between two adjacent photoelectric elements, and light emitting surfaces of the photoelectric elements correspond to the light incident surface; and a reflective sheet, disposed between the light guide plate and the light bar, wherein the reflective sheet includes hollowed parts, and the hollowed parts are correspondingly disposed between the light emitting surfaces and the light incident surface, so as to reduce a reflective brightness of the photoelectric elements.

Abstract: A display panel and a method for manufacturing the display panel are provided. The display panel includes a planar region and a bending region. The display panel includes a flexible substrate and a driving circuit layer. The flexible substrate at least includes a first flexible layer, a barrier layer and a second flexible layer. The driving circuit layer is disposed at a side of the second flexible layer away from the barrier layer. In the bending region, a groove is disposed at a side of the first flexible layer away from the barrier layer. The technical problem of stress concentration in the bending region is alleviated by disposing the groove.

Abstract: An organic light emitting diode (OLED) display panel and preparation method thereof, which includes an array substrate, an organic light emitting layer, and an encapsulation layer. The encapsulation layer includes organic-inorganic functional layer. Through disposing the organic-inorganic functional layer, the overall thickness of the encapsulation thin film can be reduced while ensuring the encapsulation effect, and the bending performance of the OLED device can be improved. Further, a mask plate is not required in the encapsulation process, thereby can effectively save production cost.