Abstract: Disclosed are a device and a method for nitrogen and phosphorus removal from aquaculture tail water based on agricultural waste filler, and belongs to the technical field of aquaculture tail water treatment. The device includes a device main body, and a reaction part is arranged in the device main body; a bottom end of the device main body is communicated with an aquaculture tail water storage pool, and a top side wall of the device main body is communicated with an effluent collection pool; and the reaction part comprises agricultural waste filler and denitrifying sludge contained in the device main body, and the agricultural waste filler and the denitrifying sludge are soaked in the aquaculture tail water.

Abstract: The present invention provides a method for constructing a fingerprint of a Xin Su Ning capsule and a fingerprint. The method includes: S1: taking contents of Xin Su Ning capsules of different batches, adding a methanol aqueous solution, and performing ultrasonic extraction to obtain test article solutions; S2: injecting the test article solutions into a high performance liquid chromatograph, performing gradient elution, performing chromatographic analysis, and recording chromatograms from 0 to 140 min; S3: importing the chromatograms into a traditional Chinese medicine chromatographic fingerprint similarity evaluation system to obtain a fingerprint; and S4: performing mass spectral analysis on the test article solutions, and determining chemical constituents of chromatographic peaks in the fingerprint according to results of the mass spectral analysis.

Abstract: A display substrate, including: a base substrate including at least a side edge and a display area; a plurality of pixel units disposed in the display area, a second pixel unit is located on a side of a first pixel unit close to the side edge, edges of the second pixel unit include the side edge, a third pixel unit is located between the first pixel unit and the second pixel unit, and the third pixel unit is adjacent to the second pixel unit; and a plurality of light emitting diode chips disposed on the base substrate a first light emitting diode chip is located in the first pixel unit, a part of a second light emitting diode chip is located in the second pixel unit, and the other part of the second light emitting diode chip is located in the third pixel unit.

Abstract: The present discloses relates to a method for continuously synthesizing 5-hydroxymethylfurfural by using a micro-channel reactor, which belongs to the technical field of micro-chemical engineering. The method includes: separately conveying an aqueous glucose solution, which contains FeCl3 and HCl, and methyl butyl ketone to a T-shaped micro-mixer, the T-shaped micro-mixer being in communication with a capillary tube; then enabling an aqueous glucose solution phase and a methyl butyl ketone phase to flow in the capillary tube in a segmented flow manner while performing an HMF synthesis reaction; and collecting a reaction product flowing out of the capillary tube, wherein HMF generated by the reaction is present in an organic phase of the reaction product. The method is easy to operate, has a controllable process, high product yield, a low by-product amount and a short synthesis period, and is a green method for efficient and continuous synthesis of HMF.

Abstract: A display substrate and a display device are provided. The display substrate includes a display region and an opening located in the display region, the opening penetrates through the display substrate, and the display substrate includes a base substrate, a driving circuit layer, a light-emitting component layer, an encapsulation layer, and a touch control layer. The driving circuit layer includes a first signal line at least partially surrounding the opening; the light-emitting component layer is provided on a side of the driving circuit layer away from the base substrate; the encapsulation layer is provided on a side of the light-emitting component layer away from the base substrate; the touch control layer includes a touch control electrode and a touch control compensation electrode at least partially surrounding the opening; the first signal line at least partially overlaps with the touch control compensation electrode.

Abstract: The present application provides a preparation method for iridium nanocrystal, including the following steps: mixing an iridium salt, an alcohol solvent and a centrifugal waste liquid to form a mixed solution, and adding an alkali solution in an inert atmosphere for a heating reaction. After centrifugation, an iridium nanocrystal is obtained. The centrifugal waste liquid is a waste liquid produced in the pre-synthesis process of iridium nanocrystal. The preparation method can shorten the reaction time, and the obtained iridium nanocrystal has the advantages of high yield and low cost.

Abstract: A polymer includes a hydrophobic polymer backbone, a first plurality of pendant groups attached to the hydrophobic polymer backbone and including at least one group including a plurality of hydroxyl groups, and a second plurality of pendant groups attached to the hydrophobic polymer backbone and comprising at least one hydrophilic polymer.

Abstract: An enclosure of a mobile terminal and a sputter coating apparatus for making the same are provided. The enclosure includes a substrate and a composite film layer coated onto the substrate. The composite film layer has a thickness changing along a first direction. A difference in thickness between any two regions arranged along the first direction of the composite film layer is less than or equal to 350 nanometers. The enclosure has a spatially varying color corresponding to a wavelength between 400 nanometers and 760 nanometers.

Abstract: A full-duplex communication apparatus and method are provided, and relate to the field of communication technologies, to improve a self-interference cancellation capability of the full-duplex communication apparatus. The full-duplex communication apparatus includes a first antenna, a second antenna, and a gating apparatus. The full-duplex communication apparatus may receive a first signal from the first antenna through the gating apparatus, and perform interference suppression or cancellation on the first signal; and may further transmit a signal through the second antenna.

Abstract: A display substrate, a preparation method thereof, and a display apparatus, the display substrate includes a base substrate; a drive circuit layer provided on the base substrate; a light-emitting structure layer provided on a side of the drive circuit layer away from the base substrate, the light-emitting structure layer includes a pixel defining layer and an organic light-emitting layer, the pixel defining layer defines multiple sub-pixel regions and includes a first opening at least partially exposing the drive circuit layer, the organic light-emitting layer is located in the sub-pixel region and is overlapped with the first opening of the pixel defining layer; and a color film structure layer provided on a side of the light-emitting structure layer away from the base substrate, the color film structure layer includes a color film and a black matrix, the black matrix includes a second opening at least partially exposing the first opening.

Abstract: The present invention relates to the technical field of bionic covert underwater acoustic communication, and specifically relates to a feature extraction-based imitated marine mammal sound signal covertness scoring method. The scoring method combines feature engineering to extract six universal features of a marine mammal sound signal from the perspective of human hearing and a signal waveform, and uses these features to obtain a second bionic signal covertness score through a weight coefficient formula. The covertness scoring method can characterize intrinsic information of the bionic signal in more detail from more perspectives of the signal to more accurately evaluate a difference between the bionic signal and a real signal, and the obtained score value can more intuitively describe the quality of the bionic signal covertness.

Abstract: The disclosed embodiments include centralized, computer-implemented processes for feature generation and management within web-based computing environments. By way of example, an apparatus may transmit first data characterizing a plurality of features to a device, the first data causes the device to present interface elements associated with the features within a digital interface. The apparatus may receive second data that identifies at least a subset of the features from the device, and based on the second data, the apparatus may generate, for each of the subset of the features, elements of executable code associated with a calculation of a corresponding feature value. The apparatus may transmit third data that includes the elements of executable code to the device, which may present the elements of executable code within one or more additional portions of the digital interface.

Abstract: A display panel is provided, which includes a first substrate and a second substrate arranged opposite to each other. The first substrate includes a first electrode and a second electrode. The second substrate includes a light shielding layer. The light shielding layer includes a light transmitting region and a light shielding region. The first electrode includes slits extending in a first direction, and an orthographic projection of two ends of at least one of the slits onto the first substrate is within an orthographic projection of the light shielding region onto the first substrate. A display panel and a display device are also provided.

Abstract: A communication system includes a first device, a second device, and a cable that connects the first device and the second device, and the cable stores cable information of the cable. A link training method includes: obtaining device information of the first device, obtaining the cable information from the cable, and obtaining device information of the second device; and performing link training between the first device and the second device based on the device information of the first device, the cable information, and the device information of the second device.

Abstract: A stretchable display panel includes a substrate. The pixel island has a light-emitting area and a non-light-emitting area adjacent to the light-emitting area. The pixel island includes: a driving layer group disposed on the substrate; a pixel-defining structure disposed on the driving layer group, the pixel-defining structure defines a pixel opening located in the light-emitting area, at least one groove is located in the non-light-emitting area and disposed at a side of the pixel-defining structure away from the driving layer group, and the groove extends through the pixel-defining structure and a part of the driving layer group along a thickness direction of the substrate; a light-emitting unit disposed in the pixel opening; and an encapsulating layer covering a surface of the light-emitting unit away from the substrate and a surface of the groove.

Abstract: The present disclosure involves a compound of formula (I) having ENPP1 inhibitory activity, a pharmaceutical composition thereof, and use thereof. The present disclosure particularly involves a compound of formula (I), as well as a pharmaceutical composition containing the compound and a method for preventing or treating diseases using the compound, particularly for diseases or disorders mediated by ENPP1 abnormal activity.

Abstract: A use of 2-amino-3-methylhexanoic acid in promoting plant growth and increasing yield and use of the 2-amino-3-methylhexanoic acid in promoting growth of a plant seedling and/or promoting growth of a mature plant and increasing yield. The 2-amino-3-methylhexanoic acid is a natural product, has a simple structure, and is easy for industrial production. The 2-amino-3-methylhexanoic acid can promote plant growth and has the potential of being developed into a natural plant growth regulator. The 2-amino-3-methylhexanoic acid is a natural product, low in dosage, and environmentally friendly, has a remarkable promoting effect on plant growth, and thus is a green and efficient biological source plant growth regulator, which indicates the utilization value and application prospects of such substances in agricultural production.

Abstract: A chip system integrated with MCU and electromagnetic driving includes: a power management module, a signal acquisition module, a controller processing module, an electromagnetic driving module, an audio and video output module, a temperature measurement and control module, and a GPIO module; where the power management module includes: a voltage increasing/decreasing conversion module, a charging management module, a battery protection module, and a power output module; the signal acquisition module includes: a voltage acquisition module, a current acquisition module, a temperature acquisition module, a biological signal acquisition module, and an electromagnetic driving load acquisition module; the controller processing module includes: a signal processing module, a signal transmission module, and a signal communication module; and the audio and video output module includes: a voice playing module, an LED module, and an LCD module.

Abstract: A GPU-based integrated processing method for geochemical data, includes the following steps: S1, storing geochemical data in a format of a preset three-dimensional array data structure Struct_A, S2, iteratively processing the formatted geochemical data by using a compute shader in a GPU, calculating a mean value and a standard deviation of content of each chemical element, calculating a threshold value of the chemical element, eliminating sampling points according to the threshold value, repeating the operations until there is no sampling point to be eliminated, and calculating a final mean value as a background value and a final threshold value as a lower limit value of anomaly; and S3, constructing spatial coordinates according to the obtained new geochemical data set, loading the spatial coordinates into a fragment shader for rendering, and completing anomaly delineation according to the background value and the lower limit value of anomaly.

Abstract: The present invention discloses a method for evaluating a metallogenic potential of a skarn deposit based on the magnetite composition, including collecting geological, geophysical, geochemical, and remote sensing data in a studying area, systematically, and delineating a favorable area for mineralization; collecting magnetite-bearing samples in the favorable area for mineralization, and describing the lithology, alteration and mineralization characteristics of each sample; selecting the most representative magnetite samples for chemical analysis to obtain average contents of trace elements Ti, Ni, V, K and Al+Si+Mg, denoted as c(Ti), c(Ni), c(V), c(K), and c(Al+Si+Mg) in ppm; and calculating discriminant factors F1, F2, F3, and F4 by substituting data, and performing discrimination; and when the four discriminant factors all discriminate the metallogenic potential to be better, determining the skarn deposit in the favorable area for mineralization to have a good metallogenic potential; and discriminating as