Abstract: A porous biochar for improving heavy pollution and a method for producing the same. Said porous biochar is prepared as follows: arrowhead, which has excellent enrichment of lead, is used to absorb heavy metal lead in polluted water or artificial wetlands, simultaneously absorb heavy metal cadmium, thereafter is dried and treated as a biomass, and then the biomass is calcined in stages with a passivating agent in a high temperature environment, so as to heavy metals such as lead and cadmium be stably coated or enriched in a biochar, which is mixed with Pseudomonas aeruginosa having high resistant, to obtain the porous biochar; the porous biochar has high specific surface area, high porosity and excellent mechanical properties, is very stable under different acid-base environments and oxidizing conditions.

Abstract: Embodiments of the present disclosure provide a method of driving display, and a display device. The method of driving display includes: scanning, progressively or rows by rows, a plurality of sub-pixels arranged in an N×M array, to turn on each row of sub-pixels scanned, so that a duration in which two adjacent rows of sub-pixels are simultaneously in an ON state is greater than or equal to two times a unit scanning time, wherein the unit scanning time is a time required for scanning a row of sub-pixels, N is an integer greater than 1, and M is an integer greater than 1; and applying data signals to at least two rows of sub-pixels simultaneously in the ON state, so that a duration of applying the data signals to each row of sub-pixels is greater than the unit scanning time.

Abstract: A wireless communication apparatus for transmitting data to a plurality of terminals in conformity with a predetermined wireless communication standard, comprises a controller configured to execute: successively broadcast-transmitting a plurality of data blocks; broadcast-transmitting first notification data as a notification for causing a first terminal receiving at least a part of the plurality of data blocks to declare that there is an unsuccessfully received data block after completion of the transmission of the plurality of data blocks; and retransmitting, if second notification data indicating the unsuccessfully received data block is received as a response to the first notification data from one or more of the first terminal, the data block indicated by the second notification data.

Abstract: A method for rapidly detecting pesticides based on thin-layer chromatography (TLC) and enzyme inhibition principles. The method includes the following steps: cutting a TLC plate into a rectangle, and using one end of the rectangle to contact a sample extract to form a pesticide residue separation area; covering the other end of the rectangle with a small piece cut from filter paper or glass fiber and fixing on a piece of enzyme inhibition reaction test paper to form a pesticide enrichment area; pasting a side of the enzyme inhibition reaction test paper away from the pesticide residue separation area with a piece of filter paper immobilized with a chromogenic agent to form a substrate color development area; and performing color reaction.

Abstract: A communication system comprising a first base station that includes a first controller and a second base station that includes a second controller, wherein the first controller is configured to transmit a handover request to the second base station in a case where handover of a user terminal to the second base station is required, the second controller is configured to transmit a handover response to the first base station in response to reception of the handover request, the handover response including a renewable energy use rate of the second base station, and the first controller is configured to transmit a handover command to the user terminal in response to reception of the handover response, the handover command including the renewable energy use rate or a data transmission control command according to the renewable energy use rate.

Abstract: A communication system comprising: a first base station having a first controller and a second base station having a second controller, wherein the first controller transmits a handover request to the second base station when a handover to the second base station is required for a user terminal, the second controller transmits a handover response including congestion state information at the second base station to the first base station in response to receiving the handover request, and the first controller transmits a handover command including the congestion state information or a data transmission control command according to the congestion state information to the user terminal in response to receiving the handover response.

Abstract: This disclosure describes methods and compositions for protein and peptide sequencing.

Abstract: This disclosure describes methods and compositions for protein and peptide sequencing.

Abstract: This disclosure describes methods and compositions for protein and peptide sequencing.

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: 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 method and apparatus for positioning a description statement in an image includes: analyzing a to-be-analyzed description statement and a to-be-analyzed image to obtain a plurality of statement attention weights of the to-be-analyzed description statement and a plurality of image attention weights of the to-be-analyzed image; obtaining a plurality of first matching scores based on the plurality of statement attention weights and a subject feature, a location feature and a relationship feature of the to-be-analyzed image; obtaining a second matching score between the to-be-analyzed description statement and the to-be-analyzed image based on the plurality of first matching scores and the plurality of image attention weights; and determining a positioning result of the to-be-analyzed description statement in the to-be-analyzed image based on the second matching score.

Abstract: Methods, apparatuses, devices, storage media and program products for determining parameters of a neural network are provided. In one aspect, a computer-implemented method includes: acquiring a first dataset that includes a plurality of face images, obtaining a liveness classification result and a detection result of each of the plurality of face images by inputting the face image into the neural network, and determining performance parameters of the neural network according to a plurality of detection results of the plurality of face images.

Abstract: A processing device for film cooling holes on blade of aviation engine includes a working box. A workpiece clamping mechanism is arranged in the working box for holding the workpiece. A cover body having an internal space communicated with an internal space of the working box is connected to an upper part of the working box. A laser processing mechanism is connected to a top end of the cover body and can produce laser rays to carry out laser processing on the workpiece. The cover body is connected to a liquid supply mechanism and an acid gas filtration mechanism. The liquid supply mechanism can spray an acidic solution to the workpiece in the working box, and the working box can collect the acidic solution. The acid gas filtration mechanism can filter acid steam produced during processing. A working method of the processing device is also provided.

Abstract: A method and device for cross-modal information retrieval, and a storage medium are provided. The method includes: acquiring first modal information and second modal information; performing feature fusion on a modal feature of the first modal information and a modal feature of the second modal information, and determining a first fused feature corresponding to the first modal information and a second fused feature corresponding to the second modal information; and determining the degree of similarity between the first modal information and the second modal information on the basis of the first fused feature and the second fused feature.

Abstract: A method for cross-modal information retrieval is as follows. First modal information and second modal information are acquired. A first semantic feature of the first modal information and a first attention feature of the first modal information are determined according to a modal feature of the first modal information. A second semantic feature of the second modal information and a second attention feature of the second modal information are determined according to a modal feature of the second modal information. A similarity between the first modal information and the second modal information are determined based on the first attention feature, the second attention feature, the first semantic feature, and the second semantic feature.

Abstract: This disclosure describes methods and compositions for protein and peptide sequencing.

Abstract: This disclosure describes methods and compositions for protein and peptide sequencing.