Abstract: A method and device for separating and recovering heavy metal ions through membrane-forming mineralization fixation, applicable in the domain of acid wastewater treatment containing heavy metal ions. The process involves mixing composite mineral particles with heavy metal acidic wastewater, then conducting a first hydration reaction under static conditions. This leads to adsorption, precipitation, and crystallization of heavy metal ions in the wastewater via a colloidal liquid membrane, resulting in particles coated with a mineralized membrane. These particles exhibit a gap between the mineralized membrane and their core. The next step is to separate these coated particles and recover them. The preparation of composite mineral particles involves mixing sodium carbonate/sodium silicate, bentonite, carbide slag, and water, followed by a second hydration reaction and subsequent granulation, aging, and dehydration condensation. The particle sizes of both bentonite and carbide slag are maintained at ?74 m.

Abstract: The present application discloses a method and apparatus for obtaining an image of a form sheet, which belongs to the field of image processing technology. The method includes: obtaining graphic code information from an image to be processed, wherein the graphic code information comprises at least position information of a graphic code; determining form sheet image feature information in the image to be processed based on the position information of the graphic code; and obtaining an image of a form sheet from the image to be processed based on the form sheet image feature information. In the present application, there is no manual operation of obtaining the image of the form sheet is needed, and thus the resources are saved and the efficiency of obtaining the image of the form sheet is improved.

Abstract: The present application discloses a method and apparatus for obtaining an image of a form sheet, which belongs to the field of image processing technology. The method includes: obtaining graphic code information from an image to be processed, wherein the graphic code information comprises at least position information of a graphic code; determining form sheet image feature information in the image to be processed based on the position information of the graphic code; and obtaining an image of a form sheet from the image to be processed based on the form sheet image feature information. In the present application, there is no manual operation of obtaining the image of the form sheet is needed, and thus the resources are saved and the efficiency of obtaining the image of the form sheet is improved.

Abstract: Based on the structural features of KIR full genomic sequences, the distribution of single nucleotide polymorphisms in their coding regions and the length of flanking intronic sequence of each exon, a method for high-throughput simultaneous sequence-based typing of all the 14 functional killer cell immunoglobulin-like receptor (KIR) genes is disclosed including: developing a scientific and reasonable polymerase chain reaction (PCR) amplification strategy; simultaneously amplifying the complete coding sequence of each functional KIR gene using 3˜5 pairs of KIR gene-specific PCR primers that have similar annealing temperature; and determining the nucleotide sequences of the exons carried by each PCR amplicon in both directions using the forward and reverse sequencing primers, respectively, as shown in FIG. 1.

Abstract: Based on the structural features of KIR full genomic sequences, the distribution of single nucleotide polymorphisms in their coding regions and the length of flanking intronic sequence of each exon, a method for high-throughput simultaneous sequence-based typing of all the 14 functional killer cell immunoglobulin-like receptor (KIR) genes is disclosed including: developing a scientific and reasonable polymerase chain reaction (PCR) amplification strategy; simultaneously amplifying the complete coding sequence of each functional KIR gene using 3˜5 pairs of KIR gene-specific PCR primers that have similar annealing temperature; and determining the nucleotide sequences of the exons carried by each PCR amplicon in both directions using the forward and reverse sequencing primers, respectively, as shown in FIG. 1.

Abstract: A device for converting wave energy into electricity, the device including: a float; a guiding-accelerating wheel, the guiding-accelerating wheel including a wheel body including a casing, a wheel center, and a chamber; an impeller; and an electric generator, the electric generator including a rotor. The float is upward and downward movable in accord with a movement of wave. The guiding-accelerating wheel is connected to a lower part of the float. The wheel center is disposed inside the casing. A plurality of deflectors is annularly arranged between the casing and the wheel body, and the deflectors are inclined to a same direction. Water channels are formed by the casing, the wheel center, and every two adjacent deflectors, each water channel including a water outlet. The impeller is clamped on the guiding-accelerating wheel at a position corresponding to the water outlet of the water channel.

Abstract: An ocean wave power device, including a floating body, an electric generator, multiple water wheels, and a hydraulic accelerator, the electric generator is fixed on the floating body, the rotating shaft is disposed between the hydraulic accelerator and the floating body, and capable of rotating with respect to the floating body and the hydraulic accelerator, the top of the rotating shaft passes through the floating body and is connected to a rotor of the electric generator, the bottom of the rotating shaft passes through the hydraulic accelerator and is fixedly connected to the water wheel, a water channel is disposed on the hydraulic accelerator, and operates to form high-speed flow whereby driving the water wheels to rotate in the same direction.

Abstract: An ocean wave power device, including a floating body, an electric generator, multiple water wheels, and a hydraulic accelerator, the electric generator is fixed on the floating body, the rotating shaft is disposed between the hydraulic accelerator and the floating body, and capable of rotating with respect to the floating body and the hydraulic accelerator, the top of the rotating shaft passes through the floating body and is connected to a rotor of the electric generator, the bottom of the rotating shaft passes through the hydraulic accelerator and is fixedly connected to the water wheel, a water channel is disposed on the hydraulic accelerator, and operates to form high-speed flow whereby driving the water wheels to rotate in the same direction.