11results about How to "Reduce graininess" patented technology

The invention relates to a special reservoir protection material for oil-based drilling fluid as well as a preparation method and application of the special reservoir protection material. The raw materials of the special reservoir protection material comprise a proppant, a micro-elastic plugging agent, a composite plugging agent and microcapsules. The special reservoir protection material provided by the invention can be well suitable for oil-based drilling, and reservoir damage caused by inapplicable particle properties is reduced. When the composite material is applied to a protection method of a multi-size screen closed reservoir, the application range of pore throat cracks of a reservoir protection material can be widened, and the reservoir protection effect that main seepage channels are fully covered is achieved.

The invention relates to the technical field of image processing, discloses a myocardial region data processing method and device based on a joint learning framework, and designs a two-stage optimization method of myocardial segmentation pre-training, optical flow estimation pre-training and joint training. The output performance of a final unsupervised optical flow estimation model on a local myocardial region is improved, and semantic information brought by myocardial segmentation can provide physiological shape constraint for an optical flow estimation task and realize optical flow refinement on the local myocardial region; the optical flow estimation can add time sequence constraint for the segmentation task, and the segmentation target frame is diffused to the whole cardiac cycle sequence from the ED / ES frame through motion consistency.

The application provides an LED straight tube lamp, comprising: a lamp tube, the lamp tube comprising a diffusion coating covering the inner circumferential surface of the lamp tube; a lamp cap arranged at one end of the lamp tube; a lamp plate arranged in the lamp tube, the lamp plate being provided with a light source; a power supply, the power supply being in electrical communication with the light source through the lamp plate, the power supply comprising a circuit board and a power supply module arranged on the circuit board; the lamp plate is a flexible circuit board or a flexible substrate, the lamp plate having a part fixed on the inner circumferential surface of the lamp tube and a part located at both ends of the lamp plate and not fixed on the inner circumferential surface of the lamp tube, wherein the part not fixed on the inner circumferential surface of the lamp tube forms a free part, one end of the free part is deformed by being contracted towards the inside of the lamp tube, and the free part is directly welded to the circuit board of the power supply, the free part being an integral part of the flexible circuit board or the flexible substrate.

The invention relates to the technical field of diet preparation, in particular to a medical nutritional diet preparation machine which comprises a bearing box body, a conveying channel is formed in the bottom end of the interior of the bearing box body, an oscillation mixing assembly is arranged in the conveying channel, and the oscillation mixing assembly comprises an oscillation transmission shaft rotationally installed on the inner wall of the conveying channel; an oscillating plate is fixedly mounted in the middle of the oscillating transmission shaft; a mixing assembly is arranged in the bearing box body, the mixing assembly comprises an assembling cavity formed in the middle position in the bearing box body, and an oscillation push rod slidably mounted in the bearing box body is arranged between the assembling cavity and the conveying channel. Through the vibration mixing effect of the mixing assembly, it can be ensured that raw materials are fully dispersed and evenly mixed in the mixing and collecting box; compared with a traditional stirring mode, the mixing assembly can more thoroughly break agglomeration and caking among the raw materials, so that various components are more uniformly distributed in the mixture.

The invention relates to a multifunctional rear combination lamp and a vehicle. The multifunctional rear combination lamp comprises a lamp shell, an outer lens shell and a light-emitting assembly formed between the lamp shell and an outer lens, wherein the lamp shell and the outer lens shell are fixed to each other. The light-emitting assembly comprises a base, a steering lamp thick-wall part and a brake lamp thick-wall part, a plurality of first position lamp light-emitting units with the heights sequentially increased are arranged on one side of the upper end of the base, a plurality of steering lamp light-emitting units with the heights sequentially increased are arranged on the other side of the upper end of the base, and the upper end of the base is fixedly connected to the steering lamp thick-wall part. One side of the lower end of the base is provided with a plurality of second position lamp light-emitting units of which the heights are sequentially decreased, and the other side of the lower end of the base is provided with a plurality of brake lamp light-emitting units of which the heights are sequentially decreased; a reversing lamp reflector is arranged in the middle of the base, and reversing lamp light-emitting units are fixedly connected to the two sides of the reversing lamp reflector. According to the scheme, the light emitting uniformity of the light source can be improved, the granular sensation of the light emitting face is reduced, the light source utilization rate is increased, and interference to pedestrians and drivers of rear vehicles is avoided.

This application discloses a driving method and driving system for a display panel, as well as a display device. The display panel includes multiple pixels, each pixel including a red sub-pixel, a green sub-pixel, and a blue sub-pixel. The driving method includes: acquiring image information of an initial image, the image information including initial grayscale values ​​corresponding to three sub-pixels of at least one pixel, each initial grayscale value corresponding to a target grayscale value, the target grayscale value including a first target grayscale value and a second target grayscale value, the magnitude of the initial grayscale value being between the first target grayscale value and the second target grayscale value; determining whether at least three initial grayscale values ​​are all equal; if not, calculating the grayscale difference between the maximum value among the at least three initial grayscale values ​​and the initial grayscale value corresponding to a sub-pixel of at least one other color under preset conditions; acquiring the number of sub-pixels displayed with the initial grayscale value and the number of sub-pixels displayed with the target grayscale value based on the grayscale difference, so as to display a target image.

The invention discloses a water-based digital printing sublimation ink, and relates to the technical field of digital printing. A water-based digital printing sublimation ink comprises the following raw materials by weight: 60-80 parts of aqueous solvent, 5-30 parts of nano-color paste, 0.1-3 parts of wetting agent, 1-10 parts of emulsifying thickener, 0.1-1 parts of pH regulator II, and 0.1-1 parts of bactericidal preservative. By adding a wetting agent and an emulsifying thickener, not only the ink has good printing fluency and stability, the sublimation ink is not easy to clog the nozzle during high-speed printing, and the occurrence of broken holes during printing is reduced, but also the quick-drying property of the ink is greatly improved, so that the sublimation ink can dry quickly after transfer, and prevent the ink from blurring and diffusing during the transfer and drying process, which is conducive to improving the sharpness of printing and reducing the sense of grain, and improving the printing effect.

The invention relates to the technical field of coating processes, in particular to a coating structure with a liquid metal effect and a preparation method of the coating structure. The colored paint film comprises the following raw materials in parts by weight: 0-20 parts of pigment and 2-7 parts of aluminum powder; the aluminum powder is in the shape of silver yuan, and the mass ratio of fine-particle-size aluminum powder to aluminum powder in the aluminum powder is larger than or equal to 0.5; the particle size of the fine-particle-size aluminum powder is less than or equal to The weight part of the pigment is controlled to be 0-20 parts generally, and the mass part of the aluminum powder is controlled to be 2-7 parts generally, so that a colored paint film shows a better liquid metal effect; in addition, the shape of the aluminum powder can be silver yuan, the mass ratio of the aluminum powder with the fine particle size to the aluminum powder in the aluminum powder is generally larger than or equal to 0.5, the small-particle aluminum powder can be promoted to be evenly arranged, the twinkling feeling of the colored paint film is improved, meanwhile, the granular feeling of the colored paint film is reduced, and therefore the liquid metal effect of the colored paint film can be improved, and the service life of the colored paint film is prolonged. Therefore, the colored paint film has the characteristics of high brightness in the front view and low brightness in the side view.

The application provides a pixel arrangement structure and a display panel. The pixel arrangement structure comprises at least one pixel group, the pixel group comprises a plurality of sub-pixels arranged in an array; in the pixel group, the number ratio of high gray scale sub-pixels to low gray scale sub-pixels is 1:2 or 1:3; the low gray scale sub-pixels comprise first low gray scale sub-pixels, and the number of high gray scale sub-pixels and the number of first low gray scale sub-pixels in every adjacent N rows of the sub-pixels are equal, N is an integer multiple of 2, an integer multiple of 3 or 1. The application can improve the visual effect while improving the view angle compensation effect and weakening the picture grain feeling.

The present invention relates to a method for generating a three-dimensional thermal cloud map based on webgl, comprising the steps of: S1: generating N cubes in a scene to be rendered, for filling the scene to be rendered; S2: respectively calculating the final opacity of each fragment of the six faces of the N cubes in step S1; S3: obtaining the RGB color value corresponding to the thermal map color band according to the final opacity of the fragment, thereby attaching the RGB color value to the fragment; S4: calculating the colors of all the fragments of all the cubes, and finally generating a three-dimensional thermal cloud map. The method for generating a three-dimensional thermal cloud map based on webgl generates N cubes from the scene to be rendered to fill the area, and then determines the color of the fragment by the distance between the thermal point and the cube fragment, thereby obtaining all the colors of the cube and generating a three-dimensional thermal cloud map. The method reduces the granularity of rendering, and the rendered thermal cloud map has low granularity and is smoother.

The application discloses a display compensation method and system, a display device and a storage medium. The compensation method is applied to a display panel, the display panel is divided into N display partitions which are the same in size and do not overlap with each other, wherein N is a positive integer greater than 1, and the compensation method comprises the following steps: obtaining charging rates of the N display partitions; obtaining N target gray scale compensation tables according to the charging rates of the display partitions and a preset gray scale compensation table; and performing brightness compensation on the display partitions according to the target gray scale compensation tables. The application performs high-low gray scale compensation processing on different regions to different degrees, reduces the particle feeling, improves the display quality, reduces the consumption of storage resources and the manufacturing cost.