4results about How to "Guaranteed reinforcement" patented technology

This invention discloses a method for identifying photomask defects, belonging to the field of photomask inspection technology. The method includes: S1, acquiring a surface defect image; S2, preprocessing the surface defect image based on the imaging characteristics of the defect; S3, correcting the preprocessed surface defect image using a filtering algorithm; S4, performing colorimetric analysis on the corrected surface defect image to obtain particle regions; S5, segmenting the particle regions based on the morphological features of the defect to obtain defect islands; S6, performing morphological analysis on the defect islands to obtain the defect type and size. The photomask defect identification method provided by this invention automatically processes surface defect images and extracts defect islands by combining morphological and colorimetric analysis methods, improving the accuracy of defect identification, overcoming the limitations of differences in imaging systems across different devices, achieving automatic batch processing, and saving manpower and material resources in mass production.

This invention discloses a method for producing 1860MPa grade rare earth steel strand wire rod, comprising: smelting process; continuous casting process; rolling process: billet heating; controlled rolling parameters; controlled cooling process; the chemical composition of the wire rod by weight percentage is: C: 0.80-0.84%, Si: 0.20-0.30%, Mn: 0.75-0.85%, Cr: 0.18-0.22%, P≤0.015%, S≤0.010%, Ce: 0.002-0.004%, La: 0.001-0.002%, Al: 0.02-0.04%, Cu≤0.02%, As≤0.01%, O≤0.0015%, N≤0.008%, with the balance being Fe and unavoidable impurities; wherein the Si / Cr ratio is 0.9-1.7. The purpose of this invention is to achieve stable and compliant mechanical properties, improved production efficiency and environmental friendliness, and controllable costs through synergistic optimization of components and processes.

The invention discloses a zinc alloy and a hot extrusion forming process thereof, and belongs to the technical field of zinc alloy processing. The process comprises the steps of blank pretreatment, segmented temperature control heating, segmented temperature control extrusion and double-stage aging treatment. The zinc alloy comprises the following components in parts by weight: 30-60 parts of aluminum, 0.5-2 parts of magnesium, 5-15 parts of copper, 0.1-0.3 part of rare earth, 0.05-0.15 part of zirconium and the balance of zinc. Through pretreatment combination of mechanical grinding, ultrasonic cleaning and phosphating treatment, a composite protection heating atmosphere of inert gas and trace hydrogen, segmented extrusion control of mold temperature and extrusion speed cooperation and double-stage aging treatment, the strength and toughness of the alloy are cooperatively improved. The tensile strength of the product is 350-420 MPa, the elongation is 12-18%, and the product is excellent in corrosion resistance, high in process stability and suitable for the field of high-end equipment manufacturing.

The invention relates to the technical field of food processing, in particular to a composite modifier for raw wet flour products and application of the composite modifier. The feed additive is prepared by compounding starch, protein, an enzyme preparation, colloid, salts and auxiliary materials according to a specific proportion. According to the composite modifier, through the synergistic effect of multiple components, the elasticity, smoothness and soft elasticity of raw wet noodles can be remarkably improved at the same time, the raw wet noodles are endowed with excellent soaking resistance and blocking resistance, and the noodles are effectively prevented from being placed into lumps for a long time. The raw materials are natural, the functions are comprehensive, the effect is remarkable, and the method is suitable for industrial production and quality improvement of various raw wet flour products.