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A method for measuring the volume of a stack in a regular cubic space based on computer vision
ActiveCN116399228BAccurate and efficient calculationReal-time calculationComputer graphics (images)Algorithm
A computer vision-based method for calculating the volume of stacked goods within a regular cube space is disclosed. This method trains a neural network for semantic segmentation using the projected images of the stacked goods on both sides of the cube to obtain a model for calculating the projected area of the stacked goods. This model is then used to calculate the projected area of the collected image data to determine the volume of the stacked goods within the regular cube space. This method avoids the problems of human error and subjective judgment inherent in traditional manual observation methods, and also avoids the drawbacks of instrument measurement methods, such as high equipment costs and maintenance expenses, and susceptibility to environmental interference. It enables accurate and efficient real-time calculation of the volume of stacked goods within a regular cube space.
Owner:CHINA WEST CONSTR ACAD OF BUILDING MATERIALS CO LTD +1
A split-type car foot bar
Owner:SHANXI KAMEITE IND MACHINERY CO LTD +2
Tower crane elevator arrangement method and tower crane conversion mechanism for construction of main tower and main beam of cable-stayed bridge
PendingCN122585792AAvoid construction impactsavoid spatial interference
The application discloses a tower crane elevator arrangement method and a tower crane conversion mechanism for construction of a main tower and a main beam of a cable-stayed bridge, belongs to the technical field of bridge construction, and aims to solve the problems of space conflict of tower crane elevator arrangement of an ultra-wide main beam cable-stayed bridge, insufficient safety and stability caused by an overlong attachment system, and difficulty of traditional equipment in adapting to different construction stages. The arrangement method comprises the following steps: initially arranging a tower crane elevator for segmented main tower erection, arranging a bracket and an additional elevator for climbing form construction, converting the tower crane and capping the main tower, erecting a main beam by means of a pier-side support, connecting the main beam to a cable and closing the main beam, and the conversion mechanism comprises a support framework, a tower crane conversion connecting frame, an elevator conversion connecting frame and a leveling assembly. The application can avoid space conflict and safety risks, dynamically adapt to construction stages, has strong universality of the conversion mechanism, ensures equipment stability, reduces costs and improves efficiency.
Owner:CHINA RAILWAY CONSTR BRIDGE ENG BUREAU GRP CO LTD
A method for treating solid waste residues from the production of silane products by the magnesium silicide process
ActiveCN117902602BEfficient recyclingeasy to handleMagnesium hydroxideWaste treatmentAqueous solution
This invention belongs to the technical field of solid waste treatment, and particularly relates to a method for treating solid waste from the preparation of silane products using the magnesium silicide method. The method includes: S1, crushing the waste residue, adding water and stirring to dissolve it, separating to obtain filtrate A and precipitate B; S2, adding hydrochloric acid aqueous solution to filtrate A to adjust its pH value to <7, concentrating and crystallizing, and then separating the solid and liquid to obtain ammonium chloride solid C and filtrate D1; S3: adding hydrochloric acid aqueous solution to precipitate B and stirring, then separating the solid and liquid to obtain magnesium ion-containing filtrate D2 and silicon-containing solid E; S4: mixing filtrate D1 and filtrate D2 to form solution D; S5: adding ammonia water to solution D to adjust the pH value to >8, then separating the solid and liquid to obtain magnesium-containing precipitate F and filtrate G. This invention can effectively recover ammonium salts and magnesium ion-containing precipitates contained in the waste residue, and does not introduce other components during the treatment, nor does it increase the cost of additional treatment equipment.
Owner:YANTAI WANHUA ELECTRONIC MATERIALS CO LTD
A recombinant rabbit monoclonal antibody against the CK18 M30 fragment and its application
The application discloses an anti-CK18 M30 fragment recombinant rabbit monoclonal antibody pair and application thereof, relates to the field of biotechnology, and the antibody pair comprises antibody 1 and antibody 2; the heavy chain variable region amino acid sequence of the antibody 1 is shown as SEQ ID NO:1, and the light chain variable region amino acid sequence is shown as SEQ ID NO:2; the heavy chain variable region amino acid sequence of the antibody 2 is shown as SEQ ID NO:3, and the light chain variable region amino acid sequence is shown as SEQ ID NO:4; the antibody pair is obtained by mammalian cell recombinant expression; the anti-CK18 M30 fragment recombinant rabbit monoclonal antibody pair provided by the application can specifically recognize and combine CK18 fragment M30 in human serum, has high specificity and sensitivity, and the antibody pair can accurately detect the level of CK18 fragment M30 in serum.
Owner:INNER MONGOLIA BOYUE MICRO BIOTECHNOLOGY CO LTD