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Rare earth sintered magnet composite, has main phase comprising alloy materials selected from iron, boron, rare earth element, and metal, and boundary phase, heavy rare earth materials are added to boundary phase and main phase
2023-07-07
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Preparing demetallization nanocatalyst for residue upgradation, involves impregnating transition metal on alumina extrudates to obtain metal supported extrudates, adding polymeric surfactant and structure directing agent and drying and calcining extrudates to obtain demetallization nanocatalyst
2023-05-09
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Multipurpose sprinkler device for use in agricultural field for applying chemicals, such as pesticides, has trolley, provided with knapsack sprayer, wheel, lever, small sprocket, frame, chain sprocket in proportions required for smooth functioning of sprinkler
2022-11-17
