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  • The main application and preparation of bismuth

    The main application and preparation of bismuth

    Bismuth is the element symbol Bi, atomic number 83, atomic weight 208.98, peripheral electrical configuration 6S26P3, located in the sixth cycle ⅤA group, covalent radius 152pm, ionic radius Bi3+120pm, Bi5+74pm, first ionization energy 70...
  • How to properly disassemble and install FAG bearings

    How to properly disassemble and install FAG bearings

    1. Loosen the bolts that secure the bearing seat. Remove the imported German FAG bearing together with the bearing seat from the shaft....
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