Commonly used oxidants-manganese dioxide

Commonly used oxidants-manganese dioxide

Manganese dioxide is a dark brown powder, mp 535 oC (decomposition), d 5.03 g/cm3. Insoluble in water and organic solvents. It can be used as a commercial reagent. In organic synthesis, MnO2 is used as an oxidant, and its reactivity is rela...
Application scenarios of tapered roller bearings

Application scenarios of tapered roller bearings

Tapered roller bearings mainly bear radial and axial combined loads. The bearing capacity of the bearing depends on the raceway angle of the outer ring....
Installation and parameters of tapered roller bearings

Installation and parameters of tapered roller bearings

Adjusting the axial clearance For the installation of the axial clearance of the tapered roller bearing, the adjustment nut on the journal, the adjustment washer and the thread in the bearing housing hole, or the preload spring and other met...
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