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from article Continental drift
Map of the Earth as Pangea broke up as a result of continental drift. (Copyright © McGraw-Hill)
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from article Hydroformylation
Oxo process with fixed catalyst bed.
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from article Hydroformylation
Slurry process, in which the catalyst is carried with the liquid reactant.
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from article Agricultural aircraft
An agricultural aircraft applying pesticide over a field. (Credit: BrianBrownImages/Getty Images)
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from article Agricultural aircraft
Application equipment for fixed-wing agricultural aircraft. The spraying equipment is shown on the aircraft, and a ram-air-type spreader for dry materials is shown below the aircraft.
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from article Agricultural aircraft
Application equipment for rotary-wing agricultural aircraft. (a) Helicopter with spray equipment attached. (b) Dry equipment. (c) Detail of hopper and spinner.
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from article Stalactites and stalagmites
Stalactite and stalagmite deposits. Along the central opening are deposits made by water as it dripped from the crack in the limestone. Outside layers were deposited by water flowing over the surface. Water may drip to the floor and create a…
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from article Arc welding
Fundamental connections of electric equipment and workpiece for arc welding.
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from article Arc welding
Welding arc for a covered metal electrode.
Image
from article Arc welding
Schematic diagram of automatic wire feed and control for arc welding.
