Head VI [SEP] material used
Head VI
Head VI is an oil-on-canvas painting by the Irish-born figurative artist Francis Bacon, the last of six panels making up his "1949 Head" series. It shows a bust view of a single figure, modeled on Diego Velázquez's "Portrait of Innocent X". Bacon applies forceful, expressive brush strokes, and places the figure within a glass cage structure, behind curtain-like drapery. This gives the effect of a man trapped and suffocated by his surroundings, screaming into an
to cathodically protect metals that are exposed to sea water. A zinc disc attached to a ship's iron rudder will slowly corrode while the rudder stays intact. Similarly, a zinc plug attached to a propeller or the metal protective guard for the keel of the ship provides temporary protection.
With a standard electrode potential (SEP) of −0.76 volts, zinc is used as an anode material for batteries. (More reactive lithium (SEP −3.04 V) is used for anodes in lithium batteries ). Powdered zinc is used in