| http://www.w3.org/ns/prov#value | - Alternatively, the liquid may be dispensed from a suitable supply vessel of same, onto a heat element, such as a screen, grid or other porous or foraminous structure, which is heated to a sufficiently high temperature to cause the liquid to flash volatilize into the vapor phase, as for example in the manner described in U.S. Pat. No. 5,204,314 to Peter S. Kirlin, et al. and U.S. Pat. No. 5,711,816
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