| http://www.w3.org/ns/prov#value | - certain embodiments of the present invention can be particularly useful with shell and tube heat-exchange means having tube areas in a single means of at least about 300, 1000, 2500, 4000 square meters, basedon the outside diameter of the tubes.The inventors have discovered that certain embodiments of the present invention can be useful for exchangers wherein the tubes are made from any of the ma
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