| http://www.w3.org/ns/prov#value | - Though also not shown, the cold trap 14 is adapted to accommodate a cooling member which is filled with a material such as liquid nitrogen, carbon dioxide or helium, and is sealed against the annular lip 88 of the containment vessel 86 if either of the extension sleeves 92, 120 is not included, or is alternatively sealed against the top flange portion of the uppermost extension sleeve.
|
