| 摘要 |
PCT No. PCT/GB89/01419 Sec. 371 Date Jul. 12, 1991 Sec. 102(e) Date Jul. 12, 1991 PCT Filed Nov. 28, 1989 PCT Pub. No. WO90/06175 PCT Pub. Date Jun. 14, 1990.A packing for a vessel to contact fluid therein wherein the packing comprises a plurality of insert units, each insert unit comprising a plurality of transversely extending elements disposed longitudinally along the insert unit and angularly thereabout wherein a portion of each transverse element lies in close proximity to a first individual conceptual surface characterized in that the insert units are disposed in side-by-side relationship in a regular manner and the cross-sectional area between adjacent individual conceptual surfaces of adjacent insert units at least at one position longitudinally of the plurality of insert units is no greater than the maximum cross-sectional area within an individual conceptual surface of an insert unit between two adjacent transversely extending elements thereof at any cross-section longitudinally of the plurality of units. |
