Affiliation: | (1) Research Institute of Petroleum Industry , National Iranian Oil Company, Gas Research Department, P.O.Box 18745-4163, Tehran, Iran;(2) Research Institute of Petroleum Industry , National Iranian Oil Company, Gas Research Department, P.O.Box 18745-4163, Tehran, Iran;(3) Research Institute of Petroleum Industry , National Iranian Oil Company, Gas Research Department, P.O.Box 18745-4163, Tehran, Iran;(4) Research Institute of Petroleum Industry , National Iranian Oil Company, Gas Research Department, P.O.Box 18745-4163, Tehran, Iran |