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[GoldFinger]

Дорогие коллеги, помогите со скачиванием:

1) Performance of natural gas membranes in the presence of heavy hydrocarbons
Mohammed Al-Juaied1 and W.J. Koros
Journal of Membrane Science
Volume 274, Issues 1-2, 5 April 2006, Pages 227-243

DOI:

http://dx.doi.org/doi:10.1016/j.memsci.2005.08.013

2) Preparation of hollow fiber membranes from polyetherimide for gas separation
K. Kneifela and K.-V. Peinemann
Journal of Membrane Science
Volume 65, Issue 3, 15 January 1992, Pages 295-307

DOI:

http://dx.doi.org/doi:10.1016/0376-7388(92)87030-2

3) Gas permeability, diffusivity and solubility of nitrogen, helium, methane, carbon dioxide and formaldehyde in dense polymeric membranes using a new on-line permeation apparatus
Patrice Tremblaya, Martine M. Savardb, Jonathan Vermettea
Journal of Membrane Science
Volume 282, Issues 1-2, 5 October 2006, Pages 245-256

DOI:

http://dx.doi.org/doi:10.1016/j.memsci.2006.05.030

4) Helium sources and recovery processes - with special reference to India
M. Mukhopadhyay
Cryogenics
Volume 20, Issue 5, May 1980, Pages 244-246

DOI:

http://dx.doi.org/doi:10.1016/0011-2275(80)90047-8

Примного благодарен заранее.

[macro]

[GoldFinger]

macro, спасибо Вам большое!