milligram
发表于 2025-3-25 03:45:28
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gratify
发表于 2025-3-25 09:52:26
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修剪过的树篱
发表于 2025-3-25 13:29:47
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树胶
发表于 2025-3-25 19:00:41
Overviewen widely adopted by different industries. Large-scale commercial uses of membrane separations have displaced conventional separation processes. More are expected in the future. Membrane separation processes are often more capital and energy efficient when compared with conventional separation proce
真实的你
发表于 2025-3-25 22:38:17
Definitionsnly within the last 10 to 15 years. Commercialization depended on the development of membranes with sufficient productivity and separating ability to make them economically attractive in industrial applications.
群居男女
发表于 2025-3-26 04:12:58
Theory5).where . is the diffusion coefficient and . refers to the local gas or penetrant concentration. For unidirectional diffusion through a flat membrane, Eq. (3-1) can be written for species . as (Crank 1975).where . . . . . indicates that the diffusion coefficient can be dependent on the local compos
Diskectomy
发表于 2025-3-26 07:06:45
Applicationsf refinery gas, air separation, and helium recovery from natural gas. However, commercial membranes capable of performing these separations economically have only become available within the last 15 years.
孤独无助
发表于 2025-3-26 10:22:43
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正式演说
发表于 2025-3-26 15:21:14
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Ethics
发表于 2025-3-26 20:31:36
Applications and Economicsof 5000 L/day product capacity are in operation, with many more in development and pilot phases. In Europe and Asia, the primary driving forces have been (1) reduced energy costs, (2) low overall system capital costs, and (3) superior separations possible, with no limitations imposed by thermodynami