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Article . 2016
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Определение коэффициента диффузии из коэффициентов проницаемости мембран

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 2016 Russian Publisher:Общество с ограниченной ответственностью «Омега сайнс»Journal:Символ науки (issn: 2410-700X, Copyright policy )

Определение коэффициента диффузии из коэффициентов проницаемости мембран

Abstract

С помощью литературных данных по измерению коэффициентов проницаемости воды в мембранах, изготовленных из ацетата целлюлозы, для различных типов диффузии были получены значения коэффициента диффузии D в этих мембранах. При этом величина D, полученная из экспериментальных данных различных авторов для различных типов диффузии с точностью порядка 25% оказалась одинаковой, равной 8.1 10-12 м2/сек. Выведена формула для расчета коэффициента диффузии, и с ее помощью оценено расстояние между «вакансиями» в мембранах, которое по порядку величины достаточно хорошо согласуется с расстоянием между цепями полимеров.

Keywords

ДИФФУЗИЯ ВОДЫ В МЕМБРАНАХ,КОЭФФИЦИЕНТ ДИФФУЗИИ,КОЭФФИЦИЕНТ ПРОНИЦАЕМОСТИ

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average