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pro vyhledávání: '"Ali Motahari"'
Autor:
Ali Motahari
Publikováno v:
حکمت معاصر, Vol 11, Iss 1, Pp 213-227 (2020)
Contingency in line with general concepts such as “existence and non-existence” , “unity and plurality” , and “ causality and being caused” is one of the fundamental and remarkable philosophical issues. The proper explanation of the diffe
Externí odkaz:
https://doaj.org/article/737001bef6e74c33bad5da3982edea2d
Publikováno v:
Journal of Materials in Civil Engineering. 27
In the research reported in this paper, silica aerogel was synthesized in a cotton nonwoven mat (CNM) and then the composite was used as a sound absorber. The experimental data indicated that using aerogel as a coating on CNM significantly improved s