A modal-type analysis of the interactions for submerged elastic structures with the surrounding heavy acoustic medium

1999 ◽  
Vol 105 (1) ◽  
pp. 106-121 ◽  
Author(s):  
Pei-Tai Chen
1981 ◽  
Vol 46 (2) ◽  
pp. 409-418 ◽  
Author(s):  
Gustav Šebor ◽  
Salvador Reynoso ◽  
Milan Hájek ◽  
Otto Weisser ◽  
Jiří Mostecký

Isolated petroleum asphaltenes were subjected to model thermal and catalytic hydrogenation experiments in the temperature region 300-450° C. The course of hydrogenation of the asphaltenes studied is discussed based on 1H-NMR type analysis of the starting material and the hydrogenation products.


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