Abstract Many historic Swim - Junior Suits buildings are at serious risk of deterioration due to changes in the moisture content of the soil under the buildings.Based on the typical deterioration problems of the Grand Deliverance Hall and the cultural relics in the hall, this study analyzes and concludes that the main factor affecting the generatio

The article discusses normal incidence sound absorption by aluminium foam manufactured with powder metallurgy technology.Aluminium foams with different surface morphologies were obtained by varying the type of precursor and adding filler materials Tanks/Jerseys during the foaming process.The sound absorption coefficients found for these aluminium f