聚氨酯涂层的合成及其吸声性能研究 关键词：聚氨酯涂层；吸声性能；吸声涂料 [gap=680]Key words：polyurethane coating，sound-absorption property，sound—absorption coatings
基于14个网页-相关网页
Its good characteristics include low cost high durability and good property of sound absorption.
它具有成本低、耐久性高、吸声性能好的特点。
The sound absorption coefficiet of osb was tested by the stationary wave method. the results showed that the osb had good sound absorption property compared with brick and concrete.
采用驻波管法测定定向结构刨花板的吸声系数，分析比较了定向结构刨花板与砖、混凝土吸声性能的差异。结果表明，定向结构刨花板具有良好的吸声性能。
The result shows that average absorption coefficient and noise reduction coefficient separately equal to0.58and0.60 and fine property of sound absorption at middle-low frequency.
结果表明材料的平均吸声系数和降噪系数分别达0。58和0。60，且材料的中低频吸声性能优良。
应用推荐