通常把吸声系数α＞0.2的材料，称为吸声材料（absorptive material）。吸声材料不仅是吸声减噪必用的材料，而且也是制造隔声罩、阻性消声器或阻抗复合式消声器所不可缺少的。
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radio absorptive material 电波吸収体
acoustic absorptive material 吸声材料
vibration-absorptive material 减震材料
Oil-absorptive material from Chinese fir thinnings are developed and its absorptive effects are also studied.
研制出了杉木间伐材炭化物吸油材料，同时对其吸油能力的影响作了研究。
Absorptive effect of carbonized material on VOC pollutants as well as effect of carbonization temperature on adsorptive properties are studied.
研究了炭化物对挥发性有机污染物的吸附性能，并研究了炭化温度对吸附能力的影响。
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