声音进入多孔材料或引起可弯曲变形的板振动后,声能转化为热能的效应。声波在空气中传播与空气质点因振动摩擦使声能转化为热能,引起的声波随传播距离增加逐渐衰减的现象,称为空气吸收;当声波入射多孔吸声材料时,由于空气的粘滞阻力,空气与孔壁的振动摩擦,使相当一部分声能转化成热能而被吸收,称为材料吸声。
......朋友不需要太多... Acme thread 梯形螺纹,爱克姆螺纹 Acoustic absorption 吸音 Acoustic insulation 隔音 ...
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制程条件对聚酯纤维/热塑性聚氨酯吸音复合材_电子资料文库 关键字:吸音,热塑性聚氨酯,聚酯纤维 [gap=994]Keyword:Sound Absorption,Thermoplastic Polyurethane,Polyester
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吸音板 Acoustical board ; acoustic board ; acoustic tile ; abatvoix ; [化] acoustic panel
吸音纤维板 Acoustic acid board ; [建] acoustic fibre board ; acoustical fiber board
吸音材料 acoustic material ; acoustic absorbing material ; damping material
支气管呼吸音 bronchial breath sound ; [临床] bronchial breathing sound ; bronchial respiration
肺泡呼吸音 vesicular breath sound ; vesicular murmur ; [临床] vesicular breathing sound
吸音系数 coefficient of sound absorption ; sound-absorption coefficient ; acoustical absorption coefficient ; absorption coefficient
呼吸音消失 absent breath sounds ; absent respiration ; suppressed respiration ; absent t breath sounds
吸音隔板 acoustical lining ; trdriving instructortioninging lining
The sound absorption mechanism of the collagen fiber was investigated and the sound absorption mathematical model was established. The forecast of the collagen fiber as absorption material was put f orward.
通过对胶原纤维吸音减振作用机理的研究,推导并建立其吸音减振数学模型,并对胶原纤维作为吸音材料的应用做了进一步展望,为该类材料在声学方面的实际应用奠定了理论基础。
参考来源 - 胶原纤维吸音机理的研究The structure characteristics of the collagen fiber and collagen fiber materials were introduced. The collagen fiber has double characteristics including tiny s ound-absorptive and resounding sound-absorptive properties as well as peculiar s tructure and very good sticky elasticity.
介绍了胶原纤维及胶原类纤维材料的结构特点,即具有特殊的结构和优良的粘弹性,具有微孔和共振吸音的双重特点。
参考来源 - 胶原纤维吸音机理的研究·2,447,543篇论文数据,部分数据来源于NoteExpress
通过在墙上悬挂吸音板,Sabine 减少了足够的回声,使大厅可用。
By hanging panels of sound absorbing felt on the walls, Sabine reduced the echo enough to make the hall usable.
他收集的数据得出了一个关于房间回声持续时间、吸音材料的数量和质量以及空间体积之间关系的数学公式。
The data he compiled yielded a mathematical formula for the relationship between a room's echo duration, its quantity and quality of sound-absorbing materials, and its spatial volume.
有一种墙面是麻的,据说可以吸音。
There is a kind of rough wall surface, which is said to be sound-absorbing.
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