1) sound absorbent hangers
吸声体吊件
1.
During the construction of Guangxi Pingguo County Stadium,PDCA circulation was adopted to the construction quality control of long-span wire frame sound absorbent hangers,which achieves good results.
在广西平果县体育馆工程施工过程中,采用PDCA循环对大跨度网架吸声体吊件进行施工质量控制,取得了良好效果。
2) acoustical ceilings
吸声吊顶
3) absorptive cylinder
吸声柱体
1.
Insertion loss of barrier with absorptive cylinder at the edge was calculated at 400Hz(the equivalent frequency of transportation noise) by IBEM,additional attenuation of absorptive cylinder with different dimension was analyzed,These conclusions was presented: The dimension should be over 0.
应用间接边界元法,分析在道路交通噪声等效频率400Hz时,对于顶端带吸声柱体声屏障,吸声柱体在不同直径时插入损失的变化规律。
4) absorber
[英][əb'sɔ:bə] [美][əb'sɔrbɚ]
吸声体
1.
Panel resonance on absorption characteristics of microperforated panel absorber;
微穿孔板吸声体中的板振动
2.
The paper studies the absorptive properties of functional absorber of microperforated metal panels in different perforating sizes, in different hollow volume and forms.
通过对微穿孔金属板空间吸声体穿孔板穿孔率大小和吸声体空腔体积及形状几种情况下的吸声特性的实验研究 ,为微穿孔金属板空间吸声体的应用提供了依
3.
Based on the accurate theory of the micro-perforated panel absorber,this paper presents one kind of approximate arithmetic for micro-perforated absorber with variational cavity.
基于马大猷教授提出的"微穿孔板吸声体精确理论",针对带变厚度空腔的微穿孔板吸声体,提出了一种理论近似算法。
5) sound absorbing object
吸声物体
补充资料:吸声
分子式:
CAS号:
性质:声波通过某种介质或射到某介质表面时,声能减少或转换为其他能量的过程称为吸声。表征材料吸声性能的参数是吸声系数(acoustical absorption coefficient),即被材料吸收的声能与入射声能的比值。吸声系数大于0.2的材料称为吸声材料(acoustical absorption materials)。常用的吸声材料有玻璃棉、矿渣棉、卡普隆纤维、棉麻等植物纤维、泡沫微孔吸声砖等。
CAS号:
性质:声波通过某种介质或射到某介质表面时,声能减少或转换为其他能量的过程称为吸声。表征材料吸声性能的参数是吸声系数(acoustical absorption coefficient),即被材料吸收的声能与入射声能的比值。吸声系数大于0.2的材料称为吸声材料(acoustical absorption materials)。常用的吸声材料有玻璃棉、矿渣棉、卡普隆纤维、棉麻等植物纤维、泡沫微孔吸声砖等。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条