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- Now, noise absorptive materials are standard features of all new highways. 今天,新建的高速公路都铺上吸音物料。
- noise absorption materials 吸声材料
- noise absorption material 吸声材料
- Noise isolation, noise absorption and muffling are individually applied to each region in accordance with their feature. 根据不同分区内噪声的特点，在不同控制区分别采用隔声、吸声和消声等噪声控制技术。
- Use of high loss ferrite material for excellent high frequency noise absorption. 使用优质高衰减铁氧体磁芯提高高频噪音隔离.
- Sound absorption materials is always used in controlling reverberation time in the acousti-cal design of studios. 对演播厅混响时间的控制,在声学设计上往往通过安装吸声材料来实现。
- In the air blower and the blade carrier installs air noise reduce and absorption material, the movement noise is lower than 75 decibels. 风机风箱、风刀室内安装降噪音、吸音材料,运行噪音低于75分贝。
- Ball mills are the main source of noise pollution in power plants.Noise isolation hoods are most suitable for noise absorption, vibration damping and sound isolation. 钢球磨煤机噪声是电厂的主要噪声源之一,采用隔声罩能发挥吸声、减振、隔声的作用。
- We think with the appropriate design of structure, anthracenederivatives can be used as fine two photon absorption materials. 我们认为经过恰当结构设计合成出的蒽基衍生物可能成为一类优良的双光子材料。
- Finally, the future of noise active control is proposed, that is design theory and method of sound interdict strap, active sound absorption and research of new absorption material. 最后，提出噪声控制工程的未来发展方向，即：声学禁带设计理论与方法，主动吸声，新型吸声材料的研究。
- Study on the noise absorption by nonwovens 非织造布结构吸声性能研究
- This thesis selects hydrotalcite as selective IR absorption material by its characters of layer and ion-exchangeable. 本论文利用水滑石层状结构特点和层间离子的可交换性，将其作为选择性红外吸收材料。
- Inside wall of pump chamber is adhibited with sound absorption material, equipped with double layer sound isolation door. 水泵房等房间内壁贴吸声材料。采用双层隔音门。
- The paper chooses the appropriate muffler,and experiments with the capability of sound absorption material,and designs the dustproof project. 本文通过选择合适的消声器以及吸声材料实验和防尘方案的设计。
- Commonly conventional radars can not discover the stealth target with optimized design and covered with microwave absorption material. 对于优化设计和涂有吸波材料的隐身目标一般用常规雷达无法发现。
- Micro-coiled carbon fibers are of great potential as electromagnetic absorptive materials and hydrogen storage medium because of their excellent physical and chemical properties. 摘要螺旋炭纤维具有优异的物理和化学特性，在电磁波吸波材料、氢气存储等领域极具应用价值。
- water sound absorption materials 水声
- A loud noise from the street diverted my attention. 街上一阵喧闹声转移了我的注意力。
- underwater acoustic absorption materials 水声吸声材料
- Scattering fields of complex target coated with anisotropic radar absorption material(ARAM) were calculated using the method of graphical electromagnetic computing. 采用图形电磁计算方法分析涂敷各向异性雷达吸波材料的简单及复杂目标的电磁散射.
