1) ensure sound level
应备声压级
2) ensure sound pressure level
必备声压级
3) sound pressure level
声压级
1.
The fluidization behavior of 5-10 nm SiO2 and Fe3O4 particle mixtures was investigated in a fluidized bed of 56 mm diameter under different sound pressure levels and sound frequencies.
053 mm)为客体颗粒,在声压级为90~105 dB时系统考察了声场频率、声场强度和主客体颗粒不同配比关系对超细颗粒流化行为和聚团尺寸的影响。
2.
Through the spot measurement of the pump and downstream pipeline noise,and analyzing the spectrum analysis curve of sound pressure level and sound intensity level,this paper offers basis for the fundamental reason study of high vibration and noise,and puts forward t.
通过对泵及下游管线噪声进行现场测量,以及对各测点声压级谱分析曲线和声强级谱分析曲线的分析,为研究其振动和噪声高的根本原因、提出合适的改造方案提供依据。
3.
In″Panel Experiment″,two diagrams of sound pressure level vs.
本文以网络共聚物(蓖麻油/TDI+HEMA)为阻尼材料,对自由阻尼板作了噪声频谱分析,观察到在约千周以上频区,声压级较裸钢板有明显降低,对覆盖阻尼材料的钢条样品的内耗变频测量表明,内耗随频率而增加,说明自由阻尼板声压级的降低是由自身内耗随频率增大所引起。
4) SPL
声压级
1.
The effect of the bubbles in aeration flow on the Sound Pressure Level(SPL) difference and the cavitation noise intensity in pressure relief model is investigated based on the acoustical characteristics of the bubbles.
根据气泡的声学特性,对掺气水流中气泡可能对减压实验中声压级差和空化噪声强度测量结果造成的影响作了初步的理论探讨。
2.
Combining with the national and foreign related standards, the selection of SPL(Sound Pressure Level) of sound reinforcement system is discussed in terms of technique and implement.
从技术和实际应用角度,结合国内外相关标准,对扩声系统声压级的设置进行了论述。
6) acoustic pressure level
声压级
1.
Followingly, an interfacial acoustic pressure level at a certain point on the vibrating plate is found with this equation.
以脉动半球声源和固定圆板的一阶振型假设为基本物理模型，导出了不同频率下的振 声转换公式，由此求出振动板上某一点处的界面声压级。
2.
The results show that the lateral acoustic pressure level is larger than the upside and the foreside of the wh.
结果表明,在1~3000 Hz的频率范围内,车轮外侧声压级大于车轮上部和前部的声压级,域点声压级随频率增加而增大。
补充资料：声闻应
【声闻应】
闻佛声教，故曰声闻。谓若诸有学，得四谛空，修道入灭，胜性现圆，菩萨即于彼前，应现声闻身而为说法，令其解脱也。（得四谛空者，谓观苦集灭道四谛，证真空理也。修道入灭，胜性现圆者，谓从三果入灭，将登第四无学果位，胜妙之性，现前圆成也。）
闻佛声教，故曰声闻。谓若诸有学，得四谛空，修道入灭，胜性现圆，菩萨即于彼前，应现声闻身而为说法，令其解脱也。（得四谛空者，谓观苦集灭道四谛，证真空理也。修道入灭，胜性现圆者，谓从三果入灭，将登第四无学果位，胜妙之性，现前圆成也。）
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