1.
Research on Multi-channel Adaptive Active Noise Control Systems for Reducing Vehicle Interior Low Frequency Noise;
车内低频噪声多次级声源有源消声系统研究
2.
Optimal strategy for the second source in enclosure under active noise control
封闭空间有源噪声控制次级声源优化策略
3.
Parameter optimization of secondary loudspeakers and compensators in active headrest
有源头靠系统中次级声源和控制电路的参数优化研究
4.
Sub-programme on Environment and Energy
环境和能源次级方案
5.
Acoustics--Determination of sound power levels of noise sources using sound pressure--Survey method using a reference sound source
GB/T16538-1996声学声压法测定噪声源声功率级使用标准声源简易法
6.
Acoustics--Determination of sound power levels of noise sources--Requirements for the performance and calibration of reference sound source
GB/T4129-1995声学噪声源声功率级的测定--标准声源的性能要求与校准
7.
Measurement Analysis of Explosion Acoustic Source Level in Oceanographic Hydroacoustic Survey
海洋水声调查中爆炸声声源级的测量分析
8.
Acoustics--Determination of sound power levels of noise sources--Precision methods for anechoic and semi-anechoic rooms
GB/T6882-1986声学噪声源声功率级的测定消声室和半消声室精密法
9.
Effects of infrasound with low sound pressure level on rats with cerebral ischemia-reperfusion injury
低声压级次声对大鼠脑缺血再灌注损伤的影响
10.
On the basis of the discussion, it has pointed that dipole secondary source-configuration (DAA) is the simplest attenuator.
在此基础上提出偶极次级源是较简单的次级源结构。
11.
Acoustics--Determination of sound power levels of noise sources using sound intensity--Part 2: Measurement by scanning
GB/T16404.2-1999声学声强法测定噪声源的声功率级第2部分：扫描测量
12.
Dipole Source Identification in Last Stage of Propylene Compressor
丙烯压缩机末级偶极子气动声源识别
13.
The U.S.Subprime Mortgage Crisis:Origin,Prospect and Impact;
美国次级贷款危机:根源、走势、影响
14.
Acoustics--Determination of sound power levels of noise sources--Precision methods and engineering methods for reverberation rooms
GB/T6881-1986声学噪声源声功率级的测定混响室精密法和工程法
15.
Effects of low decibel infrasound on heart function after acute myocardial infarction in rats
低声压级水平次声对心肌梗死大鼠心功能的影响及机制
16.
Secondary metabolites of marine-derived actinomycete microbes and their bioactivities
海洋来源的放线菌次级代谢产物及其生物活性
17.
The Application of Frequency-rank Distribution in R&D Resources Management;
等级-频次分布在R&D资源管理中的应用
18.
Studies on the Bioactive Constituents of Secondary Metabolites of Two Sponge-associated Fungi
两株海绵来源真菌活性次级代谢产物的研究