The calculation models for acoustic property of three types of fluids were built.
为了研究孔隙流体的声学性质 ,建立了 3种流体性质的数学模型 ,分析了流体声学性质 (速度、密度、体积模量 )与地下岩石孔隙温度和压力的关系 ,同时还给出了两种流体混合状态下声学性质数学模型。
The Comparing of seabed sediment acoustic-physical properties in the Yellow Sea, the East China Sea and northern the South China Sea;
中国黄海、东海和南海北部海底浅层沉积物声学物理性质之比较
Resonance board is one of the most important components of piano,which predominate the acoustical quality.
钢琴共振板是钢琴最重要的部件之一,对钢琴声学品质有决定性的影响。
Research of Acoustic Properties and In-situ Measurement Method of Seafloor Sediments;
海底底质声学性质及原位测量技术研究
Nonlinear acoustical properties of liquid and supercritical carbon dioxide
液态和超临界态二氧化碳的非线性声学性质
The Method of Wavenumber Space Analysis for Acoustic Natures of Periodically Stiffened Plate
周期加筋板声学性质的波数空间分析方法
The theory or study of the physical properties and characteristics of musical sound.
和声学乐声物理性质的理论或研究
Properties of Acoustic Phonon Heat Transport in Low-Dimensional Nanostructures
低维纳米结构中声学声子的热输运性质研究
It forms a substantial contribution to the subjects of acoustics.
它对声学诸问题作出了实质性的贡献。
Researches on Acoustic Phonon Transmission and Thermal Conductivity in Low-Dimensional Quantum Structures;
低维量子结构中的声学声子输运与热导性质研究
Studies on Solution Properties and Ultrasonic Degradation Kinetics of Chlorinated Polypropylene;
氯化聚丙烯溶液性质和超声降解动力学的研究
Testing Study on Relationship among P-Wave Velocity and Physico-Mechanical in Xiashu Loess;
下蜀黄土超声波波速与物理力学性质试验研究
Non-Destrctive Quality Evaluation of Watermelon Based on Its Acoustic Property;
基于声学特性的西瓜品质无损检测方法研究
Electronic noise of diluted magnetic semiconductor (Ga,Mn) As around Curie point
Curie温度附近稀磁半导体(Ga,Mn)As的电学噪声谱性质
On Reservoir Fluid Identification Based on Sonic Rock Physics Model
应用声学岩石物理模型进行储层流体性质识别
Research on the Acoustic Characteristics and Acoustic Considerations of Noise-barrier;
道路声屏障声学特性与声学设计研究
Study on acoustic properties of porous elastic flexible polyurethane foam(PEFPUF) plastics
多孔弹性软质聚氨酯泡沫(PEFPUF)塑料的声学性能研究
the study of the physical properties of sound.
声音的物理性质的研究。
Sound velocity and acoustic nonlinearity parameter B/A in medium composed by certain components
不同元系媒质的声速与非线性声参量
2) Mised and inhcmoge-neous internal echo of the solid mass.
(2)内部回声为混合性或实质不均质性;
Having first-classed design and scientific production, all kinds of KANADA Brand pianos are produced with elegant appearance, excellent sound and performing characteristics.
生产出各类外型典雅、有优异声学品质和演奏性能的“卡纳达”牌钢琴。
