If the propagation of sound wave diverges from the propagation regularity of the plane wave,the reactive sound intensity exists in the sound field,which has an effect on the acoustical energy transfer,and a part of the energy is kept in the sound field.
当声波传播偏离平面波传播规律时，声场中存在无功声强，影响声能量的传递，有部分能量滞留在声场中。
The influence of phonon density and phonon energy on the intensity of upconversion luminescence was analyzed by physical model and concept.
试验发现声子能量高的锗酸盐玻璃上转换发光强度远强于声子能量低的碲酸盐玻璃上转换荧光的“异常”现象。
Fluorophosphate (FP) glass can bring together both the advantages of fluoride glass and phosphate glass, like decreasing the phonon energy and improving the easy moistening property of phosphate glasses, enhanci.
氟磷玻璃综合了氟化物玻璃和磷酸盐玻璃的优点,可降低磷酸盐的声子能量,改善其易吸湿性;提高氟化物玻璃的物理化学性能等,这使它成为稀土掺杂可调谐光纤激光器的很好的掺杂介质。
Then, it is analysed on the phonon-assist energy transfer (PAT) between the Er3+ and Ce3+ based on the theory of the Weber to the host glass phonon energy and rare earth ions energy transition.
2)系列样品;测试了样品的物理性质和光谱性质;应用fudd-Ofelt理论和Weber理论分析了玻璃中Er3+, Ce3+离子间声子辅助能量转移(PAT)效率和及其影响因素,讨论玻璃基质中B2O3含量改变引起的声子能量变化对 Er3+离子荧光发射特性的影响,同时研究Ce3+的掺入对Er3+掺杂的铋硼硅酸盐光谱性质的影响。
Theoretical analysis of the ultrasonic energy transmission and experiments with all three types of linkage structure show that for the same conditions, .
旋转超声加工是加工硬脆材料的一种较好方法,要实现良好的旋转超声加工,必须设计满足多方面要求的超声振动系统,以实现超声能量传递的最大化。
Single target localization based on the acoustic energy;
基于声音能量的单目标定位
The Experimental Study on Changing Acoustic Environment in Tissue and Enhancing Ultrasound Energy Deposition by Target Emulsion;
乳剂靶向改变组织声学环境及增强超声能量沉积的实验研究
A Comparison between Acoustic Output Indices in 2D and 4D Ultrasound in Obstetrics
产科超声检查中二维与四维超声能量输出指数的比较
Acoustics--Measurement of underwater sound transducers
GB/T7965-1987声学水声换能器测量
FURTHER RESEARCH ON THE INFLUENCE OF ENERGY ATTENUATION ON SUPERSONIC VELOCITY MEASUREMENT
能量损耗对超声声速测量影响的进一步研究
a transducer that converts electrical to acoustic energy or vice versa.
把电能转化成声音能量或者把声音能量转成电能的传感器。
The ability or power to conduct or transmit heat, electricity, or sound.
传导性传导热、电、或声音的能力或能量
There are different forms of energy, such as heat energy, sound energy and chemical energy.
有不同形式的能量，如热能，声能和化学能。
There is different form of energy, such as heat energy, sound energy and chemical energy.
有不同形式的能量, 如热能, 声能和化学能。
Influence of Transducer Arrangement Number on Characteristics of Sound Field in Ultrasonic Cleaning Tank
换能器布阵数量对超声清洗声场特性的影响
A Method of Acoustic Transmission Loss Calculated with Background Noise Removal-energy Summation
一种用能量谱去噪声计算声传播损失的方法
Research on Experimental Measurement Technique for Acoustic Performance of Ducts and Silencers
管道和消声器声学性能的试验测量技术研究
I can't endure loud music.
我不能忍受音量大的音乐声。
Statistical Energy Analysis on Interior Noise Control of Passenger Car;
轿车车内噪声控制的统计能量分析法
The Theoretic Explanation Applied in the Breath Energy of Vocal Music;
声乐艺术中气息能量运用的理论阐释
Effect of Sinusoidal Dispersiens on Surface Exciton Energies;
正弦色散对表面声学激子能量的影响
Study on the measurement method of ultrasonic transducer electrical impedance
超声换能器电阻抗特性测量方法研究
Design of Parametric Acoustic Transducer Array and Test System
声学参量换能器阵及其测试系统设计
Fokker-Planck simulation of ion energy transport in ion acoustic waves
Fokker-Planck模拟离子声波中离子的能量输运
