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- Acoustic Resistance Unit 声阻装置
- Based on the theory concerning the nonlinear acoustic resistance of an orifice presented by Zhao Song-ling et al. 本文基于赵松龄等发展的小孔非线性声阻理论,导得对于驻波管中垂直入射以及行波管中旁支入射二种情况下的穿孔声学结构的非线性声阻率比表示式。
- Opposition to the flow of sound through a surface,acoustic resistance is the real component of acoustic impedance and acoustic reactance is the imaginary component. 声音在通过一个表面时受到的阻力,声阻是声阻抗的实部,声抗是声阻抗的虚部。
- The energy law of yield line theory was applied to the theory of "resistance unit" of flat slab strengthening analysis. 屈服线理论能量法用于无梁板加固分析的“抗力单元”理论、及该理论应用于加固分析的可行性。
- The energy law of yield line theory was applied to the theory of “resistance unit” of flat slab strengthening analysis. 屈服线理论能量法用于无梁板加固分析的“抗力单元”理论、及该理论应用于加固分析的可行性。
- It was experimentally proved for the first time that the maximum acoustic power output can be transferred to the load when the acoustic resistance of RC load equals to its acoustic capacitance impedance. 首次通过实验验证了当声阻与容抗相等时,热声发动机向阻容负载传递的声功率最大。
- One end of the cable is permanently connected to the enclosed mercury switch and the entire assembly is encapsulated to form a completely watertight and impact resistant unit. 电缆的一端永久性连接在封闭的水银开关内,这个完整的密封总装形成完全不透水、抗撞击装置。
- Equivalent Specific Acoustic Resistance of Sound Absorbing Materials 吸声材料的当量声阻率
- Said precast concrete bridge deck assembly has precast concrete bridge deck, end surface loop type steel reinforcement, bottom surface shear resistant slot, and bottom surface shear resistant unit. 所述预制混凝土桥面板组件具有预制混凝土桥面板、端面环型钢筋、底面抗剪槽、底面抗剪器;所述钢梁组件具有直立钢梁、钢梁上翼缘板、连身钢板侧模、抗剪器、连身钢丝网端模;
- A THEORETIC DISCUSSION ON NEUTRAL -POINT EARTHING RESISTANCE UNIT 关于中性点接地电阻器的理论探讨
- empirical formula of specific acoustic resistence 声阻率经验公式
- Her resistance to the proposal has crumpled. 她对这个建议的抵触情绪已化为乌有了。
- Opened the show with an acoustic set. 不用电子乐器开始演出
- Each of the bulbs has a resistance of120 ohms. 每一盏灯泡有120欧姆的电阻。
- child resistant unit dose package for medication 防儿童误服的单剂量药物包装
- Copper has less resistance than lead. 铜的电阻比铅的小。
- There has been a lot of resistance to this new law. 反对这项新法律的人很多。
- Our troops encountered only token resistance. 我们的部队仅受到表面上的抵抗。
- acoustical resistance measurement 声阻测量
- Resistance stiffened even further last week. 上星期抵抗进一步加强了。