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- Based on measurement of acoustic power in liquids an intensity evaluation method for ultrasonic fields is proposed to satisfy practical needs in evaluating ultrasonic cleaning equipment, and controlling ultrasonic intensity. 为解决超声清洗中超声设备性能的评价,以及工程应用中超声强度的选取和控制问题,提出了一种根据声功率大小来测定声场强度的评价方法。
- Measurement of acoustic power of piston transducer based on calorimetry 一种基于量热法的平面换能器声功率测量的方法
- measurement of acoustic power 声功测量
- The measurement of acoustic moveout is affected by both hole diameter enlargement and lithological change. 摘要声波时差测量结果受井径扩径和岩性变化的双重影响。
- J. Olsen and W.-P. Moskowitz, “Optical Measurement of Acoustic Resonance Frequencies in HID Lamps,” Proc. IEEE IAS ’97, Vol. 3, 1997, pp. 2263-2269. 杨景元、黄俊凯、莫清贤，“复金属灯高频操作之无音频共振控制法”，2004年第三届台湾电力电子研讨会，页130-134。
- Objective To investigate the influences of transducer frequency and acoustic power (AP) on the measurements of the magnitude of cyclic variation of integrated backscatter (CVIB). 目的 观察超声背向散射积分心动周期变化幅度 (CVIB)测值与探头频率及发射声波能量 (AP)的关系。
- WANG Hong-tu,XIAN Xue-fu,YIN Guang-zhi.Study on crustal stress measurement of rock mass by the Kaiser effect of acoustic emission in rock[J].Journal of China Coal Society,1997,22(5):488-490. [7]王宏图;鲜学福;尹光志.;声发射凯塞尔效应岩体地应力测试的研究[J]
- Determination of acoustic power on acoustic radiation modes 基于声辐射模态确定声功率
- Scientific measurement of the head. 头测量学，头测量学，测颅学头颅的科学测量
- Measurement of the depth of large bodies of water. 海洋测深学，海洋测深术测量大水域的深度
- The scientific measurement of time. 计时学时间的科学测量
- What are the symptoms of acoustic neuroma? 听觉神经瘤的症状有哪些？
- The overall measurement of this room is 80 square meters. 这个屋子的总面积是80平方米。
- He was now in the measures of Lewis XIV. 他此刻正与路易十四共商大计。
- When did the first measurement of the speed of sound take? 第一次测量声速是在什么时候？
- His resignation is a measure of how angry he is. 从他辞职一事可见其气愤的程度。
- Express the factors resulting in the attenuation of acoustic waves. 叙述引起音波衰减的因素。
- The transduction of acoustic waves into voltages by a microphone. 声波被麦克风转换为电压。
- The measurements of the room are 10 by 15 feet. 这个房间的面积为10×15英尺。
- I feel a measure of compassion for her. 我对她怀有一定程度的同情。
