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- Application of DSP Technology in Sound Intensity Test System dsp技术在声强测试系统中的应用
- Sound intensity test 声强测试
- This paper explores the feasibility of ultrasonic technology leading to produce fire-retardant wood and test conditions such as frequency, sound intensity and time etc. 摘要探讨了超声波应用于木材阻燃浸渍处理过程的可行性，同时讨论了超声波试验参数频率、声强、辐射时间等的选择。
- A measure of sound intensity equivalent to one decibel at 1000 Hz. 一种声强的量度单位,其值等价于1000Hz 1分贝。
- The range of sound intensity of noise in the productive depart was 85-89 dB(A). 生产车间噪声声强范围在85~89 dB(A)之间;
- Fahy, F. J., Sound Intensity , Elsevier Science Publishers LTD, 1989. 白明宪，声学理论与应用，全华科技，1999。
- The contrasting results show that sound intensity, radiation time and frequency are the main factors, and the secondary factors are test temperature, working mode and settlement time. 对比实验研究表明：声强、辐照时间和频率是影响破乳脱水率的主要因素，而实验温度、工作方式、沉降时间等为次要因素。
- The precuring is a critical phase in the quick intensity test of cement because it is an important premise of the 28-day's compressive strength s prediction. 摘要在水泥强度快速检验过程中，预养期是一个重要的阶段。预养期的合理选择是准确预测标准养护条件下水泥28天抗压强度的重要保证。
- It was found that the sonochemical yield is linearly related to sound intensity and irradiation time. 但是,直到目前,人们对空化泡数量与声化学产额之间定量关系的描述还很缺乏。
- The precuring is a critical phase in the quick cement intensity test because it is an important premise of the 28 day compressive strength's prediction. 文章通过大量的试验和数据,进行了不同湿养时间下水泥快速强度与标准强度相关性的分析研究,验证了水泥强度快速检验过程中合理的养护制度。
- Degradation rate of TOC in aniline-containing solution at sound intensity of 0.3W/ml was slightly lower than that at sound intensity of 0.2W/ml. 在声强0.;3W/ml条件下，苯胺溶液的TOC降解率比声强为0
- Degradation rate of TOC in aniline-containing solution at sound intensity of 0.3W/ml was slightly lower than that at sound intensity of 0.2W/ml. 在声强0.;3W/mL条件下，苯胺溶液的TOC降解率比声强为0
- Degradation rate of TOC in aniline-containing solution at sound intensity of 0.3W/ml.was slightly lower than that at sound intensity of 0.2W/ml. 在声强0.;3W/mL条件下，苯胺溶液的TOC降解率比声强为0
- The accuracy and efficiency of the measurement method has been proved bythe measuring results for two kinds of sound intensity probe B &K3519 and CM25. 比较B&K3519声强探头和由两只国产CM25传声器构成的声强探头的测量结果，说明该方法准确、有效。
- Acoustic horn is a key component in power ultrasonic equipment and plays a role in improving sound intensity and matching impedance. 超声变幅杆是功率超声设备中的关键部件,它起着增大声强和阻抗匹配的作用。
- The influence of the DFT leakage errors on the sound intensity measurement is analyzed and the simulation examples are presented. 分析DFT泄露误差对声强测量的影响,进行模拟计算。
- This paper introduces the principles of sound intensity method and the application of the method to measure the noise of the fan. 该文介绍了声强法的原理和通风机噪声的声强测量方法,有一定实际应用价值。
- The results of nitrification intension test indicated that PBP 6 and PBP 9 could inhibit urea hydrolysis for 2 days, DCD and the other PBP could not. PBP6和PBP9对尿素水解的抑制能持续2d,DCD及其它处理则不能;
- Methods The cardio-pulmonary function and the change of lactic acid in blood were detected with sport maximum intension test. 方法采用极量运动试验,测定运动不同时期心肺功能指标及血乳酸含量变化,了解两组间运动耐力和强度差异。
- The more the sound intensity was, the more degradation was. CCl 4 was chosen as adjuvant to degradation process, which feasible mount was 5mL/L solution. 声强越大,降解率越大,降解助剂CCl4适宜的量为5mL/L。
