To study the effect of cavitation noise radiated from ultrasonic cleaning tank on learning and memory in rats.
初步探讨了超声清洗空化噪声对大白鼠学习记忆功能的影响。
The effect of cavitation noise radiated from ultrasonic cleaning tank on learning and memory in rats is studied.
探讨了超声清洗空化噪声对大白鼠学习记忆能力的影响。
Nowadays, studies on biological effects of noise are mostly focused on the effect of audio noise, but studies of the effect of ultrasonic cleaning noise on human haven't been found yet.
目前，噪声的生物效应多集中于研究音频噪声造成的危害，而关于超声波清洗空化噪声对生物体生理机能影响的研究还未见报道。
The device solved the defects of traditional spray pyrolysis equipment such as bulky device, lower thermal efficiency, difficulty cleaning, contaminated powder easily, serious noise pollution.
该设备解决了传统喷雾热解设备体积庞大，热效率低，清洗困难，粉体容易被污染，噪音污染严重等问题。
Features: Fashionable design, a strong suction vacuum cleaner motor supports long uninterrupted operation. Perfect sound insulation is suitable for noise-sensitive area cleaning.
外观设计超前时尚，吸力强劲的进口吸尘电机使得它得以长时间不间断操作，完美的隔音设计，最能适应对噪音敏感区域的清洁。
It is characteristic of new structure, advanced circuits, reliable operation, high efficiency and low noise. And, also, it is matched with special cleaning setting and covers.
产品具有结构新颖、电路先进、工作可靠、高效率、低噪音的特点，同时配有专用清洗工装及盖子。
After cleaning, the vehicle road test to determine the engine in the course of no abnormal noise.
清理完毕后，进行车辆路试，以确定发动机在行驶过程中无异常噪音。
The low noise water hammer type hydraulic system pipeline cleaning device is applicable to the pipeline cleaning field of various hydraulic devices.
本实用新型适用于各种液压装置的管路清洗领域。
It is featured with compact conformation, steady running, low noise, corrosion resistant, easy cleaning, and convenient maintenance, etc.
该机具有结构紧凑、运转平稳、噪音小、耐腐蚀、易清洗、维修方便等特点。
The table type circulating water washer has the advantages that cleaning solution can be reused in a circulating way to the maximum extent, and the operation is simple and the noise is low.
本实用新型的优点是它能最大限度地循环再用清洁溶液，而且操作简单， 噪音小。
With leakage, phase and overload protection devices, ultra-low noise vacuum pump, large filter and filter-cleaning mechanically.
具有漏电、缺相及过载保护装置，配有超静真空泵，大面积的过滤网，机械式振尘装置。
With leakage, phase and overload protection devices, ultra-low noise vacuum pump, large filter and filter-cleaning mechanically.
具有漏电、缺相及过载保护装置，配有超静真空泵，大面积的过滤网，机械式振尘装置。
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