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![隱形殺手-噪音污染]()
163.30.44.17噪音是不受歡迎的聲音，可以有許多來源- 如人的聲帶﹑操作中的引擎﹑振動中的揚聲器膜片﹑使用中的機器等。 聲音其實是經媒介傳遞的快速壓力變化。當聲音於 ...瀏覽：963 -
![Pink Noise PowerPoint Template | Free Powerpoint Templates]()
www.free-power-point-templatesFree Pink PowerPoint Template with noise effect is a simple but effective abstract slide design that you can download to make presentations in Microsoft ... Free Pink PowerPoint Template with noise effect is a simple but effective abstract slide design th瀏覽：1479
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日期：2024-07-11
Abstract Noise PowerPoint template is an elegant orange PowerPoint template with lighting effect and vertical lines that you can download to make impressive ... Abstract Noise PowerPoint template is an elegant orange PowerPoint template with lighting effe...
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日期：2024-07-11
Noise Pollution Ppt Presentation - A PowerPoint presentation ... Slide 11: Effects Of Noise On Humans Auditory effects interfering with hearing; auditory fatigue and deafness. b) Non-auditory effects interfering with social behaviour; problems with commun...
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日期：2024-07-09
OSHA Occupational Noise San Diego State University Environmental Health and Safety Millie Tran and Sheryl Mansour Can You Imagine? Not being able to Hear what the other person is saying? Listen to the sound of music? Listen to the sound of nature? Being ....
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日期：2024-07-12
TechSmith Labs The home for new ideas & creations See All Downloads...
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日期：2024-07-13
Electrical Noise Wang C. Ng Nature of electrical noise Noise is caused by the small current and voltage fluctuations that are generated internally. Noise is basically due to the discrete nature of electrical charges. Externally generated noise is not cons...
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日期：2024-07-07
CE/AE/EnSci 524 NOISE MEASUREMENT & ABATEMENT J (Hans) van Leeuwen * * * * * * Ames Train Horn Noise Survey Roadway Noise An example of a “line source” of noise pollution (as opposed to a “point source”) Level of noise is a function of volume, type ......
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日期：2024-07-12
NOISE EXPOSURE SURVEY A PERSONAL NOISE DOSIMETER IS USED TO DETERMINE YOUR FULL SHIFT NOISE EXPOSURE. The Dosimeter and its Field Calibrator will be currently calibrated. This Annual Calibration is documented on the back or side of ......
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