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Titlebook: Noise-Induced Hearing Loss; Scientific Advances Colleen G. Le Prell,Donald Henderson,Arthur N. Pop Book 2012 Springer Science+Business Medi

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發(fā)表于 2025-3-28 17:30:55 | 只看該作者
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Book 2012. US standards for permissible noise exposure were originally published in 1968 and remain largely unchanged today. Indeed, permissible noise exposure for US personnel is significantly greater than that allowed in numerous other countries, including for example, Canada, China, Brazil, Mexico, and th
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發(fā)表于 2025-3-29 02:05:25 | 只看該作者
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Colleen G. Le Prell,Donald Hendersonver it is not always simple to determine from these varied sources the present status of the technology and markets for various nitrogen products. We therefore perceived a need for a text that provides a comprehensive description of: 1) products that are made from or that contain nitrogen; 2) the pr
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Marjorie A. M. Granthamres is practically unlimited and depends on a researcher imagination and creativity. Initially, the chemistry of cryptands had focused on the development of new synthetic strategies, either to improve the yields or to built up more complicated molecular architectures, like cylindrical, spherical or
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Donald Henderson,Roger P. Hamernikres is practically unlimited and depends on a researcher imagination and creativity. Initially, the chemistry of cryptands had focused on the development of new synthetic strategies, either to improve the yields or to built up more complicated molecular architectures, like cylindrical, spherical or
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