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    • 9. 发明授权
    • Water sprays for dust control on mining machines
    • 喷水器用于矿山机械的粉尘控制
    • US08979212B2
    • 2015-03-17
    • US14024924
    • 2013-09-12
    • Board of Trustees of Southern Illinois University
    • Yoginder P Chugh
    • E21C35/22E21C35/23E21C27/24
    • E21C35/23E21C27/24E21C35/22
    • This invention refers to innovative water sprays applications to significantly improve coal and quartz dust control around a continuous miner. Significant dust control is achieved through utilizing different types of sprays at locations on the top and sides of the miner chassis to create water curtains or shrouds of water around zones of high dust concentration and zones of high concentration dust transport. This is called “multiple lines of defense” spray system (MLD.) This invention also provides a method of reducing dust around a continuous miner by configuring a spray system, located at the top or sides of the cutter boom, thereby improving control of respirable dust.
    • 本发明涉及创新的喷水应用,以显着改善连续采矿机周围的煤和石英粉尘控制。 通过在矿用底盘顶部和侧面的位置处使用不同类型的喷雾,在高灰尘浓度区域和高浓度粉尘输送区域周围创建水幕或水箱,可以实现显着的灰尘控制。 这被称为“多防线”喷雾系统(MLD)。本发明还提供了一种通过配置位于切割臂顶部或侧面的喷雾系统来减少连续采矿机周围的灰尘的方法,从而改善可呼吸的控制 灰尘。
    • 10. 发明授权
    • Tinnitus testing device and method
    • 耳鸣测试装置及方法
    • US08888712B2
    • 2014-11-18
    • US13741085
    • 2013-01-14
    • Board of Trustees Of Southern Illinois University
    • Jeremy TurnerJames Michael Kinder
    • A61B5/00A61B5/12A61B5/0484A61B5/04A61F11/00
    • A61B5/128A61B5/04001A61B5/04845A61B5/121A61F11/00
    • Objectively identifying an acoustic characteristic of tinnitus of a subject. The subject is exposed to a sound pattern having a background acoustic signal preceding an audible silence. The background acoustic signal has a selected acoustic characteristic. An electrical response of the subject's central nervous system to the exposure to the sound pattern is measured. The measured electrical response has a first portion representing the electrical response of the subject's central nervous system to the background acoustic signal, and a second portion representing the electrical response of the subject's central nervous system to the audible silence in the sound pattern. The first portion of the measured electrical response is compared to the second portion of the measured electrical response and a determination is made as to whether the subject has tinnitus with an acoustic characteristic similar to the selected acoustic characteristic based on the comparison.
    • 客观地识别受试者的耳鸣的声学特征。 受试者暴露于具有在可听见沉默之前的背景声信号的声音图案。 背景声信号具有选定的声学特征。 测量受试者的中枢神经系统对声音模式的暴露的电响应。 测量的电响应具有表示受试者的中枢神经系统对背景声信号的电响应的第一部分,以及表示受试者的中枢神经系统对声音模式中的可听静音的电响应的第二部分。 将测量的电响应的第一部分与测量的电响应的第二部分进行比较,并且基于该比较确定对象是否具有与所选择的声学特性相似的声学特征的耳鸣。