什么是摆脱电流--qsf999的安全生产小屋

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什么是摆脱电流 | 2012-1-13 15:10:00

什么是摆脱电流

    通过人体的电流超过感知电流时，肌肉收缩增加，刺痛感觉增强，感觉部位扩展，至电流增大到一定程度，触电者将因肌肉收缩、产生痉挛而紧抓带电体，不能自行摆脱电极。人触电后能自行摆脱电极的最大电流称为摆脱电流。对于不同的人，摆脱电流值也不相同。摆脱电流值与个体生理特征、电极形状、电极尺寸等因素有关。
    摆脱电流是人体可以忍受而一般不致造成不良后果的电流，电流超过摆脱电流以后，触电者会感到异常痛苦、恐慌和难以忍受；如时间过长、则可能造成昏迷、窒息、甚至死亡。当触电电流略大于摆脱电流，触电者中枢神经麻痹及呼吸停止时，立即切断电源，即可恢复呼吸并无不良影响。
    摆脱电源的能力是随着触电时间的延长而减弱的。这就是，一旦触电者不能摆脱电源时，后果将是十分严重的。

By:qsf999 | 阅读全文 | 回复(13) | 引用通告 | 编辑

Re:在漫画中识别身边的违章 | 2017-2-19 23:44:09

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Re:在漫画中识别身边的违章 | 2017-2-18 22:04:27

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By:podhk(游客) | 个人主页 | 引用 | 返回 | 删除 | 回复

Re:在漫画中识别身边的违章 | 2016-10-20 16:07:02

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Re:在漫画中识别身边的违章 | 2016-10-16 17:43:33

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Re:在漫画中识别身边的违章 | 2016-10-14 13:47:55

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By:insuy(游客) | 个人主页 | 引用 | 返回 | 删除 | 回复

Re:在漫画中识别身边的违章 | 2016-10-13 12:30:05

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Re:在漫画中识别身边的违章 | 2016-10-11 14:25:27

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原创 | 2016-9-30 11:16:11

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