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{职业性有害因素的危险度评定内容和主要方法}
        职业有害因素的危险度评定是通过对毒理学研究、作业环境监测、生物监测、健康监护和职业流行病学调查获得的研究资料进行综合分析，定性和定量地认定和评价职业性有害因素的不良作用，并对其进行管理的方法和过程。

　　危险度评定包括定性评定和定量评定，主要方法包括危害性鉴定、剂量-反应评定、接触评定和危险度特征分析。

　　1.危害性鉴定：主要是危险度的定性评定，确定评定的职业有害因素对接触人群是否引起职业性损害及其发生条件。

　　2.剂量-反应评定：阐明不同接触水平所致效应的强度和频率，确定剂量-反应关系。

　　3.接触评定：确定接触途径、估算接触量。

　　4.危险度特征分析：通过对前三个阶段结果进行综合、分析和判断，获得接触人群的反应率，即该人群由于接触某种有害因素可能导致某种健康后果的危险度。

危险度评定的作用有：

　　(1)估测职业性有害因素可能引起健康损害的类型和特征;

　　(2)估计这些健康损害发生的概率;

　　(3)估算和推断它在多大剂量(浓度或强度)和何种条件下可能造成损害;

　　(4)提出可接受浓度(强度)的建议;

　　(5)有针对性的提出预防的重点。

　　目前在于寻求社会可接受的危险度(sociality acceptable risk)水平，最大限度的减低职业性有害因素的不良作用;也为预测职业性有害因素的远期效应、制订安全接触限值及相应的预防对策提供依据。

　　危险度评定的内容包括：危害性鉴定、剂量—反应评定、接触评定、危险度特征分析。

 

自由空间 2011-5-18 0:53:00 | 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}
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jiwae(游客) 2017-2-20 15:46:41 | 个人主页 | 引用 | 返回 | 删除 | 回复
{Re:在漫画中识别身边的违章}
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jbgjp(游客) 2016-10-22 13:32:15 | 个人主页 | 引用 | 返回 | 删除 | 回复
{Re:在漫画中识别身边的违章}
pfims(游客)http://www.esafety.cn/blog/wll/73171/archives/2011/111002.html
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pfims(游客) 2016-10-17 13:28:44 | 个人主页 | 引用 | 返回 | 删除 | 回复
{Re:在漫画中识别身边的违章}
kadfi(游客)http://www.esafety.cn/blog/wll/73171/archives/2012/125962.html
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kadfi(游客) 2016-10-12 12:42:21 | 个人主页 | 引用 | 返回 | 删除 | 回复
{Re:在漫画中识别身边的违章}
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vbdjm(游客) 2016-10-10 2:18:42 | 个人主页 | 引用 | 返回 | 删除 | 回复
{Re:在漫画中识别身边的违章}
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kpuwa(游客) 2016-10-8 18:53:56 | 个人主页 | 引用 | 返回 | 删除 | 回复
{Re:在漫画中识别身边的违章}
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jotvz(游客) 2016-10-8 15:34:46 | 个人主页 | 引用 | 返回 | 删除 | 回复
{原创}
原创(游客)http://rywydx.lofter.com/post/1e6a68e3_c8112e6 http://rywkdks.lofter.com/post/1e698063_c7f7c5a http://rywkdks.lofter.com/post/1e698063_c7f520c http://rywkdks.lofter.com/post/1e698063_c7f7d6b http://rywkdks.lofter.com/post/1e698063_c7f6158 http://njryw168.lofter.com/post/1e6983e5_c7f1c51 http://rywywj.lofter.com/post/1e6a80c3_c820fe5 http://rywydx.lofter.com/post/1e6a68e3_c80f737 http://njryw168.lofter.com/post/1e6983e5_c7f00ae http://rywywj.lofter.com/post/1e6a80c3_c824933
原创(游客) 2016-9-30 12:04:43 | 个人主页 | 引用 | 返回 | 删除 | 回复
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原创(游客)http://ywjseo.lofter.com/post/1e634752_c651aa6 http://bjseoywj.lofter.com/post/1e66bf3e_c7117aa http://wztgywj.lofter.com/post/1e65f473_c6f0e12 http://ywjseo.lofter.com/post/1e634752_c64efe6 http://wztgywj.lofter.com/post/1e65f473_c6f0c13 http://wztgywj.lofter.com/post/1e65f473_c6eebf7 http://seogsywj.lofter.com/post/1e634756_c6dee19 http://wztgywj.lofter.com/post/1e65f473_c6ede31 http://wztgywj.lofter.com/post/1e65f473_c6e9e53 http://njseoywj.lofter.com/post/1e634754_c69a410
原创(游客) 2016-9-28 17:28:29 | 个人主页 | 引用 | 返回 | 删除 | 回复
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原创(游客) 2016-9-6 17:54:38 | 个人主页 | 引用 | 返回 | 删除 | 回复
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