天气预报15天查询> 健康> 萤石的危害

萤石的危害

更新时间: 2021-05-31 00:23:24     

1、萤石是一种矿物,其化学成分中含氟, 氟为卤族元素,对眼和皮肤有刺激性。对粘膜和上呼吸道有刺激作用。摄入后引起腹痛,可能引起死亡。长期佩戴可能会出现氟过量的现象,引起器官慢性或急性中毒,对人体骨骼和牙齿也有一定的危害。

2、萤石当中含有的磷元素,会导致环境发生污染。

关键词: 萤石 危害

如有意见、反馈、侵权或投诉等情况,请联系:

电话:
邮箱:

我们将会在48小时内给与处理!

版权所有 Copyright ? 2009-2020 tianqiyubao3.com

页面:/news/view-3457619/ | 耗时:0.5054 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=3457619 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=3457619 LIMIT 0,1
select * from tbl_Articles_sphinx where id=3457619 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(3400182,390763,388445,1298618,2316073,394991,426008,3283099,427317,371271,399095,404123,726817,712851,382698,1940674,3427586,393205,412160,396985,2604324,365730,432090,437739,436464,404223,389201,375594,396128,362977) ORDER BY field (ArticleID,3400182,390763,388445,1298618,2316073,394991,426008,3283099,427317,371271,399095,404123,726817,712851,382698,1940674,3427586,393205,412160,396985,2604324,365730,432090,437739,436464,404223,389201,375594,396128,362977)