天气预报15天查询> 其他> 哪种大理石的辐射最小

哪种大理石的辐射最小

更新时间: 2020-09-09 00:00:00     

一般来说,石材材质越坚密辐射越大,颜色越鲜艳辐射越大,颜色越深辐射越大。

大理石类辐射:放射性物质氡,对人体有害。氡,是一种无色无味无法察觉的惰性气体。水泥,砖刹,大理石,瓷砖等建筑材料是氡的主要来源,地质断裂带处也会有大量的氡析出。氡及其子体随空气进入人体,或附着于气管粘膜及肺部表面,形成体内辐射。

关键词: 大理石 辐射

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-2837095/ | 耗时:0.6353 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=2837095 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2837095 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2837095 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1065049,1107251,3437950,1074712,1087481,1065749,1042959,1076209,1050367,1084197,1055433,1070058,1070967,1109831,1065739,1108724,1078883,1082954,1102282,1081687,1044133,1107789,1090232,1104195,1058958,1070534,1085842,1095578,1102128,1069335) ORDER BY field (ArticleID,1065049,1107251,3437950,1074712,1087481,1065749,1042959,1076209,1050367,1084197,1055433,1070058,1070967,1109831,1065739,1108724,1078883,1082954,1102282,1081687,1044133,1107789,1090232,1104195,1058958,1070534,1085842,1095578,1102128,1069335)