天气预报15天查询> 其他> 9100口罩是哪一种口罩

9100口罩是哪一种口罩

更新时间: 2020-10-28 00:00:00     

P100口罩是NIOSH(美国国家职业安全卫生研究所)认证的防颗粒物口罩,P100口罩指对油性颗粒过滤效能的标准达到99.97%的口罩,且防护效能时间无限制。其中“P”表示适合油性或非油性颗粒物,若用于油性颗粒物,使用时间应遵循制造商的建议,100指过滤效能的标准是100(99.97%)。

关键词: 口罩

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-2705754/ | 耗时:0.6432 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=2705754 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2705754 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2705754 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1081819,1065281,1070238,1049170,1086312,1069597,995175,1084249,1077370,1083971,1082303,1058958,1067395,1063619,1065361,1099303,1076554,1055149,1067027,1053752,1077695,1131731,1056798,1096781,1085864,1899230,1090150,1064761,1073698,1079606) ORDER BY field (ArticleID,1081819,1065281,1070238,1049170,1086312,1069597,995175,1084249,1077370,1083971,1082303,1058958,1067395,1063619,1065361,1099303,1076554,1055149,1067027,1053752,1077695,1131731,1056798,1096781,1085864,1899230,1090150,1064761,1073698,1079606)