环境词汇:AAQS 环境空气质量标准_第(20)页_pvc再生料 ... fluorination 氟化作用 fluorine(-containing) substance 含氟物质 fluorocarbon 氟碳化合物; 氢氟碳化合物 ...
基于18个网页-相关网页
使用含氟牙膏是一种能够确保你牙齿能够得到这种利牙矿物质好处的重要途径。
Using fluoride toothpaste is an important way to ensure that your teeth are reaping the benefits of this dental-friendly mineral.
你应该等30分钟让酸性物质中和后再刷牙，或使用含氟的漱口水来中和酸性物质。
Instead wait for 30 minutes for the acids to neutralise before brushing or even use a fluoride mouthwash to help neutralise the acid.
结果表明，含氟酸是良好的煤和石墨的脱灰剂，能有效地脱除煤和石墨中的各种矿物质组分。
The results showed that fluorine-bearing acids are good deashiag agent of coal and graphite and can effectively leach out almost all mineral components in coal and graphite.
应用推荐