...方式去除染色,较严重者,不论是外因性或是内因性,都必须借由药物的使用来改善,目前以10~35%的过氧化尿素(Carbamide Peroxide)为主流,过氧化尿素为过氧化氢和尿素的结合物质,在牙齿表面上分解成的过氧化氢会再度分解,产生游离根,发挥出漂白作用,而且在...
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由双氧水与尿素反应合成过氧化尿素。
Urea peroxide is synthesized by reaction of urea with hydrogen peroxide.
本文介绍了过氧化尿素的合成和用途,并着重分析了其发展前景。
This paper introduces the synthesis and usage of urea Peroxide, and analyzes its prospect.
它们从皮肤的汗水中吸收尿素和氨,将其转化为对身体有益的氧化氮。
They feed off urea and ammonia in the sweat from the skin, turning them into nitric oxide, which is very good for the body.
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