Formaldehyde and 1, 4-dioxane are known carcinogens; formaldehyde can also trigger skin rashes in some children.

甲醛和14-二恶烷是已知的致癌物质；甲醛还会引发一些儿童起皮疹。

The molecular weight of PPE was controlled by adjusting the proportion of mixed solvent of water and 1, 4-dioxane.

通过混合溶剂的比例可调节聚苯醚的分子量；

But government regulators disagree on whether trace amounts of 1,4-dioxane in personal-care and household products are dangerous.

但政府监管机构不同意在个人护理和家居用品微量1，4 -二恶烷会对人体有危害。

But government regulators disagree on whether trace amounts of 1, 4-dioxane in personal-care and household products are dangerous.

但政府监管机构不同意在个人护理和家居用品微量1,4-二恶烷会对人体有危害。

The European Union has banned 1,4-dioxane from cosmetic products. And formaldehyde is not allowed in cosmetics sold in Japan and Sweden.

欧盟已经禁止了在化妆用品中使用1，4-二悪烷。而日本和瑞典也已禁止化妆品中含有甲醛。

The European Union has banned 1, 4-dioxane from cosmetic products. And formaldehyde is not allowed in cosmetics sold in Japan and Sweden.

欧盟已经禁止了在化妆用品中使用1,4-二悪烷。而日本和瑞典也已禁止化妆品中含有甲醛。

4-dioxane is a byproduct of a chemical processing technique called ethoxylation, in which cosmetic ingredients are processed with ethylene oxide.

4-二恶烷是一个叫做乙氧基化的化学加工过程的副产品，在这个过程中，化妆品原料和环氧乙烷一起进行处理。

This study is the first to document the widespread presence of both formaldehyde and 1, 4-dioxane in bath products for children, including baby shampoos, bubble baths and baby lotions.

此项研究第一次记录了甲醛和1,4-二恶烷在儿童卫浴产品中的广泛存在，包括婴儿洗发水、泡沫剂和婴儿乳液。