The reaction conditions such as dosages of catalyst, 1, 4 dioxane and water, solvent type, reaction temperature and time, adding method were also studied.
同时还研究了催化剂用量、1,4二氧六环的用量、溶剂种类、反应温度、反应时间、水量及加水方式等对该反应的影响。
Read labels: Select products for baby and yourself that don't contain the ingredients listed above, which are commonly contaminated with formaldehyde or 1, 4-dioxane.
阅读标签：为宝宝和你自己选择不含有上面列出的原料的产品，那些原料往往会导致甲醛和1,4-二恶污染。
Formaldehyde and 1, 4-dioxane are known carcinogens; formaldehyde can also trigger skin rashes in some children.
甲醛和1 4 -二恶烷是已知的致癌物质；甲醛还会引发一些儿童起皮疹。
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