英汉词典

1.17 out of 28 products tested - 61 percent - contained both formaldehyde and 1, 4-dioxane.

28件被测产品中的17件- 61% -同时含有甲醛和1 4 -二恶烷。

2.Their quantum yields were about 0.4 in dioxane.

在二氧六环中它们的量子产率为0.4左右。

3.In actual fact, you can easily discover dioxane in shampoo and hair care products that are within your reach.

事实上，你很容易在自己伸手可及的洗护用品中发现二恶烷的身影。

4.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。

5.California requires that products that contain more than 30 parts per million of 1, 4-dioxane carry a warning saying that the contents may cause cancer.

加利福尼亚州要求的产品中含有了超过百万分之30的1,4 -二恶烷是应该有警示说此产品中含有可能会引发癌症的物质。

6.It found between 1992-1997 that the dioxane level of some cosmetics was 79 parts per million and considered it safe for customers.

1992年至1997年，曾有一些化妆品被发现含二恶烷79ppm，但FDA认为这种含量不会危害消费者。

7.Dioxane has been frequently detected in river water, especially in ground water polluted by volatile halogenated hydrocarbons.

二恶烷经常会在河水、特别是地下水中被检测到，这主要是由于挥发性的卤代碳氢化合物造成的污染。

8.The ultraviolet absorption spectra and molar extinction coefficients, fluorescent spectra as well as quantum yields of nucleoside hydrazones in water, ethanol and dioxane were measured.

测定了在水、乙醇、二氧六环中的紫外吸收光谱与克分子消光系数以及萤光光谱和量子产率。

9.17 out of 28 products tested 61 percent contained both formaldehyde and 1, 4-dioxane.

28件被测产品中的17件- 61% -同时含有甲醛和1,4 -二恶烷。