Does dioxane generated from AES cause cancer?
因aes而产生的二恶烷会致癌吗？
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。
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。
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。
The adsorption of BDMN and solvent (dioxane) on the dropping mercury electrode has also been studied.
此外，对BDMN及二氧六环在汞电极上的吸附现象也进行了研究。
In an earlier test, CSC found that many products labeled "natural" or "organic" contained 1, 4-dioxane.
在更早的检测中，CSC发现许多贴有“自然”或“有机”标签的产品中含有1,4 -二悪烷。
Many countries including China have no standards limiting the amount of dioxane in shampoo and cosmetics.
包括我国在内的许多国家对洗发水、化妆品中所含的二恶烷并未作出限量规定。
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。
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 dioxane solution was concentrated by evaporation and the remaining oil was distilled in vacuo on a water bath.
在二氧六环的解决办法是通过蒸发浓缩和剩余油是在真空中蒸馏水上热水澡。
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。
And in 2010, the manufacturer of Bawang shampoo was accused of using dioxane, a cancer-causing chemical, in its hair products.
此外，在2010年，霸王洗发水的生产厂商还被指责在洗发产品中使用致癌化学物质。
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。
The mechanism of anionic polymerization of isoprene with cyclohexane and dioxane as solvent was studied and improved by experiment.
推导了异戊二烯在环已烷-二氧六环混合溶剂中的负离子聚合机理，并通过实验进行了验证。
Also, in dioxane solution, 18Crown6 was prepared in 64.4% yields by reaction of polyethylene glycol 270 and ptoluenesulfonyl chloride.
以二氧杂环己烷为溶剂，通过聚乙二醇2 70与对甲基苯磺酰氯反应合成了1 8冠6，产率64 .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。
Pervaporation separation of dioxane-water and acetone-water mixtures has been studied by use of chitosan homogeneous and composite membranes.
使用均质和复合壳聚糖膜对二氧六环-水和丙酮-水溶液的渗透汽化分离性能进行了研究。
Common ingredients likely to be contaminated with 1, 4-dioxane include PEG-100 stearate, sodium laureth sulfate, polyethylene and ceteareth-20.
常见的有可能造成14-二恶烷污染的原料包括聚乙二醇硬脂酸酯、月桂醇聚醚硫酸酯钠盐、聚乙烯和鲸蜡硬脂醇聚醚-20。
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。
The invention also relates to, in particular, compounds having two tetrahydropyrane rings or at least one tetrahydropyrane ring and a dioxane ring.
本发明特别涉及具有两个四氢吡喃环或者具有至少各一个四氢吡喃环和二韧榛返幕合物。
Sodium gualenate was prepared from guaiazulene by using dioxane sulfur trioxide(D. S. agent ) as sulfonation agent in yield of 71% with 99.5% purity.
以愈创为原料，用二烷· 三氧化硫加合物（D。S。试剂）作磺化剂合成呱仑酸钠，总收率71% ，产品纯度在99。5 %以上。
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。
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。
Impurities in the dioxane were determined. The analysis method has important directive value for separating and purifying 1, 4-dioxane with azeotropic rectification.
确定了1,4 -二氧六环中所含的杂质，对共沸精馏法分离及提纯1,4 -二氧六环有重要指导价值。
The results showed that carbonyl groups in degradation products obviously increased and quinoid matters were produced when dioxane lignin reacted with hydrogen peroxide.
结果表明，二氧六环木素与过氧化氢反应后的降解产物中羰基明显增多，而且生成了醌型物质。
But common sense told us, in most cases micro-amount of residual dioxane should have been left in the end products in the production process, and was not intentionally added.
但就常理推断，大多数情况下二恶烷应是在生产过程中微量残留于最终产品中的，而非主动添加。
As shown by the existing information, USA, European Union and our country have not set rigid norm for the residual dioxane in shampoo and hair care products as well as cosmetics.
从现有的资料来看，美国、欧盟及我国均未对洗护用品及化妆品中二恶烷的残留量设立硬性指标。
However, our Hygienic Standard for Cosmetics and Hygienic Standard for Cosmetics (2007 edition) explicitly stated, using dioxane as raw material in the end products is prohibited.
但我国《化妆品卫生标准》和2007年版《化妆品卫生规范》中明确指出，二恶烷禁止用作生产原料添加至最终产品中。
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。
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