Effects of dioxins on human health.

二恶英对人体健康的影响。

Dioxins are environmental pollutants.

二恶英是环境污染物。

WHO activities related to dioxins

世卫组织有关二恶英的活动

Dioxins are included in this monitoring programme.

其监测规划中包括二恶英。

Known examples are Dioxins and PCBs (polychlorinated biphenyls).

已知实例为二恶英和多氯联苯。

In the environment, dioxins tend to accumulate in the food chain.

在环境中，二恶英容易聚积在食物链中。

Dioxins are of concern because of their highly toxic potential.

二恶英之所以引起关注是因其具有非常大的潜在毒性。

Dioxins occur as a complex mixture in the environment and in food.

二恶英在环境和食品中以一种复杂的混合物形式出现。

In 1999, high levels of dioxins were found in poultry and eggs from Belgium.

1999年，比利时的家禽和蛋类中发现了高含量的二恶英。

They also contain much higher levels of cancer causing dioxins and PCBs.

此外，它们还含有二氧(杂)芑和多氯联苯，大大增加了致癌风险。

Chronic exposure of animals to dioxins has resulted in several types of cancer.

动物慢性接触二恶英已导致几种类型的癌症。

Dioxins, furans and metals are persistent and bio-accumulate in the environment.

二恶英、呋喃和金属具有持久性并可在环境中生物累积。

Dioxins are a kind of specific organic compounds which are extremely toxic.

二恶英是一种毒性极强的特殊有机化合物。

What does it take to identify and measure dioxins in the environment and food?

如何辨别并测量环境和食品中的二恶英？

These studies provide an assessment of human exposure to dioxins from all sources.

通过这些研究，对人类对各种来源的二恶英的接触进行了评估。

The establishment of Codex guideline levels for dioxins in foods is under consideration.

目前正在考虑制订食品中二恶英含量规定指导原则。

Dioxins are a group of chemically-related compounds that are persistent environmental pollutants.

二恶英是一组对环境具有持久性污染力的化学物质。

This level is the amount of dioxins that can be ingested over lifetime without detectable health effects.

这种剂量是在对健康无可察觉的影响下终身可摄入的二恶英剂量。

More than 90% of human exposure to dioxins is through the food supply, mainly meat and dairy products, fish and shellfish.

人类接触二恶英，90%以上是通过食品，其中主要是肉制品和乳制品、鱼类和贝类。

The former can "theoretically generate dioxins at extremely low levels," as the FDA notes, while the latter doesn't produce any.

前者，据食品及药物管理局称，“理论上可以把二恶英产生量减到最低”，而后者则不会产生任何二恶英。

In March 1998, high levels of dioxins in milk sold in Germany were traced to citrus pulp pellets used as animal feed exported from Brazil.

1998年3月，德国销售的牛奶中出现高浓度二恶英，追踪其来源，是巴西出口的动物饲料含有柑橘果泥球所致。

Dioxins are found throughout the world in the environment and they accumulate in the food chain, mainly in the fatty tissue of animals.

在全球环境中均可发现二恶英，二恶英聚积在食物链中，主要存在于动物脂肪组织内。

Dioxins are mainly by products of industrial processes but can also result from natural processes, such as volcanic eruptions and forest fires.

二恶英主要是工业过程的副产品，但也可能来自于自然过程，如火山爆发和森林火灾。

The concern is a common one, but studies have found that most of the widely available supplements contain little or no mercury, dioxins or PCBs.

这是令人共同担忧的问题，但研究发现，大多数的广泛使用的补充剂含有很少或根本没有汞、二恶英和多氯联苯的物质。

Cremation puts harmful gasses into the air including dioxins, mercury vapor from dental fillings, hydrochloric acid, carbon dioxide and sulfur dioxide.

火葬向大气排放的有害物质有：二恶英、水银蒸汽(如果死者有假牙的话)、盐酸、二氧化碳和二氧化硫。

Dioxins are highly toxic and can cause reproductive and developmental problems, damage the immune system, interfere with hormones and also cause cancer.

二恶英是一类剧毒物质，可导致生殖和发育问题，损害免疫系统，干扰激素，还可以导致癌症。

Due to the omnipresence of dioxins, all people have background exposure and a certain level of dioxins in the body, leading to the so-called body burden.

由于二恶英普遍存在，因而所有人都有接触的环境且身体里都有一定程度的二恶英，也就产生了所谓的机体负担。

Dioxins are highly poisonous to the cells of our bodies. Don't freeze your plastic bottles with water in them as this releases dioxins from the plastic.

戴奥辛对人体细胞毒性极高。不要将你的装了水的塑料瓶予以冷冻，因为如此则塑胶会释出戴奥辛。

The quantitative chemical analysis of dioxins requires sophisticated methods that are available only in a limited number of laboratories around the world.

对二恶英进行化学量化分析需要非常先进的方法，世界上只有数量有限的几个实验室能够做到。

But it continues to raise concerns because there are no figures for dioxins - the toxins released during the burning of plastic and other synthetic materials.

但公众依然为之担忧，因为没有关于二恶英排放的数据，这种有毒物质会在塑料和其他合成材料燃烧的时候被释放出来。