科学家呼吁减少使用含氟化合物
文章来源:未知 文章作者:enread 发布时间:2014-08-28 08:26 字体: [ ]  进入论坛
(单词翻译:双击或拖选)
Fluorochemicals(含氟化合物) are synthetically1 produced chemicals, which repel2(抵制) water and oil and are persistent3 towards aggressive physical and chemical conditions in industrial processing. These characteristics have made the fluorochemicals useful in numerous processes and products, such as coatings for food paper and board. "We recommend that known and safe chemicals are used, or that new alternatives are developed which are not toxic4, persistent and do not accumulate in humans or the environment. Fluorochemicals should only be used were they are truly essential, and not in common consumer products"
 
The problem with fluorochemicals is that they are difficult to break down and accumulate in both humans and the environment. Some fluorochemicals have known correlations5 with harmful health effects, such as cancer, increased cholesterol6(胆固醇) and a weaker immune system in children. They can also decrease men's and women's ability to reproduce, and the chemicals can be transferred from mother to child during pregnancy7 and through breastmilk.
 
Research chemist, Dr. Xenia Trier from the National Food Institute, Technical University of Denmark and a number of international research colleagues therefore recommend that fluorochemicals are only used where they are absolutely essential, as long as measurement methods and knowledge about their potentially harmful effects are limited. The researchers drew up the statement after attending a scientific conference about fluorinated substances (5th International workshop on poly- and perfluorinated substances (PFAS)), held in Helsingør, Denmark in October 2013.


点击收听单词发音收听单词发音  

1 synthetically a15ece361e9a5289112dfbb9319bf772     
adv. 综合地,合成地
参考例句:
  • The time sequence model synthetically reflects trends of groundwater level. 总体来说,季节性时序模型的模拟和预测精度较高。
  • You can't do It'synthetically, by just flying around and dropping in. 你不能仅靠坐着飞机到处蜻蜓点水地看看就得出一个综合印象。
2 repel 1BHzf     
v.击退,抵制,拒绝,排斥
参考例句:
  • A country must have the will to repel any invader.一个国家得有决心击退任何入侵者。
  • Particles with similar electric charges repel each other.电荷同性的分子互相排斥。
3 persistent BSUzg     
adj.坚持不懈的,执意的;持续的
参考例句:
  • Albert had a persistent headache that lasted for three days.艾伯特连续头痛了三天。
  • She felt embarrassed by his persistent attentions.他不时地向她大献殷勤,使她很难为情。
4 toxic inSwc     
adj.有毒的,因中毒引起的
参考例句:
  • The factory had accidentally released a quantity of toxic waste into the sea.这家工厂意外泄漏大量有毒废物到海中。
  • There is a risk that toxic chemicals might be blasted into the atmosphere.爆炸后有毒化学物质可能会进入大气层。
5 correlations 4a9b6fe1ddc2671881c9aa3d6cc07e8e     
相互的关系( correlation的名词复数 )
参考例句:
  • One would expect strong and positive correlations between both complexes. 人们往往以为这两个综合体之间有紧密的正相关。
  • The correlations are of unequal value. 这些对应联系的价值并不相同。
6 cholesterol qrzzV     
n.(U)胆固醇
参考例句:
  • There is cholesterol in the cell of body.人体细胞里有胆固醇。
  • They are determining the serum-protein and cholesterol levels.他们正在测定血清蛋白和胆固醇的浓度。
7 pregnancy lPwxP     
n.怀孕,怀孕期
参考例句:
  • Early pregnancy is often accompanied by nausea.怀孕早期常有恶心的现象。
  • Smoking during pregnancy increases the risk of miscarriage.怀孕期吸烟会增加流产的危险。
TAG标签: health ability chemicals
发表评论
请自觉遵守互联网相关的政策法规,严禁发布色情、暴力、反动的言论。
评价:
表情:
验证码:点击我更换图片