在紫外线照射之前之后的图像显示，在防晒霜渗透至皮下后，皮肤的有害氧化反应增加了。
Images taken before and after exposure to UV radiation showed ROS generation in the skin increased after sunscreen penetration.
如今科学家们发现光污染几乎和二氧化碳污染一样有害。
Nowadays scientists are finding light pollution can be almost as bad as carbon dioxide pollution.
因为红肉中的蛋白质能减轻红酒中单宁酸的作用，而红酒能对抗红肉被消化时可能产生的有害物质——一种叫做丙醛或MDA的氧化脂肪。
Protein softens the wine's tannins, and red wine also helps counteract potentially harmful substances - oxidized fats called malonaldehydes, or MDA - released when meat is digested.
每天，腐烂中的垃圾都释放出大量对气候有害的混合气体，其中超过一半均为与二氧化碳相比能使气候变暖速度加快20倍的沼气。
Everyday, the decaying trash releases large quantities of a climate-harming gas cocktail.More than half of the landfill gas is methane, which warms the planet 20 times faster than carbon dioxide.
每天腐烂的垃圾释放出大量的对气候有害的混合气体，而多半都是甲烷，它使地球变暖的速度是二氧化碳的20倍。
Everyday, the decaying trash releases large quantities of a climate-harming gas cocktail. More than half of the landfill gas is methane, which warms the planet 20 times faster than carbon dioxide.
不过这种更干净的燃料一直没能投入生产，直到决策者们决定限制一氧化碳和灰尘微粒的排放量（它们是有害烟雾的主要来源，煤尘微粒则与肺癌有联系）。
But the new cleaner fuel has come on stream just as regulators are clamping down on emissions of smog-causing nitrous oxides and soot-like particulates, which have been linked to lung cancer.
黑色素同时也是一种抗氧化剂，能保护身体对抗活性氧簇，一种可以损害dna的有害成分。
Melanin is also an antioxidant that can protect the body against reactive oxygen species, harmful compounds that can damage DNA.
许多有害的或者有争议的污染物也未计算在内——比如说二氧化碳和小颗粒排放，或者其污染数据未公之于众——比如说臭氧层的破坏程度。
Many harmful or controversial forms of pollution are either not measured - as is the case for carbon dioxide and small particle emissions - or the data is not made public, as is the case for ozone.
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。
Cremation puts harmful gasses into the air including dioxins, mercury vapor from dental fillings, hydrochloric acid, carbon dioxide and sulfur dioxide.
相反，燃烧轮胎会产生有害的污染物，二氧化硫。
Burning a tyre, by contrast, produces sulphur dioxide, a noxious pollutant.
石蜡是一种已知的致癌物，而过氧化氢则对消化系统有害。随意丢弃木筷则可能污染水和土壤质量。
Paraffin is a known carcinogen, and hydrogen peroxide can harm the digestive system. Chopsticks irresponsibly disposed of can contaminate water and soil quality.
除了二氧化碳，飞机还释放出另外一种有害气体——一氧化碳。
As well as carbon dioxide, planes emit nitrogen oxide, another nasty gas.
研究人员认为，这应归功于蜂蜜的抗氧化剂性，它可防止有害物质破坏人体细胞。
The researchers propose that honey may boost memory due to its antioxidant properties, which helps to prevent free radicals damaging cells in the body.
维生素a是一种可以分解对皮肤有害的不稳定的氧分子的抗氧化物。
Choose a moisturizing eye cream that contains vitamins a, k, and C. vitamin a is an antioxidant that breaks down unstable oxygen molecules that would otherwise harm your skin.
最近，伦敦大学学院的一项研究发现，抗氧化剂（在身体里中和有害分子的任何分子）无法对抗老化。
Recently a study at University College London found that antioxidants (any molecule that neutralises harmful molecules in the body) don’t combat ageing.
她认为包括黄酮类、镁、钾、烟酸和维生素e的复合物通过有破坏性的氧化过程和降低有害的炎症反应来阻止血管老化。
She credits compounds, including flavonoids, magnesium, potassium, niacin, and vitamin e, for combating blood vessel aging by blocking the damaging oxidation process and reducing harmful inflammation.
他们已经证明出活性过氧化物酶1（prx1），一种能够将细胞内有害的过氧化氢分解的酶类，正是此正面效应的所需酶类。
They are able to show that active peroxiredoxin 1, Prx1, an enzyme that breaks down harmful hydrogen peroxide in the cells, is required for caloric restriction to work effectively.
我 们应当用感激的心回报答自然的恩赐，遵守大自然的规律，维护生态平衡，禁止燃烧任何有害物质， 严禁烟囱里释放二氧化碳。
All of us should be grateful to what nature offers us, obey the natural laws, maintain the balance of nature and ban burning any harmful l substance and giving off carbon dioxide through the chimneys.
黄腐酚含有比维生素e更强的抗氧化剂，一些研究发现它能够减少有害胆固醇的氧化。
Xanthohumol contains more powerful antioxidants than vitamin e, and some studies indicate it helps reduce oxidation of bad cholesterol.
在今天，这个概念是有十分重大的意义的，因为二氧化硫，酸雨的成因，对环境的管理是有害的。
This concept is particularly relevant today because sulfur dioxide, a contributor to acid rain, is subject to environmental regulations.
一个研究表明，许多健康问题都与自由基，抗氧化剂可以有助于防止其有害影响。
Studies have shown that many health problems are associated with free radicals, and antioxidants can help to protect against their harmful effects.
他们还具有较高的催化氧化潜力的SO2成的SO3，它可以是极为有害的，因为它的酸性属性。
They also have a high catalyzing potential to oxidize so 2 into so 3, which can be extremely damaging due to its acidic properties.
柴油污染十分严重，其有害二氧化氮及细微污染颗粒的排放量比汽油更大，并可能导致癌症、心脏病。
Diesel is highly polluting, emitting far greater amounts of dangerous nitrogen dioxide and tiny pollution particles than petrol, and can cause cancer to heart attacks.
去年丹麦的研究人员报道说补充抗氧化的维生素可能对自身有害。
Researchers in Denmark reported last year that people who take antioxidant vitamin supplements may be harming themselves.
一氧化碳对人人有害，尤其对心脏病及肺病患者有害。
While carbon monoxide is harmful to everyone, it is especially damaging to people with heart or lung disease.
一氧化碳对人人有害，尤其对心脏病及肺病患者有害。
While carbon monoxide is harmful to everyone, it is especially damaging to people with heart or lung disease.
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