在肝中毒机理学说中,脂质过氧化学说占有重要的地位。
Lipid peroxidation is an important theory in the mechanism of hepatic intoxication.
自闭症儿童的线粒体还释放一些富氧化学物质,例如过氧化氢。
The mitochondria of the autistic children also leaked damaging oxygen-rich chemicals such as hydrogen peroxide.
它们似乎拥有一种类似氢化酶体的细胞器。氢化酶和线粒体相像,但利用无氧化学工作。
Instead, they seem to have organelles that resemble hydrogenosomes-similar to mitochondria, but that use anaerobic chemistry.
贝托莱的燃素学说实际上和拉瓦锡的热质理论有吻和之处,所以贝托莱比较顺利地接受了氧化学说。
There were similarities between Berthollet 's phlogiston theory and Lavoisier's theory of heat matter in fact, so Berthollet accepted oxygen easier.
这些细菌实际上就是硫化氢和二氧化碳的结合体,而这种化学反应产生的有机物质是更大的有机体的食物。
These bacteria actually combine the hydrogen sulfide with the carbon dioxide and this chemical reaction is what produces organic material which is the food for larger organisms.
正如我们所说,这些热液喷口正在向海洋深处释放这种强热的水,含有一种叫做硫化氢的化学物质,和一种气体,二氧化碳。
As we said, these hydrothermal vents are releasing into the ocean depth this intensely hot water that contains a chemical called hydrogen sulfide, and also a gas, carbon dioxide.
阿伦尼乌斯计算了二氧化碳在地球大气层内的蓄热能力,但是其他化学家对此有异议。
Arrhenius calculated the capability of carbon dioxide to trap heat in the Earth's atmosphere, but other chemists disagreed.
化学自养生物和化学异养生物从无机氧化反应获得能量。
Chemoautotrophs and chemoheterotrophs obtain energy from inorganic oxidation reactions.
解释这些现象需要新的方法产生氧化剂,这种氧化剂却无法改变大气层中其他化学物质的平衡。
Explaining these requires new ways of producing oxidising power which do nothing to alter the balance of other chemicals in the atmosphere.
罗伯逊:氧化应激是一种由化学反应或我们摄取的东西——即被我们身体吸收的物质——造成的毒性分子堆积。
Robertson: Oxidative stress is an accumulation of molecules that comes about because of chemical reactions, or stuff we ingest, things that get in our body.
这学期我们随后会讨论燃料电池,当我们讲到,关于氧化还原反应和电化学单元时。
And, we'll talk about fuel cells later in the semester when we do the unit on REDOX reactions and electrochemistry.
二氧化碳将被化学物质从烟囱中除去,转化为一种液体,从而可以被储存在地下。
Carbon dioxide will be removed from the chimney using chemicals and turned into a liquid, ready for storage underground.
而另一方面,二氧化铅是电负性物质,在化学反应中更喜欢吸收电子。
Lead dioxide, on the other hand, is highly electronegative, preferring to absorb electrons in chemical reactions.
其他的过滤器以及化学“捕捉器”负责处理能够引起酸雨的硫氧化物和氮氧化物。
Other filters and chemical "scrubbers" catch oxides of sulphur and nitrogen that would otherwise cause acid rain.
项目目标:将微生物与电化学催化系统结合起来,利用氢气和二氧化碳生产丁醇,再利用化学方法将丁醇转化为航空燃料。
Project Goals: Develop a combined microbial and electrochemical catalytic system that converts hydrogen and carbon dioxide into butanol, and find a chemical method to convert butanol into jet fuel.
鉴于这些化学物质都是比二氧化碳更有危害性的温室气体,这一效用同样有助于抗击全球变暖。
Since both of these chemicals are more potent greenhouse gases than carbon dioxide, this effect, too, should help combat global warming.
一氧化碳也是产生臭氧污染和城市雾霭的化学物质之一。
Carbon monoxide is also one of the chemicals that create ozone pollution and urban smog.
她还说,这些水果中的抗氧化成分和植物化学成分能够保护细胞,使之少受伤害。
The antioxidants and other phytochemicals in these fruits can protect the cell, she says, so there is less chance for damage.
当森林着火后,会释放包括一氧化碳在内的众多化学物质。
When a forest goes ablaze, it dischargeshundreds of chemical compounds, including carbon monoxide.
上面的译文便犯了定义过宽的错误。 试译:腐蚀是金属(如低碳钢)返回其天然状态(如氧化铁即铁锈)的电化学过程。
Corrosion is an electro-chemical process by which a metal such as mild steel ,returns to its natural state ,state ,such as iron oxide or rust.
教授布拉·奇利:除了使用氯,那里也有过氧化物的化学品,这就是他们通常添加的。
Prof. BLATCHLEY: So there are peroxide chemicals that are used in addition to chlorine, and that's usually how they're added.
燃料电池是一种利用某种燃料(举例:氢)和氧化剂通过电化学过程产生电能的装置。
A fuel cell is a device that uses a source of fuel, such as hydrogen, and an oxidant to create electricity from an electrochemical process.
该团队认为,不必把氮氧化物清除掉,而是利用它作为催化剂,促进化学反应的进程。
Instead of getting rid of the NOx the team believe they can use it as a catalyst to help power the reaction.
这种化学物质通过氧化细胞里的重要部分,包括你的DNA,来破坏的你健康。
The chemical causes its damage by oxidizing important parts of cells, including your DNA.
在最后一个步骤中,水经过氯、过氧化氢和其它化学品消毒,并且经过紫外线灯消毒。
During the final stage, the water is disinfected - by the addition of chlorine, hydrogen peroxide and other chemicals and by running it past ultraviolet lights.
术语“氧化还原” 来自两种不同电解质之间的电化学电势。
The term “redox” refers to the electrochemical potential between two different electrolytes.
二氧化铅的电负性其实比古典化学理论认为的要更强。
That makes lead dioxide much more electronegative than classical theory would predict.
从火山上散发的二氧化碳从化学角度上从岩石上解封,并且不再循环。
The carbon dioxide from volcanoes was chemically locked away in the rocks and never recycled.
从火山上散发的二氧化碳从化学角度上从岩石上解封,并且不再循环。
The carbon dioxide from volcanoes was chemically locked away in the rocks and never recycled.
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