When heated in oxygen, coal reacts to form carbon dioxide and hydrogen.
当煤炭在氧气中加热时经化学反应会形成二氧化碳和氢气。
US experts have found out how to extract carbon dioxide and hydrogen gas from seawater.
美国专家找到了从海水中提取二氧化碳和氢的办法。
Methane-producing archaea (methanogens) are a type of chemolithotroph that can use carbon dioxide and hydrogen to make methane without ever seeing the sun.
产甲烷古菌（methanogens）是一种化能自养生物，它能利用二氧化碳和氢合成甲烷，而不需要太阳参与。
In it, electrodes generate chemical reactions that cleanse the bowl and turn organic waste into carbon dioxide and hydrogen that can be stored in a fuel cell for use at night.
在系统里，电极产生化学反应，清洁厕盆并将有机废物转化成二氧化碳和氢，储存在燃料电池里，供马桶夜间使用。
Small Density too big when, not only indoor carbon dioxide and hydrogen sulphide ammonia, the harmful gas such as increased, the temperature increases, the air cushion wet grass.
密度过大时，不仅室内二氧化碳及氨气、硫化氢等有害气体增加，空气温度增高，垫草潮湿。
The majority of people who die in fires don’t die from burns, but rather they suffocate due to the lack of oxygen and inhale toxic gases such as carbon monoxide, carbon dioxide and hydrogen cyanide.
火灾中大部分人不是被烧死的，而是因缺少氧气窒息而死或是吸入如一氧化碳、二氧化碳、氯化氢等有毒气体而被毒死的。
The majority of people who die in fires don't die from burns, but rather they suffocate due to the lack of oxygen and inhale toxic gases such as carbon monoxide, carbon dioxide and hydrogen cyanide.
火灾中大部分人不是被烧死的，而是因缺少氧气窒息而死或是吸入如一氧化碳、二氧化碳、氯化氢等有毒气体而被毒死的。
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.
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。
They have these special organs that collect the hydrogen sulfide and carbon dioxide and then transfer it to another organ, where billions of bacteria live.
他们有这些特殊的器官来收集硫化氢和二氧化碳，然后把它们转移到另一个器官，那里有数十亿的细菌。
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.
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。
Official Name: Novel Biological Conversion of Hydrogen and Carbon Dioxide Directly into biodiesel.
项目名称：将氢气和二氧化碳直接转化为生物柴油的新型生物转化法。
Better still, the coal can be reacted with water to produce a mixture of CO2 and hydrogen in which the carbon dioxide is much more concentrated than in normal flue gas, so it is easier to scrub out.
更好的方法是使煤和水发生反应，产生一种二氧化碳和氢气的混合物。在这种混合物中二氧化碳含量比一般电厂废气中的更高，所以更容易分离。
When you burn a hydrocarbon fuel such as oil, its hydrogen and carbon atoms combine with oxygen from the atmosphere to create water and carbon dioxide.
当你在烧氢类燃料(如石油)时，燃料中的氢原子和碳原子与空气中的氧结合反应，生成了二氧化碳和水。
Project Goals: Develop genetically modified bacteria that use carbon dioxide, oxygen and hydrogen to produce butanol.
项目目标：开发利用二氧化碳、氧气和氢气合成丁醇的基因工程菌；
If as in the prototype, water and/or carbon dioxide are pumped into the vessel, the ceria will rapidly strip the oxygen from them as it cools, creating hydrogen and/or carbon monoxide.
如果以原型中的工作来讲，二氧化碳或者水被注入到容腔中，随着它被降温的过程中二氧化铈会迅速地夺取他们中的氧，从而制造出氢气或者一氧化碳。
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.
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。
Life generates methane, ammonia, oxygen, hydrogen, carbon dioxide, and many other gases.
生命生产出甲烷、氨气、氧气、氢气、二氧化碳以及其他气体。
Using sunlight to ship electrons, they split water molecules and combine the resulting hydrogen with carbon dioxide extracted from the air.
在阳光的作用下，叶绿素将水分子拆分，并得到电子和氢离子，后者又与从空气中提取的二氧化碳结合到一起。
The reaction, which requires a catalyst, turns the methanol and water into protons and electrons (in other words, dissociated hydrogen atoms) and carbon dioxide.
这种反应，需要催化剂，将甲醇和水变成质子和电子（换句话说，就是游离的氢原子）以及二氧化碳。
Some of this carbon dioxide is absorbed by ocean water, altering the proportion of hydrogen and carbonate ions, and making the water more acidic.
一些二氧化碳会被海水吸收，改变海水中氢和碳酸盐离子的比例，使得海水酸化。
FutureGen would be a near zero-emissions plant that converted coal into hydrogen, to power electric turbines, and carbon dioxide, to be pumped underground.
“未来发电”计划将实现建设接近零排放的电厂，在这里将煤转化为氢，再转换到涡轮发电并且产生二氧化碳，将二氧化碳封存在地下。
The mice’s consumption of oxygen and production of carbon dioxide dropped ten minutes after they began inhaling hydrogen sulphide and remained extremely low as long as the gas was administered.
在吸入硫化氢气体10分钟后，老鼠的耗氧量和二氧化碳排出量出现下降，在硫化氢持续供应下会一直保持这种极低的状态。
Harris points out that around 95 per cent of the world's hydrogen is already sourced from natural gas, using fossil fuel reformers that react methane with steam to produce hydrogen and carbon dioxide.
Harris指出，世界上几乎95%的氢是由天然气生产的，其方法是使甲烷与水蒸气在化石燃料转换器中发生反应生成氢和二氧化碳。
349 to extract butanol from carbon dioxide, oxygen and hydrogen.
利用二氧化碳、氧气和氢气合成丁醇：3,977,349美元。
The mice's consumption of oxygen and production of carbon dioxide dropped ten minutes after they began inhaling hydrogen sulphide and remained extremely low as long as the gas was administered.
吸入硫化氢10分钟后，小白鼠的氧气吸入量和二氧化碳呼出量都降至极低，而且只要继续供给硫化氢，小白鼠的生命体征就保持在这个状态。
They may decompose glucose into hydrogen, carbon dioxide and methane.
它们能把葡萄糖分解成氢气、二氧化碳和甲烷。
They may decompose glucose into hydrogen, carbon dioxide and methane.
它们能把葡萄糖分解成氢气、二氧化碳和甲烷。
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