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。
When heated in oxygen, coal reacts to form carbon dioxide and hydrogen.
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。
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.
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；
Project Goals: Develop genetically modified bacteria that use carbon dioxide, oxygen and hydrogen to produce butanol.
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.
虽然燃料电池和电动汽车本身不会释放二氧化碳，但使用化石燃料生产氢气或电能依旧会产生二氧化碳。
While fuel cell or electric vehicles emit no carbon dioxide themselves, CO2 is produced when hydrogen or electricity is produced from fossil fuels.
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。
Official Name: Novel Biological Conversion of Hydrogen and Carbon Dioxide Directly into biodiesel.
利用二氧化碳、氧气和氢气合成丁醇：3,977,349美元。
349 to extract butanol from carbon dioxide, oxygen and hydrogen.
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.
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。
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.
屁的成分：氮气、氧气、二氧化碳、氢气和甲烷。
Farts are composed of: nitrogen, oxygen, carbon dioxide, hydrogen, and methane.
氨气和硫化氢气都是有害气体，而且比二氧化碳的危害更大，特别是氨气在空气中的含量要限制在百万分之十五以下。
Ammonia gas and hydrogen sulfide is harmful gas, and more harmful than carbon dioxide, especially ammonia in the air to limit the content below fifteen over one million.
主要成分是甲烷，二氧化碳，氢气，氮气和氧气的混合气体，这些成分的含量一般用所占填埋气的体积比来表示。
The bulk fraction is a mixture of methane, carbon dioxide, hydrogen, nitrogen and oxygen. These are measured in terms of percentage by volume.
还兼营液氧、液氮、液氩、乙炔气、二氧化碳、氢气、丙烷气、氟里昂、液氨及其他高纯和稀有气体。
It also supplies liquid oxygen, liquid nitrogen, acetylene, carbon dioxide, hydrogen, propane, freon, liquid ammonia, and rare element gas.
氢气可以使金属材料产生氢损伤，二氧化碳水溶液可引起设备产生全面腐蚀和点蚀。
Hydrogen can cause hydrogen attack to the steel material while co 2 can lead to the corrosion and spitting corrosion of the process equipment.
“萨巴蒂耶”系统利用镍催化剂使氢气和二氧化碳在加温加压环境下发生化学反应，生成水和甲烷。
The Sabatier process USES a nickel catalyst to interact with hydrogen and carbon dioxide at elevated temperatures and pressures to produce water and methane.
热气体燃烧的热解反应的区域与木炭转换二氧化碳和水蒸汽变成一氧化碳和氢气。
Hot combustion gases from the pyrolysis region react with the charcoal to convert the carbon dioxide and water vapor into carbon monoxide and hydrogen.
热气体燃烧的热解反应的区域与木炭转换二氧化碳和水蒸汽变成一氧化碳和氢气。
Hot combustion gases from the pyrolysis region react with the charcoal to convert the carbon dioxide and water vapor into carbon monoxide and hydrogen.
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