Heating this chemical compound drives off carbon dioxide gas, leaving calcium oxide.
这种化合物加热后会排出二氧化碳，产生氧化钙。
This drives off carbon dioxide.
这个过程会释放二氧化碳。
Some scientists believe that plants inhale oxygen at night and give off carbon dioxide.
一些科学家认为植物夜间吸入氧气而释放二氧化碳。
One of the biochemical processes of living things. It uses oxygen and gives off carbon dioxide, heat, and some water vapor.
生命体的一项生化过程。吸收氧气，产生二氧化碳、水和热量。
When heated, baking soda undergoes a chemical reaction that gives off carbon dioxide, which makes it useful in extinguishing small grease or electrical fires.
当在高温下，苏打的化学反应产生的二氧化碳气泡会消灭少量的油脂和电火苗。
Heating husks to 800 degrees centigrade (1,472 degrees Fahrenheit) in an oxygen-free furnace drives off carbon, leaving fine particles of nearly pure silica behind.
在无氧炉中将糠皮加热到800摄氏度(1472华氏度)将分离糠皮中的碳，留下几乎只含有硅的细小微粒。
Heating husks to 800 degrees centigrade (1, 472 degrees Fahrenheit) in an oxygen-free furnace drives off carbon, leaving fine particles of nearly pure silica behind.
在无氧炉中将糠皮加热到800摄氏度(1472华氏度)将分离糠皮中的碳，留下几乎只含有硅的细小微粒。
But when we work soil intensively and use chemical fertilizers, all that organic stuff breaks down quickly and gives off carbon dioxide that collects in the atmosphere.
但是，当我们不停的耕种土地并使用化学肥料，所有的有机物就迅速分解和向大气释放二氧化碳。
The result on colloid and diesel additive to wipe off carbon indicates that diesel additive, to a certain extent, has the function of reducing the formation of colloid and wiping off carbon.
胶质实验和柴油添加剂除碳能力实验的结果显示，柴油添加剂在一定程度上具有减少胶质生成和去除积碳的功效。
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.
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。
Phytoplankton live at the ocean surface, where they pull carbon dioxide into the ocean while giving off oxygen.
"浮游植物生活在海洋表面，在那里他们把二氧化碳释放到海里，同时放出氧气。
To live a low-carbon life, we must remember to turn off the lights when we leave the room.
要过低碳生活，我们离开房间的时候一定要记得关灯。
Seven years ago his father, Robert, produced a diamond in a high-pressure chamber of carbon gas and dropped it into an acid solution to clean it off.
七年前他的父亲罗伯特在一间高压碳气室中制造了一颗钻石，把它放入酸性溶液中清洗干净。
But that wasn't known until 2004, when Geim and Novoselov, both of of the University of Manchester, UK, first used sticky tape to pull tiny sheets of carbon off a piece of graphite.
但是这项发现直到2004年，英国曼彻斯特大学的杰姆和诺沃塞洛夫首次用胶带从一片石墨里拉出了极小碳原子片才得以证实。
With the carbon wing strapped to his back, Rossy had leapt out of a small plane at an altitude of 2, 500 metres over the French coast before jetting off at speeds of more than 200 kilometres per hour.
当天罗西乘一架小飞机从法国出发，当飞机飞至距海面2500米的高空时，罗西背着碳制动力机翼一跃而下，并以每小时200多公里的速度飞行。
In this case the fatty acids would have 18-30 carbon atoms, and the final stage of the synthetic pathway would clip off the oxygen atoms to create pure hydrocarbons.
但是LS9公司也计划制造一种被称作“生物原油”的东西，其中的脂肪酸将含有18 - 30个碳原子，而在合成过程的最好阶段将剔除氧原子，从而得到纯碳氢化合物。
At night, when demand is lower, these power stations can be switched off, which means that each unit of electricity has a lower carbon footprint.
到了晚上，需求降低，这些发电站就会关闭。这意味着产生每单位电能所带来的碳足迹降低了。
Replacing the steel in a car with carbon fiber would shave hundreds of pounds off its weight.
因为用碳纤维代替钢铁制造汽车将大大减轻车身的整体重量。
Because they were so sensitive to deadly gases such as methane and carbon monoxide, a canary dropping off its perch was a highly visible signal to the miners that it was time to leave.
因为它们对于甲烷和一氧化碳等致命毒气非常敏感，从栖木上掉下来的金丝雀是一个明显的信号，告诉矿工是时候离开了。
We have carbon 12. I will even leave off the 6 because we already know it is carbon.
我们有碳12，我们将6省去6，因为我们已经知道它是碳了。
To calm the fears of the fossil-fuel industry, Waxman reduced the amount of carbon allowances that would be auctioned off to companies, and would give more of them away for free.
要安抚受到惊吓的矿物燃料行业，维克斯曼削减了本应拍卖给这些公司的碳排放限额，而是免费颁发其中的大部分限额。
Somebody who wants to reduce his "carbon footprint" can bicycle to work, never buy aerosols and turn off his air-conditioner-and still blow away all this virtue on a couple of long flights.
那些想减轻自己“碳印记”的人可能选择骑车上班、不再购买喷雾剂并合上空调的开关，但这些情操经过几次长途的飞机旅行就会被刮得无影无踪。
It will only take a few simple changes to take a substantial slice off your carbon footprint.
你只需做一些简单的改变，就能大幅减少你的二氧化碳排放量。
Isotopes of carbon in tree rings and beryllium in ice cores show a drop-off in solar radiation during much of the period.
树木年轮的碳同位素和冰核中钚同位素的检测都显示出在上述阶段的大多数时间内太阳辐射能量出现下降。
We have one organism that lives off of carbon monoxide, and we use as a reducing power to split water to produce hydrogen and oxygen.
有种依赖一氧化碳生存的生物，我们利用其还原能力使水分子破裂，制造出氢和氧。
Mr Obama wants to auction off, rather than give away, permits to emit carbon dioxide.
奥巴马想对二氧化碳的排放许可进行拍卖，而不是采取分发的方式。
The Nobel Prize winning group of scientists says carbon and other heat-trapping greenhouse gas emissions must stabilize by 2015 and then decline to head off the worst consequences from climate change.
诺贝尔奖获得者组成的科学专家组称，2015年之前，必须稳定控制碳化物等导致气温上升的温室气体排放，从而才能防止气候变化带来最糟的结果。
The Nobel Prize winning group of scientists says carbon and other heat-trapping greenhouse gas emissions must stabilize by 2015 and then decline to head off the worst consequences from climate change.
诺贝尔奖获得者组成的科学专家组称，2015年之前，必须稳定控制碳化物等导致气温上升的温室气体排放，从而才能防止气候变化带来最糟的结果。
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