生物燃料需要他们自己的环境和经济混乱的特种。
Biofuels entail their own special kind of environmental and economic disruption.
燃烧化石燃料需要我们付出代价，这样的代价也许是难以承受的。
Burning fossil fuels has a cost - perhaps an unbearable one.
为满足CFB锅炉的物料平衡要求，低灰份燃料需要添加一定粒径分布的可循环物料。
For meeting stuff balancing requirements of CFB boilers, circulatable material of a certain size-range has to be added to fuels of low ash content.
随着这一技术达到商品化水平，精炼这些生物燃料需要到农村，并且为美国人提供很好的工作。
And as this technology reaches commercialization levels, refineries producing these biofuels will need to dot the countryside, providing good paying jobs for Americans.
按照协议，燃料需要在法国和俄罗斯进一步提炼，然后运回伊朗，用于医疗用途，例如治疗癌症。
Under the deal, the fuel would be refined further in France and Russia and then returned to Iran for medical purposes such as cancer treatment.
贝兹说：“你可以在30年之内让一棵树成材。而石化燃料需要2亿到3亿年的时间才能形成。”
"You can grow a tree in 30 years, versus your fossil fuel which takes two-or-three hundred, million years to form the carbon fuel," says Bates.
如同图六所显示的，将阳光转换为生物燃料需要三个步骤，使用不同的方法可能跳过其中的一些步骤。
As chart 6 shows, turning sunlight into biofuel involves three steps, though different methods may miss out some of these steps.
Misra博士说生产1升的生物燃料需要5 - 7公斤的咖啡残渣，视不同咖啡的含油量不同而有差别。
Dr Misra says that 1 litre of biodiesel requires 5-7 kg of coffee grounds, depending on the oil content of the coffee used.
统计过使用不同燃料需要付出之健康代价后，有科学家指出，某些生物燃料引起的健康问题更甚于汽油和柴油。
Some biofuels cause more health problems than petrol and diesel, according to scientists who have calculated the health costs associated with different types of fuel.
燃料组件会被放置入，反应堆，还有核心会被运作大约一年，到18个月，在它再次燃烧，新的燃料需要加进去。
And then the fuel assemblies are placed into the reactor and the core is operated for about a year to eighteen months before it has to be re-fuelled and fresh fuel has to be put in.
作为老牌航空公司，他们意识到，飞船在两次飞行间重新装载燃料需要更多的时间，也就是说相比运输机，飞船的需求量会更大。
The spaceships will take longer to refuel for their next flight than the carrier aircraft do, so-thinking just as an airline would-the firm has concluded it needs more spaceships than carriers.
肌肉细胞需要很多“燃料”，并因此燃烧大量卡路里。
Muscle cells need lots of fuel and therefore burn lots of calories.
为了燃烧，野火需要合适的条件，燃料，氧气和热量。
To bum, wildfires require the right conditions, fuel, oxygen and heat.
他们从未提及农场和工厂生产食物所需要的燃料，以及所释放的二氧化碳。
They never refer to the fuel that farms and factories require to produce the food, and the carbon dioxide that releases.
因此，使用替代燃料和提高能源效率既是生态需要，也是技术挑战。
Using alternative fuels and improving energy efficiency is thus both an ecological necessity and a technological challenge.
吉本斯解释：“这就像一个不需要淀粉或者纤维素就能生产出生物燃料分子的小型工厂。”
"They are like little factories that spit out biofuel molecules without the need for starch or cellulose, " explains Gibbons.
我们已经阅读了足够多的背景资料，但我认为我们需要组织好我们在演讲期间将要谈论的关于生物燃料的内容，以及顺序。
We've done enough background reading, but I think we need to organise exactly what we're going to say about biofuels during the presentation, and the order.
它们需要更多的燃料，这造成了更多的空气污染。
消费者需要在食品和燃料上花更多钱。
但是，就像任一反应堆，太阳需要燃料来保持运作。
大脑像身体其他部分一样也需要燃料。
他的公司将提供酶和生产完全替代型燃料所需要的基因工程菌。
He will provide the enzymes and genetically engineered bacteria needed to make a drop-in fuel.
劳森勋爵的全球变暖政策基金会宣布气候变化是急迫的威胁、化石燃料公司需要严格的监管？
Can you picture Lord Lawson's Global Warming Policy Foundation announcing that climate change is an urgent threat and fossil fuel companies need stricter regulation?
通常，航天飞船需要三天到达月球，但到达后却需要更多燃料来减缓着陆的速度。
Typically, spacecraft take three days to reach the moon, but need more fuel to slow down once they get there.
在此期间，美国人的交通仍然需要液体燃料。
In the meantime, Americans still need liquid transportation fuels.
他指出，生产必需的水蒸气需要燃烧燃料。
Fuel must be burned to generate the steam needed, he points out.
我们永远都不可能让化石燃料贵到没人需要的地步。
We will never succeed in making fossil fuels so expensive that no one wants them.
我们永远都不可能让化石燃料贵到没人需要的地步。
We will never succeed in making fossil fuels so expensive that no one wants them.
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