研究：用排泄物生产生物燃料_科学技术

研究：用排泄物生产生物燃料

文章来源：未知文章作者：enread 发布时间：2016-03-08 06:34 字体： [大中小]　进入论坛

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While experts are developing 'greener' alternative fuel sources, a group of undergrads are creating a more natural one.

当专家们还在研发更环保的燃料时，一群在校生已经开始制作一种天然的燃料。

The team is working towards producing a biofuel that uses human and animal excretion, with the hopes of replacing harmful gasoline, diesel¹ and jet fuel that dominate the market.

By engineering Bacillus subtilis, researchers are able to break down proteins and transform the left over material into alcohol biofuels and ammonia.

The US produces over 1 billion tons of animal and human waste every year, which does nothing but sit in an aerobically² compost giving off harmful emissions³.

David Wernick, a PhD candidate who graduated from the University of California, and his colleagues 'were struck by all the waste that is literally⁴ going to waste' and realized the material may have potential as a renewable fuel source, reports the University of California.

'We're working with anything such as agricultural waste like manure⁵, municipal waste like sewage, plant matter, cellulosic matter and even carbon dioxide out of the atmosphere,' said Wernick in a video discussing the research.

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收听单词发音

1 diesel
n.柴油发动机，内燃机
参考例句：
We experimented with diesel engines to drive the pumps.我们试着用柴油机来带动水泵。 My tractor operates on diesel oil.我的那台拖拉机用柴油开动。

2 aerobically
adv.aerobic（需氧的，需气的，生存于氧气中的）的变形
参考例句：
Nitrate was aerobically reduced to nitrite. 硝酸盐去氧后转化为亚硝酸盐。来自互联网 The main thing is to pick something you can aerobically, and do it! 重要的是挑个有氧活动，并且去做！来自互联网

3 emissions
排放物( emission的名词复数 )；散发物（尤指气体）
参考例句：
Most scientists accept that climate change is linked to carbon emissions. 大多数科学家都相信气候变化与排放的含碳气体有关。 Dangerous emissions radiate from plutonium. 危险的辐射物从钚放散出来。

4 literally
adv.照字面意义，逐字地；确实
参考例句：
He translated the passage literally.他逐字逐句地翻译这段文字。 Sometimes she would not sit down till she was literally faint.有时候，她不走到真正要昏厥了，决不肯坐下来。

5 manure
n.粪，肥，肥粒；vt.施肥
参考例句：
The farmers were distributing manure over the field.农民们正在田间施肥。 The farmers used manure to keep up the fertility of their land.农夫们用粪保持其土质的肥沃。

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