Corn-based ethanol is neither cheap nor especially green: it requires a lot of energy to produce.
用玉米制造乙醇既不便宜，也并非特别环保：需要耗费很多能量生产。
His roots in a corn-growing state have dismayed opponents of America’s corn-based ethanol subsidies.
他与玉米生产大州的渊源已引发了反对美国补贴玉米乙醇者们的担忧。
Furthermore, the case about the impact assessment of cassava-based ethanol and gasoline has been analyzed.
以木薯燃料乙醇和汽油为案例，进行了案例分析。
Corn plantings in America are expected to be at record levels this spring, due to the growing demand for corn-based ethanol biofuel.
由于对谷基乙醇生物燃料的需求不断增长，美国的谷物种植有望在今春达到最高水平。
The drawbacks of corn-based ethanol would make any extension or increase in support to the U.S. farm industry politically contentious, though.
玉米造乙醇的退税政策不但会扩大和增强美国农场业而且是美国支持农场业的政策的延续。
Most energy experts reckon that using maize-based ethanol as a substitute for petrol can reduce America's demand for petrol by 10-15% at best.
能源专家大多估计用玉蜀黍类乙醇替代汽油最多能抵美国汽油需求量的15%。
U.S. efforts to promote corn-based ethanol, and giant German subsidies for the solar industry, for instance, are incredibly counter-productive.
例如，美国尽力推广的基于玉米的乙醇和德国对太阳能工业的巨大资助，往往都会取得事与愿违的效果。
One requirement we have for biofuels is that they cannot take any land out of food production, so we can't go down the road of corn-based ethanol.
我们对生物燃料的一个要求是，它们不可以对食品产量造成任何影响，因此我们不可以走玉米酿造酒精之路。
An optimization model on life cycle net energy cost related to renewability of cassava-based ethanol blended gasoline fuels was given in this paper.
建立了木薯-汽油混合燃料考虑可再生性的生命周期净能源成本优化模型，并对木薯乙醇-汽油混合燃料考虑可再生性的生命周期净能源成本指标进行了优化。
Yet just when it seems poised to reduce the world's dependence on oil, its largely sugar-based ethanol industry stands accused of being less wonderful than it looks.
然而，正当巴西去着手降低全球对原油的依赖时，其主要以取材于甘蔗的乙醇工业却受到谴责——它看起来并不是表面那样完美。
Energy efficiency (net energy gain or energy ratio) of corn-based ethanol as a substitute for fossil fuel is an important criteria for assessing its sustainability.
玉米燃料乙醇作为化石燃料的替代品，能量效率(净能量或能量比)是评价其可持续性的一个重要标准。
Meat producers now have to pay more for soybeans because there is less available for animal feed. This is how corn-based ethanol affects the price of meat products.
肉类生产业主现在必须采购高价大豆，因为动物饲料供应不足，这是由于玉米乙醇影响到肉类产品的价格。
Though it requires a more complex refining process, cellulosic ethanol requires less fossil fuels for production and results in lower greenhouse emissions than traditional corn-based ethanol.
虽然它需要一种更为复杂的提炼过程，纤维乙醇的生产需要更少的化石燃料，而且相比传统的基于玉米的乙醇生产，它的温室气体排放量更少。
When production of ethanol fuel is not sufficient for the demand, ethanol can be imported from Brazil (the world's top producer of sugar based ethanol fuel), has used ethanol blends since 1939.
当乙醇燃料供不应求时，乙醇可以从巴西(世界上顶尖糖类乙醇生产商，从1939年就开始使用乙醇混合物)进口。
Higher transportation expenses, along with growing demand for agricultural exports from the United States and increasing need for corn-based ethanol for gas supplies, has sent commodity costs soaring.
运输费用的上涨，伴随对美国农产品出口的需求日益增长，以及对作为汽油补充的玉米制成的乙醇的需要增加，使得货物价格扶摇而上。
In fact, most biofuels are still based on ethanol.
事实上，大多数生物燃料仍然以乙醇为基础。
BioJoule, a start-up based in Auckland, New Zealand, is planning to build a pilot plant to produce ethanol from a type of willow.
位于新西兰奥克兰市的一家新起步的公司BioJoule目前正计划建造一座实验化工厂，从一种柳树中生产乙醇。
Using sugar cane, Brazil produces far more ethanol per hectare, with fewer emissions, than the United States does with its corn-based equivalent.
利用甘蔗，巴西每公顷的酒精产量要远远超过美国同等面积的玉米酒精产量，而排放物则减少。
Based on the economic estimates presented in this paper, it appears that cassava can be a competitive feedstock for ethanol production.
文中的经济分析和新技术的介绍表明，木薯是一种非常有竞争力的生物乙醇生产原料。
Texas-based White Energy operates an ethanol plant that produces 50m gallons of ethanol a year.
总部设在堪萨斯的怀特能源经营一座年产5000万加仑（约合15万吨）乙醇的乙醇工厂。
They are looking for the newest and most efficient ways to convert grain-based feedstock to ethanol.
他们在寻找最新、最有效率的方法把基于谷物的给料转化成乙醇。
According to the detailed chemical kinetic mechanism of ethanol, a HCCI combustion model was created based on of zero dimension model.
根据乙醇氧化反应的化学反应动力学的机理，在零维模型基础上建立了HCCI燃烧模型。
In this paper, Based on the vapor-liquid equilibrium, the calculation method of gas stripping ethanol fermentation by the stripping efficiency was proposed.
基于气液平衡，提出以气提效率来计算乙醇气提发酵过程的计算方法。
In this paper, Based on the vapor-liquid equilibrium, the calculation method of gas stripping ethanol fermentation by the stripping efficiency was proposed.
基于气液平衡，提出以气提效率来计算乙醇气提发酵过程的计算方法。
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