Experiments and numerical simulation are carried out to recognize the exact flow and combustion characteristics in a two-stage oil-less ignition system.
为掌握煤粉无油二级直接点火燃烧器内部流动、燃烧特征，进行了试验和数值模拟。
Making the switch to corn ethanol will help the American economy because it will make the United States less dependent on foreign oil.
转向玉米乙醇将有助于美国经济，因为它将使美国减少对外国石油的依赖。
烹饪时用油更少。
People should, ideally, be persuaded to eat a diet with much less fat or oil.
理想的做法是应该说服人们吃更低脂肪或更低油脂的食品。
In January of last year the Moviemania chain of movie theaters started propping its popcorn in canola oil, instead of the less healthful coconut oil that it had been using until then.
去年1月，Moviemania连锁影院开始用菜籽油代替之前一直使用的不太健康的椰子油来制作爆米花。
Both oil and gas are less dense than water, so they generally tend to rise upward through water-saturated rock and sediment.
石油和天然气的密度都比水小，所以二者通常会浮在被水浸泡的岩石和沉积物的表层。
When people began to realise that there was not enough oil on the earth, they asked car makers to produce more efficient and less polluting cars.
当人们开始意识到地球上没有足够的石油时，他们要求汽车制造商生产能效更高、污染更少的汽车。
Non conflagate and less insitation, it is an ideal substitute for gasoline and diesel oil using for cleaning.
它不挥发且低刺激，是汽油和柴油理想的清洁替代品。
Both natural gas and biogas create emissions when burned, but far less than coal and oil do.
天然气和沼气燃烧时，都会产生二氧化碳，但是要比煤和石油少得多。
In recent weeks it has become clear that Europe and Japan are faring even worse than America, and so are likely to consume less oil, steel, cocoa and the like.
最近几个星期形势变得更清晰，欧洲和日本的情况比美国更糟，同样糟的还有那些可能会减少石油、钢铁、可可粉等商品消费的国家。
Dearer oil is pushing the dollar down, they claim, because oil exporters import more from Europe than America and hold less of their oil revenues in dollars.
他们认为珍贵的石油正在使美元贬值，因为石油出口国从欧洲进口商品的数量要多于美国，从而获得的美元石油收入较少。
If more money is spent on oil, then less money will be available to spend on other goods.
如果花费在石油上的钱越多，那么能花在其他商品上的钱就会越少。
So other countries wound up consuming less oil.
所以其它国家在减少石油的消耗。
Saudi Arabia, for one, has been selling less oil of late.
而沙特阿拉伯最近便减少了石油的售卖。
By then, America, Japan and Europe will be using less oil than in 1980.
届时，美国，日本和欧洲石油消耗量将会低于1980年的水平。
More dry holes mean spending more money to find less oil.
枯井越多，就意味着钻探费用越高，而找到的石油也越少。
Both papers help tell us why oil shocks hurt much less than they used to.
两份论文都帮助我们了解为什么石油震荡的伤害没有以前大。
In the meantime, the world's biggest oil producer, Saudi Arabia - which increased production in the summer - has already begun loading less oil on its tankers, according to global oil figures.
同时根据全球石油产量的数据显示，世界最大的石油输出国沙特阿拉伯也已经开始减少石油生产量。沙特在今年夏天曾增加过石油产量。
This marks another year when water gets less attention than oil, and the coming crisis becomes more severe.
今年又将是人类关注石油的一年，而忽略了水危机。今后水危机将变得更加严峻。
In the first two months of the year, China imported nearly 40% less oil from Iran than it did during the same period last year, and bought more oil from other countries.
今年头两个月，中国从伊朗的石油进口较去年同期减少接近40%，同时从其他国家购买了更多的石油。
They are also toxic, though a lot less so than oil itself.
而且它们同样有毒性，尽管与油污比起来显得微不足道。
But why has the oil bogeyman become less scary?
但是为什么这石油幽灵变得不那么可怕了呢？
In either case, NOCs produce less oil, more expensively, than they should.
而无论干涉轻重，国家石油公司的产油量都比其应产出要少，而价格却更昂贵。
Even the defective supermarket oil had become much less offensive.
即使是超市里的劣次油也变得不那么讨厌了。
For oil replacements, cheap suddenly looks less of a problem.
对于石油的替代品来说，价格突然不是什么问题了。
Both have an interest in the security of the Gulf -but also in depending less on its oil.
他们都极其关注海湾地区的安全问题，但同时也都在削减对这一地区的石油依赖度。
It now gets much less of its oil imports, only about 6%, from Sudan.
现在，中国从苏丹进口的石油大量减少，只占总量的6%。
This was reported in less than 7% of all fish oil studies.
但据报道，这个问题仅存在于少于7%的所有鱼油实验中。
This was reported in less than 7% of all fish oil studies.
但据报道，这个问题仅存在于少于7%的所有鱼油实验中。
应用推荐