Further opening the throttle valve activated the main fuel jet.
当节流阀进一步打开时，主喷口开始工作。
Annular and central swirling air jets smash the fuel jet and make it spray.
该喷嘴的喷雾是由环缝射流和中心旋转射流剪切破碎中心燃油射流而形成。
There is one major exception to the pattern. Airlines do not currently have a low-carbon alternative to jet fuel.
有一项产业是这个模式中的例外，航空公司目前还没有低碳能源替代飞机燃料的方案。
Because of this, researchers at SDSU and around the country are pushing ahead to develop third generation biofuels that could be used as direct replacements for gasoline, diesel or jet fuel.
这因为这样，圣地亚哥大学和国内周边的研究人员正在致力于开发第三代生物燃料，这种燃料能直接代替现行的汽油、柴油和喷气式发动机燃料。
Long-dated futures markets for jet fuel are highly illiquid. Much of the hedging is carried out with WTI contracts but the actual fuel is mainly refined from pricier oils.
由于针对喷气燃料的远期期货市场流动性不佳，绝大多数的套期保值交易都是以西德克·萨斯轻质原油期货合约为交易标的的。
Initially, algae oil will comprise only about half the mixture used for jet fuel.
最开始，藻类燃油将只占喷气燃料混合物的一半。
Much research has been driven by efforts to save jet fuel. Having more than doubled in price in recent years, it now accounts for about half of airlines' operating costs.
为节省飞机燃油人们已做了大量研究，油价近年来增长近两倍多，如今它几乎占了航空运营成本的一半。
A second process, called thermochemical pyrolysis, USES high temperatures and pressures to convert cellulosic biomass into long hydrocarbon chains that are similar to gas, diesel or jet fuel.
第二种方法也被称作“反应炉裂解法”：利用高温和压力将纤维素生物质转换成长烃链，这种长烃链和汽油、柴油、喷气式发动机燃料相类似。
Kerosene, with around 10 to 18 carbons per molecule, is now largely used to make jet fuel.
煤油每个分子约由10到18个碳组成，现主要用于飞机燃料。
"Instead of producing one product, a cluster of facilities could produce ethanol, green gasoline or diesel, jet fuel, and industrial chemicals such as isoprene," he explains.
他解释道：“不只是生产单一产品，相反的，一套设施能够生产乙醇、有机汽油或者有机柴油、喷气式发动机燃料和类似异戊二烯的化工原料。”
We have proved that our engines don’t care what they use, performance on biofuel is just as good as performance on fossil-based jet fuel.
我们已然证明了，发动机并不在意它们所使用的是什么，生物混合燃料与化石燃料的性能效果完全一样。
It runs on premium unleaded gasoline, which is both cheaper and more environmentally friendly than jet fuel.
它以优质无铅汽油燃料，不仅比飞机燃料更便宜，也更环保。
There was debris in the water and a film of jet fuel coating the surface.
水中漂浮着一些残骸，水上还覆盖着一层燃料的薄膜。
Hydrogen and carbon monoxide can then be blended into syngas, a replacement for current hydrocarbon-based combustibles like gasoline, diesel and jet fuel.
氢气和一氧化碳混合能够合成一种混合气体，可以用来替代当前普遍使用的烃基燃料，比如汽油、柴油以及喷气机燃油等。
Project Goals: Develop a combined microbial and electrochemical catalytic system that converts hydrogen and carbon dioxide into butanol, and find a chemical method to convert butanol into jet fuel.
项目目标：将微生物与电化学催化系统结合起来，利用氢气和二氧化碳生产丁醇，再利用化学方法将丁醇转化为航空燃料。
Krantz hangs up before he can say any more and tells his number two, Ralph, to fuel up the jet for a trip to Miami.
“将军”在西奥多继续他不愿听的话之前挂断了电话，告诉他的副官，拉尔夫，准备一架飞机，他要去迈阿密。
Small white pieces of debris, material that could be metallic and signs of oil and kerosene, which is used as jet fuel, were also seen.
可以看到小块白色碎片、金属材料，还有被用作飞机燃料的石油和煤油。
Biofuel has been thought to degrade jet fuel, although industry studies now dispute that.
人们认为生物燃料会降低飞机燃料的等级，但是工业研究目前对此存在争议。
In Ms Holt's case, her condition was not diagnosed until she had reached "a psychotic state", triggered by an anti-depressant that, she says, turned out to be like "jet fuel".
霍特女士的情形是，直到某种作用据说类似“航空燃油”的抗抑郁药导致她达到“精神病状态”，她的病情才得到确诊。
And federal regulations prohibit its transport through most existing pipelines for fear it will mix with jet fuel.
美国联邦监管机构禁止通过现有大部分管道运输这种燃油，担心会与喷气式飞机用航空燃料混杂一起。
That oil can then be modified by a proprietary UOP Honeywell process that makes it suitable for blending in jet fuel.
榨出的油使用UOP霍尼韦尔的专利工艺进行精炼，使之可以添加入喷气发动机油。
It can also be turned into jet fuel, and it can be used as a raw material for the manufacture of plastics and many other chemicals normally derived from petroleum.
异丁醇能转化为航空燃料，也可以作为原料来制造塑料或其他通常由石油提炼的化工产品。
That plant will use the fat from Tyson’s beef, chicken and pork operations to create 75 million gallons of biodiesel and jet fuel annually.
该工厂利用的原料就是泰森的牛油、鸡油和猪油，每年可生产7500万加仑生物柴油及航空燃油。
Compared with a rowdy 1960s jet, a modern turbofan is some 80% quieter and burns as little as half as much fuel—thus producing fewer greenhouse gases.
相较上世纪六十年代声音巨大的喷气式飞机一台现代的涡扇发动机噪音水平降低了80%油耗也下降了一半同时温室气体排放量也有所下降。
The airlines were hurt by rising jet fuel prices that went up as crude oil shot to record levels, then at least two of them got burned as oil fell and they lost money on hedging programs.
一度创纪录的原油价格导致燃油价格居高不下，对这些航空公司造成了损害；而随着近期油价下跌，三家公司中至少有两家又因为燃油套期保值交易而遭受了损失。
The airlines were hurt by rising jet fuel prices that went up as crude oil shot to record levels, then at least two of them got burned as oil fell and they lost money on hedging programs.
一度创纪录的原油价格导致燃油价格居高不下，对这些航空公司造成了损害；而随着近期油价下跌，三家公司中至少有两家又因为燃油套期保值交易而遭受了损失。
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