The invention discloses a method for preparing low-carbon olefin by hydrocarbon catalytic pyrolysis combined with a hydrogen burning technology.
本发明公开了一种结合氢燃烧技术的烃类催化裂解制取低碳烯烃的方法。
Also sum up the manufacturing methods of magnesium based hydrogen storage materials, containing melting method, diffusing method, mechanical alloy method, composing by hydrogen burning metho...
总结了目前制备镁基储氢材料所用的主要方法,例如熔炼法、扩散法、机械合金化法、氢化燃烧合成法等。
They calculated that they could be almost twice as common as "main-sequence stars" - such as our own Sun - which are still burning through their hydrogen fuel stock.
他们计算出这种星体的数量是我们“主星序星体”的两倍。我们的太阳就属于“主星序星体”,现在仍然通过燃烧氢燃料发光。
After that it is expected to become a red giant, as the hydrogen that presently comprises it is exhausted and the sun switches to burning helium instead.
之后,据推测太阳会成变成一颗红巨星,因为到那时候现在构成太阳的氢气燃烧殆尽,太阳转而燃烧氦气。
Red giants exist for only a short time—perhaps just a billion years compared with the ten billion the same star may already have spent burning hydrogen like our own sun.
红巨星只在短期内存在——可能只有十亿年,相比起来,像太阳这样的恒星将在百亿年中持续燃烧它们的氢。
As the star condenses and compacts it heats up even further, burning the last of its hydrogen and causing the star's outer layers to expand outward.
恒星聚缩时甚至继续升温,这个过程燃尽了残存的氢,并导致恒星外层向外膨胀。
Mark Hempsell, future programs director at Reaction Engines Ltd, told CNN: 'The engine starts by burning hydrogen with air and finishes up burning hydrogen with liquid oxygen like a shuttle engine.'
ReactionEnginesLtd的未来计划总监马克·汉普塞尔向CNN透露,天龙的引擎在开始时将氢与空气混合燃烧,然后会像航天飞机一样,将氢与液氧混合燃烧。
So the team has developed a catalyst it says could be placed in the combustion chamber of a methane-burning power plant which would allow it to produce hydrogen with little modification.
所以这个团队开发了一种催化剂,这种催化剂可以放置在烯甲烷电站的燃烧室里,同时电站可以生产大量氢而不需要很多的改造。
These huge stars live fast and die young, burning through their hydrogen fuel quickly and ultimately ending their lives in supernova explosions.
这些庞大的星体诞生的快,死的也早,通过氢气的快速燃烧,最终引起超级的大爆炸来结束它们的生命。
Ever since, fuel cells burning hydrogen or other fuels such as methanol have been touted as clean, quiet and green power sources.
自此自后,使用氢氧或其他像甲醇等燃料的燃料电池就被冠以清洁,安静绿色能源的名号而被大力追捧。
It's said that this combination of gasoline vapors and hydrogen enhances the burning process and gives you more power while at the same time saves fuel and precious money.
据说,这种蒸气结合汽油和氢气提高燃烧过程,为您提供更多的权力,而在同一时间可以节省燃料和珍贵的钱。
A temperature distortion generator burning hydrogen in front of engine inlet produces thermal disturbance.
热扰动是由安装在发动机进口前的氢燃烧温度畸变发生器产生的。
The effect of hydrogen on methane combustion and ignition temperature, burning rate and burnout time are discussed through analyzing the calculated results.
通过分析计算,讨论了氢气对甲烷燃烧过程及着火温度、燃烧速率、燃尽时间的影响。
The energy of the Sun arises not from any burning process but from nuclear fusion, the transformation of hydrogen into helium, in part by a complicated process involving carbon and nitrogen.
大阳的能量不是来自燃烧过程,而是来自由氢到氦的核聚变,是部分由一个涉及碳和氮的复杂过程引起的。
To get pure hydrogen from water or natural gas, you have to use a purification process that requires lots of energy that's obtained by burning coal or oil.
如果要从水或者天然气中获取纯氢,那么你就必须警醒能量消耗巨大的提纯。这种提纯过程所使用的能量则是来自于燃烧煤或者石油。
They both involve heating, rather than burning, waste until it breaks down into a flammable mixture of carbon monoxide and hydrogen, called syngas, and residual char, ash or slag.
通过高温加热垃圾(不使其燃烧),直到其分解生成可燃合成气(一氧化碳与氢的混合物)。残余物是些焦油和灰渣。
When hydrogen ions accumulate, it becomes difficult for the muscles to contract. That makes running feel more strenuous, and causes that distinct burning sensation we feel after a challenging workout.
当氢离子堆积时,肌肉收缩越来越困难,跑步越来越艰苦,在艰苦的训练之后,有一种难以承受的感觉。
The combustion of hydrogen in coke under regeneration is also discussed and its relative burning rate is reckoned.
讨论了在催化裂化再生器中焦中氢元素的燃烧,并推算出其相对燃烧速度。
Therefore, to sustain a flame at a nozzle attached to a hydrogen generator the burning velocity of the hydrogen gas must be reduced.
因此,要保持氢气的火焰在燃烧喷嘴连接到一个氢发生器的速度必须降低。
Because of the hydrogen gas unusually high burning velocity, hydrogen gas has been ruled out, by these prior investigators as a substitute fuel.
由于氢气燃烧速度非常高,氢气已被排除的速度,满足如此高的这些事先调查作为替代燃料。
The best way to create hydrogen is to burn natural gas. Burning the hydrogen would then lower emissions, as hydrogen reacts with oxygen to produce water.
产生氢最好的办法是燃烧天然气,此外,燃烧氢会减少排出物,因为氢和氧反应产生水。
Because the burning process of peanut drying with carbon dioxide, vanillin, ammonia, hydrogen sulfide and volatile out of some other aldehydes, constitute a special aroma of peanut kernels.
因为花生烘烧过程中有二氧化碳、香草醛、氨、硫化氢以及一些其它醛类挥发出来,构成花生果仁特殊的香气。
The invention relates to a metering device (1) for liquid fuels, in particular for introduction into a chemical reformer for producing hydrogen or into an after-burning apparatus for generating heat.
本发明涉及用于液态燃料的计量装置(1),尤其是用于将液态燃料引入一用于获得氢的化学转化器中或一用于产生热的再燃烧装置中。
Temperature programmed coke-burning shows that the coke contains hydrogen.
失活的催化剂程序升温烧焦表明催化剂上的积炭中含有氢。
Clean-burning pure hydrogen may be the fuel of the future, but there are 200 million cars on U. S. roads using gasoline today, conveniently available at the corner station.
纯氢可能是未来燃料,但就目前而言,美国共有2亿辆汽车使用的是在路边加油站就能买到的汽油。
Clean-burning pure hydrogen may be the fuel of the future, but there are 200 million cars on U. S. roads using gasoline today, conveniently available at the corner station.
纯氢可能是未来燃料,但就目前而言,美国共有2亿辆汽车使用的是在路边加油站就能买到的汽油。
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