The explosive mixture in a rocket consists of both a fuel and a supply of oxygen.
火箭中的爆炸性混合物包括燃料和氧气供应。
So we are burning up an enormous amount of fuel at every launch just to get the rocket up to what's known as escape velocity.
所以每一次发射我们都要耗费大量的燃料来让火箭达到所谓的“逃逸速度”。
While nitrous oxide is a powerful greenhouse gas, when it's burned as rocket fuel, the only byproducts are hot oxygen and nitrogen.
虽然氧化氮是种温室效应气体,但当用作火箭燃料燃烧时,排出的副产品仅仅是热氧气和热氮气。
The cable would connect with some point on Earth located at the equator, and would allow mass to be transferred to orbit using electricity instead of rocket fuel.
该电缆将连接一些位于地球赤道上的点,这将允许群众被运送到到轨道使用电来代替火箭燃料。
The asteroid would need to posses water so that colonists could extract oxygen and hydrogen for rocket fuel.
这颗小行星将需要具备水使殖民者可以提取氢和氧的火箭燃料。
Hydrogen is "just about the worst possible vehicle fuel", says Robert Zubrin, a rocket scientist and the author of "Energy Victory", a book on the post-petroleum future.
氢“只是最坏情况下的汽车燃料选择,”火箭科学家罗伯特·祖布林说,他还是《能源的胜利》的作者,这是一本讲述关于后石油未来的书。
One might think that fusion propulsion requires some exotic fuel to propel a rocket a million-or-so-times more energetically than standard chemical fuels.
有人可能会认为聚变推进需要一些能量高于标准的化学燃料一百多万倍的稀有燃料推进一个火箭。
Both are valuable as rocket fuel, and the oxygen would also give astronauts air to breathe.
两者都是火箭宝贵的燃料,而且氧气还可以供宇航员呼吸。
Having an abundance of water on the moon would make it easier to set up a base camp for astronauts by providing drinking water and an ingredient for rocket fuel.
月球上有丰富的水,可以使为太空人建立基地营比较容易,因可提供饮用水和火箭燃料的一种成分。
Proof that the moon is dynamic and not a dry, desolate world offers hope for a possible future astronaut outpost where water on site could be used for drinking or making rocket fuel.
证明月球是有活力的不是一个干旱荒凉的世界,给予将来建设有饮用水和火箭燃料的航天员哨站很大希望。
To achieve the right mixture of propellant, the patent presents a hybrid rocket motor that would use 3-d stereolithography to essentially print the fuel.
为了准确地得到推进剂混合物,专利方案里展示了一个利用3 - D立体平版印刷术打印出燃料的混合动力火箭发动机。
If it were a race, then United are dragging their owners behind them like a tractor, while City's owners are providing rocket fuel.
如果这是场拉力赛的话,那曼联就像拖拉机,后面还拽着司机,看看曼城吧,人家司机提供的可是火箭燃料。
Here were bugs that created hydrazine, an extremely unstable compound, used as rocket fuel, that is poison to most living things.
这些微生物可以产生一种叫联氨的极不稳定的化合物,联氨通常作为火箭燃料,对多数的生物都是有毒害的。
Israel's closure of its border crossings in reaction to rocket attacks from militants in Gaza has resulted in a crippling shortage of fuel.
以色列为了报复加沙激进分子向以色列发射火箭,关闭了边界上的过境点,这造成加沙的燃油严重短缺。
It thus needs to carry less fuel than a rocket, and no chemical oxidant to burn that fuel, as a rocket would.
这种火箭需要携带的燃料也减少了,并且不需要化学氧化剂。
The airplane, the automobile, and even the rocket are based on this basic idea of deriving huge amounts of propulsive power by burning fuel.
飞机,汽车,甚至火箭的动力都是燃料燃烧产生的巨大推进力。
While Israel has reduced fuel shipments in response to daily Palestinian rocket attacks, it sends in enough fuel and food to Gaza to avoid a humanitarian crisis.
尽管以色列已经减少了燃料供应量,以此来回应巴勒斯坦人每天发动的火箭袭击,但是,以色列仍然在往加沙地带输送足够的燃料和食物,以避免人道危机。
But once a solid-fuel rocket is ignited, it is off like a firework and keeps going until all the fuel is burned up.
但是一旦固体燃料火箭发动机被点燃,它将象二踢脚一样发射出去并一直跑,直到全部燃料烧完为止。
Bathed in xenon spotlights, the white spaceship, attached to its twin solid rocket boosters and orange external fuel tank, crept 3.4 miles on the back of an enormous tractor called the Crawler.
沐浴着氙气聚光灯光,白色的飞船,带着一对固体火箭推进器和橙色外挂燃料箱,在称为“爬行者”的巨大拖拉机上缓慢行驶了3.4英里。
If we can go to space with improved hybrid rocket engines on half the fuel used now, that would be a giant step.
如果我能够坐在相当于只使用现今火箭所需一半燃料的改良型火箭上太空的话,那将会又是迈出了很大的一步。
They would be built from shuttle booster rockets, fuel tanks and main engines, as well as moon rocket engines.
新型运载火箭将由飞船助推火箭、燃料箱、主发动机以及月球火箭发动机组成。
And new bank loans continue to provide extra fuel for rocket-powered money supply that sure doesn't need any help.
而新贷更是继续在给火箭速度增长、并不需要外援的货币供应提供燃料。
But in launch position, the orbiter is perched on the side of its 15-story external fuel tank and flanked by two solid rocket boosters.
但在发射点,轨道器一面是15层楼高的外挂燃料箱,两侧是两个固体火箭助推器。
This is why aluminum is used in rocket fuel to give some additional boost.
这就是铝可以用做火箭燃料助燃剂的原因。
If you converted those craters' water into rocket fuel, you'd have enough fuel to launch the equivalent of one space shuttle per day for more than 2000 years.
如果你将这些环形山里的水分转化成火箭燃料,你足以在2000多年的时间里每年发射一架相当于航天飞机的航天器。
Scientists at the Centers for Disease Control and Prevention tested the formula for the presence of perchlorate, a chemical used as the main ingredient in solid rocket fuel.
疾病预防控制中心的科学家专门针对高氯酸盐对配方奶进行了检测。
Derivatives, the investment bank's old rocket-fuel, which supplied 70% of its revenue growth between 2003 and 2006, are maturing, partly because of more regulation.
作为投资银行最原始的动力,在2003年到2006年期间为投资银行贡献了占其总收入增长的70%的衍生品业务,也变得日益成熟了,这其中一部分原因也是因为有了更多的监管。
Derivatives, the investment bank's old rocket-fuel, which supplied 70% of its revenue growth between 2003 and 2006, are maturing, partly because of more regulation.
作为投资银行最原始的动力,在2003年到2006年期间为投资银行贡献了占其总收入增长的70%的衍生品业务,也变得日益成熟了,这其中一部分原因也是因为有了更多的监管。
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