The propellant came from the top.
推动力来自最上面。
This saves valuable chemical propellant and extends mission lifetime.
这样既可以节省珍贵的化学燃料，又可以延长航天器的寿命。
Without those propellant burns, the station would eventually drop from orbit.
没有这些推进器的点燃，空间站最终会从轨道降落。
This should not be detrimental in any way to the performance of the propellant.
这是不应该，不利于以任何方式表现的推进剂。
At first, I was skeptical of the idea of ineffective ignition of the propellant.
在第一，我是持怀疑态度的想法无效点火的推进剂。
I will study regularly to learn more about the nature of my propellant and motor work.
我会定期研究，以了解更多关于的性质，我的推进剂和发动机的工作。
Two minutes later, after consuming 1.4 million pounds of solid propellant, the rocket burned out.
经过两分钟，火箭烧尽140万磅固体推进剂后，最终熄灭了。
A fluorocarbon with chlorine; formerly used as a refrigerant and as a propellant in aerosol cans.
一种含氯的碳氟化合物，以前用作制冷剂和喷雾剂罐的推进物。
Another major test is how to consume the least possible propellant while achieving rendezvous and docking.
如何消耗最少的推进剂完成交会对接，也是重大考验。
Although other electric propulsion systems exist, they require a pressurized container to store the propellant.
尽管其他电力推进系统存在，他们需要一个高压的容器来贮存推进剂。
The aluminum-ice propellant known as ALICE gets its kick from a chemical reaction between water and aluminum.
这种冰-铝组合燃料叫做ALICE，因水和铝之间的化学反应而产生效应。
Vanderbilt University scientist Michael Goldfarb came up with an alternative power source: rocket propellant.
Vanderbilt大学的科学家Michael Goldfarb带给公众一种可选的能量来源：火箭助推燃料。
Rocket propellant has barely changed in the more than 50 years since the launch of the first artificial satellite Sputnik.
自第一颗人造卫星史泼尼克发射以来，火箭推进剂在超过50年的时间内变化不多。
Accelerating 60 mile per hour consumes a mere 37 ounces of the xenon propellant on board, and that propellant has to last.
每小时60英里的加速只消耗船上氙推进剂37盎司，推进剂还得继续坚持。
But the systems require a lot of propellant, or fuel, and haven't been miniaturized to the scale appropriate for a CubeSat.
但是这些系统都要求许多推进剂或推进燃料，并且没有缩小到立方体卫星合适的大小。
Researchers have tossed around theoretical calculations of using just aluminum and water for rocket propellant in the past.
研究者在过去辗转不安的进行理论计算，仅仅只用铝和水作为火箭燃料。
Quite often the propellant must also be stored in a pressurized container with thick walls and pipes, further limiting the payload size.
通常，推进剂必须也装载在一个厚厚的外壳和管子的高压容器内，这样可以限制装载的尺寸。
My outrage that day became the propellant of my life, driving me straight to the civil rights movement, where I've worked ever since.
那天的愤怒是我整个人生的推动力，直接将我推向了公民权利运动。
In 2007 an explosion during the testing of its propellant killed three employees of Scaled Composites, the company building the spaceship.
2007年推进剂测试时发生爆炸，建造太空船的ScaledComposites公司三名雇员身亡。
To keep people on the ground safe, it's best to deorbit a spacecraft with a strong burn of propellant, to slow it down at the right time.
为确保地面上人的安全，最好的方法是以一个强大的推进器燃烧来使宇宙飞船脱轨，在正确的时间使其慢下来。
Scientists from Leeds University and from Swedish Biomimetics 3000 reported on these propellant abilities in the April issue of Physics World.
科学家从利兹大学和来自瑞典3000个仿生学家在2005年4月发行的物理世界上报告了这些推进剂能力。
The reward for building a successful space sail would be to increase the velocity of a spacecraft indefinitely without the need for propellant.
制造一个成功的空间帆带来的好处是可以在无需推进剂的情况下加速航天器。
It will burn a mixture of solid propellant (HTPB, or hydroxyl-terminated polybutadiene) and liquid oxidiser (high-test peroxide, HTP) for 20 seconds.
它将点燃固体推进燃料(HTPB，或称羟基封端聚丁二烯)和液体氧化剂(高挥发性过氧化物，HTP)的混合物持续20秒。
To counteract its orbital drag, mission controllers must use propellant in attached spacecraft to periodically loft the station to a higher orbit.
为了抵消其轨道牵引力，任务控制中心必须使用f飞船自带的推进器定期将其推进到一个更高的轨道。
Mission managers did extensive studies to make sure thespacecraft could fly safely through the plumes and not use an excessiveamount of propellant.
本任务的管理者作了广泛的研究来确保太空船可以安全飞过羽毛状喷发，并且不动用额外的推进器。
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。
Neil McClelland, a spokesman for Kleinmann in Britain, said the signs so far were that the culprit was the anti-corrosion liquid inside the propellant can.
克莱恩曼公司在英国的发言人NeilMcClelland说，到目前为止已有迹象表明，气溶胶推进剂罐内的防腐液是问题根源所在。
The company's decision to rely exclusively on solid-propellant engines for landing of a capsule with six cosmonauts onboard attracted particular criticism.
这家公司为了搭载有6名宇航员的航天舱的着陆而单独依靠固体推进剂发动机的决定，引发了严厉的批评。
The company's decision to rely exclusively on solid-propellant engines for landing of a capsule with six cosmonauts onboard attracted particular criticism.
这家公司为了搭载有6名宇航员的航天舱的着陆而单独依靠固体推进剂发动机的决定，引发了严厉的批评。
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