Solid-fuel rockets, in which the fuel and oxidiser are pre-mixed into a stable, solid propellant and then packed inside the case of the rocket, are simpler, lighter and relatively safer.
固体燃料火箭发动机的构造更简单、分量更轻，而且相对更安全。 在固体燃料火箭发动机里，燃料和氧化剂被预先混合成稳定的液态推进剂，然后被塞满火箭发动机的燃料箱里。
According to the trait of rocket propellant a kind of protective gloves made of composite fluorine rubber is developed which can be used to protect the skin of red fuming nitric acid worker.
针对火箭推进剂作业的特点，研制了一种以复合氟橡胶为主体材料的防护手套，可用于红烟硝酸作业人员的皮肤防护。
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。
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。
It destroyed an errant spy satellite that still had a full load of a toxic propellant called hydrazine, and was in danger of spilling it over an inhabited area when it re-entered the atmosphere.
其上仍然含有大量的被称作肼的有毒推进燃料。并且这颗卫星如果重新进入大气层，将有可能将肼扩散到居民区。
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。
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。
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。
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。
Whereas chemical rockets waste too much propellant to reach a net change in spacecraft velocity, electric thrusters can do exactly the same mission using just a small fraction of the propellant.
鉴于化学燃料火箭浪费太多的推进剂难以实现飞船速度的静变化，电力推进器仅仅使用一小点推进剂就可以做同样的任务。
Russian sources said that much more experimental work and funding would be required to prove that solid propellant could be safely used for a manned landing.
俄罗斯的消息人士称，这将需要更多的试验工作以及资金来证明固体推进剂可以被安全地用于载人着陆。
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。
The successful deployment and operation of the Japanese IKAROS and NASA's NanoSail-D solar sails have demonstrated a key method for getting around in space, without having to use any propellant.
日本的伊卡洛斯飞船和NASA的纳米帆-D太阳帆的成功发射和展开，已经展示了一个不用任何发动机就可以在太空中徘徊的关键方法。
Some satellites come equipped with a rocket engine and propellant tank so controllers can aim their descent into an ocean instead of a neighborhood, but not all.
而有些卫星则装配了火箭发动机和推进剂贮箱，这样可以控制它们的坠落路线，将其引导坠落到海洋之中，而不是坠落到居民区里。
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。
“Eventually, you’ll run out of propellant, but that is the benefit of electric propulsion because it accelerates so fast that you don’t need a lot of it,” he said.
最终，你将用尽推进剂，但是那是电力推进的好处，因为它如此迅速的加速以至于你不需要很多。
“Eventually, you’ll run out of propellant, but that is the benefit of electric propulsion because it accelerates so fast that you don’t need a lot of it, ” he said.
最终，你将用尽推进剂，但是那是电力推进的好处，因为它如此迅速的加速以至于你不需要很多。
The system runs on a green hydrogen peroxide propellant that leaves behind only water and oxygen, a solution not too far from the hydrogen peroxide in the common medicine cabinet.
系统使用只会产生水和氧气的过氧化氢环保推进剂，类似家庭常备医药箱里的过氧化氢溶液。
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。
Icarus has not made a final decision on the type of fuel to be used for its fusion engine, but it is almost certain it would require a substantial amount of propellant.
伊卡洛斯飞船还没有最终确定它的核聚变燃料类型，但毫无疑问也需要携带大量的燃料。
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。
After the mandrel is melted, a thin layer of alloy remains on the propellant surface.
此心轴溶化之后，在推进剂表面上留有一薄层的合金。
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。
Upon vehicle impact, a pyrotechnic propellant charge is ignited electrically.
车辆发生碰撞时，电子点燃焰火式推进剂填料。
Input is simply a list of propellant ingredients, as well as chamber pressure and nozzle exit pressure.
投入，简直是名单推进剂成分，以及商会的压力和喷嘴出口的压力。
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。
The propellant is very hygroscopic (absorbs moisture) and as such is sealed in a plastic bag and stored in a freezer.
推进剂是非常吸湿性（吸收水分） ，正因如此，是密封在一个胶袋，并储存在冰箱。
The propellant is very hygroscopic and as such is sealed in a plastic bag and stored in a freezer.
推进剂是非常吸湿性，正因如此，是密封在一个胶袋，并储存在冰箱。
The propellant is very hygroscopic and as such is sealed in a plastic bag and stored in a freezer.
推进剂是非常吸湿性，正因如此，是密封在一个胶袋，并储存在冰箱。
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