| 单词 | rocket propellant |
| 例句 | When rocket propellant burned, it first produced a river of gas that flowed into the convergent section of the nozzle. October Sky 1999-04-01T00:00:00Z "It's hard to do because rocket propellant, especially the oxidiser, is very corrosive," said Jeffrey Lewis, a missile researcher at the James Martin Center for Nonproliferation Studies. Exclusive: North Korean hackers breached top Russian missile maker 2023-08-07T04:00:00Z In February, a U.S. official told The New York Times that the American government believed that rocket propellant and munitions may have been loaded onto the ship, which is under U.S. sanctions. The U.S. ambassador to South Africa accused the country of providing weapons to Russia. 2023-05-11T04:00:00Z A U.S. official in South Africa said the American government believed that munitions and rocket propellant that Russia could use in the war might have been loaded onto the Russian tanker. South Africa Allowed Russian Plane Under U.S. Sanctions to Land at Base 2023-05-04T04:00:00Z Water is not only vital for human life, but its component parts — hydrogen and oxygen — can be used as rocket propellant. NASA names crew for first human moon mission since Apollo 2023-04-03T04:00:00Z Water is not only key to sustaining human life, but its component parts — hydrogen and oxygen — can be used as rocket propellant, making the moon a gas station in space. The moon beckons once again, and this time NASA wants to stay The oxygen could provide breathable air; oxygen and hydrogen could also be used as rocket propellant. Why NASA Is Going Back to the Moon 2022-08-28T04:00:00Z If the Moon holds enough water, it could be used for agriculture and life support, and split into hydrogen and oxygen for rocket propellant. Stowaways on NASA’s massive Moon rocket promise big science in small packages 2022-08-15T04:00:00Z Virgin Orbit initially postponed the mission on Thursday after finding that its rocket propellant temperature was “slightly out of bounds.” Virgin Orbit successfully launches satellites during first night mission 2022-07-02T04:00:00Z Small satellite launcher Virgin Orbit postponed its first night launch on Wednesday after finding that the temperature of its rocket propellant was “slightly out of bounds.” Virgin Orbit scrubs first night launch due to propellant temperature being "out of bounds" 2022-06-30T04:00:00Z Israel said its warplanes struck at least two targets in Gaza in the course of the exchange, including a tunnel it said contained chemicals used to produce rocket propellant. Israel strikes sites in Gaza after rocket attacks, as tensions rise 2022-04-21T04:00:00Z While the crew splashed down safely, a problem with the Apollo spacecraft during reentry caused fumes from rocket propellant to fill the capsule, causing breathing and eye problems for the astronauts. NASA Astronauts in SpaceX Capsule Make 1st Water Landing Since 1975 2020-08-02T04:00:00Z One of the crucial supplies that astronauts will need is oxygen, for breathing and as a rocket propellant. NASA Launches Perseverance Rover, Capping Summer of Missions to Mars 2020-07-30T04:00:00Z An instrument the size of a car battery will covert atmospheric carbon dioxide into oxygen, an essential ingredient for rocket propellant and breathing systems. NASA’s next Mars rover is brawniest and brainiest one yet 2020-07-27T04:00:00Z An instrument the size of a car battery will covert atmospheric carbon dioxide into oxygen, an essential ingredient for rocket propellant and breathing systems. NASA’s next Mars rover is brawniest and brainiest one yet 2020-07-27T04:00:00Z At one minute before launch, the command flight computer will begin its final prelaunch checks and the rocket propellant tanks will pressurize. Dragon capsule achieves orbit, heads towards International Space Station 2020-05-30T04:00:00Z Mr. Musk on Saturday discussed his desire to manufacture rocket propellant on site, instead of trucking it in. SpaceX Unveils Silvery Vision to Mars: ‘It’s Basically an I.C.B.M. That Lands’ 2019-09-29T04:00:00Z Two experts said in separate interviews with Reuters that a liquid rocket propellant explosion would not release radiation. U.S.-based experts suspect Russia blast involved nuclear-powered... 2019-08-09T04:00:00Z Extracted from frosty craters, the ice could be used for manufacturing rocket propellant, fuel cells and radiation shielding—not to mention for producing potable water. Science and Sustainability May Clash on the Moon 2019-07-10T04:00:00Z Its elements, hydrogen and oxygen, can be used as rocket propellant, which is why many refer to water as “the oil of the solar system.” NASA wants to get to the moon ‘as fast as possible.’ But countries like China and India are racing there, too. 2019-02-14T05:00:00Z By combining solar energy with lunar water, we could produce rocket propellant for the LEV to use to fly back to Earth and to travel around the moon. Opinion | We have the technology to build a colony on the moon. Let’s do it. 2018-12-10T05:00:00Z Normally, rocket propellant is created in huge industrial mixers, which work the same way the ones in kitchens do, with rotating blades. This puking robot has a purpose: making rocket fuel safely 2018-03-30T04:00:00Z That accident led to a large spill of heptyl, a highly toxic rocket propellant, but there were no reports of casualties. Kazakhstan halts Russian missile tests on its land after rocket crash 2014-03-28T08:41:44Z Students were tasked with preparing chemicals for the rocket propellant Everything for the project had to be built from scratch. Lebanon’s forgotten space programme 2013-11-14T00:05:16Z Determined to keep working after returning soldiers claimed women's jobs, she applied to North American Aviation, where she invented the rocket propellant hydyne. Recommended: Rocket Girl 2013-07-12T18:45:00.577Z The accident led to a large spill of heptyl, a highly toxic rocket propellant, but there were no reports of casualties or of any immediate threat to nearby settlements. Russia loses $200 million satellites as launch ends in flames 2013-07-02T15:01:15Z Today, a fully-outfitted sounding rocket, with solid rocket propellant motors and a science payload, measures about 1.5 feet in diameter and some 55 feet long. Sounding Rockets Still Astronomy's Unsung Workhorses 2013-06-30T20:38:00Z Such acceleration, without using a single drop of rocket propellant seemed too good to be true, and Minovitch's critics were quick to try to discredit him. The maths that made Voyager possible 2012-10-23T00:23:26Z This was developed by the American navy as a rocket propellant, a substance which involves the sudden release of energy by rapid oxidisation, in effect a controlled explosion. Explosives: A bigger bang 2012-09-13T15:03:53Z More specifically, the failure happened because of the destruction of the "O ring" seals intended to prevent hot gases leaking through the joint while the rocket propellant was burnt during flight. Challenger remembered 2011-01-28T11:18:37Z Perchlorate is used to manufacture rocket propellant, fireworks, flares and explosives. Perchlorate not tied to pregnancy thyroid problems 2010-05-13T19:44:00Z Each variety of rocket propellant delivers its own blend of ozone-depleting substances: Solid propellants, for example, are more damaging than liquid ones, though exactly how much more damaging is unclear. 2009-11-24T05:00:00Z The desert was alive with sound now, with the roaring torch of rocket propellant and the scream of sirens. The Scarlet Lake Mystery |
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