Sentences with word «hydrazine»

Hydrazine is a chemical compound made up of hydrogen and nitrogen. It is used as a fuel for rockets and also as a component in certain medications and pesticides. Full definition
Controllers used hydrazine fuel in the thrusters to keep SOHO pointed in the right direction, but they were using quite a bit of it — 15 pounds (7 kilograms) a week, on average.
There is evidence that these tanks susvive reentry — Columbia's hydrazine tanks did.
Kepler was launched with 3 gallons (12 kilograms) of hydrazine in its fuel tank.
It may involve using hydrazine sulfate, Methyl - Sulphonal - Methane (which helps flush out the lactic acid), D - Ribose (to get the energy to the non-cancerous cells), Vitamin C (ditto), etc. etc..
Martians are not going to get their water by importing hydrazine from Earth and burning it with precious cabin oxygen, they are going to bake it out of the soil.
The synthesis of J147 has been carried out using simple chemistry as described in our previous paper by condensation of 3 - methoxybenzaldehyde and (2, 4 - dimethylphenyl) hydrazine hydrochloride in EtOH at room temperature, followed by acetylation using trifluoroacetic anhydride and triethylamine in CH2Cl2 gave J147 (Scheme 1).
Up until this final mission phase, Dawn will have used just the small thruster jets, which use a fuel called hydrazine, to control its orientation and pointing.
According to the article that made me raise the question cooking reduces the amount of phenyl hydrazine to about a third and thus consumption should still be limited.
Sixteen hydrazine propellant thrusters are used to make course corrections and point the craft in the right direction.
Thermolysis of the applied tosyl hydrazones (easily prepared by condensation of the corresponding aldehydes with tosyl hydrazine) leads to in situ formation of the corresponding diazo compounds.
A greener fuel «less toxic than caffeine» could replace NASA's dangerous hydrazine rocket propellant
They cranked them up even more — to 200 microns per second (equivalent to 100 of the nanomachine's body lengths)-- by also adding hydrazine, an ammonia - derived chemical compound that accelerates hydrogen peroxide oxidation.
Typical spacecraft propulsion systems utilize fuels that are intrinsically hazardous, like hydrazine, or compressed gasses.
From the beginning, New Horizons was designed to be able to explore additional objects in the Kuiper Belt, carrying extra hydrazine fuel for that mission.
Making water Matt Damon's character took hydrazine from the rocket fuel and dissociated it into nitrogen and hydrogen, which you can do, and he burned the hydrogen with oxygen to make water.
At this lowest orbit, using two of the reaction wheels to help with pointing will provide the biggest hydrazine savings.
A mixture of 3 - methoxybenzaldehyde (50 g, 367.64 mmol) and (2, 4 - dimethylphenyl) hydrazine hydrochloride (63.23 g, 367.64 mmol) in EtOH (50 mL) was stirred at room temperature for 1 h, the obtained solid was filtered off, washed with ethanol and dried under vacuum to afford hydrazone hydrochloride 1 (95.94 g) in 90 % yield as a light brown solid.
Mushrooms contain potentially cancer - causing compounds called hydrazines, which are inactivated by heat.
The video regards agaratine not phenyl hydrazine, however at least the conclusion is that mushrooms should be eaten cooked.
Among the concerns were the potential for leaks of hydrazine, a toxic fuel, and the potential for the thrusters to fire inadvertently.
Steve Volz, NASA's CloudSat and CALIPSO programme executive, says CALIPSO did not experience any hydrazine leaks as it was being prepared for launch.
They could be clouds containing ammonia and hydrazine, a substance used as rocket fuel on Earth.
It was executed by the spacecraft's hydrazine - fueled thrusters at 1:15 pm EST on Wednesday November 4, taking some 20 minutes to complete.
Briefly, protein carbonyls are labeled by adding 2,4 - dinitrophenyl (DNP) hydrazine, which becomes covalently attached as DNP hydrazone and can be detected with the respective DNP antibody.
Now, however, the spacecraft is nearly out of its hydrazine fuel and will end its fantastic life sometime in the next few months.
The Daihatsu FC ShoCase is believed to be the first fuel - cell vehicle to employ the auto maker's hydrazine - hydrate technology, which, according to researchers, has potential to substantially reduce fuel cell costs by virtually eliminating platinum and other precious metals in the electrode catalyst.
* In soil, hydrazines may stick to particles and be changed within a few days to less harmful compounds.
-- What's this jumbled story I hear about beryllium in the hydrazine tanks?
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