| 词汇 | example_english_propellant |
| 释义 | Examples of propellantThese examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. Chlorofluorocarbons are used for air conditioning/refrigeration equipment, aerosol propellants, and cleaning purposes (solvents) and are present in manufactured items such as insulation material. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 Propellants, explosives, fuses, all sorts of minor equipment, cartridge cases and all the rest, have to be produced in enormous quantities in war time. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 There are problems also with ammunition procurement and strategic capacity support for explosives and propellants. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 If no satisfactory arrangements can he reached, the arrangement on explosives and propellants will continue on a slightly extended and improved basis. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 We are appraising available information on the effects of chlorofluorcarbons, which are the main propellants used in areosols. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 The reserve capacity is for explosives, propellants and chemicals. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 They are widely used as propellants in aerosol cans, in the manufacture of foam plastics, in refrigeration, air-conditioning and as solvents. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 We are appraising available information on the effects of chlorofluorcarbons, which are the main propellants used in aerosols, and intend to publish a report on the matter. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 Why not set up a joint fund to diversify the factory's products and make civilian explosives and other propellants that could be sold to other countries? From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 In the case of propellants we do not want detonation, but rapid burning to produce a controlled amount of pressure on the base of the projectile. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 I grant that there are now difficulties with substitutes for the other uses, but there are not for the production of substitutes for propellants in aerosol cans. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 In answer to my noble friend's second question, they are used for such items as refrigeration, foam-made substances of various kinds, aerosol propellants, and for solvents in electronics. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 We have more recently had major advances in polymers, adhesives, fibre reinforced materials, transport of fuel and liquid cargoes, lasers; minicomputers, telecommunications techniques and high energy propellants. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 The present paper views it as a propellant of subnational autonomous policymaking under a certain condition. Cryogenic propellants (liquid oxygen oxidizer, and liquid hydrogen fuel) need to be continuously topped off (replace boil-off) as scheduled liftoff approaches. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Longer barrels allow more of the propellant's energy to be given to the projectile, yielding greater range. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. One is a rocket engine which mixes three separate streams of propellants. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Chlorofluorocarbons were used almost universally as refrigerants and propellants due to their relatively low toxicity and high heat of vaporization. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. They are used as flame retardants, fire extinguishants, refrigerants, propellants, solvents, and pharmaceuticals. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Hybrid rocket engines use a combination of solid and liquid or gaseous propellants. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Uses include refrigerants, blowing agents, propellants in medicinal applications, and degreasing solvents. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The nozzle of the rocket converts the thermal energy of the propellants into directed kinetic energy. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The primary performance advantage of liquid propellants is due to the oxidizer. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The impulse delivered by the motor to the rocket vehicle per weight of fuel consumed is often reported as the rocket propellant's "specific impulse". From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Low molecular weight gases (e.g. hydrogen, helium, ammonia) are preferred propellants for this kind of system. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The propellants were injected uniformly to ensure satisfactory combustion. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. To increase muzzle velocity even further electrothermal-chemical ignition can work with liquid propellants, although this would require further research into plasma ignition. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Halomethanes are both naturally occurring, especially in marine environments, and man-made, most notably as refrigerants, solvents, propellants, and fumigants. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. They were originally designed to use the old gunpowder propellants. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In this configuration there are often two pumps working in opposite cycles to ensure a constant flow of propellants to the engine. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A range of smokeless powders that contain both nitrocellulose and nitroglycerin, known as "double-base" propellants, were also developed. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Propellants requiring continuous refrigeration, and which cause their rockets to grow ever-thicker blankets of ice, are not practical. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. However, safety or cost considerations may demand that non-energetic plasticizers be used, even in rocket propellants. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The project answered questions about the diffusion of liquid propellants in the event that a rocket was destroyed at high altitude. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. F could boost the energy of solid propellants. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In-situ resource utilization of lunar soil for fuel could save the costs of launching a rocket as 90% of the rockets weight consists of propellants. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Later the design was refined by removing the surge tank and changing to nonexplosive propellants. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Other propellants of interest include krypton, argon, bismuth, iodine, magnesium, and zinc. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Used for air conditioning systems, propellants and solvents, their production was below one-tenth of this peak by the early 2000s, after widespread international prohibition. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The two alkanes are used as propellants in aerosol sprays. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Decoppering agents are frequently added to smokeless powder propellants. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Propellants and many pyrotechnic items fall into this category. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Chlorate propellants must be used only in equipment designed for them; failure to follow this precaution is a common source of accidents. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Hall thrusters operate on a variety of propellants, the most common being xenon. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Propellants are fed via a single shaft, dual inducer-impeller turbo-pump. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In solid propellants, the oxidizer and fuel are mixed in a factory in carefully controlled conditions. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The primary remaining difficulty with hybrids is with mixing the propellants during the combustion process. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The propellants were pressure-fed to the engine by 39.2 ft3 of gaseous helium at 3600 psi, carried in two 40in m diameter spherical tanks. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Nitronium perchlorate was investigated as an oxidizer in solid rocket propellants. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The main advantage over using active stabilization with propellants, gyroscopes or reaction wheels is the low use of power and resources. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Dimethyl phthalate is an ectoparasiticide and has many other uses, including in solid rocket propellants, plastics, and insect repellents. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Surfactants are used to reduce the melting viscosity of sugar propellants. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. When these propellants are burned, some of this kinetic energy is transferred to the rocket along with the chemical energy released by burning. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Propellants designed for a minimum heat transfer pressure may fail to sustain the "flame zone" at lower pressures. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Other possibilities for space manufacturing include propellants for spacecraft, some repair parts for spacecraft and space habitats, and, of course, larger factories. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Used to harden the polymer component of composite rocket propellants. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Another example is the packaging of ammunition and propellants. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In all rockets, the exhaust is formed entirely from propellants carried within the rocket before use. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Metal oxides have been found to increase the burn rate of sugar propellants. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Major uses of potassium nitrate are in fertilizers, rocket propellants and fireworks. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The propellants are used in the reaction control system that steers the shuttle in space. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Even cold-flow tests, in which the propellants are not ignited, can leave residues. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In addition to technical solutions to the challenge of excessive boil-off of cryogenic rocket propellants, system-level solutions have been proposed. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The nitroguanidine reduces the propellant's flash and flame temperature without sacrificing chamber pressure. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. With the launch vehicle adapter and 3132 kg of propellants at launch, the spacecraft had a mass of 5600 kg. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Various propellants such as xenon, neon, argon, hydrogen, hydrazine, and lithium have been used, with lithium generally being the best performer. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The predicted weight was 1600kg lb including propellants. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Many industrially important compounds, such as ammonia, nitric acid, organic nitrates (propellants and explosives), and cyanides, contain nitrogen. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Propane and isobutane blends are used as propellants for household cleaners. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Propellants are a low-explosive material that generate large amounts of gas downhole very rapidly. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Hypothetically, if propellants had been stored as pressurized gases, the size and mass of fuel tanks themselves would severely decrease rocket efficiency. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Nitrogen, argon, carbon dioxide and nitrous oxide (laughing gas) are often used as propellants for air chocolate. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The project answered questions about the effect of the diffusion of propellants in the event that a rocket was destroyed at high altitude. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. They are stable nonflammable moderately toxic gases or liquids which have typically been used as refrigerants and as aerosol propellants. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The reentry capsule should only employ environmentally safe propellants during the atmospheric phase of the flight. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Other power sources include steam engines, direct burning of fuels and propellants, or even natural power sources like wind or moving water. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Executor uses kerosene and liquid oxygen as propellants in a gas-generator power cycle. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In 1931, the two began experimenting with various types of rocket propulsion systems, including liquid propellants. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A conventional solid rocket or a conventional solid-fuel rocket is a rocket with a motor that uses solid propellants (fuel/oxidizer). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The valve controlled the flow of propellants through the gas generator injector. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Energetics are explosives, propellants, pyrotechnics, reactive materials, related chemicals and fuels and their application in propulsion systems and ordnance. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Chemical rocket propellants are most commonly used, which undergo exothermic chemical reactions which produce hot gas which is used by a rocket for propulsive purposes. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Hypergolic propellants (or at least hypergolic ignition) were far less prone to hard starts than electric or pyrotechnic ignition. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The spray was applied at a pressure of 2.5 bar, using propane gas as the propellant. The principle is simple: an equal mixture of matter and antimatter provides the highest energy density of any known propellant. We present here a two-phase flow model for flame-spreading and spatial variation in solid propellant ignition and combustion processes. Here a propellant is assumed to be ignited when the surface reaches a prescribed 'ignition temperature'. The model has provisions for treating the plasma jet and its interaction with the propellant bed. Finally, three other additives are proposed as propellants. From Europarl Parallel Corpus - English The predominant substances that deplete the ozone layer are found in aerosol propellants, refrigerators, insulating materials and certain specific solvents and cleaning agents. From Europarl Parallel Corpus - English Recent experimental and theoretical research efforts have focused on the use of plasma to optimize and control solid propellant ignition and combustion processes in an energetic fluid bed. The propellant gas removal system removes most of the propellant gas to minimize the effect of the remaining gas on the heating and trajectory of the targets. They are engaged on the reception, storage and re-issue of explosives, propellants and ammunition components. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 Bulk stocks of explosives, propellants, detonators and certain specialised munitions types were prohibited from disposal at sea. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 About 1,100 personnel are employed at the propellants, explosives and rocket motor establishment. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 We depended upon it for the supply of glycerine for propellants and of margarine for the feeding of the population. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 A feature of the agreement is an undertaking to enter into discussions on a long-term contract for the supply of explosives, propellants and ammunition. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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