| 单词 | antimatter |
| 释义 | antimatter noun[U] uk/ˈæn.tiˌmæt.ər/us/ˈæn.t̬iˌmæt̬.ɚ/matterthat consists ofparticlesthat have theoppositeelectricalcharacteristicsof theparticlesinregularmatter 反物质Physics: atoms, molecules & sub-atomic particles
antimatter| American Dictionaryantimatter noun[U] us/ˈænt·iˌmæt̬·ər,ˈæn·tɑɪ-/physics matterthat consists ofparticles(=smallpartsofatoms)that have theoppositeelectricalcharacteristicsof theparticlesinregularmatter Examplesofantimatterantimatter Consequently,antimatterrequirements are much lower than those of pure-antimattersystems. From theCambridge English Corpus However, there are several technical hurdles to be overcome before anantimatterrocket can be built. From theCambridge English Corpus All of those missions could be performed by fusion orantimatterrockets with a mass ratio of 5:1 or less. From theCambridge English Corpus The principle is simple: an equal mixture of matter andantimatterprovides the highest energy density of any known propellant. From theCambridge English Corpus Even with the improved antiproton production and storage capacities expected soon, this amount ofantimatteris beyond our reach. From theCambridge English Corpus The first is thatantimatterdoes not exist in significant amounts in nature, at least, not anywhere near this solar system. From theCambridge English Corpus The main mechanism for heating the liquid droplet isantimatter-induced fission fragments which have a range of 45 mm in the droplet. From theCambridge English Corpus I shall argue that the acceleration is a consequence of the excess of matter overantimatterin the universe. From theCambridge English Corpus For missions within the solar system and into near interstellar space,antimatterrequirements for the catalyzed concepts are many orders of magnitude lower than their pure antimatter counterparts. From theCambridge English Corpus Antimatterannihilation requiresantimatter, which is hard to come by in this matter filled world. From theCambridge English Corpus Appropriate vessel designs will be presented for fusion as well as forantimatterpropulsion. From theCambridge English Corpus Until we get nuclear power andantimatter, we should be conserving our resources. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 Iridium is used in particle physics for the production of antiprotons, a form ofantimatter. From Wikipedia  This example is from Wikipedia and may be reused under a CC BY-SA license.If matter andantimatterresponded oppositely to a gravitational field, then it would take no energy to change the height of a particle-antiparticle pair. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Direct experiments on neutral antihydrogen have not detected any difference between the gravitational interaction ofantimatter, compared to normal matter. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.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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