| 词汇 | example_english_convection-zone |
| 释义 | convection zonecollocation in Englishmeanings of convectionand zoneThese words are often used together. Click on the links below to explore the meanings. Or, see other collocations with convection. convection noun[U] uk /kənˈvek.ʃən/ us /kənˈvek.ʃən/ the flow of heat through a gas or ... See more at convection zone noun uk /zəʊn/ us /zoʊn/ an area, especially one that is different from the areas around it because it has different characteristics or is used for ... See more at zone Examples of convection zoneThese 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. It is most likely that the sense of the twist is associated with the solar dynamo and physical conditions in the convectionzone. Solar pressure waves are believed to be generated by the turbulence in the convectionzone near the surface of the sun. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This may be caused by the disappearance of a helium convectionzone near the surface. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Thus, if the convectionzone of a main sequence star carries lithium to the core region, the abundance of lithium in the star can decrease. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This combination of circumstances produces an outer convectionzone, the top of which is visible in the sun as solar granulation. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The surface convectionzone extends downward to about 43.1% of the star's radius, but only contains 4.8% of the star's mass. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. From 0.3 to 1.2 solar masses, the region around the stellar core is a radiation zone, separated from the overlying convectionzone by the tachocline. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. That is, most if not all of the star forms an extended convectionzone. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Consequently, there is a high temperature gradient in the core region, which results in a convectionzone for more efficient energy transport. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Above that are the outer layers that form a convectionzone where the gas material transports energy primarily through physical displacement of the gas. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These form a visible component of magnetic flux tubes that are formed within a star's convectionzone. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The lack of a deep convectionzone would mean that the outer layers would retain higher abundance ratios of these heavy elements. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is believed that this convectionzone creates the magnetic activity that generates sun spots. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Therefore, the core region forms a convectionzone that uniformly mixes the hydrogen fuel with the helium product. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The region of the star in which this happens is the convectionzone. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The core convectionzone of these stars is overlaid by a radiation zone that is in thermal equilibrium and undergoes little or no mixing. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. As a result, the core region becomes a convectionzone, which stirs the hydrogen burning region and keeps it well mixed with the surrounding proton-rich region. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Those layers where convection is more effective than radiative diffusion at transporting energy, thereby creating a lower temperature gradient, will become convection zones. 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. Want to learn more? Go to the definition of convection Go to the definition of zone See other collocations with convection |
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