“magnetic reconnection”的概念、定义、翻译、参考文献-科学参考

magnetic reconnection

Physics

A process in plasmas in which magnetic energy is converted into thermal energy and kinetic energy of the particles that make up the plasma. It is associated with a change in the topology of the magnetic field lines. Magnetic reconnection in the magnetosphere of the earth is a mechanism that can give rise to aurora. It has also been suggested that magnetic reconnection gives rise to dramatic solar activity, with large amounts of matter being ejected from the sun. In addition, magnetic reconnection is one of the difficulties that arise in containing nuclear fusion in a Tokamak. It is a considerable challenge to magnetohydrodynamics to give a quantitative theory of magnetic reconnection that explains why the process occurs as rapidly as it does.

Astronomy

A physical process in which a highly stretched or twisted magnetic field can rapidly relax to a less-stressed configuration, thereby releasing stored energy. The process is somewhat analogous to cutting a stretched or twisted rubber band. The concept was introduced to explain solar flares, but is now understood as a more general process that couples magnetic fields and plasmas. Magnetic reconnection can also change how magnetic fields are connected; for example, magnetic reconnection between the Earth’s and the interplanetary magnetic fields creates magnetic field lines that link the Earth to interplanetary space and ultimately the Sun.

单词	magnetic reconnection
释义	magnetic reconnection Physics A process in plasmas in which magnetic energy is converted into thermal energy and kinetic energy of the particles that make up the plasma. It is associated with a change in the topology of the magnetic field lines. Magnetic reconnection in the magnetosphere of the earth is a mechanism that can give rise to aurora. It has also been suggested that magnetic reconnection gives rise to dramatic solar activity, with large amounts of matter being ejected from the sun. In addition, magnetic reconnection is one of the difficulties that arise in containing nuclear fusion in a Tokamak. It is a considerable challenge to magnetohydrodynamics to give a quantitative theory of magnetic reconnection that explains why the process occurs as rapidly as it does. Astronomy A physical process in which a highly stretched or twisted magnetic field can rapidly relax to a less-stressed configuration, thereby releasing stored energy. The process is somewhat analogous to cutting a stretched or twisted rubber band. The concept was introduced to explain solar flares, but is now understood as a more general process that couples magnetic fields and plasmas. Magnetic reconnection can also change how magnetic fields are connected; for example, magnetic reconnection between the Earth’s and the interplanetary magnetic fields creates magnetic field lines that link the Earth to interplanetary space and ultimately the Sun.
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