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英语翻译如何理解orientation?比如此句The term KV measuresthe energy barri

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英语翻译
如何理解orientation?比如此句The term KV measures
the energy barrier between two orientations.
原文“Their magnetic properties change drastically
with their size,as the relaxation of the magnetization orientation of each particle is determined by s = s0 eKV/2kT,in
which s is the relaxation time at one orientation,K is the particle’s anisotropy constant,V is the particle volume,k is Boltzmann’s constant,and T is temperature.The term KV measures
the energy barrier between two orientations.As the size
of the particle decreases to a level where KV becomes comparable
to the thermal energy kT,its magnetization starts to
fluctuate from one direction to another.
As a result,at this T the overall magnetic moment of this particle is randomized to zero,and the particle is said to be superparamagnetic.”
不需要翻译全文,只要解释一下orientation
内容主要涉及微小粒子的磁力特性
请不要拿电脑随便翻译的东西来,
英语翻译如何理解orientation?比如此句The term KV measuresthe energy barri
magnetization orientation 磁化方向,相当于direction of magnetization
这段材料说的是磁性粒子的磁性会粒子大小的变化而剧烈变化,当磁性物质小到某一个点时(类似于把磁石加热到居里点温度),材料将变成“顺磁体”(paramagnetic),其磁性很容易随周围的磁场改变而改变.而当磁性颗粒的粒度更小时,即便在常温下,磁体的极性也呈现出随意性,难以保持稳定的磁性能,这种现象就是所谓超顺磁效应(SuperparaMagnetic)
The term KV measures the energy barrier between two orientations.KV的能级代表磁性物质要改变其磁性需突破的能量壁.