电离密度是天文学专有名词。来自中国天文学名词审定委员会审定发布的天文学专有名词中文译名。
体电离密度 volume ionization density
体积电离密度 volume ionization density
电离辐射密度计 Density meters utilizing ionizing radiation ; ionizing radiation density meter ; [核] density meter of ionizing radiation
利用电离辐射的密度计 Density gauges utilizing ionizing radiation
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日冕的电离气体（又叫等离子体）不仅非常炙热，而且异常稀薄，其密度还不到组成太阳主体的氢气密度的十亿分之一。
As well as being very hot, the ionised gas of the corona (called plasma) has a superthin consistency. It is less than a billionth of the density of the hydrogen that makes up the main ball of the Sun.
最重要的一点是在电离层的电子和其他带电粒子的密度是波动的。
One of the most important of these is a fluctuation in the density of electrons and other electrically-charged particles in the ionosphere.
热辐射密度以核爆点距离平方倒数的速度衰减，爆炸、冲击波、致电离辐射效应的衰减速度则更快。
The intensity of thermal radiation decreases only as the inverse square of the distance from a nuclear detonation, while blast, shock, and prompt ionizing radiation effects decrease more rapidly.
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